diff --git a/assets/thumbnail.jpg b/assets/thumbnail.jpg
index f74149b..e21d64a 100644
Binary files a/assets/thumbnail.jpg and b/assets/thumbnail.jpg differ
diff --git a/assets/thumbnail.png b/assets/thumbnail.png
index 0560598..c23f683 100644
Binary files a/assets/thumbnail.png and b/assets/thumbnail.png differ
diff --git a/assets/thumbnail.xcf b/assets/thumbnail.xcf
index 4a9ac7b..b114bb5 100644
Binary files a/assets/thumbnail.xcf and b/assets/thumbnail.xcf differ
diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 9174e48..0051bba 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -55,9 +55,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "1.0.4"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6748e8def348ed4d14996fa801f4122cd763fff530258cdc03f64b25f89d3a5a"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
 dependencies = [
  "memchr",
 ]
@@ -93,25 +93,73 @@ dependencies = [
 ]
 
 [[package]]
-name = "async-recursion"
-version = "1.0.4"
+name = "anstream"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e97ce7de6cf12de5d7226c73f5ba9811622f4db3a5b91b55c53e987e5f91cba"
+checksum = "6e2e1ebcb11de5c03c67de28a7df593d32191b44939c482e97702baaaa6ab6a5"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2faccea4cc4ab4a667ce676a30e8ec13922a692c99bb8f5b11f1502c72e04220"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "async-recursion"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fd55a5ba1179988837d24ab4c7cc8ed6efdeff578ede0416b4225a5fca35bd0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
 ]
 
 [[package]]
 name = "async-trait"
-version = "0.1.73"
+version = "0.1.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
 ]
 
 [[package]]
@@ -143,15 +191,15 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.3"
+version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "414dcefbc63d77c526a76b3afcf6fbb9b5e2791c19c3aa2297733208750c6e53"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
 [[package]]
 name = "bindgen"
-version = "0.64.0"
+version = "0.66.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4243e6031260db77ede97ad86c27e501d646a27ab57b59a574f725d98ab1fb4"
+checksum = "f2b84e06fc203107bfbad243f4aba2af864eb7db3b1cf46ea0a023b0b433d2a7"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -160,20 +208,24 @@ dependencies = [
  "lazycell",
  "log",
  "peeking_take_while",
+ "prettyplease",
  "proc-macro2",
  "quote",
  "regex",
  "rustc-hash",
  "shlex",
- "syn 1.0.109",
+ "syn",
  "which",
 ]
 
 [[package]]
 name = "bitflags"
-version = "1.3.2"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "block-buffer"
@@ -186,9 +238,9 @@ dependencies = [
 
 [[package]]
 name = "brotli-decompressor"
-version = "2.3.4"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b6561fd3f895a11e8f72af2cb7d22e08366bebc2b6b57f7744c4bda27034744"
+checksum = "4e2e4afe60d7dd600fdd3de8d0f08c2b7ec039712e3b6137ff98b7004e82de4f"
 dependencies = [
  "alloc-no-stdlib",
  "alloc-stdlib",
@@ -196,27 +248,27 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.13.0"
+version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
+checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
 
 [[package]]
 name = "bytecount"
-version = "0.6.3"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c676a478f63e9fa2dd5368a42f28bba0d6c560b775f38583c8bbaa7fcd67c9c"
+checksum = "e1e5f035d16fc623ae5f74981db80a439803888314e3a555fd6f04acd51a3205"
 
 [[package]]
 name = "byteorder"
-version = "1.4.3"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
+checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
 
 [[package]]
 name = "cc"
@@ -244,17 +296,17 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.26"
+version = "0.4.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec837a71355b28f6556dbd569b37b3f363091c0bd4b2e735674521b4c5fd9bc5"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
  "js-sys",
  "num-traits",
- "time 0.1.45",
+ "serde",
  "wasm-bindgen",
- "winapi",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -277,6 +329,46 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "clap"
+version = "4.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+
 [[package]]
 name = "cmake"
 version = "0.1.50"
@@ -287,16 +379,29 @@ dependencies = [
 ]
 
 [[package]]
-name = "core-foundation-sys"
-version = "0.8.4"
+name = "colorchoice"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
+[[package]]
+name = "community_settings_core"
+version = "0.1.0"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.9"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a17b76ff3a4162b0b27f354a0c87015ddad39d35f9c0c36607a3bdd175dde1f1"
+checksum = "ce420fe07aecd3e67c5f910618fe65e94158f6dcc0adf44e00d69ce2bdfe0fd0"
 dependencies = [
  "libc",
 ]
@@ -330,10 +435,19 @@ dependencies = [
 ]
 
 [[package]]
-name = "deranged"
-version = "0.3.8"
+name = "data-encoding"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2696e8a945f658fd14dc3b87242e6b80cd0f36ff04ea560fa39082368847946"
+checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
+
+[[package]]
+name = "deranged"
+version = "0.3.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eb30d70a07a3b04884d2677f06bec33509dc67ca60d92949e5535352d3191dc"
+dependencies = [
+ "powerfmt",
+]
 
 [[package]]
 name = "digest"
@@ -351,6 +465,12 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
+[[package]]
+name = "embedded-io"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d"
+
 [[package]]
 name = "encoding"
 version = "0.2.33"
@@ -432,30 +552,19 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "errno"
-version = "0.2.8"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
 dependencies = [
- "errno-dragonfly",
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "errno-dragonfly"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
-dependencies = [
- "cc",
  "libc",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "flate2"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6c98ee8095e9d1dcbf2fcc6d95acccb90d1c81db1e44725c6a984b1dbdfb010"
+checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -469,18 +578,18 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "form_urlencoded"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a62bc1cf6f830c2ec14a513a9fb124d0a213a629668a4186f329db21fe045652"
+checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
 dependencies = [
  "percent-encoding",
 ]
 
 [[package]]
 name = "futures-channel"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
+checksum = "ff4dd66668b557604244583e3e1e1eada8c5c2e96a6d0d6653ede395b78bbacb"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -488,27 +597,27 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
+checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
 
 [[package]]
 name = "futures-sink"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
+checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
 
 [[package]]
 name = "futures-task"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
+checksum = "efd193069b0ddadc69c46389b740bbccdd97203899b48d09c5f7969591d6bae2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
+checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -530,13 +639,13 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.10"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -551,9 +660,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "glob"
@@ -563,9 +672,9 @@ checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
 [[package]]
 name = "h2"
-version = "0.3.21"
+version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91fc23aa11be92976ef4729127f1a74adf36d8436f7816b185d18df956790833"
+checksum = "4d6250322ef6e60f93f9a2162799302cd6f68f79f6e5d85c8c16f14d1d958178"
 dependencies = [
  "bytes",
  "fnv",
@@ -573,7 +682,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap 1.9.3",
+ "indexmap",
  "slab",
  "tokio",
  "tokio-util",
@@ -582,24 +691,17 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.12.3"
+version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-
-[[package]]
-name = "hashbrown"
-version = "0.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
 
 [[package]]
 name = "headers"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
+checksum = "06683b93020a07e3dbcf5f8c0f6d40080d725bea7936fc01ad345c01b97dc270"
 dependencies = [
- "base64 0.13.1",
- "bitflags",
+ "base64 0.21.5",
  "bytes",
  "headers-core",
  "http",
@@ -618,10 +720,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "hermit-abi"
-version = "0.3.2"
+name = "heck"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
+[[package]]
+name = "hermit-abi"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
 [[package]]
 name = "hex"
@@ -630,10 +738,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
-name = "http"
-version = "0.2.9"
+name = "home"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd6effc99afb63425aff9b05836f029929e345a6148a14b7ecd5ab67af944482"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "http"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8947b1a6fad4393052c7ba1f4cd97bed3e953a95c79c92ad9b051a04611d9fbb"
 dependencies = [
  "bytes",
  "fnv",
@@ -642,9 +759,9 @@ dependencies = [
 
 [[package]]
 name = "http-body"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
+checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
 dependencies = [
  "bytes",
  "http",
@@ -680,7 +797,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2 0.4.9",
+ "socket2 0.4.10",
  "tokio",
  "tower-service",
  "tracing",
@@ -689,16 +806,16 @@ dependencies = [
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.57"
+version = "0.1.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fad5b825842d2b38bd206f3e81d6957625fd7f0a361e345c30e01a0ae2dd613"
+checksum = "8326b86b6cff230b97d0d312a6c40a60726df3332e721f72a1b035f451663b20"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "windows",
+ "windows-core",
 ]
 
 [[package]]
@@ -712,9 +829,9 @@ dependencies = [
 
 [[package]]
 name = "idna"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c"
+checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
 dependencies = [
  "unicode-bidi",
  "unicode-normalization",
@@ -722,35 +839,25 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.9.3"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
-dependencies = [
- "autocfg",
- "hashbrown 0.12.3",
-]
-
-[[package]]
-name = "indexmap"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
 dependencies = [
  "equivalent",
- "hashbrown 0.14.0",
+ "hashbrown",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.9"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
 
 [[package]]
 name = "js-sys"
-version = "0.3.64"
+version = "0.3.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
+checksum = "cee9c64da59eae3b50095c18d3e74f8b73c0b86d2792824ff01bbce68ba229ca"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -769,9 +876,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
 [[package]]
 name = "libloading"
@@ -785,9 +892,9 @@ dependencies = [
 
 [[package]]
 name = "libryzenadj"
-version = "0.12.3"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a805571abbf0729e3641b825b734948ce84ccbb54b9f08afae0b860bb12af971"
+checksum = "c5bccdf07c3234c06c435648a53d8cb369f76d20e03bb8d2f8c24fb2330efc32"
 dependencies = [
  "errno",
  "libryzenadj-sys",
@@ -797,9 +904,9 @@ dependencies = [
 
 [[package]]
 name = "libryzenadj-sys"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b72f39d32e246ce0db7b4dd2430ddb5bb4dfa27681bce696a8746ac88892de1"
+checksum = "b1de3621be974e892e12d4a07a6a2e32b6a05950759b062d94f5b54f78fabc3a"
 dependencies = [
  "bindgen",
  "cmake",
@@ -808,12 +915,17 @@ dependencies = [
 
 [[package]]
 name = "limits_core"
-version = "2.0.1"
+version = "3.0.0"
 dependencies = [
  "serde",
- "serde_json",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
+
 [[package]]
 name = "log"
 version = "0.4.20"
@@ -822,9 +934,9 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
 [[package]]
 name = "memchr"
-version = "2.6.0"
+version = "2.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76fc44e2588d5b436dbc3c6cf62aef290f90dab6235744a93dfe1cc18f451e2c"
+checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
 [[package]]
 name = "mime"
@@ -859,13 +971,13 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.8"
+version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
+checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
 dependencies = [
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "wasi",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -909,9 +1021,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
@@ -928,23 +1040,23 @@ dependencies = [
 
 [[package]]
 name = "num_enum"
-version = "0.5.11"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f646caf906c20226733ed5b1374287eb97e3c2a5c227ce668c1f2ce20ae57c9"
+checksum = "7a015b430d3c108a207fd776d2e2196aaf8b1cf8cf93253e3a097ff3085076a1"
 dependencies = [
  "num_enum_derive",
 ]
 
 [[package]]
 name = "num_enum_derive"
-version = "0.5.11"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcbff9bc912032c62bf65ef1d5aea88983b420f4f839db1e9b0c281a25c9c799"
+checksum = "96667db765a921f7b295ffee8b60472b686a51d4f21c2ee4ffdb94c7013b65a6"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
@@ -964,18 +1076,18 @@ checksum = "7b2b2cbbfd8defa51ff24450a61d73b3ff3e158484ddd274a883e886e6fbaa78"
 
 [[package]]
 name = "object"
-version = "0.32.0"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77ac5bbd07aea88c60a577a1ce218075ffd59208b2d7ca97adf9bfc5aeb21ebe"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "once_cell"
-version = "1.18.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "opaque-debug"
@@ -1002,9 +1114,9 @@ checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 
 [[package]]
 name = "percent-encoding"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pin-project"
@@ -1023,7 +1135,7 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
 ]
 
 [[package]]
@@ -1050,18 +1162,30 @@ dependencies = [
  "universal-hash",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "powertools"
-version = "1.4.0"
+version = "2.0.0"
 dependencies = [
  "async-trait",
+ "chrono",
+ "clap",
+ "community_settings_core",
+ "libc",
  "libryzenadj",
  "limits_core",
  "log",
  "regex",
+ "ron",
  "serde",
  "serde_json",
  "simplelog",
+ "smokepatio",
  "sysfuss",
  "tokio",
  "ureq",
@@ -1074,6 +1198,16 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "prettyplease"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -1086,9 +1220,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.66"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
+checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
 dependencies = [
  "unicode-ident",
 ]
@@ -1134,9 +1268,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.9.4"
+version = "1.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12de2eff854e5fa4b1295edd650e227e9d8fb0c9e90b12e7f36d6a6811791a29"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1146,9 +1280,8 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.3.7"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49530408a136e16e5b486e883fbb6ba058e8e4e8ae6621a77b048b314336e629"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1157,9 +1290,35 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.7.5"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
+[[package]]
+name = "ring"
+version = "0.17.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb0205304757e5d899b9c2e448b867ffd03ae7f988002e47cd24954391394d0b"
+dependencies = [
+ "cc",
+ "getrandom",
+ "libc",
+ "spin",
+ "untrusted",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "ron"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b91f7eff05f748767f183df4320a63d6936e9c6107d97c9e6bdd9784f4289c94"
+dependencies = [
+ "base64 0.21.5",
+ "bitflags",
+ "serde",
+ "serde_derive",
+]
 
 [[package]]
 name = "rustc-demangle"
@@ -1174,19 +1333,54 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
-name = "rustls-pemfile"
-version = "1.0.3"
+name = "rustix"
+version = "0.38.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
+checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
 dependencies = [
- "base64 0.21.3",
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "rustls"
+version = "0.21.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "629648aced5775d558af50b2b4c7b02983a04b312126d45eeead26e7caa498b9"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
+dependencies = [
+ "base64 0.21.5",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.101.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
+dependencies = [
+ "ring",
+ "untrusted",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.15"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
+checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
 
 [[package]]
 name = "scoped-tls"
@@ -1195,30 +1389,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
 
 [[package]]
-name = "serde"
-version = "1.0.188"
+name = "sct"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
+checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "serde"
+version = "1.0.193"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.188"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
+checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.105"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "693151e1ac27563d6dbcec9dee9fbd5da8539b20fa14ad3752b2e6d363ace360"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -1239,9 +1443,9 @@ dependencies = [
 
 [[package]]
 name = "sha1"
-version = "0.10.5"
+version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -1250,9 +1454,9 @@ dependencies = [
 
 [[package]]
 name = "shlex"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
+checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380"
 
 [[package]]
 name = "simplelog"
@@ -1262,7 +1466,7 @@ checksum = "acee08041c5de3d5048c8b3f6f13fafb3026b24ba43c6a695a0c76179b844369"
 dependencies = [
  "log",
  "termcolor",
- "time 0.3.28",
+ "time",
 ]
 
 [[package]]
@@ -1274,11 +1478,19 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "smokepatio"
+version = "0.1.0"
+dependencies = [
+ "embedded-io",
+ "log",
+]
+
 [[package]]
 name = "socket2"
-version = "0.4.9"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64a4a911eed85daf18834cfaa86a79b7d266ff93ff5ba14005426219480ed662"
+checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
 dependencies = [
  "libc",
  "winapi",
@@ -1286,12 +1498,12 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.5.3"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2538b18701741680e0322a2302176d3253a35388e2e62f172f64f4f16605f877"
+checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1300,6 +1512,12 @@ version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "subtle"
 version = "2.4.1"
@@ -1308,20 +1526,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
-[[package]]
-name = "syn"
-version = "2.0.29"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
+checksum = "13fa70a4ee923979ffb522cacce59d34421ebdea5625e1073c4326ef9d2dd42e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1345,45 +1552,35 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.47"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97a802ec30afc17eee47b2855fc72e0c4cd62be9b4efe6591edde0ec5bd68d8f"
+checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.47"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
+checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
 ]
 
 [[package]]
 name = "time"
-version = "0.1.45"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
-]
-
-[[package]]
-name = "time"
-version = "0.3.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17f6bb557fd245c28e6411aa56b6403c689ad95061f50e4be16c274e70a17e48"
+checksum = "c4a34ab300f2dee6e562c10a046fc05e358b29f9bf92277f30c3c8d82275f6f5"
 dependencies = [
  "deranged",
  "itoa",
  "libc",
  "num_threads",
+ "powerfmt",
  "serde",
  "time-core",
  "time-macros",
@@ -1391,15 +1588,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a942f44339478ef67935ab2bbaec2fb0322496cf3cbe84b261e06ac3814c572"
+checksum = "4ad70d68dba9e1f8aceda7aa6711965dfec1cac869f311a51bd08b3a2ccbce20"
 dependencies = [
  "time-core",
 ]
@@ -1421,9 +1618,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.32.0"
+version = "1.35.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17ed6077ed6cd6c74735e21f37eb16dc3935f96878b1fe961074089cc80893f9"
+checksum = "841d45b238a16291a4e1584e61820b8ae57d696cc5015c459c229ccc6990cc1c"
 dependencies = [
  "backtrace",
  "bytes",
@@ -1431,8 +1628,8 @@ dependencies = [
  "mio",
  "num_cpus",
  "pin-project-lite",
- "socket2 0.5.3",
- "windows-sys",
+ "socket2 0.5.5",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1448,9 +1645,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.18.0"
+version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54319c93411147bced34cb5609a80e0a8e44c5999c93903a81cd866630ec0bfd"
+checksum = "212d5dcb2a1ce06d81107c3d0ffa3121fe974b73f068c8282cb1c32328113b6c"
 dependencies = [
  "futures-util",
  "log",
@@ -1460,9 +1657,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.8"
+version = "0.7.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
+checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
 dependencies = [
  "bytes",
  "futures-core",
@@ -1474,17 +1671,17 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.3"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
 
 [[package]]
 name = "toml_edit"
-version = "0.19.14"
+version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8123f27e969974a3dfba720fdb560be359f57b44302d280ba72e76a74480e8a"
+checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap 2.0.0",
+ "indexmap",
  "toml_datetime",
  "winnow",
 ]
@@ -1497,11 +1694,10 @@ checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
 
 [[package]]
 name = "tracing"
-version = "0.1.37"
+version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
+checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
- "cfg-if",
  "log",
  "pin-project-lite",
  "tracing-core",
@@ -1509,28 +1705,28 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.31"
+version = "0.1.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0955b8137a1df6f1a2e9a37d8a6656291ff0297c1a97c24e0d8425fe2312f79a"
+checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
 dependencies = [
  "once_cell",
 ]
 
 [[package]]
 name = "try-lock"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
 [[package]]
 name = "tungstenite"
-version = "0.18.0"
+version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30ee6ab729cd4cf0fd55218530c4522ed30b7b6081752839b68fcec8d0960788"
+checksum = "9e3dac10fd62eaf6617d3a904ae222845979aec67c615d1c842b4002c7666fb9"
 dependencies = [
- "base64 0.13.1",
  "byteorder",
  "bytes",
+ "data-encoding",
  "http",
  "httparse",
  "log",
@@ -1543,9 +1739,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "unicase"
@@ -1558,15 +1754,15 @@ dependencies = [
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
+checksum = "6f2528f27a9eb2b21e69c95319b30bd0efd85d09c379741b0f78ea1d86be2416"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
 [[package]]
 name = "unicode-normalization"
@@ -1588,27 +1784,36 @@ dependencies = [
 ]
 
 [[package]]
-name = "ureq"
-version = "2.7.1"
+name = "untrusted"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b11c96ac7ee530603dcdf68ed1557050f374ce55a5a07193ebf8cbc9f8927e9"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
+[[package]]
+name = "ureq"
+version = "2.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8cdd25c339e200129fe4de81451814e5228c9b771d57378817d6117cc2b3f97"
 dependencies = [
- "base64 0.21.3",
+ "base64 0.21.5",
  "brotli-decompressor",
  "encoding_rs",
  "flate2",
  "log",
  "once_cell",
+ "rustls",
+ "rustls-webpki",
  "serde",
  "serde_json",
  "url",
+ "webpki-roots",
 ]
 
 [[package]]
 name = "url"
-version = "2.4.1"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "143b538f18257fac9cad154828a57c6bf5157e1aa604d4816b5995bf6de87ae5"
+checksum = "31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633"
 dependencies = [
  "form_urlencoded",
  "idna",
@@ -1649,6 +1854,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -1666,9 +1877,9 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba431ef570df1287f7f8b07e376491ad54f84d26ac473489427231e1718e1f69"
+checksum = "c1e92e22e03ff1230c03a1a8ee37d2f89cd489e2e541b7550d6afad96faed169"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -1695,12 +1906,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -1709,9 +1914,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.87"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
+checksum = "0ed0d4f68a3015cc185aff4db9506a015f4b96f95303897bfa23f846db54064e"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -1719,24 +1924,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.87"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
+checksum = "1b56f625e64f3a1084ded111c4d5f477df9f8c92df113852fa5a374dbda78826"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.87"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
+checksum = "0162dbf37223cd2afce98f3d0785506dcb8d266223983e4b5b525859e6e182b2"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1744,32 +1949,39 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.87"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
+checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.87"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
+checksum = "7ab9b36309365056cd639da3134bf87fa8f3d86008abf99e612384a6eecd459f"
+
+[[package]]
+name = "webpki-roots"
+version = "0.25.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14247bb57be4f377dfb94c72830b8ce8fc6beac03cf4bf7b9732eadd414123fc"
 
 [[package]]
 name = "which"
-version = "4.4.0"
+version = "4.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2441c784c52b289a054b7201fc93253e288f094e2f4be9058343127c4226a269"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
 dependencies = [
  "either",
- "libc",
+ "home",
  "once_cell",
+ "rustix",
 ]
 
 [[package]]
@@ -1790,9 +2002,9 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
 dependencies = [
  "winapi",
 ]
@@ -1804,12 +2016,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
-name = "windows"
-version = "0.48.0"
+name = "windows-core"
+version = "0.51.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
+checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -1818,7 +2030,16 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
@@ -1827,13 +2048,28 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.0",
+ "windows_aarch64_msvc 0.52.0",
+ "windows_i686_gnu 0.52.0",
+ "windows_i686_msvc 0.52.0",
+ "windows_x86_64_gnu 0.52.0",
+ "windows_x86_64_gnullvm 0.52.0",
+ "windows_x86_64_msvc 0.52.0",
 ]
 
 [[package]]
@@ -1842,36 +2078,72 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
@@ -1879,10 +2151,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
 [[package]]
-name = "winnow"
-version = "0.5.15"
+name = "windows_x86_64_msvc"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c2e3184b9c4e92ad5167ca73039d0c42476302ab603e2fec4487511f38ccefc"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "winnow"
+version = "0.5.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67b5f0a4e7a27a64c651977932b9dc5667ca7fc31ac44b03ed37a0cf42fdfff"
 dependencies = [
  "memchr",
 ]
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 3b6d7ae..d255bd1 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -1,21 +1,22 @@
 [package]
 name = "powertools"
-version = "1.4.0"
+version = "2.0.0"
 edition = "2021"
 authors = ["NGnius (Graham) <ngniusness@gmail.com>"]
 description = "Backend (superuser) functionality for PowerTools"
 license = "GPL-3.0-only"
-repository = "https://github.com/NGnius/PowerTools"
+repository = "https://git.ngni.us/NG-SD-Plugins/PowerTools"
 keywords = ["utility", "power-management", "root", "decky"]
 readme = "../README.md"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-usdpl-back = { version = "0.10.1", features = ["blocking"] }#, path = "../../usdpl-rs/usdpl-back"}
+usdpl-back = { version = "0.10.1", features = ["blocking", "decky"] }#, path = "../../usdpl-rs/usdpl-back"}
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-sysfuss = { version = "0.2", features = ["derive"] }#, path = "../../sysfs-nav" }
+ron = "0.8"
+sysfuss = { version = "0.2", features = ["derive"] }#,path = "../../sysfs-nav"}
 
 # async
 tokio = { version = "*", features = ["time"] }
@@ -26,11 +27,25 @@ log = "0.4"
 simplelog = "0.12"
 
 # limits & driver functionality
-limits_core = { version = "2", path = "./limits_core" }
+limits_core = { version = "3", path = "./limits_core" }
 regex = "1"
-libryzenadj = { version = "0.12" }
+
+# steam deck libs
+smokepatio = { version = "0.1", features = [ "std" ], path = "../../smokepatio" }
+libc = "0.2"
+
+# online settings
+community_settings_core = { version = "0.1", path = "./community_settings_core" }
+chrono = { version = "0.4", features = [ "serde" ] }
+
+# hardware enablement
+#libryzenadj = { version = "0.14", path = "../../libryzenadj-rs-14" }
+libryzenadj = { version = "0.13" }
+
 # ureq's tls feature does not like musl targets
-ureq = { version = "2", features = ["json", "gzip", "brotli", "charset"], default-features = false, optional = true }
+ureq = { version = "2", features = ["json", "gzip", "brotli", "charset", "tls"], default-features = false, optional = true }
+
+clap = { version = "4.4", features = [ "derive" ] }
 
 [features]
 default = ["online", "decky"]
@@ -38,6 +53,7 @@ decky = ["usdpl-back/decky"]
 crankshaft = ["usdpl-back/crankshaft"]
 encrypt = ["usdpl-back/encrypt"]
 online = ["ureq"]
+experimental = []
 dev_stuff = []
 
 [profile.release]
@@ -45,13 +61,13 @@ debug = false
 strip = true
 lto = true
 codegen-units = 1
+opt-level = 3
 
 [profile.docker]
 inherits = "release"
 debug = false
 strip = true
 lto = "thin"
-codegen-units = 16
-opt-level = 2
+codegen-units = 8
 debug-assertions = false
 overflow-checks = false
diff --git a/backend/build.sh b/backend/build.sh
index 7e408f6..689ae88 100755
--- a/backend/build.sh
+++ b/backend/build.sh
@@ -3,10 +3,11 @@
 #cargo build --release --target x86_64-unknown-linux-musl
 #cargo build --target x86_64-unknown-linux-musl
 #cross build
-cargo build
+cargo build --release
+#cargo build
 
 mkdir -p ../bin
 #cp --preserve=mode ./target/x86_64-unknown-linux-musl/release/powertools ../bin/backend
 #cp --preserve=mode ./target/x86_64-unknown-linux-musl/debug/powertools ../bin/backend
+cp --preserve=mode ./target/release/powertools ../bin/backend
 #cp --preserve=mode ./target/debug/powertools ../bin/backend
-cp --preserve=mode ./target/debug/powertools ../bin/backend
diff --git a/backend/community_settings_core/Cargo.lock b/backend/community_settings_core/Cargo.lock
new file mode 100644
index 0000000..4873981
--- /dev/null
+++ b/backend/community_settings_core/Cargo.lock
@@ -0,0 +1,65 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "community_settings_core"
+version = "0.1.0"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "serde"
+version = "1.0.193"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.193"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44c8b28c477cc3bf0e7966561e3460130e1255f7a1cf71931075f1c5e7a7e269"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
diff --git a/backend/community_settings_core/Cargo.toml b/backend/community_settings_core/Cargo.toml
new file mode 100644
index 0000000..d4f6632
--- /dev/null
+++ b/backend/community_settings_core/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "community_settings_core"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
diff --git a/backend/community_settings_core/src/lib.rs b/backend/community_settings_core/src/lib.rs
new file mode 100644
index 0000000..a3a6d96
--- /dev/null
+++ b/backend/community_settings_core/src/lib.rs
@@ -0,0 +1 @@
+pub mod v1;
diff --git a/backend/community_settings_core/src/v1/metadata.rs b/backend/community_settings_core/src/v1/metadata.rs
new file mode 100644
index 0000000..009baa6
--- /dev/null
+++ b/backend/community_settings_core/src/v1/metadata.rs
@@ -0,0 +1,23 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct Metadata {
+    pub name: String,
+    pub steam_app_id: u32,
+    pub steam_user_id: u64,
+    pub steam_username: String,
+    pub tags: Vec<String>,
+    /// Should always be a valid u128, but some parsers do not support that
+    pub id: String,
+    pub config: super::Config,
+}
+
+impl Metadata {
+    pub fn set_id(&mut self, id: u128) {
+        self.id = id.to_string()
+    }
+
+    pub fn get_id(&self) -> u128 {
+        self.id.parse().expect("metadata id must be u128")
+    }
+}
diff --git a/backend/community_settings_core/src/v1/mod.rs b/backend/community_settings_core/src/v1/mod.rs
new file mode 100644
index 0000000..7519798
--- /dev/null
+++ b/backend/community_settings_core/src/v1/mod.rs
@@ -0,0 +1,5 @@
+mod metadata;
+mod setting;
+
+pub use metadata::Metadata;
+pub use setting::*;
diff --git a/backend/community_settings_core/src/v1/setting.rs b/backend/community_settings_core/src/v1/setting.rs
new file mode 100644
index 0000000..8d2ea03
--- /dev/null
+++ b/backend/community_settings_core/src/v1/setting.rs
@@ -0,0 +1,47 @@
+use serde::{Deserialize, Serialize};
+
+/// Base setting file containing all information for all components
+#[derive(Serialize, Deserialize, Clone)]
+pub struct Config {
+    pub cpus: Vec<Cpu>,
+    pub gpu: Gpu,
+    pub battery: Battery,
+}
+
+#[derive(Serialize, Deserialize, Clone, Copy)]
+pub struct MinMax<T> {
+    pub max: Option<T>,
+    pub min: Option<T>,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct Battery {
+    pub charge_rate: Option<u64>,
+    pub charge_mode: Option<String>,
+    #[serde(default)]
+    pub events: Vec<BatteryEvent>,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct BatteryEvent {
+    pub trigger: String,
+    pub charge_rate: Option<u64>,
+    pub charge_mode: Option<String>,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct Cpu {
+    pub online: bool,
+    pub clock_limits: Option<MinMax<u64>>,
+    pub governor: String,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct Gpu {
+    pub fast_ppt: Option<u64>,
+    pub slow_ppt: Option<u64>,
+    pub tdp: Option<u64>,
+    pub tdp_boost: Option<u64>,
+    pub clock_limits: Option<MinMax<u64>>,
+    pub memory_clock: Option<u64>,
+}
diff --git a/backend/community_settings_srv/Cargo.lock b/backend/community_settings_srv/Cargo.lock
new file mode 100644
index 0000000..1cf7fd3
--- /dev/null
+++ b/backend/community_settings_srv/Cargo.lock
@@ -0,0 +1,1538 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "actix-codec"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "617a8268e3537fe1d8c9ead925fca49ef6400927ee7bc26750e90ecee14ce4b8"
+dependencies = [
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "actix-http"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a92ef85799cba03f76e4f7c10f533e66d87c9a7e7055f3391f09000ad8351bc9"
+dependencies = [
+ "actix-codec",
+ "actix-rt",
+ "actix-service",
+ "actix-utils",
+ "ahash",
+ "base64",
+ "bitflags 2.4.1",
+ "brotli",
+ "bytes",
+ "bytestring",
+ "derive_more",
+ "encoding_rs",
+ "flate2",
+ "futures-core",
+ "h2",
+ "http",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "language-tags",
+ "local-channel",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rand",
+ "sha1",
+ "smallvec",
+ "tokio",
+ "tokio-util",
+ "tracing",
+ "zstd",
+]
+
+[[package]]
+name = "actix-macros"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e01ed3140b2f8d422c68afa1ed2e85d996ea619c988ac834d255db32138655cb"
+dependencies = [
+ "quote",
+ "syn 2.0.41",
+]
+
+[[package]]
+name = "actix-router"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66ff4d247d2b160861fa2866457e85706833527840e4133f8f49aa423a38799"
+dependencies = [
+ "bytestring",
+ "http",
+ "regex",
+ "serde",
+ "tracing",
+]
+
+[[package]]
+name = "actix-rt"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28f32d40287d3f402ae0028a9d54bef51af15c8769492826a69d28f81893151d"
+dependencies = [
+ "futures-core",
+ "tokio",
+]
+
+[[package]]
+name = "actix-server"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3eb13e7eef0423ea6eab0e59f6c72e7cb46d33691ad56a726b3cd07ddec2c2d4"
+dependencies = [
+ "actix-rt",
+ "actix-service",
+ "actix-utils",
+ "futures-core",
+ "futures-util",
+ "mio",
+ "socket2",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "actix-service"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b894941f818cfdc7ccc4b9e60fa7e53b5042a2e8567270f9147d5591893373a"
+dependencies = [
+ "futures-core",
+ "paste",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "actix-utils"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88a1dcdff1466e3c2488e1cb5c36a71822750ad43839937f85d2f4d9f8b705d8"
+dependencies = [
+ "local-waker",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "actix-web"
+version = "4.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e4a5b5e29603ca8c94a77c65cf874718ceb60292c5a5c3e5f4ace041af462b9"
+dependencies = [
+ "actix-codec",
+ "actix-http",
+ "actix-macros",
+ "actix-router",
+ "actix-rt",
+ "actix-server",
+ "actix-service",
+ "actix-utils",
+ "actix-web-codegen",
+ "ahash",
+ "bytes",
+ "bytestring",
+ "cfg-if",
+ "cookie",
+ "derive_more",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "itoa",
+ "language-tags",
+ "log",
+ "mime",
+ "once_cell",
+ "pin-project-lite",
+ "regex",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "smallvec",
+ "socket2",
+ "time",
+ "url",
+]
+
+[[package]]
+name = "actix-web-codegen"
+version = "4.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb1f50ebbb30eca122b188319a4398b3f7bb4a8cdf50ecfb73bfc6a3c3ce54f5"
+dependencies = [
+ "actix-router",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.41",
+]
+
+[[package]]
+name = "addr2line"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "ahash"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91429305e9f0a25f6205c5b8e0d2db09e0708a7a6df0f42212bb56c32c8ac97a"
+dependencies = [
+ "cfg-if",
+ "getrandom",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "alloc-no-stdlib"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
+
+[[package]]
+name = "alloc-stdlib"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94fb8275041c72129eb51b7d0322c29b8387a0386127718b096429201a5d6ece"
+dependencies = [
+ "alloc-no-stdlib",
+]
+
+[[package]]
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+
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+
+[[package]]
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+
+[[package]]
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+
+[[package]]
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+[[package]]
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+
+[[package]]
+name = "windows_x86_64_gnullvm"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+version = "0.48.5"
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+
+[[package]]
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+
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+checksum = "1c4061bedbb353041c12f413700357bec76df2c7e2ca8e4df8bac24c6bf68e3d"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.41",
+]
+
+[[package]]
+name = "zstd"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "6.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee98ffd0b48ee95e6c5168188e44a54550b1564d9d530ee21d5f0eaed1069581"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.9+zstd.1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e16efa8a874a0481a574084d34cc26fdb3b99627480f785888deb6386506656"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
diff --git a/backend/community_settings_srv/Cargo.toml b/backend/community_settings_srv/Cargo.toml
new file mode 100644
index 0000000..37cb95c
--- /dev/null
+++ b/backend/community_settings_srv/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "community_settings_srv"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+community_settings_core = { version = "0.1", path = "../community_settings_core" }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+ron = "0.8"
+
+clap = { version = "4", features = ["derive", "std", "color"], default-features = false }
+tokio = { version = "1", features = ["full"] }
+actix-web = { version = "4.4" }
+mime = { version = "0.3.17" }
+
+# logging
+log = "0.4"
+simplelog = "0.12"
diff --git a/backend/community_settings_srv/README.md b/backend/community_settings_srv/README.md
new file mode 100644
index 0000000..c02999d
--- /dev/null
+++ b/backend/community_settings_srv/README.md
@@ -0,0 +1,7 @@
+# community_settings_srv
+
+Back-end for browsing community-contributed settings files for games.
+
+### Technical
+
+This does not use a database because I'm trying to speedrun the destruction of any semblance of performance for my filesystem. Everything is stored as a file, with symlinks to make it possible to find files multiple ways.
diff --git a/backend/community_settings_srv/src/api/get_game.rs b/backend/community_settings_srv/src/api/get_game.rs
new file mode 100644
index 0000000..ec19424
--- /dev/null
+++ b/backend/community_settings_srv/src/api/get_game.rs
@@ -0,0 +1,121 @@
+use actix_web::{get, web, Responder, http::header};
+
+use crate::cli::Cli;
+use crate::file_util;
+
+const MAX_RESULTS: usize = 50;
+
+fn special_settings() -> Vec<community_settings_core::v1::Metadata> {
+    vec![
+        community_settings_core::v1::Metadata {
+            name: "Zeroth the Least".to_owned(),
+            steam_app_id: 0,
+            steam_user_id: 76561198116690523,
+            steam_username: "NGnius".to_owned(),
+            tags: vec!["0".to_owned(), "gr8".to_owned()],
+            id: 0.to_string(),
+            config: community_settings_core::v1::Config {
+                cpus: vec![
+                    community_settings_core::v1::Cpu {
+                        online: true,
+                        clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                        governor: "Michaëlle Jean".to_owned(),
+                    },
+                    community_settings_core::v1::Cpu {
+                        online: false,
+                        clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                        governor: "Adrienne Clarkson".to_owned(),
+                    },
+                    community_settings_core::v1::Cpu {
+                        online: true,
+                        clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                        governor: "Michael Collins".to_owned(),
+                    }
+                ],
+                gpu: community_settings_core::v1::Gpu {
+                    fast_ppt: Some(1),
+                    slow_ppt: Some(1),
+                    tdp: None,
+                    tdp_boost: None,
+                    clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                    memory_clock: Some(404),
+                },
+                battery: community_settings_core::v1::Battery {
+                    charge_rate: Some(42),
+                    charge_mode: Some("nuclear fusion".to_owned()),
+                    events: vec![
+                        community_settings_core::v1::BatteryEvent {
+                            trigger: "anything but one on a gun".to_owned(),
+                            charge_rate: Some(42),
+                            charge_mode: Some("neutral".to_owned()),
+                        }
+                    ],
+                }
+            }
+        }
+    ]
+}
+
+fn get_some_settings_by_app_id(steam_app_id: u32, cli: &'static Cli) -> std::io::Result<Vec<community_settings_core::v1::Metadata>> {
+    let app_id_folder = file_util::setting_folder_by_app_id(&cli.folder, steam_app_id);
+    let mut files: Vec<_> = app_id_folder.read_dir()?
+                    .filter_map(|res| res.ok())
+                    .filter(|f| f.path().extension().map(|ext| ext == file_util::RON_EXTENSION).unwrap_or(false))
+                    .filter_map(|f| f.metadata().ok().map(|meta| (f, meta)))
+                    .filter_map(|(f, meta)| meta.created().ok().map(|time| (f, meta, time)))
+                    .collect();
+    files.sort_by(|(_, _, a_created), (_, _, b_created)| a_created.cmp(b_created));
+
+    let mut results = Vec::with_capacity(MAX_RESULTS);
+    for (_, (f, _, _)) in files.into_iter().enumerate().take_while(|(i, _)| *i < MAX_RESULTS) {
+        let reader = std::io::BufReader::new(std::fs::File::open(f.path())?);
+        let setting = match ron::de::from_reader(reader) {
+            Ok(x) => x,
+            Err(e) => {
+                let e_msg = format!("{}", e);
+                return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+            }
+        };
+        results.push(setting);
+    }
+    Ok(results)
+}
+
+#[get("/api/setting/by_app_id/{id}")]
+pub async fn get_setting_by_app_id_handler(
+    id: web::Path<u32>,
+    accept: web::Header<header::Accept>,
+    cli: web::Data<&'static Cli>,
+) -> std::io::Result<impl Responder> {
+    let id: u32 = *id;
+    println!("Accept: {}", accept.to_string());
+    let preferred = accept.preference();
+    if super::is_mime_type_ron_capable(&preferred) {
+        // Send RON
+        let ron = if id != 0 {
+            get_some_settings_by_app_id(id, &*cli)?
+        } else {
+            special_settings()
+        };
+        // TODO don't dump to string
+        let result_body = ron::ser::to_string(&ron).unwrap();
+        Ok(actix_web::HttpResponse::Ok()
+            //.insert_header(header::ContentType("application/ron".parse().unwrap()))
+            .insert_header(header::ContentType(mime::STAR_STAR))
+            .body(actix_web::body::BoxBody::new(result_body))
+        )
+    } else {
+        // Send JSON (fallback)
+        let json = if id != 0 {
+            get_some_settings_by_app_id(id, &*cli)?
+        } else {
+            special_settings()
+        };
+        // TODO don't dump to string
+        let result_body = serde_json::to_string(&json).unwrap();
+        Ok(actix_web::HttpResponse::Ok()
+            .insert_header(header::ContentType::json())
+            .body(actix_web::body::BoxBody::new(result_body))
+        )
+    }
+}
diff --git a/backend/community_settings_srv/src/api/get_setting.rs b/backend/community_settings_srv/src/api/get_setting.rs
new file mode 100644
index 0000000..3121192
--- /dev/null
+++ b/backend/community_settings_srv/src/api/get_setting.rs
@@ -0,0 +1,121 @@
+use actix_web::{get, web, Responder, http::header};
+
+use crate::cli::Cli;
+use crate::file_util;
+
+fn special_settings() -> community_settings_core::v1::Metadata {
+    community_settings_core::v1::Metadata {
+        name: "Zeroth the Least".to_owned(),
+        steam_app_id: 1675200,
+        steam_user_id: 76561198116690523,
+        steam_username: "NGnius".to_owned(),
+        tags: vec!["0".to_owned(), "gr8".to_owned()],
+        id: 0.to_string(),
+        config: community_settings_core::v1::Config {
+            cpus: vec![
+                community_settings_core::v1::Cpu {
+                    online: true,
+                    clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                    governor: "Michaëlle Jean".to_owned(),
+                },
+                community_settings_core::v1::Cpu {
+                    online: false,
+                    clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                    governor: "Adrienne Clarkson".to_owned(),
+                },
+                community_settings_core::v1::Cpu {
+                    online: true,
+                    clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                    governor: "Michael Collins".to_owned(),
+                }
+            ],
+            gpu: community_settings_core::v1::Gpu {
+                fast_ppt: Some(1),
+                slow_ppt: Some(1),
+                tdp: None,
+                tdp_boost: None,
+                clock_limits: Some(community_settings_core::v1::MinMax { max: Some(1), min: Some(0) }),
+                memory_clock: Some(404),
+            },
+            battery: community_settings_core::v1::Battery {
+                charge_rate: Some(42),
+                charge_mode: Some("nuclear fusion".to_owned()),
+                events: vec![
+                    community_settings_core::v1::BatteryEvent {
+                        trigger: "anything but one on a gun".to_owned(),
+                        charge_rate: Some(42),
+                        charge_mode: Some("neutral".to_owned()),
+                    }
+                ],
+            }
+        }
+    }
+}
+
+#[get("/api/setting/by_id/{id}")]
+pub async fn get_setting_handler(
+    id: web::Path<String>,
+    accept: web::Header<header::Accept>,
+    cli: web::Data<&'static Cli>,
+) -> std::io::Result<impl Responder> {
+    println!("Accept: {}", accept.to_string());
+    let id: u128 = match id.parse() {
+        Ok(x) => x,
+        Err(e) => return Err(std::io::Error::new(std::io::ErrorKind::InvalidInput, format!("invalid setting id `{}` (should be u128): {}", id, e))),
+    };
+    let preferred = accept.preference();
+    if super::is_mime_type_ron_capable(&preferred) {
+        // Send RON
+        let ron = if id != 0 {
+            let path = file_util::setting_path_by_id(&cli.folder, id, file_util::RON_EXTENSION);
+            if !path.exists() {
+                return Err(std::io::Error::new(std::io::ErrorKind::NotFound, format!("setting id {} does not exist", id)));
+            }
+            // TODO? cache this instead of always loading it from file
+            let reader = std::io::BufReader::new(std::fs::File::open(path)?);
+            match ron::de::from_reader(reader) {
+                Ok(x) => x,
+                Err(e) => {
+                    let e_msg = format!("{}", e);
+                    return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+                }
+            }
+        } else {
+            special_settings()
+        };
+        // TODO don't dump to string
+        let result_body = ron::ser::to_string(&ron).unwrap();
+        Ok(actix_web::HttpResponse::Ok()
+            //.insert_header(header::ContentType("application/ron".parse().unwrap()))
+            .insert_header(header::ContentType(mime::STAR_STAR))
+            .body(actix_web::body::BoxBody::new(result_body))
+        )
+    } else {
+        // Send JSON (fallback)
+        let json = if id != 0 {
+            let path = file_util::setting_path_by_id(&cli.folder, id, file_util::JSON_EXTENSION);
+            // TODO? cache this instead of always loading it from file
+            let reader = std::io::BufReader::new(std::fs::File::open(path)?);
+            match serde_json::from_reader(reader) {
+                Ok(x) => x,
+                Err(e) => {
+                    let e_msg = format!("{}", e);
+                    if let Some(io_e) = e.io_error_kind() {
+                        return Err(std::io::Error::new(io_e, e_msg));
+                    } else {
+                        return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+                    }
+
+                }
+            }
+        } else {
+            special_settings()
+        };
+        // TODO don't dump to string
+        let result_body = serde_json::to_string(&json).unwrap();
+        Ok(actix_web::HttpResponse::Ok()
+            .insert_header(header::ContentType::json())
+            .body(actix_web::body::BoxBody::new(result_body))
+        )
+    }
+}
diff --git a/backend/community_settings_srv/src/api/mod.rs b/backend/community_settings_srv/src/api/mod.rs
new file mode 100644
index 0000000..ca947e3
--- /dev/null
+++ b/backend/community_settings_srv/src/api/mod.rs
@@ -0,0 +1,12 @@
+mod get_game;
+mod get_setting;
+mod save_setting;
+
+pub use get_game::get_setting_by_app_id_handler as get_setting_by_steam_app_id;
+pub use get_setting::get_setting_handler as get_setting_by_id;
+pub use save_setting::save_setting_handler as save_setting_with_new_id;
+
+pub(self) fn is_mime_type_ron_capable(mimetype: &mime::Mime) -> bool {
+    (mimetype.type_() == "application" || mimetype.type_() == mime::STAR)
+    && (mimetype.subtype() == "ron" || mimetype.subtype() == "cc.replicated.ron" || mimetype.subtype() == "w-ron")
+}
diff --git a/backend/community_settings_srv/src/api/save_setting.rs b/backend/community_settings_srv/src/api/save_setting.rs
new file mode 100644
index 0000000..173364f
--- /dev/null
+++ b/backend/community_settings_srv/src/api/save_setting.rs
@@ -0,0 +1,120 @@
+use actix_web::{post, web, Responder, http::header};
+
+use crate::cli::Cli;
+use crate::file_util;
+
+const PAYLOAD_LIMIT: usize = 10_000_000; // 10 Megabyte
+
+#[post("/api/setting")]
+pub async fn save_setting_handler(
+    data: web::Payload,
+    content_type: web::Header<header::ContentType>,
+    cli: web::Data<&'static Cli>,
+) -> std::io::Result<impl Responder> {
+    //println!("Content-Type: {}", content_type.to_string());
+    let bytes = match data.to_bytes_limited(PAYLOAD_LIMIT).await {
+        Ok(Ok(x)) => x,
+        Ok(Err(e)) => return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, format!("wut: {}", e))),
+        Err(_e) => return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "too many bytes in payload")),
+    };
+    let next_id = file_util::next_setting_id(&cli.folder);
+    let parsed_data: community_settings_core::v1::Metadata = if super::is_mime_type_ron_capable(&content_type) {
+        // Parse as RON
+        match ron::de::from_reader(bytes.as_ref()) {
+            Ok(x) => x,
+            Err(e) => {
+                let e_msg = format!("{}", e);
+                return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+            }
+        }
+    } else {
+        // Parse JSON (fallback)
+        match serde_json::from_reader(bytes.as_ref()) {
+            Ok(x) => x,
+            Err(e) => {
+                let e_msg = format!("{}", e);
+                if let Some(io_e) = e.io_error_kind() {
+                    return Err(std::io::Error::new(io_e, e_msg));
+                } else {
+                    return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+                }
+
+            }
+        }
+    };
+    // TODO validate user and app id
+    // Reject blocked users and apps
+    let path_ron = file_util::setting_path_by_id(&cli.folder, next_id, file_util::RON_EXTENSION);
+    let writer = std::io::BufWriter::new(std::fs::File::create(&path_ron)?);
+    if let Err(e) = ron::ser::to_writer(writer, &parsed_data) {
+        let e_msg = format!("{}", e);
+        return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+    }
+
+    let path_json = file_util::setting_path_by_id(&cli.folder, next_id, file_util::JSON_EXTENSION);
+    let writer = std::io::BufWriter::new(std::fs::File::create(&path_json)?);
+    if let Err(e) = serde_json::to_writer(writer, &parsed_data) {
+        let e_msg = format!("{}", e);
+        if let Some(io_e) = e.io_error_kind() {
+            return Err(std::io::Error::new(io_e, e_msg));
+        } else {
+            return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e_msg));
+        }
+    }
+
+    // create symlinks for other ways of looking up these settings files
+    let filename_ron = file_util::filename(next_id, file_util::RON_EXTENSION);
+    let filename_json = file_util::filename(next_id, file_util::JSON_EXTENSION);
+
+    // create symlinks to app id folder
+    let app_id_folder = file_util::setting_folder_by_app_id(&cli.folder, parsed_data.steam_app_id);
+    if !app_id_folder.exists() {
+        std::fs::create_dir(&app_id_folder)?;
+    }
+    #[cfg(target_family = "windows")] // NOTE: windows support is untested and unmaintained
+    {
+        std::os::windows::fs::symlink_file(&path_ron, app_id_folder.join(&filename_ron))?;
+        std::os::windows::fs::symlink_file(&path_json, app_id_folder.join(&filename_json))?;
+    }
+    #[cfg(target_family = "unix")]
+    {
+        std::os::unix::fs::symlink(&path_ron, app_id_folder.join(&filename_ron))?;
+        std::os::unix::fs::symlink(&path_json, app_id_folder.join(&filename_json))?;
+    }
+
+    // create symlinks for user id folder
+    let user_id_folder = file_util::setting_folder_by_user_id(&cli.folder, parsed_data.steam_user_id);
+    if !user_id_folder.exists() {
+        std::fs::create_dir(&user_id_folder)?;
+    }
+    #[cfg(target_family = "windows")] // NOTE: windows support is untested and unmaintained
+    {
+        std::os::windows::fs::symlink_file(&path_ron, user_id_folder.join(&filename_ron))?;
+        std::os::windows::fs::symlink_file(&path_json, user_id_folder.join(&filename_json))?;
+    }
+    #[cfg(target_family = "unix")]
+    {
+        std::os::unix::fs::symlink(&path_ron, user_id_folder.join(&filename_ron))?;
+        std::os::unix::fs::symlink(&path_json, user_id_folder.join(&filename_json))?;
+    }
+
+    // create symlinks for each tag
+    for tag in parsed_data.tags.iter() {
+        let tag_folder = file_util::setting_folder_by_tag(&cli.folder, tag);
+        if !tag_folder.exists() {
+            std::fs::create_dir(&tag_folder)?;
+        }
+        #[cfg(target_family = "windows")] // NOTE: windows support is untested and unmaintained
+        {
+            std::os::windows::fs::symlink_file(&path_ron, tag_folder.join(&filename_ron))?;
+            std::os::windows::fs::symlink_file(&path_json, tag_folder.join(&filename_json))?;
+        }
+        #[cfg(target_family = "unix")]
+        {
+            std::os::unix::fs::symlink(&path_ron, tag_folder.join(&filename_ron))?;
+            std::os::unix::fs::symlink(&path_json, tag_folder.join(&filename_json))?;
+        }
+    }
+
+    Ok(actix_web::HttpResponse::NoContent())
+}
diff --git a/backend/community_settings_srv/src/cli.rs b/backend/community_settings_srv/src/cli.rs
new file mode 100644
index 0000000..b787355
--- /dev/null
+++ b/backend/community_settings_srv/src/cli.rs
@@ -0,0 +1,23 @@
+use clap::Parser;
+
+#[derive(Parser, Debug, Clone)]
+#[command(author, version, about, long_about = None)]
+pub struct Cli {
+    /// Root folder to store contributed setting files
+    #[arg(short, long, default_value = "./community_settings")]
+    pub folder: std::path::PathBuf,
+
+    /// Server port
+    #[arg(short, long, default_value_t = 8080)]
+    pub port: u16,
+
+    /// Log file location
+    #[arg(short, long, default_value = "/tmp/powertools_community_settings_srv.log")]
+    pub log: std::path::PathBuf,
+}
+
+impl Cli {
+    pub fn get() -> Self {
+        Self::parse()
+    }
+}
diff --git a/backend/community_settings_srv/src/file_util.rs b/backend/community_settings_srv/src/file_util.rs
new file mode 100644
index 0000000..670c608
--- /dev/null
+++ b/backend/community_settings_srv/src/file_util.rs
@@ -0,0 +1,86 @@
+use std::path::{Path, PathBuf};
+use std::sync::Mutex;
+
+pub const RON_EXTENSION: &'static str = "ron";
+pub const JSON_EXTENSION: &'static str = "json";
+
+const SETTING_FOLDER: &'static str = "settings";
+const ID_FOLDER: &'static str = "by_id";
+const APP_ID_FOLDER: &'static str = "by_app_id";
+const USER_ID_FOLDER: &'static str = "by_user_id";
+const TAG_FOLDER: &'static str = "by_tag";
+
+static LAST_SETTING_ID: Mutex<u128> = Mutex::new(0);
+
+pub fn build_folder_layout(root: impl AsRef<Path>) -> std::io::Result<()> {
+    std::fs::create_dir_all(
+        root.as_ref()
+            .join(SETTING_FOLDER)
+            .join(ID_FOLDER)
+    )?;
+    std::fs::create_dir_all(
+        root.as_ref()
+            .join(SETTING_FOLDER)
+            .join(APP_ID_FOLDER)
+    )?;
+    std::fs::create_dir_all(
+        root.as_ref()
+            .join(SETTING_FOLDER)
+            .join(USER_ID_FOLDER)
+    )?;
+    std::fs::create_dir_all(
+        root.as_ref()
+            .join(SETTING_FOLDER)
+            .join(TAG_FOLDER)
+    )?;
+    Ok(())
+}
+
+pub fn filename(id: u128, ext: &str) -> String {
+    format!("{}.{}", id, ext)
+}
+
+pub fn setting_path_by_id(root: impl AsRef<Path>, id: u128, ext: &str) -> PathBuf {
+    root.as_ref()
+        .join(SETTING_FOLDER)
+        .join(ID_FOLDER)
+        .join(filename(id, ext))
+}
+
+pub fn setting_folder_by_app_id(root: impl AsRef<Path>, steam_app_id: u32) -> PathBuf {
+    root.as_ref()
+        .join(SETTING_FOLDER)
+        .join(APP_ID_FOLDER)
+        .join(steam_app_id.to_string())
+}
+
+pub fn setting_folder_by_user_id(root: impl AsRef<Path>, steam_user_id: u64) -> PathBuf {
+    root.as_ref()
+        .join(SETTING_FOLDER)
+        .join(USER_ID_FOLDER)
+        .join(steam_user_id.to_string())
+}
+
+pub fn setting_folder_by_tag(root: impl AsRef<Path>, tag: &str) -> PathBuf {
+    root.as_ref()
+        .join(SETTING_FOLDER)
+        .join(TAG_FOLDER)
+        .join(tag)
+}
+
+pub fn next_setting_id(root: impl AsRef<Path>) -> u128 {
+    let mut lock = LAST_SETTING_ID.lock().unwrap();
+    let mut last_id = *lock;
+    if last_id == 0 {
+        // needs init
+        let mut path = setting_path_by_id(root.as_ref(), last_id, RON_EXTENSION);
+        while path.exists() {
+            last_id += 1;
+            path = setting_path_by_id(root.as_ref(), last_id, RON_EXTENSION);
+        }
+        *lock = last_id;
+        println!("setting id initialized to {}", last_id);
+    }
+    *lock += 1;
+    *lock
+}
diff --git a/backend/community_settings_srv/src/main.rs b/backend/community_settings_srv/src/main.rs
new file mode 100644
index 0000000..2753bfa
--- /dev/null
+++ b/backend/community_settings_srv/src/main.rs
@@ -0,0 +1,45 @@
+mod api;
+mod cli;
+mod file_util;
+
+use actix_web::{web, App, HttpServer};
+
+#[tokio::main]
+async fn main() -> std::io::Result<()> {
+    let args = cli::Cli::get();
+    println!("cli: {:?}", args);
+
+    simplelog::WriteLogger::init(
+        #[cfg(debug_assertions)]
+        {
+            log::LevelFilter::Debug
+        },
+        #[cfg(not(debug_assertions))]
+        {
+            log::LevelFilter::Info
+        },
+        Default::default(),
+        std::fs::File::create(&args.log).expect("Failed to create log file"),
+        //std::fs::File::create("/home/deck/powertools-rs.log").unwrap(),
+    )
+    .unwrap();
+    log::debug!("Logging to: {}", args.log.display());
+
+    // setup
+    log::debug!("Building folder layout (if not exists) at: {}", &args.folder.display());
+    file_util::build_folder_layout(&args.folder)?;
+
+    let leaked_args: &'static cli::Cli = Box::leak::<'static>(Box::new(args));
+    HttpServer::new(move || {
+            App::new()
+                .app_data(web::Data::new(leaked_args))
+                //.app_data(web::Data::new(IndexPage::load("dist/index.html").unwrap()))
+                //.app_data(basic::Config::default().realm("Restricted area"))
+                .service(api::get_setting_by_id)
+                .service(api::get_setting_by_steam_app_id)
+                .service(api::save_setting_with_new_id)
+        })
+            .bind(("0.0.0.0", leaked_args.port))?
+            .run()
+            .await
+}
diff --git a/backend/limits_core/Cargo.lock b/backend/limits_core/Cargo.lock
index a3d5955..169eb4d 100644
--- a/backend/limits_core/Cargo.lock
+++ b/backend/limits_core/Cargo.lock
@@ -2,18 +2,11 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "itoa"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b02a5381cc465bd3041d84623d0fa3b66738b52b8e2fc3bab8ad63ab032f4a"
-
 [[package]]
 name = "limits_core"
-version = "2.0.1"
+version = "3.0.0"
 dependencies = [
  "serde",
- "serde_json",
 ]
 
 [[package]]
@@ -34,12 +27,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe232bdf6be8c8de797b22184ee71118d63780ea42ac85b61d1baa6d3b782ae9"
-
 [[package]]
 name = "serde"
 version = "1.0.166"
@@ -60,17 +47,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "serde_json"
-version = "1.0.99"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.23"
diff --git a/backend/limits_core/Cargo.toml b/backend/limits_core/Cargo.toml
index 7d2f721..bc36c76 100644
--- a/backend/limits_core/Cargo.toml
+++ b/backend/limits_core/Cargo.toml
@@ -1,10 +1,9 @@
 [package]
 name = "limits_core"
-version = "2.0.1"
+version = "3.0.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
diff --git a/backend/limits_core/src/json/base.rs b/backend/limits_core/src/json/base.rs
index cbb77fc..fefab76 100644
--- a/backend/limits_core/src/json/base.rs
+++ b/backend/limits_core/src/json/base.rs
@@ -1,5 +1,5 @@
-use std::default::Default;
 use serde::{Deserialize, Serialize};
+use std::default::Default;
 
 /// Base JSON limits information
 #[derive(Serialize, Deserialize, Debug, Clone)]
@@ -20,7 +20,7 @@ impl Default for Base {
                     name: "Steam Deck Custom".to_owned(),
                     conditions: super::Conditions {
                         dmi: None,
-                        cpuinfo: Some("model name\t: AMD Custom APU 0405\n".to_owned()),
+                        cpuinfo: Some("model name\t: AMD Custom APU (0405)|(0932)\n".to_owned()),
                         os: None,
                         command: None,
                         file_exists: Some("./pt_oc.json".into()),
@@ -35,7 +35,7 @@ impl Default for Base {
                     name: "Steam Deck".to_owned(),
                     conditions: super::Conditions {
                         dmi: None,
-                        cpuinfo: Some("model name\t: AMD Custom APU 0405\n".to_owned()),
+                        cpuinfo: Some("model name\t: AMD Custom APU (0405)|(0932)\n".to_owned()),
                         os: None,
                         command: None,
                         file_exists: None,
@@ -131,7 +131,7 @@ impl Default for Base {
                     name: "AMD R7 6800U".to_owned(),
                     conditions: super::Conditions {
                         dmi: None,
-                        cpuinfo: Some("model name\t+: AMD Ryzen 7 6800U\n".to_owned()),
+                        cpuinfo: Some("model name\t+: AMD Ryzen 7 6800U( with Radeon Graphics)?\n".to_owned()),
                         os: None,
                         command: None,
                         file_exists: None,
@@ -174,8 +174,8 @@ impl Default for Base {
                 super::DeveloperMessage {
                     id: 1,
                     title: "Welcome".to_owned(),
-                    body: "Thanks for installing PowerTools! For more information, please check the wiki. For bugs and requests, please create an issue on GitHub.".to_owned(),
-                    url: Some("https://github.com/NGnius/PowerTools/wiki".to_owned()),
+                    body: "Thanks for installing PowerTools! For more information, please check the wiki. For bugs and requests, please create an issue.".to_owned(),
+                    url: Some("https://git.ngni.us/NG-SD-Plugins/PowerTools/wiki".to_owned()),
                 }
             ],
             refresh: Some("http://limits.ngni.us:45000/powertools/v1".to_owned())
diff --git a/backend/limits_core/src/json_v2/base.rs b/backend/limits_core/src/json_v2/base.rs
new file mode 100644
index 0000000..b47f450
--- /dev/null
+++ b/backend/limits_core/src/json_v2/base.rs
@@ -0,0 +1,341 @@
+use serde::{Deserialize, Serialize};
+use std::default::Default;
+
+/// Base JSON limits information
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Base {
+    /// System-specific configurations
+    pub configs: Vec<super::Config>,
+    /// Server messages
+    pub messages: Vec<super::DeveloperMessage>,
+    /// Base URL for the config store
+    pub store: String,
+    /// URL from which to grab the next update
+    pub refresh: Option<String>,
+}
+
+impl Default for Base {
+    fn default() -> Self {
+        Base {
+            configs: vec![
+                super::Config {
+                    name: "Devs mode best mode".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: None,
+                        os: None,
+                        file_exists: Some("/etc/powertools_dev_mode".into()),
+                    },
+                    limits: super::Limits {
+                        cpu: super::Limit {
+                            provider: super::CpuLimitType::DevMode,
+                            limits: super::GenericCpusLimit::default_for(super::CpuLimitType::DevMode),
+                        },
+                        gpu: super::Limit {
+                            provider: super::GpuLimitType::DevMode,
+                            limits: super::GenericGpuLimit::default_for(super::GpuLimitType::DevMode),
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::DevMode,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::DevMode),
+                        },
+                    }
+                },
+                super::Config {
+                    name: "Steam Deck".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\t: AMD Custom APU 0405\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::Limit {
+                            provider: super::CpuLimitType::SteamDeck,
+                            limits: super::GenericCpusLimit::default_for(super::CpuLimitType::SteamDeck),
+                        },
+                        gpu: super::Limit {
+                            provider: super::GpuLimitType::SteamDeck,
+                            limits: super::GenericGpuLimit::default_for(super::GpuLimitType::SteamDeck),
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::SteamDeck,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::SteamDeck),
+                        },
+                    }
+                },
+                super::Config {
+                    name: "Steam Deck OLED".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\t: AMD Custom APU 0932\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::Limit {
+                            provider: super::CpuLimitType::SteamDeckOLED,
+                            limits: super::GenericCpusLimit::default_for(super::CpuLimitType::SteamDeckOLED),
+                        },
+                        gpu: super::Limit {
+                            provider: super::GpuLimitType::SteamDeckOLED,
+                            limits: super::GenericGpuLimit::default_for(super::GpuLimitType::SteamDeckOLED),
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::SteamDeckOLED,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::SteamDeckOLED),
+                        },
+                    }
+                },
+                super::Config {
+                    name: "AMD R3 2300U".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\t+: AMD Ryzen 3 2300U\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::CpuLimit {
+                            provider: super::CpuLimitType::GenericAMD,
+                            limits: super::GenericCpusLimit {
+                                cpus: vec![
+                                    super::GenericCpuLimit {
+                                        clock_min: Some(super::RangeLimit { min: Some(1000), max: Some(3700) }),
+                                        clock_max: Some(super::RangeLimit { min: Some(1000), max: Some(3700) }),
+                                        clock_step: Some(100),
+                                        skip_resume_reclock: false,
+                                        ..Default::default()
+                                    }; 4],
+                                global_governors: true,
+                                ..Default::default()
+                            }
+                        },
+                        gpu: super::GpuLimit {
+                            provider: super::GpuLimitType::GenericAMD,
+                            limits: super::GenericGpuLimit {
+                                fast_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(25_000) }),
+                                slow_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(25_000) }),
+                                ppt_step: Some(1_000),
+                                ppt_divisor: Some(1_000),
+                                clock_min: Some(super::RangeLimit { min: Some(400), max: Some(1100) }),
+                                clock_max: Some(super::RangeLimit { min: Some(400), max: Some(1100) }),
+                                clock_step: Some(100),
+                                ..Default::default()
+                            }
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::Generic,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::Generic),
+                        }
+                    },
+                },
+                super::Config {
+                    name: "AMD R5 5560U".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\t+: AMD Ryzen 5 5560U\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::CpuLimit {
+                            provider: super::CpuLimitType::GenericAMD,
+                            limits: super::GenericCpusLimit {
+                                cpus: vec![
+                                    super::GenericCpuLimit {
+                                        clock_min: Some(super::RangeLimit { min: Some(1000), max: Some(4000) }),
+                                        clock_max: Some(super::RangeLimit { min: Some(1000), max: Some(4000) }),
+                                        clock_step: Some(100),
+                                        skip_resume_reclock: false,
+                                        ..Default::default()
+                                    }; 12], // 6 cores with SMTx2
+                                global_governors: true,
+                                ..Default::default()
+                            }
+                        },
+                        gpu: super::GpuLimit {
+                            provider: super::GpuLimitType::GenericAMD,
+                            limits: super::GenericGpuLimit {
+                                fast_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(25_000) }),
+                                slow_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(25_000) }),
+                                ppt_step: Some(1_000),
+                                ppt_divisor: Some(1_000),
+                                clock_min: Some(super::RangeLimit { min: Some(400), max: Some(1600) }),
+                                clock_max: Some(super::RangeLimit { min: Some(400), max: Some(1600) }),
+                                clock_step: Some(100),
+                                ..Default::default()
+                            }
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::Generic,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::Generic),
+                        }
+                    }
+                },
+                super::Config {
+                    name: "AMD R7 5825U".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\t+: AMD Ryzen 7 5825U\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::CpuLimit {
+                            provider: super::CpuLimitType::GenericAMD,
+                            limits: super::GenericCpusLimit {
+                                cpus: vec![
+                                    super::GenericCpuLimit {
+                                        clock_min: Some(super::RangeLimit { min: Some(1000), max: Some(4500) }),
+                                        clock_max: Some(super::RangeLimit { min: Some(1000), max: Some(4500) }),
+                                        clock_step: Some(100),
+                                        skip_resume_reclock: false,
+                                        ..Default::default()
+                                    }; 16], // 8 cores with SMTx2
+                                global_governors: true,
+                                ..Default::default()
+                            }
+                        },
+                        gpu: super::GpuLimit {
+                            provider: super::GpuLimitType::GenericAMD,
+                            limits: super::GenericGpuLimit {
+                                fast_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(28_000) }),
+                                slow_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(28_000) }),
+                                ppt_step: Some(1_000),
+                                ppt_divisor: Some(1_000),
+                                clock_min: Some(super::RangeLimit { min: Some(400), max: Some(2200) }),
+                                clock_max: Some(super::RangeLimit { min: Some(400), max: Some(2200) }),
+                                clock_step: Some(100),
+                                ..Default::default()
+                            }
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::Generic,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::Generic),
+                        }
+                    }
+                },
+                super::Config {
+                    name: "AMD R7 6800U".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\t+: AMD Ryzen 7 6800U( with Radeon Graphics)?\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::CpuLimit {
+                            provider: super::CpuLimitType::GenericAMD,
+                            limits: super::GenericCpusLimit {
+                                cpus: vec![
+                                    super::GenericCpuLimit {
+                                        clock_min: Some(super::RangeLimit { min: Some(1000), max: Some(4700) }),
+                                        clock_max: Some(super::RangeLimit { min: Some(1000), max: Some(4700) }),
+                                        clock_step: Some(100),
+                                        skip_resume_reclock: false,
+                                        ..Default::default()
+                                    }; 16], // 8 cores with SMTx2
+                                global_governors: true,
+                                ..Default::default()
+                            }
+                        },
+                        gpu: super::GpuLimit {
+                            provider: super::GpuLimitType::GenericAMD,
+                            limits: super::GenericGpuLimit {
+                                fast_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(28_000) }),
+                                slow_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(28_000) }),
+                                ppt_step: Some(1_000),
+                                ppt_divisor: Some(1_000),
+                                clock_min: Some(super::RangeLimit { min: Some(400), max: Some(2200) }),
+                                clock_max: Some(super::RangeLimit { min: Some(400), max: Some(2200) }),
+                                clock_step: Some(100),
+                                ..Default::default()
+                            }
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::Generic,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::Generic),
+                        }
+                    }
+                },
+                super::Config {
+                    name: "AMD R7 7840U".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: Some("model name\\s+: AMD Ryzen 7 7840U( w\\/ Radeon  780M Graphics)?\n".to_owned()),
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::CpuLimit {
+                            provider: super::CpuLimitType::GenericAMD,
+                            limits: super::GenericCpusLimit {
+                                cpus: vec![
+                                    super::GenericCpuLimit {
+                                        clock_min: Some(super::RangeLimit { min: Some(400), max: Some(5100) }),
+                                        clock_max: Some(super::RangeLimit { min: Some(400), max: Some(5100) }),
+                                        clock_step: Some(100),
+                                        skip_resume_reclock: false,
+                                        ..Default::default()
+                                    }; 16], // 8 cores with SMTx2
+                                global_governors: true,
+                                ..Default::default()
+                            }
+                        },
+                        gpu: super::GpuLimit {
+                            provider: super::GpuLimitType::GenericAMD,
+                            limits: super::GenericGpuLimit {
+                                fast_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(53_000) }),
+                                slow_ppt: Some(super::RangeLimit { min: Some(1_000), max: Some(43_000) }),
+                                ppt_step: Some(1_000),
+                                ppt_divisor: Some(1_000),
+                                clock_min: None,
+                                clock_max: None,
+                                clock_step: None,
+                                ..Default::default()
+                            }
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::Generic,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::Generic),
+                        }
+                    }
+                },
+                super::Config {
+                    name: "Fallback".to_owned(),
+                    conditions: super::Conditions {
+                        dmi: None,
+                        cpuinfo: None,
+                        os: None,
+                        file_exists: None,
+                    },
+                    limits: super::Limits {
+                        cpu: super::Limit {
+                            provider: super::CpuLimitType::Unknown,
+                            limits: super::GenericCpusLimit::default_for(super::CpuLimitType::Unknown),
+                        },
+                        gpu: super::Limit {
+                            provider: super::GpuLimitType::Unknown,
+                            limits: super::GenericGpuLimit::default_for(super::GpuLimitType::Unknown),
+                        },
+                        battery: super::Limit {
+                            provider: super::BatteryLimitType::Unknown,
+                            limits: super::GenericBatteryLimit::default_for(super::BatteryLimitType::Unknown),
+                        }
+                    }
+                }
+            ],
+            messages: vec![
+                super::DeveloperMessage {
+                    id: 1,
+                    title: "Welcome".to_owned(),
+                    body: "Thanks for installing PowerTools! For more information, please check the wiki. For bugs and requests, please create an issue.".to_owned(),
+                    url: Some("https://git.ngni.us/NG-SD-Plugins/PowerTools/wiki".to_owned()),
+                }
+            ],
+            store: "https://powertools.ngni.us".to_owned(),
+            refresh: Some("http://limits.ngni.us:45000/powertools/v2".to_owned())
+        }
+    }
+}
diff --git a/backend/limits_core/src/json_v2/battery_limit.rs b/backend/limits_core/src/json_v2/battery_limit.rs
new file mode 100644
index 0000000..3506d4b
--- /dev/null
+++ b/backend/limits_core/src/json_v2/battery_limit.rs
@@ -0,0 +1,99 @@
+use serde::{Deserialize, Serialize};
+use super::RangeLimit;
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+//#[serde(tag = "target")]
+pub enum BatteryLimitType {
+    #[serde(rename = "GabeBoy", alias = "SteamDeck")]
+    SteamDeck,
+    #[serde(rename = "GabeBoySP", alias = "SteamDeckOLED")]
+    SteamDeckOLED,
+    Generic,
+    Unknown,
+    DevMode,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+pub struct GenericBatteryLimit {
+    pub charge_rate: Option<RangeLimit<u64>>,
+    pub charge_modes: Vec<String>,
+    pub charge_limit: Option<RangeLimit<f64>>, // battery charge %
+    pub extra_readouts: bool,
+    pub extras: super::LimitExtras,
+}
+
+impl GenericBatteryLimit {
+    pub fn default_for(t: BatteryLimitType) -> Self {
+        match t {
+            BatteryLimitType::SteamDeck | BatteryLimitType::SteamDeckOLED => Self::default_steam_deck(),
+            BatteryLimitType::DevMode => Self::default_dev_mode(),
+            _t => Self::default(),
+        }
+    }
+
+    fn default_steam_deck() -> Self {
+        Self {
+            charge_rate: Some(RangeLimit {
+                min: Some(250),
+                max: Some(2500),
+            }),
+            charge_modes: vec![
+                "normal".to_owned(),
+                "discharge".to_owned(),
+                "idle".to_owned(),
+            ],
+            charge_limit: Some(RangeLimit {
+                min: Some(10.0),
+                max: Some(90.0),
+            }),
+            extra_readouts: false,
+            extras: Default::default(),
+        }
+    }
+
+    fn default_dev_mode() -> Self {
+        Self {
+            charge_rate: Some(RangeLimit {
+                min: Some(0),
+                max: Some(1_000),
+            }),
+            charge_modes: vec![
+                "normal".to_owned(),
+                "discharge".to_owned(),
+                "idle".to_owned(),
+            ],
+            charge_limit: Some(RangeLimit {
+                min: Some(1.0),
+                max: Some(99.0),
+            }),
+            extra_readouts: true,
+            extras: super::LimitExtras {
+                experiments: true,
+                quirks: vec!["".to_owned()].into_iter().collect(),
+            },
+        }
+    }
+
+    pub fn apply_override(&mut self, limit_override: Self) {
+        if let Some(range) = limit_override.charge_rate {
+            if range.min.is_none() && range.max.is_none() {
+                self.charge_rate = None;
+            } else {
+                self.charge_rate = Some(range);
+            }
+        }
+        if self.charge_modes.len() != limit_override.charge_modes.len() && !limit_override.charge_modes.is_empty() {
+            // assume limit_override.cpus wants to override even the cpu count
+            self.charge_modes = limit_override.charge_modes;
+        }
+        if let Some(range) = limit_override.charge_limit {
+            if range.min.is_none() && range.max.is_none() {
+                self.charge_limit = None;
+            } else {
+                self.charge_limit = Some(range);
+            }
+        }
+        self.extra_readouts = limit_override.extra_readouts;
+        self.extras = limit_override.extras;
+    }
+}
diff --git a/backend/limits_core/src/json_v2/conditions.rs b/backend/limits_core/src/json_v2/conditions.rs
new file mode 100644
index 0000000..11607b9
--- /dev/null
+++ b/backend/limits_core/src/json_v2/conditions.rs
@@ -0,0 +1,23 @@
+use serde::{Deserialize, Serialize};
+
+/// Conditions under which a config applies (ANDed together)
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Conditions {
+    /// Regex pattern for dmidecode output
+    pub dmi: Option<String>,
+    /// Regex pattern for /proc/cpuinfo reading
+    pub cpuinfo: Option<String>,
+    /// Regex pattern for /etc/os-release reading
+    pub os: Option<String>,
+    /// Check if file exists
+    pub file_exists: Option<String>,
+}
+
+impl Conditions {
+    pub fn is_empty(&self) -> bool {
+        self.dmi.is_none()
+            && self.cpuinfo.is_none()
+            && self.os.is_none()
+            && self.file_exists.is_none()
+    }
+}
diff --git a/backend/limits_core/src/json_v2/config.rs b/backend/limits_core/src/json_v2/config.rs
new file mode 100644
index 0000000..cf1e8e1
--- /dev/null
+++ b/backend/limits_core/src/json_v2/config.rs
@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Config {
+    pub name: String,
+    pub conditions: super::Conditions,
+    pub limits: super::Limits,
+}
diff --git a/backend/limits_core/src/json_v2/cpu_limit.rs b/backend/limits_core/src/json_v2/cpu_limit.rs
new file mode 100644
index 0000000..4433a66
--- /dev/null
+++ b/backend/limits_core/src/json_v2/cpu_limit.rs
@@ -0,0 +1,196 @@
+use serde::{Deserialize, Serialize};
+
+use super::RangeLimit;
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+//#[serde(tag = "target")]
+pub enum CpuLimitType {
+    #[serde(rename = "GabeBoy", alias = "SteamDeck")]
+    SteamDeck,
+    #[serde(rename = "GabeBoySP", alias = "SteamDeckOLED")]
+    SteamDeckOLED,
+    Generic,
+    GenericAMD,
+    Unknown,
+    DevMode,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+pub struct GenericCpusLimit {
+    pub cpus: Vec<GenericCpuLimit>,
+    pub global_governors: bool,
+    pub extras: super::LimitExtras,
+}
+
+impl GenericCpusLimit {
+    pub fn default_for(t: CpuLimitType) -> Self {
+        match t {
+            CpuLimitType::SteamDeck | CpuLimitType::SteamDeckOLED => {
+                Self {
+                    cpus: [(); 8].iter().enumerate().map(|(i, _)| GenericCpuLimit::default_for(&t, i)).collect(),
+                    global_governors: true,
+                    extras: Default::default(),
+                }
+            },
+            CpuLimitType::DevMode => {
+                Self {
+                    cpus: [(); 11].iter().enumerate().map(|(i, _)| GenericCpuLimit::default_for(&t, i)).collect(),
+                    global_governors: true,
+                    extras: super::LimitExtras {
+                        experiments: true,
+                        quirks: vec!["".to_owned()].into_iter().collect(),
+                    },
+                }
+            },
+            t => {
+                let cpu_count = Self::cpu_count().unwrap_or(8);
+                let mut cpus = Vec::with_capacity(cpu_count);
+                for i in 0..cpu_count {
+                    cpus.push(GenericCpuLimit::default_for(&t, i));
+                }
+                Self {
+                    cpus,
+                    global_governors: true,
+                    extras: Default::default(),
+                }
+            }
+        }
+    }
+
+    fn cpu_count() -> Option<usize> {
+        let mut data: String = std::fs::read_to_string("/sys/devices/system/cpu/present")
+            .unwrap_or_else(|_| "0-7".to_string() /* Steam Deck's default */);
+        if let Some(dash_index) = data.find('-') {
+            let data = data.split_off(dash_index + 1);
+            if let Ok(max_cpu) = data.parse::<usize>() {
+                return Some(max_cpu + 1);
+            }
+        }
+        None
+    }
+
+    pub fn apply_override(&mut self, limit_override: Self) {
+        if self.cpus.len() != limit_override.cpus.len() && !limit_override.cpus.is_empty() {
+            // assume limit_override.cpus wants to override even the cpu count
+            self.cpus = limit_override.cpus;
+        } else {
+            self.cpus.iter_mut()
+                .zip(limit_override.cpus.into_iter())
+                .for_each(|(cpu, limit_override)| cpu.apply_override(limit_override));
+        }
+        self.global_governors = limit_override.global_governors;
+        self.extras = limit_override.extras;
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+pub struct GenericCpuLimit {
+    pub clock_min: Option<RangeLimit<u64>>,
+    pub clock_max: Option<RangeLimit<u64>>,
+    pub clock_step: Option<u64>,
+    pub tdp: Option<RangeLimit<u64>>,
+    pub tdp_boost: Option<RangeLimit<u64>>,
+    pub tdp_divisor: Option<u64>,
+    pub tdp_step: Option<u64>,
+    pub skip_resume_reclock: bool,
+    pub extras: super::LimitExtras,
+}
+
+impl GenericCpuLimit {
+    pub fn default_for(t: &CpuLimitType, _index: usize) -> Self {
+        match t {
+            CpuLimitType::SteamDeck => Self::default_steam_deck(),
+            CpuLimitType::SteamDeckOLED => Self::default_steam_deck_oled(),
+            CpuLimitType::DevMode => Self {
+                clock_min: Some(RangeLimit { min: Some(100), max: Some(5000) }),
+                clock_max: Some(RangeLimit { min: Some(100), max: Some(4800) }),
+                clock_step: Some(100),
+                tdp: Some(RangeLimit { min: Some(1_000_000), max: Some(100_000_000) }),
+                tdp_boost: Some(RangeLimit { min: Some(1_000_000), max: Some(110_000_000) }),
+                tdp_divisor: Some(1_000_000),
+                tdp_step: Some(1),
+                skip_resume_reclock: false,
+                extras: Default::default(),
+            },
+            _ => Self {
+                clock_min: None,
+                clock_max: None,
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: Default::default(),
+            },
+        }
+    }
+
+    fn default_steam_deck() -> Self {
+        Self {
+            clock_min: Some(RangeLimit {
+                min: Some(1400),
+                max: Some(3500),
+            }),
+            clock_max: Some(RangeLimit {
+                min: Some(400),
+                max: Some(3500),
+            }),
+            clock_step: Some(100),
+            tdp: None,
+            tdp_boost: None,
+            tdp_divisor: None,
+            tdp_step: None,
+            skip_resume_reclock: false,
+            extras: Default::default(),
+        }
+    }
+
+    fn default_steam_deck_oled() -> Self {
+        Self {
+            clock_min: Some(RangeLimit {
+                min: Some(1400),
+                max: Some(3500),
+            }),
+            clock_max: Some(RangeLimit {
+                min: Some(400),
+                max: Some(3500),
+            }),
+            clock_step: Some(100),
+            tdp: None,
+            tdp_boost: None,
+            tdp_divisor: None,
+            tdp_step: None,
+            skip_resume_reclock: false,
+            extras: super::LimitExtras {
+                experiments: false,
+                quirks: vec![
+                    "clock-autodetect".to_owned(),
+                ].into_iter().collect()
+            },
+        }
+    }
+
+    pub fn apply_override(&mut self, limit_override: Self) {
+        if let Some(range) = limit_override.clock_min {
+            if range.min.is_none() && range.max.is_none() {
+                self.clock_min = None;
+            } else {
+                self.clock_min = Some(range);
+            }
+        }
+        if let Some(range) = limit_override.clock_max {
+            if range.min.is_none() && range.max.is_none() {
+                self.clock_max = None;
+            } else {
+                self.clock_max = Some(range);
+            }
+        }
+        if let Some(val) = limit_override.clock_step {
+            self.clock_step = Some(val);
+        }
+        self.clock_step = limit_override.clock_step;
+        self.skip_resume_reclock = limit_override.skip_resume_reclock;
+        self.extras = limit_override.extras;
+    }
+}
diff --git a/backend/limits_core/src/json_v2/devel_message.rs b/backend/limits_core/src/json_v2/devel_message.rs
new file mode 100644
index 0000000..904968d
--- /dev/null
+++ b/backend/limits_core/src/json_v2/devel_message.rs
@@ -0,0 +1,14 @@
+use serde::{Deserialize, Serialize};
+
+/// Message from the developers
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct DeveloperMessage {
+    /// Message identifier
+    pub id: u64,
+    /// Message title
+    pub title: String,
+    /// Message content
+    pub body: String,
+    /// Link for further information
+    pub url: Option<String>,
+}
diff --git a/backend/limits_core/src/json_v2/gpu_limit.rs b/backend/limits_core/src/json_v2/gpu_limit.rs
new file mode 100644
index 0000000..d29ae6e
--- /dev/null
+++ b/backend/limits_core/src/json_v2/gpu_limit.rs
@@ -0,0 +1,204 @@
+use serde::{Deserialize, Serialize};
+use super::RangeLimit;
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+//#[serde(tag = "target")]
+pub enum GpuLimitType {
+    #[serde(rename = "GabeBoy", alias = "SteamDeck")]
+    SteamDeck,
+    #[serde(rename = "GabeBoySP", alias = "SteamDeckOLED")]
+    SteamDeckOLED,
+    Generic,
+    GenericAMD,
+    Unknown,
+    DevMode,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+pub struct GenericGpuLimit {
+    pub fast_ppt: Option<RangeLimit<u64>>,
+    pub fast_ppt_default: Option<u64>,
+    pub slow_ppt: Option<RangeLimit<u64>>,
+    pub slow_ppt_default: Option<u64>,
+    pub ppt_divisor: Option<u64>,
+    pub ppt_step: Option<u64>,
+    pub tdp: Option<RangeLimit<u64>>,
+    pub tdp_boost: Option<RangeLimit<u64>>,
+    pub tdp_divisor: Option<u64>,
+    pub tdp_step: Option<u64>,
+    pub clock_min: Option<RangeLimit<u64>>,
+    pub clock_max: Option<RangeLimit<u64>>,
+    pub clock_step: Option<u64>,
+    pub memory_clock: Option<RangeLimit<u64>>,
+    pub memory_clock_step: Option<u64>,
+    pub skip_resume_reclock: bool,
+    pub extras: super::LimitExtras,
+}
+
+impl GenericGpuLimit {
+    pub fn default_for(t: GpuLimitType) -> Self {
+        match t {
+            GpuLimitType::SteamDeck => Self::default_steam_deck(),
+            GpuLimitType::SteamDeckOLED => Self::default_steam_deck_oled(),
+            GpuLimitType::DevMode => Self::default_dev_mode(),
+            _t => Self::default(),
+        }
+    }
+
+    fn default_steam_deck() -> Self {
+        Self {
+            fast_ppt: Some(RangeLimit {
+                min: Some(1000000),
+                max: Some(30_000_000),
+            }),
+            fast_ppt_default: Some(15_000_000),
+            slow_ppt: Some(RangeLimit {
+                min: Some(1000000),
+                max: Some(29_000_000),
+            }),
+            slow_ppt_default: Some(15_000_000),
+            ppt_divisor: Some(1_000_000),
+            ppt_step: Some(1),
+            tdp: None,
+            tdp_boost: None,
+            tdp_divisor: None,
+            tdp_step: None,
+            clock_min: Some(RangeLimit {
+                min: Some(400),
+                max: Some(1600),
+            }),
+            clock_max: Some(RangeLimit {
+                min: Some(400),
+                max: Some(1600),
+            }),
+            clock_step: Some(100),
+            // LCD version is a bit broken on sysfs, but it's ok
+            memory_clock: Some(RangeLimit {
+                min: Some(400),
+                max: Some(800),
+            }),
+            memory_clock_step: Some(400),
+            skip_resume_reclock: false,
+            extras: super::LimitExtras {
+                experiments: false,
+                quirks: vec![
+                    "pp_dpm_fclk-reversed".to_owned(),
+                    "pp_dpm_fclk-not-updated-on-LCD".to_owned(),
+                    //"pp_dpm_fclk-static".to_owned(),
+                ].into_iter().collect(),
+            }
+        }
+    }
+
+    fn default_steam_deck_oled() -> Self {
+        let mut sd = Self::default_steam_deck();
+        sd.memory_clock_step = Some(200);
+        sd.extras.quirks.insert("clock-autodetect".to_owned());
+        sd
+    }
+
+    fn default_dev_mode() -> Self {
+        Self {
+            fast_ppt: Some(RangeLimit {
+                min: Some(3_000_000),
+                max: Some(11_000_000),
+            }),
+            fast_ppt_default: Some(10_000_000),
+            slow_ppt: Some(RangeLimit {
+                min: Some(7_000_000),
+                max: Some(11_000_000),
+            }),
+            slow_ppt_default: Some(10_000_000),
+            ppt_divisor: Some(1_000_000),
+            ppt_step: Some(1),
+            tdp: Some(RangeLimit { min: Some(1_000_000), max: Some(100_000_000) }),
+            tdp_boost: Some(RangeLimit { min: Some(1_000_000), max: Some(110_000_000) }),
+            tdp_divisor: Some(1_000_000),
+            tdp_step: Some(1),
+            clock_min: Some(RangeLimit {
+                min: Some(100),
+                max: Some(1000),
+            }),
+            clock_max: Some(RangeLimit {
+                min: Some(100),
+                max: Some(1100),
+            }),
+            clock_step: Some(100),
+            memory_clock: Some(RangeLimit {
+                min: Some(100),
+                max: Some(1100),
+            }),
+            memory_clock_step: Some(100),
+            skip_resume_reclock: false,
+            extras: super::LimitExtras {
+                experiments: true,
+                quirks: vec!["dev".to_owned()].into_iter().collect(),
+            },
+        }
+    }
+
+    pub fn apply_override(&mut self, limit_override: Self) {
+        if let Some(range) = limit_override.fast_ppt {
+            if range.min.is_none() && range.max.is_none() {
+                self.fast_ppt = None;
+            } else {
+                self.fast_ppt = Some(range);
+            }
+        }
+        if let Some(def) = limit_override.fast_ppt_default {
+            self.fast_ppt_default = Some(def);
+        }
+        if let Some(range) = limit_override.slow_ppt {
+            if range.min.is_none() && range.max.is_none() {
+                self.slow_ppt = None;
+            } else {
+                self.slow_ppt = Some(range);
+            }
+        }
+        if let Some(def) = limit_override.slow_ppt_default {
+            self.slow_ppt_default = Some(def);
+        }
+        if let Some(val) = limit_override.ppt_divisor {
+            self.ppt_divisor = Some(val);
+        }
+        if let Some(val) = limit_override.ppt_step {
+            self.ppt_step = Some(val);
+        }
+        if let Some(range) = limit_override.tdp {
+            if range.min.is_none() && range.max.is_none() {
+                self.tdp = None;
+            } else {
+                self.tdp = Some(range);
+            }
+        }
+        if let Some(range) = limit_override.tdp_boost {
+            if range.min.is_none() && range.max.is_none() {
+                self.tdp_boost = None;
+            } else {
+                self.tdp_boost = Some(range);
+            }
+        }
+        if let Some(val) = limit_override.tdp_step {
+            self.tdp_step = Some(val);
+        }
+        if let Some(range) = limit_override.clock_min {
+            if range.min.is_none() && range.max.is_none() {
+                self.clock_min = None;
+            } else {
+                self.clock_min = Some(range);
+            }
+        }
+        if let Some(range) = limit_override.clock_max {
+            if range.min.is_none() && range.max.is_none() {
+                self.clock_max = None;
+            } else {
+                self.clock_max = Some(range);
+            }
+        }
+        if let Some(val) = limit_override.clock_step {
+            self.clock_step = Some(val);
+        }
+        self.skip_resume_reclock = limit_override.skip_resume_reclock;
+        self.extras = limit_override.extras;
+    }
+}
diff --git a/backend/limits_core/src/json_v2/limits.rs b/backend/limits_core/src/json_v2/limits.rs
new file mode 100644
index 0000000..516d31c
--- /dev/null
+++ b/backend/limits_core/src/json_v2/limits.rs
@@ -0,0 +1,34 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Limits {
+    pub cpu: CpuLimit,
+    pub gpu: GpuLimit,
+    pub battery: BatteryLimit,
+}
+
+impl Limits {
+    pub fn apply_override(&mut self, limit_override: Option<Self>) {
+        if let Some(limit_override) = limit_override {
+            self.cpu.limits.apply_override(limit_override.cpu.limits);
+            self.gpu.limits.apply_override(limit_override.gpu.limits);
+            self.battery.limits.apply_override(limit_override.battery.limits);
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Limit<P, L> {
+    pub provider: P,
+    pub limits: L,
+}
+
+pub type CpuLimit = Limit<super::CpuLimitType, super::GenericCpusLimit>;
+pub type GpuLimit = Limit<super::GpuLimitType, super::GenericGpuLimit>;
+pub type BatteryLimit = Limit<super::BatteryLimitType, super::GenericBatteryLimit>;
+
+#[derive(Serialize, Deserialize, Debug, Clone, Default)]
+pub struct LimitExtras {
+    pub experiments: bool,
+    pub quirks: std::collections::HashSet<String>,
+}
diff --git a/backend/limits_core/src/json_v2/mod.rs b/backend/limits_core/src/json_v2/mod.rs
new file mode 100644
index 0000000..d863d7f
--- /dev/null
+++ b/backend/limits_core/src/json_v2/mod.rs
@@ -0,0 +1,21 @@
+mod base;
+mod battery_limit;
+mod conditions;
+mod config;
+mod cpu_limit;
+mod devel_message;
+mod gpu_limit;
+mod limits;
+mod range;
+mod target;
+
+pub use base::Base;
+pub use battery_limit::{BatteryLimitType, GenericBatteryLimit};
+pub use conditions::Conditions;
+pub use cpu_limit::{CpuLimitType, GenericCpusLimit, GenericCpuLimit};
+pub use devel_message::DeveloperMessage;
+pub use gpu_limit::{GpuLimitType, GenericGpuLimit};
+pub use config::Config;
+pub use limits::{Limits, Limit, CpuLimit, GpuLimit, BatteryLimit, LimitExtras};
+pub use range::RangeLimit;
+pub use target::Target;
diff --git a/backend/limits_core/src/json_v2/range.rs b/backend/limits_core/src/json_v2/range.rs
new file mode 100644
index 0000000..62de907
--- /dev/null
+++ b/backend/limits_core/src/json_v2/range.rs
@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+/// Base JSON limits information
+#[derive(Serialize, Deserialize, Debug, Clone, Copy)]
+pub struct RangeLimit<T> {
+    pub min: Option<T>,
+    pub max: Option<T>,
+}
diff --git a/backend/limits_core/src/json_v2/target.rs b/backend/limits_core/src/json_v2/target.rs
new file mode 100644
index 0000000..768df6f
--- /dev/null
+++ b/backend/limits_core/src/json_v2/target.rs
@@ -0,0 +1,9 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub enum Target {
+    SteamDeck,
+    SteamDeckAdvance,
+    Generic,
+    Unknown,
+}
diff --git a/backend/limits_core/src/lib.rs b/backend/limits_core/src/lib.rs
index 22fdbb3..11adaf7 100644
--- a/backend/limits_core/src/lib.rs
+++ b/backend/limits_core/src/lib.rs
@@ -1 +1,2 @@
 pub mod json;
+pub mod json_v2;
diff --git a/backend/limits_srv/Cargo.lock b/backend/limits_srv/Cargo.lock
index 1b8b3ee..ca8a790 100644
--- a/backend/limits_srv/Cargo.lock
+++ b/backend/limits_srv/Cargo.lock
@@ -433,15 +433,14 @@ checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
 [[package]]
 name = "limits_core"
-version = "2.0.1"
+version = "3.0.0"
 dependencies = [
  "serde",
- "serde_json",
 ]
 
 [[package]]
 name = "limits_srv"
-version = "2.0.1"
+version = "3.0.0"
 dependencies = [
  "chrono",
  "limits_core",
diff --git a/backend/limits_srv/Cargo.toml b/backend/limits_srv/Cargo.toml
index 2d529a8..18f52a6 100644
--- a/backend/limits_srv/Cargo.toml
+++ b/backend/limits_srv/Cargo.toml
@@ -1,12 +1,12 @@
 [package]
 name = "limits_srv"
-version = "2.0.1"
+version = "3.0.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-limits_core = { version = "2.0.1", path = "../limits_core" }
+limits_core = { version = "3.0.0", path = "../limits_core" }
 chrono = { version = "0.4" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
diff --git a/backend/limits_srv/pt_limits.json b/backend/limits_srv/pt_limits.json
index 2b34975..2e9264b 100644
--- a/backend/limits_srv/pt_limits.json
+++ b/backend/limits_srv/pt_limits.json
@@ -4,7 +4,7 @@
       "name": "Steam Deck Custom",
       "conditions": {
         "dmi": null,
-        "cpuinfo": "model name\t: AMD Custom APU 0405\n",
+        "cpuinfo": "model name\t: AMD Custom APU (0405)|(0932)\n",
         "os": null,
         "command": null,
         "file_exists": "./pt_oc.json"
@@ -28,7 +28,7 @@
       "name": "Steam Deck",
       "conditions": {
         "dmi": null,
-        "cpuinfo": "model name\t: AMD Custom APU 0405\n",
+        "cpuinfo": "model name\t: AMD Custom APU (0405)|(0932)\n",
         "os": null,
         "command": null,
         "file_exists": null
@@ -214,7 +214,7 @@
       "name": "AMD R7 6800U",
       "conditions": {
         "dmi": null,
-        "cpuinfo": "model name\t+: AMD Ryzen 7 6800U\n",
+        "cpuinfo": "model name\t+: AMD Ryzen 7 6800U( with Radeon Graphics)?\n",
         "os": null,
         "command": null,
         "file_exists": null
@@ -293,8 +293,8 @@
     {
       "id": 1,
       "title": "Welcome",
-      "body": "Thanks for installing PowerTools! For more information, please check the wiki. For bugs and requests, please create an issue on GitHub.",
-      "url": "https://github.com/NGnius/PowerTools/wiki"
+      "body": "Thanks for installing PowerTools! For more information, please check the wiki. For bugs and requests, please create an issue.",
+      "url": "https://git.ngni.us/NG-SD-Plugins/PowerTools/wiki"
     }
   ],
   "refresh": "http://limits.ngni.us:45000/powertools/v1"
diff --git a/backend/limits_srv/pt_limits_v2.json b/backend/limits_srv/pt_limits_v2.json
new file mode 100644
index 0000000..0fd8033
--- /dev/null
+++ b/backend/limits_srv/pt_limits_v2.json
@@ -0,0 +1,2725 @@
+{
+  "configs": [
+    {
+      "name": "Devs mode best mode",
+      "conditions": {
+        "dmi": null,
+        "cpuinfo": null,
+        "os": null,
+        "file_exists": "/etc/powertools_dev_mode"
+      },
+      "limits": {
+        "cpu": {
+          "provider": "DevMode",
+          "limits": {
+            "cpus": [
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 100,
+                  "max": 5000
+                },
+                "clock_max": {
+                  "min": 100,
+                  "max": 4800
+                },
+                "clock_step": 100,
+                "tdp": {
+                  "min": 1000000,
+                  "max": 100000000
+                },
+                "tdp_boost": {
+                  "min": 1000000,
+                  "max": 110000000
+                },
+                "tdp_divisor": 1000000,
+                "tdp_step": 1,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              }
+            ],
+            "global_governors": true,
+            "extras": {
+              "experiments": true,
+              "quirks": [
+                ""
+              ]
+            }
+          }
+        },
+        "gpu": {
+          "provider": "DevMode",
+          "limits": {
+            "fast_ppt": {
+              "min": 3000000,
+              "max": 11000000
+            },
+            "fast_ppt_default": 10000000,
+            "slow_ppt": {
+              "min": 7000000,
+              "max": 11000000
+            },
+            "slow_ppt_default": 10000000,
+            "ppt_divisor": 1000000,
+            "ppt_step": 1,
+            "tdp": {
+              "min": 1000000,
+              "max": 100000000
+            },
+            "tdp_boost": {
+              "min": 1000000,
+              "max": 110000000
+            },
+            "tdp_divisor": 1000000,
+            "tdp_step": 1,
+            "clock_min": {
+              "min": 100,
+              "max": 1000
+            },
+            "clock_max": {
+              "min": 100,
+              "max": 1100
+            },
+            "clock_step": 100,
+            "memory_clock": {
+              "min": 100,
+              "max": 1100
+            },
+            "memory_clock_step": 100,
+            "skip_resume_reclock": false,
+            "extras": {
+              "experiments": true,
+              "quirks": [
+                "dev"
+              ]
+            }
+          }
+        },
+        "battery": {
+          "provider": "DevMode",
+          "limits": {
+            "charge_rate": {
+              "min": 0,
+              "max": 1000
+            },
+            "charge_modes": [
+              "normal",
+              "discharge",
+              "idle"
+            ],
+            "charge_limit": {
+              "min": 1.0,
+              "max": 99.0
+            },
+            "extra_readouts": true,
+            "extras": {
+              "experiments": true,
+              "quirks": [
+                ""
+              ]
+            }
+          }
+        }
+      }
+    },
+    {
+      "name": "Steam Deck",
+      "conditions": {
+        "dmi": null,
+        "cpuinfo": "model name\t: AMD Custom APU 0405\n",
+        "os": null,
+        "file_exists": null
+      },
+      "limits": {
+        "cpu": {
+          "provider": "GabeBoy",
+          "limits": {
+            "cpus": [
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 1400,
+                  "max": 3500
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 3500
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              }
+            ],
+            "global_governors": true,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        },
+        "gpu": {
+          "provider": "GabeBoy",
+          "limits": {
+            "fast_ppt": {
+              "min": 1000000,
+              "max": 30000000
+            },
+            "fast_ppt_default": 15000000,
+            "slow_ppt": {
+              "min": 1000000,
+              "max": 29000000
+            },
+            "slow_ppt_default": 15000000,
+            "ppt_divisor": 1000000,
+            "ppt_step": 1,
+            "tdp": null,
+            "tdp_boost": null,
+            "tdp_divisor": null,
+            "tdp_step": null,
+            "clock_min": {
+              "min": 400,
+              "max": 1600
+            },
+            "clock_max": {
+              "min": 400,
+              "max": 1600
+            },
+            "clock_step": 100,
+            "memory_clock": {
+              "min": 400,
+              "max": 800
+            },
+            "memory_clock_step": 400,
+            "skip_resume_reclock": false,
+            "extras": {
+              "experiments": false,
+              "quirks": [
+                "pp_dpm_fclk-reversed",
+                "pp_dpm_fclk-not-updated-on-LCD"
+              ]
+            }
+          }
+        },
+        "battery": {
+          "provider": "GabeBoy",
+          "limits": {
+            "charge_rate": {
+              "min": 250,
+              "max": 2500
+            },
+            "charge_modes": [
+              "normal",
+              "discharge",
+              "idle"
+            ],
+            "charge_limit": {
+              "min": 10.0,
+              "max": 90.0
+            },
+            "extra_readouts": false,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        }
+      }
+    },
+    {
+      "name": "Steam Deck OLED",
+      "conditions": {
+        "dmi": null,
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+                }
+              },
+              {
+                "clock_min": {
+                  "min": 400,
+                  "max": 5100
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 5100
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 400,
+                  "max": 5100
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 5100
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": {
+                  "min": 400,
+                  "max": 5100
+                },
+                "clock_max": {
+                  "min": 400,
+                  "max": 5100
+                },
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              }
+            ],
+            "global_governors": true,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        },
+        "gpu": {
+          "provider": "GenericAMD",
+          "limits": {
+            "fast_ppt": {
+              "min": 1000,
+              "max": 53000
+            },
+            "fast_ppt_default": null,
+            "slow_ppt": {
+              "min": 1000,
+              "max": 43000
+            },
+            "slow_ppt_default": null,
+            "ppt_divisor": 1000,
+            "ppt_step": 1000,
+            "tdp": null,
+            "tdp_boost": null,
+            "tdp_divisor": null,
+            "tdp_step": null,
+            "clock_min": null,
+            "clock_max": null,
+            "clock_step": null,
+            "memory_clock": null,
+            "memory_clock_step": null,
+            "skip_resume_reclock": false,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        },
+        "battery": {
+          "provider": "Generic",
+          "limits": {
+            "charge_rate": null,
+            "charge_modes": [],
+            "charge_limit": null,
+            "extra_readouts": false,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        }
+      }
+    },
+    {
+      "name": "Fallback",
+      "conditions": {
+        "dmi": null,
+        "cpuinfo": null,
+        "os": null,
+        "file_exists": null
+      },
+      "limits": {
+        "cpu": {
+          "provider": "Unknown",
+          "limits": {
+            "cpus": [
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              },
+              {
+                "clock_min": null,
+                "clock_max": null,
+                "clock_step": 100,
+                "tdp": null,
+                "tdp_boost": null,
+                "tdp_divisor": null,
+                "tdp_step": null,
+                "skip_resume_reclock": false,
+                "extras": {
+                  "experiments": false,
+                  "quirks": []
+                }
+              }
+            ],
+            "global_governors": true,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        },
+        "gpu": {
+          "provider": "Unknown",
+          "limits": {
+            "fast_ppt": null,
+            "fast_ppt_default": null,
+            "slow_ppt": null,
+            "slow_ppt_default": null,
+            "ppt_divisor": null,
+            "ppt_step": null,
+            "tdp": null,
+            "tdp_boost": null,
+            "tdp_divisor": null,
+            "tdp_step": null,
+            "clock_min": null,
+            "clock_max": null,
+            "clock_step": null,
+            "memory_clock": null,
+            "memory_clock_step": null,
+            "skip_resume_reclock": false,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        },
+        "battery": {
+          "provider": "Unknown",
+          "limits": {
+            "charge_rate": null,
+            "charge_modes": [],
+            "charge_limit": null,
+            "extra_readouts": false,
+            "extras": {
+              "experiments": false,
+              "quirks": []
+            }
+          }
+        }
+      }
+    }
+  ],
+  "messages": [
+    {
+      "id": 1,
+      "title": "Welcome",
+      "body": "Thanks for installing PowerTools! For more information, please check the wiki. For bugs and requests, please create an issue.",
+      "url": "https://git.ngni.us/NG-SD-Plugins/PowerTools/wiki"
+    }
+  ],
+  "store": "https://powertools.ngni.us",
+  "refresh": "http://limits.ngni.us:45000/powertools/v2"
+}
\ No newline at end of file
diff --git a/backend/limits_srv/src/main.rs b/backend/limits_srv/src/main.rs
index 10a03af..6e33b45 100644
--- a/backend/limits_srv/src/main.rs
+++ b/backend/limits_srv/src/main.rs
@@ -4,46 +4,61 @@ use std::sync::{RwLock, Arc};
 use serde::Serialize;
 use warp::Filter;
 
-use limits_core::json::Base;
-
-static VISIT_COUNT: AtomicU64 = AtomicU64::new(0);
+static VISIT_V1_COUNT: AtomicU64 = AtomicU64::new(0);
+static VISIT_V2_COUNT: AtomicU64 = AtomicU64::new(0);
 
 static START_TIME: AtomicI64 = AtomicI64::new(0);
 
-fn get_limits(base: Base) -> impl warp::Reply {
-    VISIT_COUNT.fetch_add(1, Ordering::AcqRel);
+fn get_limits_v1(base: &limits_core::json::Base) -> impl warp::Reply {
+    VISIT_V1_COUNT.fetch_add(1, Ordering::AcqRel);
     //println!("Limits got");
-    warp::reply::json(&base)
+    warp::reply::json(base)
+}
+
+fn get_limits_v2(base: &limits_core::json_v2::Base) -> impl warp::Reply {
+    VISIT_V2_COUNT.fetch_add(1, Ordering::AcqRel);
+    //println!("Limits got");
+    warp::reply::json(base)
 }
 
 #[derive(Serialize)]
 struct Visits {
-    visits: u64,
+    visits_v1: u64,
+    visits_v2: u64,
     since: i64, // Unix time (since epoch)
 }
 
 fn get_visits() -> impl warp::Reply {
-    let count = VISIT_COUNT.load(Ordering::Relaxed);
+    let count_v1 = VISIT_V1_COUNT.load(Ordering::Relaxed);
+    let count_v2 = VISIT_V2_COUNT.load(Ordering::Relaxed);
     let start = START_TIME.load(Ordering::Relaxed);
     //println!("Count got");
     warp::reply::json(&Visits {
-        visits: count,
+        visits_v1: count_v1,
+        visits_v2: count_v2,
         since: start,
     })
 }
 
 #[allow(opaque_hidden_inferred_bound)]
-fn routes(base: Arc<RwLock<Base>>) -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
+fn routes(base: Arc<RwLock<limits_core::json::Base>>, base2: Arc<RwLock<limits_core::json_v2::Base>>) -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
     warp::get().and(
         warp::path!("powertools" / "v1")
             .map(move || {
-                let base = base.read().expect("Failed to acquire base limits read lock").clone();
-                get_limits(base)
+                let base = base.read().expect("Failed to acquire base limits read lock");
+                get_limits_v1(&base)
             })
         .or(
             warp::path!("powertools" / "count")
                 .map(get_visits)
         )
+        .or(
+            warp::path!("powertools" / "v2")
+            .map(move || {
+                let base2 = base2.read().expect("Failed to acquire base limits read lock");
+                get_limits_v2(&base2)
+            })
+        )
     ).recover(recovery)
 }
 
@@ -59,10 +74,14 @@ pub async fn recovery(reject: warp::Rejection) -> Result<impl warp::Reply, warp:
 async fn main() {
     START_TIME.store(chrono::Utc::now().timestamp(), Ordering::Relaxed);
     let file = std::fs::File::open("./pt_limits.json").expect("Failed to read limits file");
-    let limits: Base = serde_json::from_reader(file).expect("Failed to parse limits file");
+    let limits: limits_core::json::Base = serde_json::from_reader(file).expect("Failed to parse limits file");
     assert!(limits.refresh.is_some(), "`refresh` cannot be null, since it will brick future refreshes");
 
-    warp::serve(routes(Arc::new(RwLock::new(limits))))
+    let file = std::fs::File::open("./pt_limits_v2.json").expect("Failed to read limits file");
+    let limits_v2: limits_core::json_v2::Base = serde_json::from_reader(file).expect("Failed to parse limits file");
+    assert!(limits_v2.refresh.is_some(), "`refresh` cannot be null, since it will brick future refreshes");
+
+    warp::serve(routes(Arc::new(RwLock::new(limits)), Arc::new(RwLock::new(limits_v2))))
         .run(([0, 0, 0, 0], 8080))
         .await;
 }
@@ -75,4 +94,11 @@ mod test {
         let output_file = std::fs::File::create("./pt_limits.json").unwrap();
         serde_json::to_writer_pretty(output_file, &limits).unwrap();
     }
+
+    #[test]
+    fn generate_default_pt_limits_v2() {
+        let limits = limits_core::json_v2::Base::default();
+        let output_file = std::fs::File::create("./pt_limits_v2.json").unwrap();
+        serde_json::to_writer_pretty(output_file, &limits).unwrap();
+    }
 }
diff --git a/backend/src/api/api_types.rs b/backend/src/api/api_types.rs
index 8d72107..662b899 100644
--- a/backend/src/api/api_types.rs
+++ b/backend/src/api/api_types.rs
@@ -51,7 +51,9 @@ pub struct GeneralLimits {}
 #[derive(Serialize, Deserialize)]
 pub struct GpuLimits {
     pub fast_ppt_limits: Option<RangeLimit<u64>>,
+    pub fast_ppt_default: u64,
     pub slow_ppt_limits: Option<RangeLimit<u64>>,
+    pub slow_ppt_default: u64,
     pub ppt_step: u64,
     pub tdp_limits: Option<RangeLimit<u64>>,
     pub tdp_boost_limits: Option<RangeLimit<u64>>,
@@ -59,5 +61,13 @@ pub struct GpuLimits {
     pub clock_min_limits: Option<RangeLimit<u64>>,
     pub clock_max_limits: Option<RangeLimit<u64>>,
     pub clock_step: u64,
-    pub memory_control_capable: bool,
+    pub memory_control: Option<RangeLimit<u64>>,
+    pub memory_step: u64,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct VariantInfo {
+    pub id: String,
+    pub name: String,
+    pub id_num: u64,
 }
diff --git a/backend/src/api/general.rs b/backend/src/api/general.rs
index 9cda1c2..806347a 100644
--- a/backend/src/api/general.rs
+++ b/backend/src/api/general.rs
@@ -55,18 +55,44 @@ pub fn load_settings(
     sender: Sender<ApiMessage>,
 ) -> impl Fn(super::ApiParameterType) -> super::ApiParameterType {
     let sender = Mutex::new(sender); // Sender is not Sync; this is required for safety
-    let setter = move |path: u64, name: String| {
+    let setter = move |id: u64, name: String, variant: u64, variant_name: Option<String>| {
         sender
             .lock()
             .unwrap()
-            .send(ApiMessage::LoadSettings(path, name))
+            .send(ApiMessage::LoadSettings(
+                id,
+                name,
+                variant,
+                variant_name
+                    .unwrap_or_else(|| crate::consts::DEFAULT_SETTINGS_VARIANT_NAME.to_owned()),
+            ))
             .expect("load_settings send failed")
     };
     move |params_in: super::ApiParameterType| {
         if let Some(Primitive::String(id)) = params_in.get(0) {
             if let Some(Primitive::String(name)) = params_in.get(1) {
-                setter(id.parse().unwrap_or_default(), name.to_owned());
-                vec![true.into()]
+                if let Some(Primitive::String(variant_id)) = params_in.get(2) {
+                    if let Some(Primitive::String(variant_name)) = params_in.get(3) {
+                        setter(
+                            id.parse().unwrap_or_default(),
+                            name.to_owned(),
+                            variant_id.parse().unwrap_or_default(),
+                            Some(variant_name.to_owned()),
+                        );
+                        vec![true.into()]
+                    } else {
+                        setter(
+                            id.parse().unwrap_or_default(),
+                            name.to_owned(),
+                            variant_id.parse().unwrap_or_default(),
+                            None,
+                        );
+                        vec![true.into()]
+                    }
+                } else {
+                    log::warn!("load_settings missing variant id parameter");
+                    vec!["load_settings missing variant id parameter".into()]
+                }
             } else {
                 log::warn!("load_settings missing name parameter");
                 vec!["load_settings missing name parameter".into()]
@@ -79,6 +105,45 @@ pub fn load_settings(
     }
 }
 
+/// Generate load app settings from file web method
+pub fn load_variant(
+    sender: Sender<ApiMessage>,
+) -> impl Fn(super::ApiParameterType) -> super::ApiParameterType {
+    let sender = Mutex::new(sender); // Sender is not Sync; this is required for safety
+    let setter = move |variant: u64, variant_name: Option<String>| {
+        log::debug!(
+            "load_variant(variant: {}, variant_name: {:?})",
+            variant,
+            variant_name
+        );
+        sender
+            .lock()
+            .unwrap()
+            .send(ApiMessage::LoadVariant(
+                variant,
+                variant_name.unwrap_or_else(|| "".to_owned()),
+            ))
+            .expect("load_variant send failed")
+    };
+    move |params_in: super::ApiParameterType| {
+        if let Some(Primitive::String(variant_id)) = params_in.get(0) {
+            if let Some(Primitive::String(variant_name)) = params_in.get(1) {
+                setter(
+                    variant_id.parse().unwrap_or(u64::MAX),
+                    Some(variant_name.to_owned()),
+                );
+                vec![true.into()]
+            } else {
+                setter(variant_id.parse().unwrap_or(u64::MAX), None);
+                vec![true.into()]
+            }
+        } else {
+            log::warn!("load_variant missing variant id parameter");
+            vec!["load_variant missing variant id parameter".into()]
+        }
+    }
+}
+
 /// Generate load default settings from file web method
 pub fn load_default_settings(
     sender: Sender<ApiMessage>,
@@ -329,32 +394,60 @@ pub fn get_periodicals(sender: Sender<ApiMessage>) -> impl AsyncCallable {
         let sender2 = sender.clone();
         move || {
             let (rx_curr, callback_curr) = build_comms("battery current callback send failed");
-            let (rx_charge_now, callback_charge_now) = build_comms("battery charge now callback send failed");
-            let (rx_charge_full, callback_charge_full) = build_comms("battery charge full callback send failed");
-            let (rx_charge_power, callback_charge_power) = build_comms("battery charge power callback send failed");
+            let (rx_charge_now, callback_charge_now) =
+                build_comms("battery charge now callback send failed");
+            let (rx_charge_full, callback_charge_full) =
+                build_comms("battery charge full callback send failed");
+            let (rx_charge_power, callback_charge_power) =
+                build_comms("battery charge power callback send failed");
 
             let (rx_path, callback_path) = build_comms("general get path (periodical) send failed");
 
-            let sender_locked = sender2
-                .lock()
-                .unwrap();
-            let curr = wait_for_response(&*sender_locked, rx_curr,
-                    ApiMessage::Battery(super::handler::BatteryMessage::ReadCurrentNow(callback_curr)), "battery current");
-            let charge_now = wait_for_response(&*sender_locked, rx_charge_now,
-                    ApiMessage::Battery(super::handler::BatteryMessage::ReadChargeNow(callback_charge_now)), "battery charge now");
-            let charge_full = wait_for_response(&*sender_locked, rx_charge_full,
-                    ApiMessage::Battery(super::handler::BatteryMessage::ReadChargeFull(callback_charge_full)), "battery charge full");
-            let charge_power = wait_for_response(&*sender_locked, rx_charge_power,
-                    ApiMessage::Battery(super::handler::BatteryMessage::ReadChargePower(callback_charge_power)), "battery charge power");
+            let sender_locked = sender2.lock().unwrap();
+            let curr = wait_for_response(
+                &*sender_locked,
+                rx_curr,
+                ApiMessage::Battery(super::handler::BatteryMessage::ReadCurrentNow(
+                    callback_curr,
+                )),
+                "battery current",
+            );
+            let charge_now = wait_for_response(
+                &*sender_locked,
+                rx_charge_now,
+                ApiMessage::Battery(super::handler::BatteryMessage::ReadChargeNow(
+                    callback_charge_now,
+                )),
+                "battery charge now",
+            );
+            let charge_full = wait_for_response(
+                &*sender_locked,
+                rx_charge_full,
+                ApiMessage::Battery(super::handler::BatteryMessage::ReadChargeFull(
+                    callback_charge_full,
+                )),
+                "battery charge full",
+            );
+            let charge_power = wait_for_response(
+                &*sender_locked,
+                rx_charge_power,
+                ApiMessage::Battery(super::handler::BatteryMessage::ReadChargePower(
+                    callback_charge_power,
+                )),
+                "battery charge power",
+            );
 
-            let settings_path = wait_for_response(&*sender_locked, rx_path,
-                    ApiMessage::General(GeneralMessage::GetPath(callback_path)), "general get path");
+            let settings_path = wait_for_response(
+                &*sender_locked,
+                rx_path,
+                ApiMessage::General(GeneralMessage::GetPath(callback_path)),
+                "general get path",
+            );
             vec![
                 super::utility::map_optional(curr),
                 super::utility::map_optional(charge_now),
                 super::utility::map_optional(charge_full),
                 super::utility::map_optional(charge_power),
-
                 super::utility::map_optional(settings_path.to_str()),
             ]
         }
@@ -365,13 +458,89 @@ pub fn get_periodicals(sender: Sender<ApiMessage>) -> impl AsyncCallable {
     }
 }
 
-fn build_comms<'a, T: Send + 'a>(msg: &'static str) -> (mpsc::Receiver<T>, Box<dyn FnOnce(T) + Send + 'a>) {
+fn build_comms<'a, T: Send + 'a>(
+    msg: &'static str,
+) -> (mpsc::Receiver<T>, Box<dyn FnOnce(T) + Send + 'a>) {
     let (tx, rx) = mpsc::channel();
     let callback = move |t: T| tx.send(t).expect(msg);
     (rx, Box::new(callback))
 }
 
-fn wait_for_response<T>(sender: &Sender<ApiMessage>, rx: mpsc::Receiver<T>, api_msg: ApiMessage, op: &str) -> T {
+fn wait_for_response<T>(
+    sender: &Sender<ApiMessage>,
+    rx: mpsc::Receiver<T>,
+    api_msg: ApiMessage,
+    op: &str,
+) -> T {
     sender.send(api_msg).expect(&format!("{} send failed", op));
     rx.recv().expect(&format!("{} callback recv failed", op))
 }
+
+/// Generate get variants
+pub fn get_all_variants(sender: Sender<ApiMessage>) -> impl AsyncCallable {
+    let sender = Arc::new(Mutex::new(sender)); // Sender is not Sync; this is required for safety
+    let getter = move || {
+        let sender2 = sender.clone();
+        move || {
+            let (tx, rx) = mpsc::channel();
+            let callback = move |variants: Vec<super::VariantInfo>| {
+                tx.send(variants)
+                    .expect("get_all_variants callback send failed")
+            };
+            sender2
+                .lock()
+                .unwrap()
+                .send(ApiMessage::General(GeneralMessage::GetAllVariants(
+                    Box::new(callback),
+                )))
+                .expect("get_all_variants send failed");
+            let mut results = rx.recv().expect("get_all_variants callback recv failed");
+            results.sort_by_key(|info| info.id_num); // sort by variant id
+            results
+        }
+    };
+    super::async_utils::AsyncIshGetter {
+        set_get: getter,
+        trans_getter: |result| {
+            let mut output = Vec::with_capacity(result.len());
+            for status in result.iter() {
+                output.push(Primitive::Json(
+                    serde_json::to_string(status)
+                        .expect("Failed to serialize variant info to JSON"),
+                ));
+            }
+            output
+        },
+    }
+}
+
+/// Generate get current variant
+pub fn get_current_variant(sender: Sender<ApiMessage>) -> impl AsyncCallable {
+    let sender = Arc::new(Mutex::new(sender)); // Sender is not Sync; this is required for safety
+    let getter = move || {
+        let sender2 = sender.clone();
+        move || {
+            let (tx, rx) = mpsc::channel();
+            let callback = move |variant: super::VariantInfo| {
+                tx.send(variant)
+                    .expect("get_all_variants callback send failed")
+            };
+            sender2
+                .lock()
+                .unwrap()
+                .send(ApiMessage::General(GeneralMessage::GetCurrentVariant(
+                    Box::new(callback),
+                )))
+                .expect("get_current_variant send failed");
+            rx.recv().expect("get_current_variant callback recv failed")
+        }
+    };
+    super::async_utils::AsyncIshGetter {
+        set_get: getter,
+        trans_getter: |result| {
+            vec![Primitive::Json(
+                serde_json::to_string(&result).expect("Failed to serialize variant info to JSON"),
+            )]
+        },
+    }
+}
diff --git a/backend/src/api/gpu.rs b/backend/src/api/gpu.rs
index 320a331..f8b178d 100644
--- a/backend/src/api/gpu.rs
+++ b/backend/src/api/gpu.rs
@@ -160,17 +160,17 @@ pub fn set_slow_memory(
     sender: Sender<ApiMessage>,
 ) -> impl Fn(super::ApiParameterType) -> super::ApiParameterType {
     let sender = Mutex::new(sender); // Sender is not Sync; this is required for safety
-    let setter = move |value: bool| {
+    let setter = move |value: u64| {
         sender
             .lock()
             .unwrap()
-            .send(ApiMessage::Gpu(GpuMessage::SetSlowMemory(value)))
+            .send(ApiMessage::Gpu(GpuMessage::SetMemoryClock(Some(value))))
             .expect("unset_clock_limits send failed")
     };
     move |params_in: super::ApiParameterType| {
-        if let Some(&Primitive::Bool(memory_is_slow)) = params_in.get(0) {
-            setter(memory_is_slow);
-            vec![memory_is_slow.into()]
+        if let Some(&Primitive::F64(mem_clock)) = params_in.get(0) {
+            setter(mem_clock as _);
+            vec![mem_clock.into()]
         } else {
             vec!["set_slow_memory missing parameter 0".into()]
         }
@@ -183,14 +183,14 @@ pub fn get_slow_memory(sender: Sender<ApiMessage>) -> impl AsyncCallable {
         let sender2 = sender.clone();
         move || {
             let (tx, rx) = mpsc::channel();
-            let callback = move |value: bool| {
+            let callback = move |value: Option<u64>| {
                 tx.send(value)
                     .expect("get_slow_memory callback send failed")
             };
             sender2
                 .lock()
                 .unwrap()
-                .send(ApiMessage::Gpu(GpuMessage::GetSlowMemory(Box::new(
+                .send(ApiMessage::Gpu(GpuMessage::GetMemoryClock(Box::new(
                     callback,
                 ))))
                 .expect("get_slow_memory send failed");
@@ -199,6 +199,23 @@ pub fn get_slow_memory(sender: Sender<ApiMessage>) -> impl AsyncCallable {
     };
     super::async_utils::AsyncIshGetter {
         set_get: getter,
-        trans_getter: |value: bool| vec![value.into()],
+        trans_getter: |value: Option<u64>| vec![super::utility::map_optional(value)],
+    }
+}
+
+pub fn unset_slow_memory(
+    sender: Sender<ApiMessage>,
+) -> impl Fn(super::ApiParameterType) -> super::ApiParameterType {
+    let sender = Mutex::new(sender); // Sender is not Sync; this is required for safety
+    let setter = move || {
+        sender
+            .lock()
+            .unwrap()
+            .send(ApiMessage::Gpu(GpuMessage::SetMemoryClock(None)))
+            .expect("unset_slow_memory send failed")
+    };
+    move |_: super::ApiParameterType| {
+        setter();
+        vec![true.into()]
     }
 }
diff --git a/backend/src/api/handler.rs b/backend/src/api/handler.rs
index 60316c9..5058eab 100644
--- a/backend/src/api/handler.rs
+++ b/backend/src/api/handler.rs
@@ -3,9 +3,9 @@ use std::sync::mpsc::{self, Receiver, Sender};
 
 use crate::persist::SettingsJson;
 use crate::settings::{
-    MinMax, OnPowerEvent, OnResume, OnSet, PowerMode, Settings, TBattery, TCpus, TGeneral, TGpu,
+    MinMax, OnLoad, OnPowerEvent, OnResume, OnSet, OnUnload, PowerMode, Settings, TBattery, TCpus,
+    TGeneral, TGpu,
 };
-use crate::utility::unwrap_maybe_fatal;
 
 type Callback<T> = Box<dyn FnOnce(T) + Send>;
 
@@ -23,11 +23,13 @@ pub enum ApiMessage {
     OnChargeChange(f64), // battery fill amount: 0 = empty, 1 = full
     PowerVibeCheck,
     WaitForEmptyQueue(Callback<()>),
-    LoadSettings(u64, String), // (path, name)
+    LoadSettings(u64, String, u64, String), // (path, name, variant, variant name)
+    LoadVariant(u64, String), // (variant, variant name) -- path and name assumed to be for current profile
     LoadMainSettings,
     LoadSystemSettings,
     GetLimits(Callback<super::SettingsLimits>),
     GetProvider(String, Callback<crate::persist::DriverJson>),
+    UploadCurrentVariant(String, String), // SteamID, Steam username
 }
 
 pub enum BatteryMessage {
@@ -65,7 +67,10 @@ impl BatteryMessage {
 
     /// Message instructs the driver to modify settings
     fn is_modify(&self) -> bool {
-        matches!(self, Self::SetChargeRate(_) | Self::SetChargeMode(_))
+        matches!(
+            self,
+            Self::SetChargeRate(_) | Self::SetChargeMode(_) | Self::SetChargeLimit(_)
+        )
     }
 }
 
@@ -197,8 +202,8 @@ pub enum GpuMessage {
     GetPpt(Callback<(Option<u64>, Option<u64>)>),
     SetClockLimits(Option<MinMax<u64>>),
     GetClockLimits(Callback<Option<MinMax<u64>>>),
-    SetSlowMemory(bool),
-    GetSlowMemory(Callback<bool>),
+    SetMemoryClock(Option<u64>),
+    GetMemoryClock(Callback<Option<u64>>),
 }
 
 impl GpuMessage {
@@ -209,8 +214,8 @@ impl GpuMessage {
             Self::GetPpt(cb) => cb(settings.get_ppt()),
             Self::SetClockLimits(clocks) => settings.clock_limits(clocks),
             Self::GetClockLimits(cb) => cb(settings.get_clock_limits().map(|x| x.to_owned())),
-            Self::SetSlowMemory(val) => *settings.slow_memory() = val,
-            Self::GetSlowMemory(cb) => cb(*settings.slow_memory()),
+            Self::SetMemoryClock(val) => settings.memory_clock(val),
+            Self::GetMemoryClock(cb) => cb(settings.get_memory_clock()),
         }
         dirty
     }
@@ -218,7 +223,7 @@ impl GpuMessage {
     fn is_modify(&self) -> bool {
         matches!(
             self,
-            Self::SetPpt(_, _) | Self::SetClockLimits(_) | Self::SetSlowMemory(_)
+            Self::SetPpt(_, _) | Self::SetClockLimits(_) | Self::SetMemoryClock(_)
         )
     }
 }
@@ -228,6 +233,12 @@ pub enum GeneralMessage {
     GetPersistent(Callback<bool>),
     GetCurrentProfileName(Callback<String>),
     GetPath(Callback<std::path::PathBuf>),
+    GetCurrentVariant(Callback<super::VariantInfo>),
+    GetAllVariants(Callback<Vec<super::VariantInfo>>),
+    AddVariant(
+        crate::persist::SettingsJson,
+        Callback<Vec<super::VariantInfo>>,
+    ),
     ApplyNow,
 }
 
@@ -239,6 +250,18 @@ impl GeneralMessage {
             Self::GetPersistent(cb) => cb(*settings.persistent()),
             Self::GetCurrentProfileName(cb) => cb(settings.get_name().to_owned()),
             Self::GetPath(cb) => cb(settings.get_path().to_owned()),
+            Self::GetCurrentVariant(cb) => cb(settings.get_variant_info()),
+            Self::GetAllVariants(cb) => cb(settings.get_variants()),
+            Self::AddVariant(variant, cb) => match settings.add_variant(variant) {
+                Ok(variants) => cb(variants),
+                Err(e) => {
+                    print_errors(
+                        "GeneralMessage::AddVariant => TGeneral::add_variant",
+                        vec![e],
+                    );
+                    cb(Vec::with_capacity(0))
+                }
+            },
             Self::ApplyNow => {}
         }
         dirty
@@ -264,6 +287,7 @@ fn print_errors(call_name: &str, errors: Vec<crate::settings::SettingError>) {
 
 impl ApiMessageHandler {
     pub fn process_forever(&mut self, settings: &mut Settings) {
+        crate::utility::ioperm_power_ec();
         //let mut dirty_echo = true; // set everything twice, to make sure PowerTools wins on race conditions
         while let Ok(msg) = self.intake.recv() {
             let mut dirty = self.process(settings, msg);
@@ -286,22 +310,23 @@ impl ApiMessageHandler {
                 // save
                 log::debug!("api_worker is saving...");
                 let is_persistent = *settings.general.persistent();
-                let save_path =
-                    crate::utility::settings_dir().join(settings.general.get_path().clone());
+                let save_path = crate::utility::settings_dir().join(settings.general.get_path());
                 if is_persistent {
                     let settings_clone = settings.json();
                     let save_json: SettingsJson = settings_clone.into();
-                    unwrap_maybe_fatal(save_json.save(&save_path), "Failed to save settings");
-                    if let Some(event) = &settings.general.on_event().on_save {
-                        if !event.is_empty() {
-                            unwrap_maybe_fatal(
-                                std::process::Command::new("/bin/bash")
-                                    .args(&["-c", event])
-                                    .spawn(),
-                                "Failed to start on_save event command",
-                            );
-                        }
+                    if let Err(e) = crate::persist::FileJson::update_variant_or_create(
+                        &save_path,
+                        settings.general.get_app_id(),
+                        save_json,
+                        settings.general.get_name().to_owned(),
+                    ) {
+                        log::error!(
+                            "Failed to create/update settings file {}: {}",
+                            save_path.display(),
+                            e
+                        );
                     }
+                    //unwrap_maybe_fatal(save_json.save(&save_path), "Failed to save settings");
                     log::debug!("Saved settings to {}", save_path.display());
                     if let Err(e) = crate::utility::chown_settings_dir() {
                         log::error!("Failed to change config dir permissions: {}", e);
@@ -375,27 +400,74 @@ impl ApiMessageHandler {
                 self.on_empty.push(callback);
                 false
             }
-            ApiMessage::LoadSettings(id, name) => {
-                let path = format!("{}.json", id);
-                match settings.load_file(path.into(), name, false) {
+            ApiMessage::LoadSettings(id, name, variant_id, variant_name) => {
+                let path = format!("{}.ron", id);
+                if let Err(e) = settings.on_unload() {
+                    print_errors("LoadSettings on_unload()", e);
+                }
+                match settings.load_file(path.into(), id, name, variant_id, variant_name, false) {
                     Ok(success) => log::info!("Loaded settings file? {}", success),
                     Err(e) => log::warn!("Load file err: {}", e),
                 }
+                if let Err(e) = settings.on_load() {
+                    print_errors("LoadSettings on_load()", e);
+                }
+                true
+            }
+            ApiMessage::LoadVariant(variant_id, variant_name) => {
+                if let Err(e) = settings.on_unload() {
+                    print_errors("LoadVariant on_unload()", e);
+                }
+                let path = settings.general.get_path();
+                let app_id = settings.general.get_app_id();
+                match settings.load_file(
+                    path.into(),
+                    app_id,
+                    settings.general.get_name().to_owned(),
+                    variant_id,
+                    variant_name,
+                    false,
+                ) {
+                    Ok(success) => log::info!("Loaded variant settings file? {}", success),
+                    Err(e) => log::warn!("Load file err: {}", e),
+                }
+                if let Err(e) = settings.on_load() {
+                    print_errors("LoadVariant on_load()", e);
+                }
                 true
             }
             ApiMessage::LoadMainSettings => {
+                if let Err(e) = settings.on_unload() {
+                    print_errors("LoadMainSettings on_unload()", e);
+                }
                 match settings.load_file(
                     crate::consts::DEFAULT_SETTINGS_FILE.into(),
+                    0,
                     crate::consts::DEFAULT_SETTINGS_NAME.to_owned(),
+                    0,
+                    crate::consts::DEFAULT_SETTINGS_VARIANT_NAME.to_owned(),
                     true,
                 ) {
                     Ok(success) => log::info!("Loaded main settings file? {}", success),
                     Err(e) => log::warn!("Load file err: {}", e),
                 }
+                if let Err(e) = settings.on_load() {
+                    print_errors("LoadMainSettings on_load()", e);
+                }
                 true
             }
             ApiMessage::LoadSystemSettings => {
-                settings.load_system_default(settings.general.get_name().to_owned());
+                if let Err(e) = settings.on_unload() {
+                    print_errors("LoadSystemSettings on_unload()", e);
+                }
+                settings.load_system_default(
+                    settings.general.get_name().to_owned(),
+                    settings.general.get_variant_id(),
+                    settings.general.get_variant_info().name,
+                );
+                if let Err(e) = settings.on_load() {
+                    print_errors("LoadSystemSettings on_load()", e);
+                }
                 true
             }
             ApiMessage::GetLimits(cb) => {
@@ -416,6 +488,16 @@ impl ApiMessageHandler {
                 });
                 false
             }
+            ApiMessage::UploadCurrentVariant(steam_id, steam_username) => {
+                let steam_app_id = settings.general.get_app_id();
+                super::web::upload_settings(
+                    steam_app_id,
+                    steam_id,
+                    steam_username,
+                    settings.json(),
+                );
+                false
+            }
         }
     }
 
diff --git a/backend/src/api/message.rs b/backend/src/api/message.rs
index 3ac093e..0a7b435 100644
--- a/backend/src/api/message.rs
+++ b/backend/src/api/message.rs
@@ -1,14 +1,17 @@
-use std::sync::{atomic::{AtomicU64, Ordering}, Arc};
+use std::sync::{
+    atomic::{AtomicU64, Ordering},
+    Arc,
+};
 
 use serde::{Deserialize, Serialize};
 
-use usdpl_back::AsyncCallable;
 use usdpl_back::core::serdes::Primitive;
+use usdpl_back::AsyncCallable;
 
 use limits_core::json::DeveloperMessage;
 
-use crate::MESSAGE_SEEN_ID_FILE;
 use crate::utility::settings_dir;
+use crate::MESSAGE_SEEN_ID_FILE;
 
 #[derive(Serialize, Deserialize)]
 pub struct ApiMessage {
@@ -34,7 +37,10 @@ impl std::convert::From<DeveloperMessage> for ApiMessage {
 }
 
 fn get_dev_messages() -> Vec<ApiMessage> {
-    crate::settings::get_dev_messages().drain(..).map(|msg| ApiMessage::from(msg)).collect()
+    crate::settings::get_dev_messages()
+        .drain(..)
+        .map(|msg| ApiMessage::from(msg))
+        .collect()
 }
 
 pub struct MessageHandler {
@@ -43,8 +49,12 @@ pub struct MessageHandler {
 
 impl MessageHandler {
     pub fn new() -> Self {
-        let last_seen_id = if let Ok(last_seen_id_bytes) = std::fs::read(settings_dir().join(MESSAGE_SEEN_ID_FILE)) {
-            if last_seen_id_bytes.len() >= 8 /* bytes in u64 */ {
+        let last_seen_id = if let Ok(last_seen_id_bytes) =
+            std::fs::read(settings_dir().join(MESSAGE_SEEN_ID_FILE))
+        {
+            if last_seen_id_bytes.len() >= 8
+            /* bytes in u64 */
+            {
                 u64::from_le_bytes([
                     last_seen_id_bytes[0],
                     last_seen_id_bytes[1],
@@ -73,7 +83,7 @@ impl MessageHandler {
             },
             AsyncMessageDismisser {
                 seen: self.seen.clone(),
-            }
+            },
         )
     }
 }
@@ -83,8 +93,17 @@ pub struct AsyncMessageGetter {
 }
 
 impl AsyncMessageGetter {
-    fn remove_before_id(id: u64, messages: impl Iterator<Item=ApiMessage>) -> impl Iterator<Item=ApiMessage> {
-        messages.skip_while(move |msg| if let Some(msg_id) = msg.id { msg_id <= id } else { true })
+    fn remove_before_id(
+        id: u64,
+        messages: impl Iterator<Item = ApiMessage>,
+    ) -> impl Iterator<Item = ApiMessage> {
+        messages.skip_while(move |msg| {
+            if let Some(msg_id) = msg.id {
+                msg_id <= id
+            } else {
+                true
+            }
+        })
     }
 }
 
diff --git a/backend/src/api/mod.rs b/backend/src/api/mod.rs
index 8dc8add..488faf3 100644
--- a/backend/src/api/mod.rs
+++ b/backend/src/api/mod.rs
@@ -7,6 +7,7 @@ pub mod gpu;
 pub mod handler;
 pub mod message;
 mod utility;
+pub mod web;
 
 pub(super) type ApiParameterType = Vec<usdpl_back::core::serdes::Primitive>;
 
diff --git a/backend/src/api/web.rs b/backend/src/api/web.rs
new file mode 100644
index 0000000..8222fa2
--- /dev/null
+++ b/backend/src/api/web.rs
@@ -0,0 +1,484 @@
+use std::sync::mpsc::{self, Sender};
+#[cfg(feature = "online")]
+use std::sync::RwLock;
+use std::sync::{Arc, Mutex};
+use usdpl_back::core::serdes::Primitive;
+use usdpl_back::AsyncCallable;
+
+use super::handler::{ApiMessage, GeneralMessage};
+use crate::utility::CachedData;
+
+#[cfg(feature = "online")]
+const BASE_URL_FALLBACK: &'static str = "https://powertools.ngni.us";
+#[cfg(feature = "online")]
+static BASE_URL: RwLock<Option<String>> = RwLock::new(None);
+
+const MAX_CACHE_DURATION: std::time::Duration =
+    std::time::Duration::from_secs(60 * 60 * 24 * 7 /* 7 days */);
+
+type StoreCache =
+    std::collections::HashMap<u32, CachedData<Vec<community_settings_core::v1::Metadata>>>;
+
+#[cfg(feature = "online")]
+pub fn set_base_url(base_url: String) {
+    *BASE_URL
+        .write()
+        .expect("Failed to acquire write lock for store base url") = Some(base_url);
+}
+
+#[cfg(feature = "online")]
+fn get_base_url() -> String {
+    BASE_URL
+        .read()
+        .expect("Failed to acquire read lock for store base url")
+        .clone()
+        .unwrap_or_else(|| BASE_URL_FALLBACK.to_owned())
+}
+
+#[cfg(feature = "online")]
+fn url_search_by_app_id(steam_app_id: u32) -> String {
+    format!("{}/api/setting/by_app_id/{}", get_base_url(), steam_app_id)
+}
+
+#[cfg(feature = "online")]
+fn url_download_config_by_id(id: u128) -> String {
+    format!("{}/api/setting/by_id/{}", get_base_url(), id)
+}
+
+#[cfg(feature = "online")]
+fn url_upload_config() -> String {
+    format!("{}/api/setting", get_base_url())
+}
+
+#[cfg(feature = "online")]
+fn cache_path() -> std::path::PathBuf {
+    crate::utility::settings_dir().join(crate::consts::WEB_SETTINGS_CACHE)
+}
+
+#[cfg(feature = "online")]
+fn load_cache() -> StoreCache {
+    let path = cache_path();
+    let file = match std::fs::File::open(&path) {
+        Ok(f) => f,
+        Err(e) => {
+            log::warn!("Failed to open store cache {}: {}", path.display(), e);
+            return StoreCache::default();
+        }
+    };
+    let mut file = std::io::BufReader::new(file);
+    match ron::de::from_reader(&mut file) {
+        Ok(cache) => cache,
+        Err(e) => {
+            log::error!("Failed to parse store cache {}: {}", path.display(), e);
+            return StoreCache::default();
+        }
+    }
+}
+
+#[cfg(not(feature = "online"))]
+fn load_cache() -> StoreCache {
+    StoreCache::default()
+}
+
+#[cfg(feature = "online")]
+fn save_cache(cache: &StoreCache) {
+    let path = cache_path();
+    let file = match std::fs::File::create(&path) {
+        Ok(f) => f,
+        Err(e) => {
+            log::warn!("Failed to create store cache {}: {}", path.display(), e);
+            return;
+        }
+    };
+    let mut file = std::io::BufWriter::new(file);
+    if let Err(e) =
+        ron::ser::to_writer_pretty(&mut file, cache, crate::utility::ron_pretty_config())
+    {
+        log::error!("Failed to parse store cache {}: {}", path.display(), e);
+    }
+}
+
+#[cfg(not(feature = "online"))]
+fn save_cache(_cache: &StoreCache) {}
+
+fn get_maybe_cached(steam_app_id: u32) -> Vec<community_settings_core::v1::Metadata> {
+    let mut cache = load_cache();
+    let data = if let Some(cached_result) = cache.get(&steam_app_id) {
+        if cached_result.needs_update(MAX_CACHE_DURATION) {
+            // cache needs update
+            if let Ok(result) = search_by_app_id_online(steam_app_id) {
+                cache.insert(
+                    steam_app_id,
+                    CachedData {
+                        data: result.clone(),
+                        updated: chrono::offset::Utc::now(),
+                    },
+                );
+                save_cache(&cache);
+                result
+            } else {
+                // if all else fails, out of date results are better than no results
+                cached_result.data.to_owned()
+            }
+        } else {
+            // cache is ok, use it
+            cached_result.data.to_owned()
+        }
+    } else {
+        if let Ok(result) = search_by_app_id_online(steam_app_id) {
+            cache.insert(
+                steam_app_id,
+                CachedData {
+                    data: result.clone(),
+                    updated: chrono::offset::Utc::now(),
+                },
+            );
+            save_cache(&cache);
+            result
+        } else {
+            Vec::with_capacity(0)
+        }
+    };
+    #[cfg(debug_assertions)]
+    {
+        data
+    }
+    #[cfg(not(debug_assertions))]
+    {
+        data.into_iter().filter(|meta| meta.id != "0").collect()
+    }
+}
+
+#[cfg(feature = "online")]
+fn search_by_app_id_online(
+    steam_app_id: u32,
+) -> std::io::Result<Vec<community_settings_core::v1::Metadata>> {
+    let req_url = url_search_by_app_id(steam_app_id);
+    match ureq::get(&req_url).call() {
+        Ok(response) => {
+            let json_res: std::io::Result<Vec<community_settings_core::v1::Metadata>> =
+                response.into_json();
+            match json_res {
+                Ok(search_results) => Ok(search_results),
+                Err(e) => {
+                    log::error!("Cannot parse response from `{}`: {}", req_url, e);
+                    Err(std::io::Error::new(std::io::ErrorKind::InvalidData, e))
+                }
+            }
+        }
+        Err(e) => {
+            log::warn!("Cannot get search results from `{}`: {}", req_url, e);
+            Err(std::io::Error::new(
+                std::io::ErrorKind::ConnectionAborted,
+                e,
+            ))
+        }
+    }
+}
+
+#[cfg(not(feature = "online"))]
+fn search_by_app_id_online(
+    _steam_app_id: u32,
+) -> std::io::Result<Vec<community_settings_core::v1::Metadata>> {
+    Ok(Vec::with_capacity(0))
+}
+
+/// Get search results web method
+pub fn search_by_app_id() -> impl AsyncCallable {
+    let getter = move || {
+        move |steam_app_id: u32| {
+            let search_results = get_maybe_cached(steam_app_id);
+            match serde_json::to_string(&search_results) {
+                Err(e) => {
+                    log::error!("Cannot convert search results to JSON: {}", e);
+                    "[]".to_owned()
+                }
+                Ok(s) => s,
+            }
+        }
+    };
+    super::async_utils::AsyncIsh {
+        trans_setter: |params| {
+            if let Some(Primitive::String(s)) = params.get(0) {
+                s.parse::<u32>().map_err(|e| format!("search_by_app_id invalid parameter 0: {}", e))
+            } else {
+                Err("search_by_app_id missing/invalid parameter 0".to_owned())
+            }
+        },
+        set_get: getter,
+        trans_getter: |result| vec![Primitive::Json(result)],
+    }
+}
+
+fn web_config_to_settings_json(
+    meta: community_settings_core::v1::Metadata,
+) -> crate::persist::SettingsJson {
+    crate::persist::SettingsJson {
+        version: crate::persist::LATEST_VERSION,
+        name: meta.name,
+        variant: u64::MAX, // TODO maybe change this to use the 64 low bits of id (u64::MAX will cause it to generate a new id when added to file variant map
+        persistent: true,
+        cpus: meta
+            .config
+            .cpus
+            .into_iter()
+            .map(|cpu| crate::persist::CpuJson {
+                online: cpu.online,
+                clock_limits: cpu.clock_limits.map(|lim| crate::persist::MinMaxJson {
+                    min: lim.min,
+                    max: lim.max,
+                }),
+                governor: cpu.governor,
+                root: None,
+            })
+            .collect(),
+        gpu: crate::persist::GpuJson {
+            fast_ppt: meta.config.gpu.fast_ppt,
+            slow_ppt: meta.config.gpu.slow_ppt,
+            tdp: meta.config.gpu.tdp,
+            tdp_boost: meta.config.gpu.tdp_boost,
+            clock_limits: meta
+                .config
+                .gpu
+                .clock_limits
+                .map(|lim| crate::persist::MinMaxJson {
+                    min: lim.min,
+                    max: lim.max,
+                }),
+            memory_clock: meta.config.gpu.memory_clock,
+            root: None,
+        },
+        battery: crate::persist::BatteryJson {
+            charge_rate: meta.config.battery.charge_rate,
+            charge_mode: meta.config.battery.charge_mode,
+            events: meta
+                .config
+                .battery
+                .events
+                .into_iter()
+                .map(|be| crate::persist::BatteryEventJson {
+                    charge_rate: be.charge_rate,
+                    charge_mode: be.charge_mode,
+                    trigger: be.trigger,
+                })
+                .collect(),
+            root: None,
+        },
+        provider: Some(crate::persist::DriverJson::AutoDetect),
+        tags: meta.tags,
+    }
+}
+
+#[cfg(feature = "online")]
+fn download_config(id: u128) -> std::io::Result<community_settings_core::v1::Metadata> {
+    let req_url = url_download_config_by_id(id);
+    let response = ureq::get(&req_url).call().map_err(|e| {
+        log::warn!("GET to {} failed: {}", req_url, e);
+        std::io::Error::new(std::io::ErrorKind::ConnectionAborted, e)
+    })?;
+    response.into_json()
+}
+
+#[cfg(not(feature = "online"))]
+fn download_config(_id: u128) -> std::io::Result<community_settings_core::v1::Metadata> {
+    Err(std::io::Error::new(
+        std::io::ErrorKind::Unsupported,
+        "Online functionality not included in this build",
+    ))
+}
+
+pub fn upload_settings(
+    id: u64,
+    user_id: String,
+    username: String,
+    settings: crate::persist::SettingsJson,
+) {
+    log::info!(
+        "Uploading settings {} by {} ({})",
+        settings.name,
+        username,
+        user_id
+    );
+    let user_id: u64 = match user_id.parse() {
+        Ok(id) => id,
+        Err(e) => {
+            log::error!(
+                "Failed to parse `{}` as u64: {} (aborted upload_settings very early)",
+                user_id,
+                e
+            );
+            return;
+        }
+    };
+    let meta = settings_to_web_config(id as _, user_id, username, settings);
+    if let Err(e) = upload_config(meta) {
+        log::error!("Failed to upload settings: {}", e);
+    }
+}
+
+fn settings_to_web_config(
+    app_id: u32,
+    user_id: u64,
+    username: String,
+    settings: crate::persist::SettingsJson,
+) -> community_settings_core::v1::Metadata {
+    #[cfg(any(not(debug_assertions), not(feature = "dev_stuff")))]
+    let app_id = if app_id == 0 { 1 } else { app_id };
+    community_settings_core::v1::Metadata {
+        name: settings.name,
+        steam_app_id: app_id,
+        steam_user_id: user_id,
+        steam_username: username,
+        tags: settings.tags,
+        id: "".to_owned(),
+        config: community_settings_core::v1::Config {
+            cpus: settings
+                .cpus
+                .into_iter()
+                .map(|cpu| community_settings_core::v1::Cpu {
+                    online: cpu.online,
+                    clock_limits: cpu
+                        .clock_limits
+                        .map(|lim| community_settings_core::v1::MinMax {
+                            min: lim.min,
+                            max: lim.max,
+                        }),
+                    governor: cpu.governor,
+                })
+                .collect(),
+            gpu: community_settings_core::v1::Gpu {
+                fast_ppt: settings.gpu.fast_ppt,
+                slow_ppt: settings.gpu.slow_ppt,
+                tdp: settings.gpu.tdp,
+                tdp_boost: settings.gpu.tdp_boost,
+                clock_limits: settings.gpu.clock_limits.map(|lim| {
+                    community_settings_core::v1::MinMax {
+                        min: lim.min,
+                        max: lim.max,
+                    }
+                }),
+                memory_clock: settings.gpu.memory_clock,
+            },
+            battery: community_settings_core::v1::Battery {
+                charge_rate: settings.battery.charge_rate,
+                charge_mode: settings.battery.charge_mode,
+                events: settings
+                    .battery
+                    .events
+                    .into_iter()
+                    .map(|batt_ev| community_settings_core::v1::BatteryEvent {
+                        trigger: batt_ev.trigger,
+                        charge_rate: batt_ev.charge_rate,
+                        charge_mode: batt_ev.charge_mode,
+                    })
+                    .collect(),
+            },
+        },
+    }
+}
+
+#[cfg(feature = "online")]
+fn upload_config(config: community_settings_core::v1::Metadata) -> std::io::Result<()> {
+    let req_url = url_upload_config();
+    ureq::post(&req_url)
+        .send_json(&config)
+        .map_err(|e| {
+            log::warn!("POST to {} failed: {}", req_url, e);
+            std::io::Error::new(std::io::ErrorKind::ConnectionAborted, e)
+        })
+        .map(|_| ())
+}
+
+#[cfg(not(feature = "online"))]
+fn upload_config(_config: community_settings_core::v1::Metadata) -> std::io::Result<()> {
+    Ok(())
+}
+
+/// Download config web method
+pub fn download_new_config(sender: Sender<ApiMessage>) -> impl AsyncCallable {
+    let sender = Arc::new(Mutex::new(sender)); // Sender is not Sync; this is required for safety
+    let getter = move || {
+        let sender2 = sender.clone();
+        move |id: u128| {
+            match download_config(id) {
+                Ok(meta) => {
+                    let (tx, rx) = mpsc::channel();
+                    let callback = move |values: Vec<super::VariantInfo>| {
+                        tx.send(values)
+                            .expect("download_new_config callback send failed")
+                    };
+                    sender2
+                        .lock()
+                        .unwrap()
+                        .send(ApiMessage::General(GeneralMessage::AddVariant(
+                            web_config_to_settings_json(meta),
+                            Box::new(callback),
+                        )))
+                        .expect("download_new_config send failed");
+                    return rx.recv().expect("download_new_config callback recv failed");
+                }
+                Err(e) => {
+                    log::error!("Invalid response from download: {}", e);
+                }
+            }
+            vec![]
+        }
+    };
+    super::async_utils::AsyncIsh {
+        trans_setter: |params| {
+            if let Some(Primitive::String(id)) = params.get(0) {
+                match id.parse::<u128>() {
+                    Ok(id) => Ok(id),
+                    Err(e) => Err(format!(
+                        "download_new_config non-u128 string parameter 0: {} (got `{}`)",
+                        e, id
+                    )),
+                }
+            } else {
+                Err("download_new_config missing/invalid parameter 0".to_owned())
+            }
+        },
+        set_get: getter,
+        trans_getter: |result| {
+            let mut output = Vec::with_capacity(result.len());
+            for status in result.iter() {
+                output.push(Primitive::Json(
+                    serde_json::to_string(status)
+                        .expect("Failed to serialize variant info to JSON"),
+                ));
+            }
+            output
+        },
+    }
+}
+
+/// Upload currently-loaded variant
+pub fn upload_current_variant(sender: Sender<ApiMessage>) -> impl AsyncCallable {
+    let sender = Arc::new(Mutex::new(sender)); // Sender is not Sync; this is required for safety
+    let getter = move || {
+        let sender2 = sender.clone();
+        move |(steam_id, steam_username): (String, String)| {
+            sender2
+                .lock()
+                .unwrap()
+                .send(ApiMessage::UploadCurrentVariant(steam_id, steam_username))
+                .expect("upload_current_variant send failed");
+            true
+        }
+    };
+    super::async_utils::AsyncIsh {
+        trans_setter: |params| {
+            if let Some(Primitive::String(steam_id)) = params.get(0) {
+                if let Some(Primitive::String(steam_username)) = params.get(1) {
+                    Ok((steam_id.to_owned(), steam_username.to_owned()))
+                } else {
+                    Err("upload_current_variant missing/invalid parameter 1".to_owned())
+                }
+            } else {
+                Err("upload_current_variant missing/invalid parameter 0".to_owned())
+            }
+        },
+        set_get: getter,
+        trans_getter: |result| vec![result.into()],
+    }
+}
diff --git a/backend/src/cli/args.rs b/backend/src/cli/args.rs
new file mode 100644
index 0000000..3c10a59
--- /dev/null
+++ b/backend/src/cli/args.rs
@@ -0,0 +1,39 @@
+use clap::{Parser, Subcommand};
+
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+pub struct Args {
+    /// TCP port for front-end client connection
+    #[arg(long)]
+    pub port: Option<u16>,
+
+    /// Override log file location
+    #[arg(long)]
+    pub log: Option<std::path::PathBuf>,
+
+    /// Force verbose logging
+    #[arg(short, long)]
+    pub verbose: bool,
+
+    /// Specail operation to perform
+    #[command(subcommand)]
+    pub op: Option<Operation>,
+}
+
+impl Args {
+    pub fn load() -> Self {
+        Self::parse()
+    }
+
+    pub fn is_default(&self) -> bool {
+        self.port.is_none() && self.log.is_none() && !self.verbose && self.op.is_none()
+    }
+}
+
+#[derive(Subcommand, Debug)]
+pub enum Operation {
+    /// Dump useful system information for adding new device support
+    DumpSys,
+    /// Remove all files created by PowerTools, not including $HOME/homebrew/plugins/PowerTools/
+    Clean,
+}
diff --git a/backend/src/cli/clean.rs b/backend/src/cli/clean.rs
new file mode 100644
index 0000000..590e61a
--- /dev/null
+++ b/backend/src/cli/clean.rs
@@ -0,0 +1,23 @@
+pub fn clean_up() -> Result<(), ()> {
+    let dirs = vec![
+        crate::utility::settings_dir_old(),
+        crate::utility::settings_dir(),
+    ];
+
+    if let Err(e) = clean_up_io(dirs.iter()) {
+        log::error!("Error removing directories: {}", e);
+        Err(())
+    } else {
+        Ok(())
+    }
+}
+
+fn clean_up_io(
+    directories: impl Iterator<Item = impl AsRef<std::path::Path>>,
+) -> std::io::Result<()> {
+    let results = directories.map(|dir| std::fs::remove_dir_all(dir));
+    for res in results {
+        res?;
+    }
+    Ok(())
+}
diff --git a/backend/src/cli/dump_sys.rs b/backend/src/cli/dump_sys.rs
new file mode 100644
index 0000000..c626581
--- /dev/null
+++ b/backend/src/cli/dump_sys.rs
@@ -0,0 +1,74 @@
+use std::io::Write;
+use std::path::{Path, PathBuf};
+use std::process::Command;
+use std::sync::mpsc::{channel, Sender};
+use std::thread::{self, JoinHandle};
+
+pub fn dump_sys_info() -> Result<(), ()> {
+    let (tx, rx) = channel();
+    let mut join_handles = Vec::new();
+    let useful_files = vec![
+        PathBuf::from("/proc/ioports"),
+        PathBuf::from("/proc/cpuinfo"),
+        PathBuf::from("/etc/os-release"),
+    ];
+    for file in useful_files {
+        join_handles.push(read_file(file, tx.clone()));
+    }
+
+    let useful_commands = vec!["dmidecode"];
+    for cmd in useful_commands.into_iter() {
+        join_handles.push(execute_command(cmd, tx.clone()));
+    }
+
+    for join_handle in join_handles.into_iter() {
+        if let Err(e) = join_handle.join() {
+            log::error!("Thread failed to complete: {:?}", e);
+        }
+    }
+
+    let mut dump_file =
+        std::fs::File::create("powertools_sys_dump.txt").expect("Failed to create dump file");
+    for response in rx.into_iter() {
+        dump_file
+            .write(
+                &format!(
+                    "{} v{} ###### {} ######\n{}\n",
+                    crate::consts::PACKAGE_NAME,
+                    crate::consts::PACKAGE_VERSION,
+                    response.0,
+                    response.1.unwrap_or("[None]".to_owned())
+                )
+                .into_bytes(),
+            )
+            .expect("Failed to write to dump file");
+    }
+    Ok(())
+}
+
+fn read_file(
+    file: impl AsRef<Path> + Send + 'static,
+    tx: Sender<(String, Option<String>)>,
+) -> JoinHandle<()> {
+    thread::spawn(move || {
+        let file = file.as_ref();
+        tx.send((
+            file.display().to_string(),
+            std::fs::read_to_string(file).ok(),
+        ))
+        .expect("Failed to send file contents");
+    })
+}
+
+fn execute_command(command: &'static str, tx: Sender<(String, Option<String>)>) -> JoinHandle<()> {
+    thread::spawn(move || {
+        tx.send((
+            command.to_owned(),
+            Command::new(command)
+                .output()
+                .map(|out| String::from_utf8_lossy(&out.stdout).into_owned())
+                .ok(),
+        ))
+        .expect("Failed to send command output");
+    })
+}
diff --git a/backend/src/cli/mod.rs b/backend/src/cli/mod.rs
new file mode 100644
index 0000000..720332d
--- /dev/null
+++ b/backend/src/cli/mod.rs
@@ -0,0 +1,12 @@
+mod args;
+mod clean;
+mod dump_sys;
+
+pub use args::{Args, Operation};
+
+pub fn do_op(op: &Operation) -> Result<(), ()> {
+    match op {
+        Operation::DumpSys => dump_sys::dump_sys_info(),
+        Operation::Clean => clean::clean_up(),
+    }
+}
diff --git a/backend/src/consts.rs b/backend/src/consts.rs
index e296cbe..246b1bb 100644
--- a/backend/src/consts.rs
+++ b/backend/src/consts.rs
@@ -3,9 +3,20 @@ pub const PORT: u16 = 44443;
 pub const PACKAGE_NAME: &'static str = env!("CARGO_PKG_NAME");
 pub const PACKAGE_VERSION: &'static str = env!("CARGO_PKG_VERSION");
 
-pub const DEFAULT_SETTINGS_FILE: &str = "default_settings.json";
+pub const DEFAULT_SETTINGS_FILE: &str = "default_settings.ron";
 pub const DEFAULT_SETTINGS_NAME: &str = "Main";
+pub const DEFAULT_SETTINGS_VARIANT_NAME: &str = "Primary";
 
-pub const LIMITS_FILE: &str = "limits_cache.json";
+pub const LIMITS_FILE: &str = "limits_cache.ron";
+#[cfg(feature = "online")]
+pub const LIMITS_REFRESH_PERIOD: std::time::Duration = std::time::Duration::from_secs(60 * 60 * 24); // 1 day
+#[cfg(feature = "online")]
+pub const LIMITS_STARTUP_WAIT: std::time::Duration = std::time::Duration::from_secs(60); // 1 minute
+#[cfg(feature = "online")]
+pub const LIMITS_CHECK_PERIOD: std::time::Duration = std::time::Duration::from_secs(5 * 60); // 5 minutes
+pub const LIMITS_OVERRIDE_FILE: &str = "limits_override.ron";
+
+#[cfg(feature = "online")]
+pub const WEB_SETTINGS_CACHE: &str = "store_cache.ron";
 
 pub const MESSAGE_SEEN_ID_FILE: &str = "seen_message.bin";
diff --git a/backend/src/main.rs b/backend/src/main.rs
index 6eb6d99..b15fefb 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -1,4 +1,5 @@
 mod api;
+mod cli;
 mod persist;
 mod settings;
 mod state;
@@ -19,12 +20,18 @@ use usdpl_back::core::serdes::Primitive;
 use usdpl_back::Instance;
 
 fn main() -> Result<(), ()> {
+    let args = cli::Args::load();
     #[cfg(debug_assertions)]
     let log_filepath = usdpl_back::api::dirs::home()
         .unwrap_or_else(|| "/tmp/".into())
         .join(PACKAGE_NAME.to_owned() + ".log");
     #[cfg(not(debug_assertions))]
     let log_filepath = std::path::Path::new("/tmp").join(format!("{}.log", PACKAGE_NAME));
+    let log_filepath = args.log.clone().unwrap_or(log_filepath);
+    println!("Logging to: {:?}", log_filepath);
+    if !args.is_default() {
+        println!("CLI arguments, as parsed: {:?}", &args);
+    }
     #[cfg(debug_assertions)]
     let old_log_filepath = usdpl_back::api::dirs::home()
         .unwrap_or_else(|| "/tmp/".into())
@@ -43,15 +50,27 @@ fn main() -> Result<(), ()> {
         },
         #[cfg(not(debug_assertions))]
         {
-            LevelFilter::Info
+            if args.verbose {
+                LevelFilter::Debug
+            } else {
+                LevelFilter::Info
+            }
         },
         Default::default(),
-        std::fs::File::create(&log_filepath).unwrap(),
+        std::fs::File::create(&log_filepath).expect("Failed to create log file"),
         //std::fs::File::create("/home/deck/powertools-rs.log").unwrap(),
     )
     .unwrap();
     log::debug!("Logging to: {:?}.", log_filepath);
-    println!("Logging to: {:?}", log_filepath);
+    log::info!("CLI arguments, as parsed: {:?}", &args);
+
+    // sepcial operation start-up
+    if let Some(op) = &args.op {
+        return cli::do_op(op);
+        // do not continue with regular startup
+    }
+
+    // regular start-up
     log::info!("Starting back-end ({} v{})", PACKAGE_NAME, PACKAGE_VERSION);
     println!("Starting back-end ({} v{})", PACKAGE_NAME, PACKAGE_VERSION);
     log::info!(
@@ -75,18 +94,44 @@ fn main() -> Result<(), ()> {
     let _limits_handle = crate::settings::limits_worker_spawn();
 
     let mut loaded_settings =
-        persist::SettingsJson::open(utility::settings_dir().join(DEFAULT_SETTINGS_FILE))
-            .map(|settings| settings::Settings::from_json(settings, DEFAULT_SETTINGS_FILE.into()))
+        persist::FileJson::open(utility::settings_dir().join(DEFAULT_SETTINGS_FILE))
+            .map(|mut file| {
+                let mut keys: Vec<u64> = file.variants.keys().map(|x| *x).collect();
+                keys.sort();
+                keys.get(0)
+                    .and_then(|id| file.variants.remove(id))
+                    .map(|settings| {
+                        settings::Settings::from_json(
+                            DEFAULT_SETTINGS_NAME.into(),
+                            settings,
+                            DEFAULT_SETTINGS_FILE.into(),
+                            0,
+                        )
+                    })
+                    .unwrap_or_else(|| {
+                        settings::Settings::system_default(
+                            DEFAULT_SETTINGS_FILE.into(),
+                            0,
+                            DEFAULT_SETTINGS_NAME.into(),
+                            0,
+                            DEFAULT_SETTINGS_VARIANT_NAME.into(),
+                        )
+                    })
+            })
             .unwrap_or_else(|_| {
                 settings::Settings::system_default(
                     DEFAULT_SETTINGS_FILE.into(),
+                    0,
                     DEFAULT_SETTINGS_NAME.into(),
+                    0,
+                    DEFAULT_SETTINGS_VARIANT_NAME.into(),
                 )
             });
 
     log::info!(
         "Detected device automatically {:?}, using driver: {:?} (This can be overriden)",
-        crate::settings::auto_detect_provider(), loaded_settings.cpus.provider()
+        crate::settings::auto_detect_provider(),
+        loaded_settings.cpus.provider()
     );
 
     log::debug!("Settings: {:?}", loaded_settings);
@@ -99,7 +144,7 @@ fn main() -> Result<(), ()> {
 
     let (message_getter, message_dismisser) = api::message::MessageHandler::new().to_callables();
 
-    let instance = Instance::new(PORT)
+    let instance = Instance::new(args.port.unwrap_or(PORT))
         .register("V_INFO", |_: Vec<Primitive>| {
             #[cfg(debug_assertions)]
             {
@@ -233,6 +278,10 @@ fn main() -> Result<(), ()> {
             "GPU_get_slow_memory",
             api::gpu::get_slow_memory(api_sender.clone()),
         )
+        .register(
+            "GPU_unset_slow_memory",
+            api::gpu::unset_slow_memory(api_sender.clone()),
+        )
         // general API functions
         .register(
             "GENERAL_set_persistent",
@@ -246,6 +295,10 @@ fn main() -> Result<(), ()> {
             "GENERAL_load_settings",
             api::general::load_settings(api_sender.clone()),
         )
+        .register(
+            "GENERAL_load_variant",
+            api::general::load_variant(api_sender.clone()),
+        )
         .register(
             "GENERAL_load_default_settings",
             api::general::load_default_settings(api_sender.clone()),
@@ -289,10 +342,35 @@ fn main() -> Result<(), ()> {
         )
         .register_async(
             "GENERAL_get_periodicals",
-            api::general::get_periodicals(api_sender.clone())
+            api::general::get_periodicals(api_sender.clone()),
+        )
+        .register_async(
+            "GENERAL_get_all_variants",
+            api::general::get_all_variants(api_sender.clone()),
+        )
+        .register_async(
+            "GENERAL_get_current_variant",
+            api::general::get_current_variant(api_sender.clone()),
         )
         .register_async("MESSAGE_get", message_getter)
-        .register_async("MESSAGE_dismiss", message_dismisser);
+        .register_async("MESSAGE_dismiss", message_dismisser)
+        .register_async("WEB_search_by_app", api::web::search_by_app_id())
+        .register_async(
+            "WEB_download_new",
+            api::web::download_new_config(api_sender.clone()),
+        )
+        .register_async(
+            "WEB_upload_new",
+            api::web::upload_current_variant(api_sender.clone()),
+        );
+
+    utility::ioperm_power_ec();
+
+    #[cfg(debug_assertions)]
+    std::thread::spawn(|| {
+        utility::ioperm_power_ec();
+        settings::steam_deck::flash_led();
+    });
 
     if let Err(e) = loaded_settings.on_set() {
         e.iter()
diff --git a/backend/src/persist/driver.rs b/backend/src/persist/driver.rs
index 1a774bd..7e18a8b 100644
--- a/backend/src/persist/driver.rs
+++ b/backend/src/persist/driver.rs
@@ -6,8 +6,8 @@ use serde::{Deserialize, Serialize};
 pub enum DriverJson {
     #[serde(rename = "steam-deck", alias = "gabe-boy")]
     SteamDeck,
-    #[serde(rename = "steam-deck-oc", alias = "gabe-boy-advance")]
-    SteamDeckAdvance,
+    #[serde(rename = "steam-deck-oled", alias = "gabe-boy-sp")]
+    SteamDeckOLED,
     #[serde(rename = "generic")]
     Generic,
     #[serde(rename = "generic-amd")]
@@ -17,4 +17,6 @@ pub enum DriverJson {
     #[default]
     #[serde(rename = "auto")]
     AutoDetect,
+    #[serde(rename = "indev")]
+    DevMode,
 }
diff --git a/backend/src/persist/error.rs b/backend/src/persist/error.rs
index 2dcb6fa..502d199 100644
--- a/backend/src/persist/error.rs
+++ b/backend/src/persist/error.rs
@@ -1,10 +1,10 @@
 #[derive(Debug)]
-pub enum JsonError {
-    Serde(serde_json::Error),
+pub enum SerdeError {
+    Serde(RonError),
     Io(std::io::Error),
 }
 
-impl std::fmt::Display for JsonError {
+impl std::fmt::Display for SerdeError {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         match self {
             Self::Serde(e) => (e as &dyn std::fmt::Display).fmt(f),
@@ -12,3 +12,32 @@ impl std::fmt::Display for JsonError {
         }
     }
 }
+
+impl std::error::Error for SerdeError {}
+
+#[derive(Debug)]
+pub enum RonError {
+    General(ron::error::Error),
+    Spanned(ron::error::SpannedError),
+}
+
+impl std::fmt::Display for RonError {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        match self {
+            Self::General(e) => (e as &dyn std::fmt::Display).fmt(f),
+            Self::Spanned(e) => (e as &dyn std::fmt::Display).fmt(f),
+        }
+    }
+}
+
+impl From<ron::error::Error> for RonError {
+    fn from(value: ron::error::Error) -> Self {
+        Self::General(value)
+    }
+}
+
+impl From<ron::error::SpannedError> for RonError {
+    fn from(value: ron::error::SpannedError) -> Self {
+        Self::Spanned(value)
+    }
+}
diff --git a/backend/src/persist/file.rs b/backend/src/persist/file.rs
new file mode 100644
index 0000000..9720b1e
--- /dev/null
+++ b/backend/src/persist/file.rs
@@ -0,0 +1,115 @@
+use std::collections::HashMap;
+
+use serde::{Deserialize, Serialize};
+
+use super::SerdeError;
+use super::SettingsJson;
+
+#[derive(Serialize, Deserialize)]
+pub struct FileJson {
+    pub version: u64,
+    pub name: String,
+    pub app_id: u64,
+    pub variants: HashMap<u64, SettingsJson>,
+}
+
+impl FileJson {
+    pub fn save<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), SerdeError> {
+        let path = path.as_ref();
+
+        if !self.variants.is_empty() {
+            if let Some(parent) = path.parent() {
+                std::fs::create_dir_all(parent).map_err(SerdeError::Io)?;
+            }
+            let mut file = std::fs::File::create(path).map_err(SerdeError::Io)?;
+            ron::ser::to_writer_pretty(&mut file, &self, crate::utility::ron_pretty_config())
+                .map_err(|e| SerdeError::Serde(e.into()))
+        } else {
+            if path.exists() {
+                // remove settings file when persistence is turned off, to prevent it from be loaded next time.
+                std::fs::remove_file(path).map_err(SerdeError::Io)
+            } else {
+                Ok(())
+            }
+        }
+    }
+
+    pub fn open<P: AsRef<std::path::Path>>(path: P) -> Result<Self, SerdeError> {
+        let mut file = std::fs::File::open(path).map_err(SerdeError::Io)?;
+        ron::de::from_reader(&mut file).map_err(|e| SerdeError::Serde(e.into()))
+    }
+
+    fn next_available_id(&self) -> u64 {
+        self.variants.keys().max().map(|k| k + 1).unwrap_or(0)
+    }
+
+    pub fn update_variant_or_create<P: AsRef<std::path::Path>>(
+        path: P,
+        app_id: u64,
+        mut setting: SettingsJson,
+        app_name: String,
+    ) -> Result<(Self, SettingsJson), SerdeError> {
+        // returns (Self, updated/created variant id)
+        let path = path.as_ref();
+        if !setting.persistent {
+            let mut file = Self::open(path)?;
+
+            if file.variants.contains_key(&setting.variant) {
+                file.variants.remove(&setting.variant);
+                file.save(path)?;
+            }
+            return Ok((file, setting));
+        }
+
+        let (file, variant_id) = if path.exists() {
+            let mut file = Self::open(path)?;
+            // Generate new (available) id if max
+            if setting.variant == u64::MAX {
+                setting.variant = file.next_available_id();
+            }
+            // Generate new name if empty
+            if setting.name.is_empty() {
+                setting.name = format!("Variant {}", setting.variant);
+            }
+            log::debug!(
+                "Inserting setting variant `{}` ({}) for app `{}` ({})",
+                setting.name,
+                setting.variant,
+                file.name,
+                app_id
+            );
+            file.variants.insert(setting.variant, setting.clone());
+            (file, setting)
+        } else {
+            // Generate new id if max
+            if setting.variant == u64::MAX {
+                setting.variant = 1;
+            }
+            // Generate new name if empty
+            if setting.name.is_empty() {
+                setting.name = format!("Variant {}", setting.variant);
+            }
+            log::debug!(
+                "Creating new setting variant `{}` ({}) for app `{}` ({})",
+                setting.name,
+                setting.variant,
+                app_name,
+                app_id
+            );
+            let mut setting_variants = HashMap::with_capacity(1);
+            setting_variants.insert(setting.variant, setting.clone());
+            (
+                Self {
+                    version: 0,
+                    app_id: app_id,
+                    name: app_name,
+                    variants: setting_variants,
+                },
+                setting,
+            )
+        };
+
+        file.save(path)?;
+        Ok((file, variant_id))
+    }
+}
diff --git a/backend/src/persist/general.rs b/backend/src/persist/general.rs
index 58497ec..8cc93b7 100644
--- a/backend/src/persist/general.rs
+++ b/backend/src/persist/general.rs
@@ -2,81 +2,37 @@ use std::default::Default;
 
 use serde::{Deserialize, Serialize};
 
-use super::JsonError;
 use super::{BatteryJson, CpuJson, DriverJson, GpuJson};
 
-#[derive(Serialize, Deserialize, Debug, Clone)]
-pub struct OnEventJson {
-    pub on_save: Option<String>,
-    pub on_load: Option<String>,
-    pub on_set: Option<String>,
-    pub on_resume: Option<String>,
-}
-
-impl Default for OnEventJson {
-    fn default() -> Self {
-        Self {
-            on_save: None,
-            on_load: None,
-            on_set: None,
-            on_resume: None,
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Clone)]
 pub struct SettingsJson {
     pub version: u64,
     pub name: String,
+    pub variant: u64,
     pub persistent: bool,
     pub cpus: Vec<CpuJson>,
     pub gpu: GpuJson,
     pub battery: BatteryJson,
     pub provider: Option<DriverJson>,
-    pub events: Option<OnEventJson>,
+    pub tags: Vec<String>,
 }
 
 impl Default for SettingsJson {
     fn default() -> Self {
         Self {
             version: 0,
-            name: crate::consts::DEFAULT_SETTINGS_NAME.to_owned(),
+            name: crate::consts::DEFAULT_SETTINGS_VARIANT_NAME.to_owned(),
+            variant: 0,
             persistent: false,
             cpus: Vec::with_capacity(8),
             gpu: GpuJson::default(),
             battery: BatteryJson::default(),
             provider: None,
-            events: None,
+            tags: Vec::new(),
         }
     }
 }
 
-impl SettingsJson {
-    pub fn save<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), JsonError> {
-        let path = path.as_ref();
-
-        if self.persistent {
-            if let Some(parent) = path.parent() {
-                std::fs::create_dir_all(parent).map_err(JsonError::Io)?;
-            }
-            let mut file = std::fs::File::create(path).map_err(JsonError::Io)?;
-            serde_json::to_writer_pretty(&mut file, &self).map_err(JsonError::Serde)
-        } else {
-            if path.exists() {
-                // remove settings file when persistence is turned off, to prevent it from be loaded next time.
-                std::fs::remove_file(path).map_err(JsonError::Io)
-            } else {
-                Ok(())
-            }
-        }
-    }
-
-    pub fn open<P: AsRef<std::path::Path>>(path: P) -> Result<Self, JsonError> {
-        let mut file = std::fs::File::open(path).map_err(JsonError::Io)?;
-        serde_json::from_reader(&mut file).map_err(JsonError::Serde)
-    }
-}
-
 #[derive(Serialize, Deserialize, Clone)]
 pub struct MinMaxJson<T> {
     pub max: Option<T>,
diff --git a/backend/src/persist/gpu.rs b/backend/src/persist/gpu.rs
index 7755847..57df0f2 100644
--- a/backend/src/persist/gpu.rs
+++ b/backend/src/persist/gpu.rs
@@ -8,8 +8,10 @@ use serde::{Deserialize, Serialize};
 pub struct GpuJson {
     pub fast_ppt: Option<u64>,
     pub slow_ppt: Option<u64>,
+    pub tdp: Option<u64>,
+    pub tdp_boost: Option<u64>,
     pub clock_limits: Option<MinMaxJson<u64>>,
-    pub slow_memory: bool,
+    pub memory_clock: Option<u64>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub root: Option<String>,
 }
@@ -19,8 +21,10 @@ impl Default for GpuJson {
         Self {
             fast_ppt: None,
             slow_ppt: None,
+            tdp: None,
+            tdp_boost: None,
             clock_limits: None,
-            slow_memory: false,
+            memory_clock: None,
             root: None,
         }
     }
diff --git a/backend/src/persist/mod.rs b/backend/src/persist/mod.rs
index 17dfa35..bfc0b2a 100644
--- a/backend/src/persist/mod.rs
+++ b/backend/src/persist/mod.rs
@@ -2,13 +2,17 @@ mod battery;
 mod cpu;
 mod driver;
 mod error;
+mod file;
 mod general;
 mod gpu;
 
 pub use battery::{BatteryEventJson, BatteryJson};
 pub use cpu::CpuJson;
 pub use driver::DriverJson;
-pub use general::{MinMaxJson, OnEventJson, SettingsJson};
+pub use file::FileJson;
+pub use general::{MinMaxJson, SettingsJson};
 pub use gpu::GpuJson;
 
-pub use error::JsonError;
+pub use error::SerdeError;
+
+pub const LATEST_VERSION: u64 = 0;
diff --git a/backend/src/settings/detect/auto_detect.rs b/backend/src/settings/detect/auto_detect.rs
index e66394a..5773f12 100644
--- a/backend/src/settings/detect/auto_detect.rs
+++ b/backend/src/settings/detect/auto_detect.rs
@@ -2,32 +2,36 @@ use std::fs::File;
 
 use regex::RegexBuilder;
 
-use limits_core::json::{BatteryLimit, CpuLimit, GpuLimit, Limits};
+use limits_core::json_v2::{BatteryLimitType, CpuLimitType, GpuLimitType, Limits};
 
 use crate::persist::{DriverJson, SettingsJson};
-use crate::settings::{Driver, General, TBattery, TCpus, TGeneral, TGpu};
+use crate::settings::{Driver, General, ProviderBuilder, TBattery, TCpus, TGeneral, TGpu};
 
-fn get_limits() -> limits_core::json::Base {
-    let limits_path = super::utility::limits_path();
-    match File::open(&limits_path) {
-        Ok(f) => match serde_json::from_reader(f) {
-            Ok(lim) => lim,
+fn get_limits() -> limits_core::json_v2::Base {
+    super::limits_worker::get_limits_cached()
+}
+
+fn get_limits_overrides() -> Option<Limits> {
+    let limits_override_path = super::utility::limits_override_path();
+    match File::open(&limits_override_path) {
+        Ok(f) => match ron::de::from_reader(f) {
+            Ok(lim) => Some(lim),
             Err(e) => {
                 log::warn!(
-                    "Failed to parse limits file `{}`, cannot use for auto_detect: {}",
-                    limits_path.display(),
+                    "Failed to parse limits override file `{}`, cannot use for auto_detect: {}",
+                    limits_override_path.display(),
                     e
                 );
-                limits_core::json::Base::default()
+                None
             }
         },
         Err(e) => {
-            log::warn!(
-                "Failed to open limits file `{}`: {}",
-                limits_path.display(),
+            log::info!(
+                "Failed to open limits override file `{}`: {}",
+                limits_override_path.display(),
                 e
             );
-            super::limits_worker::get_limits_cached()
+            None
         }
     }
 }
@@ -37,7 +41,10 @@ pub fn auto_detect_provider() -> DriverJson {
     let provider = auto_detect0(
         None,
         crate::utility::settings_dir().join("autodetect.json"),
+        0,
         "".to_owned(),
+        0,
+        crate::consts::DEFAULT_SETTINGS_VARIANT_NAME.to_owned(),
     )
     .battery
     .provider();
@@ -47,11 +54,23 @@ pub fn auto_detect_provider() -> DriverJson {
 
 /// Device detection logic
 pub fn auto_detect0(
-    settings_opt: Option<SettingsJson>,
+    settings_opt: Option<&SettingsJson>,
     json_path: std::path::PathBuf,
+    app_id: u64,
     name: String,
+    variant_id: u64,
+    variant_name: String,
 ) -> Driver {
-    let mut builder = DriverBuilder::new(json_path, name);
+    let mut general_driver = Box::new(General {
+        persistent: false,
+        path: json_path,
+        app_id,
+        name,
+        variant_id,
+        variant_name,
+        driver: DriverJson::AutoDetect,
+        tags: settings_opt.map(|s| s.tags.clone()).unwrap_or_else(|| Vec::new()),
+    });
 
     let cpu_info: String = usdpl_back::api::files::read_single("/proc/cpuinfo").unwrap_or_default();
     log::debug!("Read from /proc/cpuinfo:\n{}", cpu_info);
@@ -65,268 +84,272 @@ pub fn auto_detect0(
     log::debug!("Read dmidecode:\n{}", dmi_info);
 
     let limits = get_limits();
+    let limits_override = get_limits_overrides();
 
     // build driver based on limits conditions
     for conf in limits.configs {
         let conditions = conf.conditions;
         let mut matches = true;
-        if conditions.is_empty() {
-            matches = !builder.is_complete();
-        } else {
-            if let Some(dmi) = &conditions.dmi {
-                let pattern = RegexBuilder::new(dmi)
-                    .multi_line(true)
-                    .build()
-                    .expect("Invalid DMI regex");
-                matches &= pattern.is_match(&dmi_info);
-            }
-            if let Some(cpuinfo) = &conditions.cpuinfo {
-                let pattern = RegexBuilder::new(cpuinfo)
-                    .multi_line(true)
-                    .build()
-                    .expect("Invalid CPU regex");
-                matches &= pattern.is_match(&cpu_info);
-            }
-            if let Some(os) = &conditions.os {
-                let pattern = RegexBuilder::new(os)
-                    .multi_line(true)
-                    .build()
-                    .expect("Invalid OS regex");
-                matches &= pattern.is_match(&os_info);
-            }
-            if let Some(cmd) = &conditions.command {
-                match std::process::Command::new("bash")
-                    .args(["-c", cmd])
-                    .status()
-                {
-                    Ok(status) => matches &= status.code().map(|c| c == 0).unwrap_or(false),
-                    Err(e) => log::warn!("Ignoring bash limits error: {}", e),
-                }
-            }
-            if let Some(file_exists) = &conditions.file_exists {
-                let exists = std::path::Path::new(file_exists).exists();
-                matches &= exists;
-            }
+        if let Some(dmi) = &conditions.dmi {
+            let pattern = RegexBuilder::new(dmi)
+                .multi_line(true)
+                .build()
+                .expect("Invalid DMI regex");
+            matches &= pattern.is_match(&dmi_info);
         }
+        if let Some(cpuinfo) = &conditions.cpuinfo {
+            let pattern = RegexBuilder::new(cpuinfo)
+                .multi_line(true)
+                .build()
+                .expect("Invalid CPU regex");
+            matches &= pattern.is_match(&cpu_info);
+        }
+        if let Some(os) = &conditions.os {
+            let pattern = RegexBuilder::new(os)
+                .multi_line(true)
+                .build()
+                .expect("Invalid OS regex");
+            matches &= pattern.is_match(&os_info);
+        }
+        if let Some(file_exists) = &conditions.file_exists {
+            let exists = std::path::Path::new(file_exists).exists();
+            matches &= exists;
+        }
+
         if matches {
+            let mut relevant_limits = conf.limits.clone();
+            relevant_limits.apply_override(limits_override);
             if let Some(settings) = &settings_opt {
-                *builder.general.persistent() = true;
-                builder.general.name(settings.name.clone());
-                for limit in conf.limits {
-                    match limit {
-                        Limits::Cpu(cpus) => {
-                            let cpu_driver: Box<dyn TCpus> = match cpus {
-                                CpuLimit::SteamDeck => {
-                                    Box::new(crate::settings::steam_deck::Cpus::from_json(
-                                        settings.cpus.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                                CpuLimit::SteamDeckAdvance => {
-                                    Box::new(crate::settings::steam_deck::Cpus::from_json(
-                                        settings.cpus.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                                CpuLimit::Generic(x) => Box::new(crate::settings::generic::Cpus::<
-                                    crate::settings::generic::Cpu,
-                                >::from_json_and_limits(
-                                    settings.cpus.clone(),
-                                    settings.version,
-                                    x,
-                                )),
-                                CpuLimit::GenericAMD(x) => Box::new(
-                                    crate::settings::generic_amd::Cpus::from_json_and_limits(
-                                        settings.cpus.clone(),
-                                        settings.version,
-                                        x,
-                                    ),
-                                ),
-                                CpuLimit::Unknown => {
-                                    Box::new(crate::settings::unknown::Cpus::from_json(
-                                        settings.cpus.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                            };
-                            builder.cpus = Some(cpu_driver);
-                        }
-                        Limits::Gpu(gpu) => {
-                            let driver: Box<dyn TGpu> = match gpu {
-                                GpuLimit::SteamDeck => {
-                                    Box::new(crate::settings::steam_deck::Gpu::from_json(
-                                        settings.gpu.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                                GpuLimit::SteamDeckAdvance => {
-                                    Box::new(crate::settings::steam_deck::Gpu::from_json(
-                                        settings.gpu.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                                GpuLimit::Generic(x) => {
-                                    Box::new(crate::settings::generic::Gpu::from_json_and_limits(
-                                        settings.gpu.clone(),
-                                        settings.version,
-                                        x,
-                                    ))
-                                }
-                                GpuLimit::GenericAMD(x) => Box::new(
-                                    crate::settings::generic_amd::Gpu::from_json_and_limits(
-                                        settings.gpu.clone(),
-                                        settings.version,
-                                        x,
-                                    ),
-                                ),
-                                GpuLimit::Unknown => {
-                                    Box::new(crate::settings::unknown::Gpu::from_json(
-                                        settings.gpu.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                            };
-                            builder.gpu = Some(driver);
-                        }
-                        Limits::Battery(batt) => {
-                            let driver: Box<dyn TBattery> = match batt {
-                                BatteryLimit::SteamDeck => {
-                                    Box::new(crate::settings::steam_deck::Battery::from_json(
-                                        settings.battery.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                                BatteryLimit::SteamDeckAdvance => {
-                                    Box::new(crate::settings::steam_deck::Battery::from_json(
-                                        settings.battery.clone(),
-                                        settings.version,
-                                    ))
-                                }
-                                BatteryLimit::Generic(x) => Box::new(
-                                    crate::settings::generic::Battery::from_json_and_limits(
-                                        settings.battery.clone(),
-                                        settings.version,
-                                        x,
-                                    ),
-                                ),
-                                BatteryLimit::Unknown => {
-                                    Box::new(crate::settings::unknown::Battery)
-                                }
-                            };
-                            builder.battery = Some(driver);
-                        }
+                *general_driver.persistent() = true;
+                let cpu_driver: Box<dyn TCpus> = match relevant_limits.cpu.provider {
+                    CpuLimitType::SteamDeck => Box::new(
+                        crate::settings::steam_deck::Cpus::from_json_and_limits(
+                            settings.cpus.clone(),
+                            settings.version,
+                            relevant_limits.cpu.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::LCD),
+                    ),
+                    CpuLimitType::SteamDeckOLED => Box::new(
+                        crate::settings::steam_deck::Cpus::from_json_and_limits(
+                            settings.cpus.clone(),
+                            settings.version,
+                            relevant_limits.cpu.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::OLED),
+                    ),
+                    CpuLimitType::Generic => Box::new(crate::settings::generic::Cpus::<
+                        crate::settings::generic::Cpu,
+                    >::from_json_and_limits(
+                        settings.cpus.clone(),
+                        settings.version,
+                        relevant_limits.cpu.limits,
+                    )),
+                    CpuLimitType::GenericAMD => {
+                        Box::new(crate::settings::generic_amd::Cpus::from_json_and_limits(
+                            settings.cpus.clone(),
+                            settings.version,
+                            relevant_limits.cpu.limits,
+                        ))
                     }
-                }
+                    CpuLimitType::Unknown => {
+                        Box::new(crate::settings::unknown::Cpus::from_json_and_limits(
+                            settings.cpus.clone(),
+                            settings.version,
+                            relevant_limits.cpu.limits,
+                        ))
+                    }
+                    CpuLimitType::DevMode => {
+                        Box::new(crate::settings::dev_mode::Cpus::from_json_and_limits(
+                            settings.cpus.clone(),
+                            settings.version,
+                            relevant_limits.cpu.limits,
+                        ))
+                    }
+                };
+
+                let gpu_driver: Box<dyn TGpu> = match relevant_limits.gpu.provider {
+                    GpuLimitType::SteamDeck => Box::new(
+                        crate::settings::steam_deck::Gpu::from_json_and_limits(
+                            settings.gpu.clone(),
+                            settings.version,
+                            relevant_limits.gpu.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::LCD),
+                    ),
+                    GpuLimitType::SteamDeckOLED => Box::new(
+                        crate::settings::steam_deck::Gpu::from_json_and_limits(
+                            settings.gpu.clone(),
+                            settings.version,
+                            relevant_limits.gpu.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::OLED),
+                    ),
+                    GpuLimitType::Generic => {
+                        Box::new(crate::settings::generic::Gpu::from_json_and_limits(
+                            settings.gpu.clone(),
+                            settings.version,
+                            relevant_limits.gpu.limits,
+                        ))
+                    }
+                    GpuLimitType::GenericAMD => {
+                        Box::new(crate::settings::generic_amd::Gpu::from_json_and_limits(
+                            settings.gpu.clone(),
+                            settings.version,
+                            relevant_limits.gpu.limits,
+                        ))
+                    }
+                    GpuLimitType::Unknown => {
+                        Box::new(crate::settings::unknown::Gpu::from_json_and_limits(
+                            settings.gpu.clone(),
+                            settings.version,
+                            relevant_limits.gpu.limits,
+                        ))
+                    }
+                    GpuLimitType::DevMode => {
+                        Box::new(crate::settings::dev_mode::Gpu::from_json_and_limits(
+                            settings.gpu.clone(),
+                            settings.version,
+                            relevant_limits.gpu.limits,
+                        ))
+                    }
+                };
+                let battery_driver: Box<dyn TBattery> = match relevant_limits.battery.provider {
+                    BatteryLimitType::SteamDeck => Box::new(
+                        crate::settings::steam_deck::Battery::from_json_and_limits(
+                            settings.battery.clone(),
+                            settings.version,
+                            relevant_limits.battery.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::LCD),
+                    ),
+                    BatteryLimitType::SteamDeckOLED => Box::new(
+                        crate::settings::steam_deck::Battery::from_json_and_limits(
+                            settings.battery.clone(),
+                            settings.version,
+                            relevant_limits.battery.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::OLED),
+                    ),
+                    BatteryLimitType::Generic => {
+                        Box::new(crate::settings::generic::Battery::from_json_and_limits(
+                            settings.battery.clone(),
+                            settings.version,
+                            relevant_limits.battery.limits,
+                        ))
+                    }
+                    BatteryLimitType::Unknown => {
+                        Box::new(crate::settings::unknown::Battery::from_json_and_limits(
+                            settings.battery.clone(),
+                            settings.version,
+                            relevant_limits.battery.limits,
+                        ))
+                    }
+                    BatteryLimitType::DevMode => {
+                        Box::new(crate::settings::dev_mode::Battery::from_json_and_limits(
+                            settings.battery.clone(),
+                            settings.version,
+                            relevant_limits.battery.limits,
+                        ))
+                    }
+                };
+
+                return Driver {
+                    general: general_driver,
+                    cpus: cpu_driver,
+                    gpu: gpu_driver,
+                    battery: battery_driver,
+                };
             } else {
-                for limit in conf.limits {
-                    match limit {
-                        Limits::Cpu(cpus) => {
-                            let cpu_driver: Box<dyn TCpus> = match cpus {
-                                CpuLimit::SteamDeck => {
-                                    Box::new(crate::settings::steam_deck::Cpus::system_default())
-                                }
-                                CpuLimit::SteamDeckAdvance => {
-                                    Box::new(crate::settings::steam_deck::Cpus::system_default())
-                                }
-                                CpuLimit::Generic(x) => {
-                                    Box::new(crate::settings::generic::Cpus::<
-                                        crate::settings::generic::Cpu,
-                                    >::from_limits(x))
-                                }
-                                CpuLimit::GenericAMD(x) => {
-                                    Box::new(crate::settings::generic_amd::Cpus::from_limits(x))
-                                }
-                                CpuLimit::Unknown => {
-                                    Box::new(crate::settings::unknown::Cpus::system_default())
-                                }
-                            };
-                            builder.cpus = Some(cpu_driver);
-                        }
-                        Limits::Gpu(gpu) => {
-                            let driver: Box<dyn TGpu> = match gpu {
-                                GpuLimit::SteamDeck => {
-                                    Box::new(crate::settings::steam_deck::Gpu::system_default())
-                                }
-                                GpuLimit::SteamDeckAdvance => {
-                                    Box::new(crate::settings::steam_deck::Gpu::system_default())
-                                }
-                                GpuLimit::Generic(x) => {
-                                    Box::new(crate::settings::generic::Gpu::from_limits(x))
-                                }
-                                GpuLimit::GenericAMD(x) => {
-                                    Box::new(crate::settings::generic_amd::Gpu::from_limits(x))
-                                }
-                                GpuLimit::Unknown => {
-                                    Box::new(crate::settings::unknown::Gpu::system_default())
-                                }
-                            };
-                            builder.gpu = Some(driver);
-                        }
-                        Limits::Battery(batt) => {
-                            let driver: Box<dyn TBattery> = match batt {
-                                BatteryLimit::SteamDeck => {
-                                    Box::new(crate::settings::steam_deck::Battery::system_default())
-                                }
-                                BatteryLimit::SteamDeckAdvance => {
-                                    Box::new(crate::settings::steam_deck::Battery::system_default())
-                                }
-                                BatteryLimit::Generic(x) => {
-                                    Box::new(crate::settings::generic::Battery::from_limits(x))
-                                }
-                                BatteryLimit::Unknown => {
-                                    Box::new(crate::settings::unknown::Battery)
-                                }
-                            };
-                            builder.battery = Some(driver);
-                        }
+                let cpu_driver: Box<dyn TCpus> = match relevant_limits.cpu.provider {
+                    CpuLimitType::SteamDeck => Box::new(
+                        crate::settings::steam_deck::Cpus::from_limits(relevant_limits.cpu.limits)
+                            .variant(super::super::steam_deck::Model::LCD),
+                    ),
+                    CpuLimitType::SteamDeckOLED => Box::new(
+                        crate::settings::steam_deck::Cpus::from_limits(relevant_limits.cpu.limits)
+                            .variant(super::super::steam_deck::Model::OLED),
+                    ),
+                    CpuLimitType::Generic => Box::new(crate::settings::generic::Cpus::<
+                        crate::settings::generic::Cpu,
+                    >::from_limits(
+                        relevant_limits.cpu.limits
+                    )),
+                    CpuLimitType::GenericAMD => Box::new(
+                        crate::settings::generic_amd::Cpus::from_limits(relevant_limits.cpu.limits),
+                    ),
+                    CpuLimitType::Unknown => Box::new(crate::settings::unknown::Cpus::from_limits(
+                        relevant_limits.cpu.limits,
+                    )),
+                    CpuLimitType::DevMode => Box::new(
+                        crate::settings::dev_mode::Cpus::from_limits(relevant_limits.cpu.limits),
+                    ),
+                };
+                let gpu_driver: Box<dyn TGpu> = match relevant_limits.gpu.provider {
+                    GpuLimitType::SteamDeck => Box::new(
+                        crate::settings::steam_deck::Gpu::from_limits(relevant_limits.gpu.limits)
+                            .variant(super::super::steam_deck::Model::LCD),
+                    ),
+                    GpuLimitType::SteamDeckOLED => Box::new(
+                        crate::settings::steam_deck::Gpu::from_limits(relevant_limits.gpu.limits)
+                            .variant(super::super::steam_deck::Model::OLED),
+                    ),
+                    GpuLimitType::Generic => Box::new(crate::settings::generic::Gpu::from_limits(
+                        relevant_limits.gpu.limits,
+                    )),
+                    GpuLimitType::GenericAMD => Box::new(
+                        crate::settings::generic_amd::Gpu::from_limits(relevant_limits.gpu.limits),
+                    ),
+                    GpuLimitType::Unknown => Box::new(crate::settings::unknown::Gpu::from_limits(
+                        relevant_limits.gpu.limits,
+                    )),
+                    GpuLimitType::DevMode => Box::new(crate::settings::dev_mode::Gpu::from_limits(
+                        relevant_limits.gpu.limits,
+                    )),
+                };
+                let battery_driver: Box<dyn TBattery> = match relevant_limits.battery.provider {
+                    BatteryLimitType::SteamDeck => Box::new(
+                        crate::settings::steam_deck::Battery::from_limits(
+                            relevant_limits.battery.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::LCD),
+                    ),
+                    BatteryLimitType::SteamDeckOLED => Box::new(
+                        crate::settings::steam_deck::Battery::from_limits(
+                            relevant_limits.battery.limits,
+                        )
+                        .variant(super::super::steam_deck::Model::OLED),
+                    ),
+                    BatteryLimitType::Generic => {
+                        Box::new(crate::settings::generic::Battery::from_limits(
+                            relevant_limits.battery.limits,
+                        ))
                     }
-                }
+                    BatteryLimitType::Unknown => {
+                        Box::new(crate::settings::unknown::Battery::from_limits(
+                            relevant_limits.battery.limits,
+                        ))
+                    }
+                    BatteryLimitType::DevMode => {
+                        Box::new(crate::settings::dev_mode::Battery::from_limits(
+                            relevant_limits.battery.limits,
+                        ))
+                    }
+                };
+                return Driver {
+                    general: general_driver,
+                    cpus: cpu_driver,
+                    gpu: gpu_driver,
+                    battery: battery_driver,
+                };
             }
         }
     }
 
-    builder.build()
-}
-
-struct DriverBuilder {
-    general: Box<dyn TGeneral>,
-    cpus: Option<Box<dyn TCpus>>,
-    gpu: Option<Box<dyn TGpu>>,
-    battery: Option<Box<dyn TBattery>>,
-}
-
-impl DriverBuilder {
-    fn new(json_path: std::path::PathBuf, profile_name: String) -> Self {
-        Self {
-            general: Box::new(General {
-                persistent: false,
-                path: json_path,
-                name: profile_name,
-                driver: DriverJson::AutoDetect,
-                events: Default::default(),
-            }),
-            cpus: None,
-            gpu: None,
-            battery: None,
-        }
-    }
-
-    fn is_complete(&self) -> bool {
-        self.cpus.is_some() && self.gpu.is_some() && self.battery.is_some()
-    }
-
-    fn build(self) -> Driver {
-        Driver {
-            general: self.general,
-            cpus: self
-                .cpus
-                .unwrap_or_else(|| Box::new(crate::settings::unknown::Cpus::system_default())),
-            gpu: self
-                .gpu
-                .unwrap_or_else(|| Box::new(crate::settings::unknown::Gpu::system_default())),
-            battery: self
-                .battery
-                .unwrap_or_else(|| Box::new(crate::settings::unknown::Battery)),
-        }
+    Driver {
+        general: general_driver,
+        cpus: Box::new(crate::settings::unknown::Cpus::system_default()),
+        gpu: Box::new(crate::settings::unknown::Gpu::system_default()),
+        battery: Box::new(crate::settings::unknown::Battery),
     }
 }
diff --git a/backend/src/settings/detect/limits_worker.rs b/backend/src/settings/detect/limits_worker.rs
index 8a52b96..9c671fa 100644
--- a/backend/src/settings/detect/limits_worker.rs
+++ b/backend/src/settings/detect/limits_worker.rs
@@ -1,52 +1,69 @@
 use std::thread::{self, JoinHandle};
-#[cfg(feature = "online")]
-use std::time::Duration;
 
-use limits_core::json::Base;
+use limits_core::json_v2::Base;
+
+#[inline]
+fn expired_updated_time() -> chrono::DateTime<chrono::offset::Utc> {
+    chrono::offset::Utc::now() - (crate::consts::LIMITS_REFRESH_PERIOD * 2)
+}
 
 #[cfg(feature = "online")]
 pub fn spawn() -> JoinHandle<()> {
     thread::spawn(move || {
         log::info!("limits_worker starting...");
-        let sleep_dur = Duration::from_secs(60 * 60 * 24); // 1 day
         let limits_path = super::utility::limits_path();
+        thread::sleep(crate::consts::LIMITS_STARTUP_WAIT);
+        log::info!("limits_worker completed startup wait");
         loop {
             if (limits_path.exists() && limits_path.is_file()) || !limits_path.exists() {
                 // try to load limits from file, fallback to built-in default
-                let base = if limits_path.exists() {
+                let mut base = if limits_path.exists() {
                     match std::fs::File::open(&limits_path) {
-                        Ok(f) => match serde_json::from_reader(f) {
+                        Ok(f) => match ron::de::from_reader(f) {
                             Ok(b) => b,
                             Err(e) => {
                                 log::error!("Cannot parse {}: {}", limits_path.display(), e);
-                                Base::default()
+                                crate::utility::CachedData {
+                                    data: Base::default(),
+                                    updated: expired_updated_time(),
+                                }
                             }
                         },
                         Err(e) => {
                             log::error!("Cannot open {}: {}", limits_path.display(), e);
-                            Base::default()
+                            crate::utility::CachedData {
+                                data: Base::default(),
+                                updated: expired_updated_time(),
+                            }
                         }
                     }
                 } else {
-                    let base = Base::default();
-                    save_base(&base, &limits_path);
+                    let mut base = crate::utility::CachedData {
+                        data: Base::default(),
+                        updated: expired_updated_time(),
+                    };
+                    save_base(&mut base, &limits_path);
                     base
                 };
-                if let Some(refresh) = &base.refresh {
-                    // try to retrieve newer version
-                    match ureq::get(refresh).call() {
-                        Ok(response) => {
-                            let json_res: std::io::Result<Base> = response.into_json();
-                            match json_res {
-                                Ok(new_base) => {
-                                    save_base(&new_base, &limits_path);
-                                }
-                                Err(e) => {
-                                    log::error!("Cannot parse response from `{}`: {}", refresh, e)
+                crate::api::web::set_base_url(base.data.store.clone());
+                if let Some(refresh) = &base.data.refresh {
+                    if base.needs_update(crate::consts::LIMITS_REFRESH_PERIOD) {
+                        // try to retrieve newer version
+                        match ureq::get(refresh).call() {
+                            Ok(response) => {
+                                let json_res: std::io::Result<Base> = response.into_json();
+                                match json_res {
+                                    Ok(new_base) => {
+                                        base.data = new_base;
+                                        save_base(&mut base, &limits_path);
+                                    }
+                                    Err(e) => {
+                                        log::error!("Cannot parse response from `{}`: {}", refresh, e)
+                                    }
                                 }
                             }
+                            Err(e) => log::warn!("Cannot download limits from `{}`: {}", refresh, e),
                         }
-                        Err(e) => log::warn!("Cannot download limits from `{}`: {}", refresh, e),
                     }
                 } else {
                     log::info!("limits_worker refresh is empty, terminating...");
@@ -55,7 +72,7 @@ pub fn spawn() -> JoinHandle<()> {
             } else if !limits_path.is_file() {
                 log::error!("Path for storing limits is not a file!");
             }
-            thread::sleep(sleep_dur);
+            thread::sleep(crate::consts::LIMITS_CHECK_PERIOD);
         }
         log::warn!("limits_worker completed!");
     })
@@ -68,39 +85,43 @@ pub fn spawn() -> JoinHandle<()> {
     })
 }
 
-pub fn get_limits_cached() -> Base {
+pub fn get_limits_cached() ->  Base {
     let limits_path = super::utility::limits_path();
-    if limits_path.is_file() {
+    let cached: crate::utility::CachedData<Base> = if limits_path.is_file() {
         match std::fs::File::open(&limits_path) {
-            Ok(f) => match serde_json::from_reader(f) {
+            Ok(f) => match ron::de::from_reader(f) {
                 Ok(b) => b,
                 Err(e) => {
                     log::error!("Cannot parse {}: {}", limits_path.display(), e);
-                    Base::default()
+                    return Base::default();
                 }
             },
             Err(e) => {
                 log::error!("Cannot open {}: {}", limits_path.display(), e);
-                Base::default()
+                return Base::default();
             }
         }
     } else {
-        Base::default()
-    }
+        return Base::default();
+    };
+    cached.data
 }
 
 #[cfg(feature = "online")]
-fn save_base(new_base: &Base, path: impl AsRef<std::path::Path>) {
+fn save_base(new_base: &mut crate::utility::CachedData<Base>, path: impl AsRef<std::path::Path>) {
     let limits_path = path.as_ref();
+    new_base.updated = chrono::offset::Utc::now();
     match std::fs::File::create(&limits_path) {
-        Ok(f) => match serde_json::to_writer_pretty(f, &new_base) {
-            Ok(_) => log::info!("Successfully saved new limits to {}", limits_path.display()),
-            Err(e) => log::error!(
-                "Failed to save limits json to file `{}`: {}",
-                limits_path.display(),
-                e
-            ),
-        },
+        Ok(f) => {
+            match ron::ser::to_writer_pretty(f, new_base, crate::utility::ron_pretty_config()) {
+                Ok(_) => log::info!("Successfully saved new limits to {}", limits_path.display()),
+                Err(e) => log::error!(
+                    "Failed to save limits json to file `{}`: {}",
+                    limits_path.display(),
+                    e
+                ),
+            }
+        }
         Err(e) => log::error!("Cannot create {}: {}", limits_path.display(), e),
     }
 }
diff --git a/backend/src/settings/detect/utility.rs b/backend/src/settings/detect/utility.rs
index c278e66..27d37a8 100644
--- a/backend/src/settings/detect/utility.rs
+++ b/backend/src/settings/detect/utility.rs
@@ -1,14 +1,18 @@
-use limits_core::json::{DeveloperMessage, Base};
+use limits_core::json::{Base, DeveloperMessage};
 
 pub fn limits_path() -> std::path::PathBuf {
     crate::utility::settings_dir().join(crate::consts::LIMITS_FILE)
 }
 
+pub fn limits_override_path() -> std::path::PathBuf {
+    crate::utility::settings_dir().join(crate::consts::LIMITS_OVERRIDE_FILE)
+}
+
 // NOTE: eats errors
 pub fn get_dev_messages() -> Vec<DeveloperMessage> {
     let limits_path = limits_path();
     if let Ok(file) = std::fs::File::open(&limits_path) {
-        if let Ok(base) = serde_json::from_reader::<_, Base>(file) {
+        if let Ok(base) = ron::de::from_reader::<_, Base>(file) {
             base.messages
         } else {
             vec![]
diff --git a/backend/src/settings/dev_mode/battery.rs b/backend/src/settings/dev_mode/battery.rs
new file mode 100644
index 0000000..a0fe208
--- /dev/null
+++ b/backend/src/settings/dev_mode/battery.rs
@@ -0,0 +1,184 @@
+use std::convert::Into;
+
+use limits_core::json_v2::GenericBatteryLimit;
+
+use crate::persist::BatteryJson;
+use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TBattery};
+
+#[derive(Clone)]
+pub struct Battery {
+    persist: BatteryJson,
+    version: u64,
+    limits: GenericBatteryLimit,
+    charge_limit: Option<f64>,
+}
+
+impl std::fmt::Debug for Battery {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("dev_mode_Battery")
+            //.field("persist", &self.persist)
+            .field("version", &self.version)
+            .field("limits", &self.limits)
+            .finish_non_exhaustive()
+    }
+}
+
+impl Into<BatteryJson> for Battery {
+    #[inline]
+    fn into(self) -> BatteryJson {
+        self.persist
+    }
+}
+
+impl ProviderBuilder<BatteryJson, GenericBatteryLimit> for Battery {
+    fn from_json_and_limits(
+        persist: BatteryJson,
+        version: u64,
+        limits: GenericBatteryLimit,
+    ) -> Self {
+        Battery {
+            persist,
+            version,
+            limits,
+            charge_limit: None,
+        }
+    }
+
+    fn from_limits(limits: GenericBatteryLimit) -> Self {
+        Battery {
+            persist: BatteryJson {
+                charge_rate: None,
+                charge_mode: None,
+                events: vec![],
+                root: None,
+            },
+            version: 0,
+            limits,
+            charge_limit: None,
+        }
+    }
+}
+
+impl OnSet for Battery {
+    fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Battery::on_set(self)");
+        Ok(())
+    }
+}
+
+impl OnResume for Battery {
+    fn on_resume(&self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Battery::on_resume(self)");
+        Ok(())
+    }
+}
+
+impl crate::settings::OnPowerEvent for Battery {}
+
+impl crate::settings::OnLoad for Battery {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Battery::on_load(self)");
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Battery {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Battery::on_unload(self)");
+        Ok(())
+    }
+}
+
+impl TBattery for Battery {
+    fn limits(&self) -> crate::api::BatteryLimits {
+        log::debug!("dev_mode_Battery::limits(self) -> {{...}}");
+        crate::api::BatteryLimits {
+            charge_current: self.limits.charge_rate.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(11),
+                max: lim.max.unwrap_or(1111),
+            }),
+            charge_current_step: 10,
+            charge_modes: self.limits.charge_modes.clone(),
+            charge_limit: self.limits.charge_limit.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(2.0),
+                max: lim.max.unwrap_or(98.0),
+            }),
+            charge_limit_step: 1.0,
+        }
+    }
+
+    fn json(&self) -> crate::persist::BatteryJson {
+        log::debug!("dev_mode_Battery::json(self) -> {{...}}");
+        self.clone().into()
+    }
+
+    fn charge_rate(&mut self, rate: Option<u64>) {
+        log::debug!("dev_mode_Battery::charge_rate(self, {:?})", rate);
+        self.persist.charge_rate = rate;
+    }
+
+    fn get_charge_rate(&self) -> Option<u64> {
+        log::debug!(
+            "dev_mode_Battery::get_charge_rate(self) -> {:?}",
+            self.persist.charge_rate
+        );
+        self.persist.charge_rate
+    }
+
+    fn charge_mode(&mut self, rate: Option<String>) {
+        log::debug!("dev_mode_Battery::charge_mode(self, {:?})", rate);
+        self.persist.charge_mode = rate;
+    }
+
+    fn get_charge_mode(&self) -> Option<String> {
+        log::debug!(
+            "dev_mode_Battery::get_charge_mode(self) -> {:?}",
+            self.persist.charge_mode
+        );
+        self.persist.charge_mode.clone()
+    }
+
+    fn read_charge_full(&self) -> Option<f64> {
+        log::debug!("dev_mode_Battery::read_charge_full(self) -> None");
+        None
+    }
+
+    fn read_charge_now(&self) -> Option<f64> {
+        log::debug!("dev_mode_Battery::read_charge_now(self) -> None");
+        None
+    }
+
+    fn read_charge_design(&self) -> Option<f64> {
+        log::debug!("dev_mode_Battery::read_charge_design(self) -> None");
+        None
+    }
+
+    fn read_current_now(&self) -> Option<f64> {
+        log::debug!("dev_mode_Battery::read_current_now(self) -> None");
+        None
+    }
+
+    fn read_charge_power(&self) -> Option<f64> {
+        log::debug!("dev_mode_Battery::read_charge_power(self) -> None");
+        None
+    }
+
+    fn charge_limit(&mut self, limit: Option<f64>) {
+        log::debug!("dev_mode_Battery::charge_limit(self, {:?})", limit);
+        self.charge_limit = limit;
+    }
+
+    fn get_charge_limit(&self) -> Option<f64> {
+        log::debug!(
+            "dev_mode_Battery::get_charge_limit(self) -> {:?}",
+            self.charge_limit
+        );
+        self.charge_limit
+    }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        log::debug!("dev_mode_Battery::provider(self) -> DevMode");
+        crate::persist::DriverJson::DevMode
+    }
+}
diff --git a/backend/src/settings/dev_mode/cpu.rs b/backend/src/settings/dev_mode/cpu.rs
new file mode 100644
index 0000000..059aaa8
--- /dev/null
+++ b/backend/src/settings/dev_mode/cpu.rs
@@ -0,0 +1,282 @@
+use std::convert::Into;
+
+use limits_core::json_v2::{GenericCpuLimit, GenericCpusLimit};
+
+use crate::persist::CpuJson;
+use crate::settings::MinMax;
+use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TCpu, TCpus};
+
+#[derive(Debug, Clone)]
+pub struct Cpus {
+    cpus: Vec<Cpu>,
+    #[allow(dead_code)]
+    version: u64,
+    smt_enabled: bool,
+    #[allow(dead_code)]
+    limits: GenericCpusLimit,
+}
+
+impl OnSet for Cpus {
+    fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Cpus::on_set(self)");
+        for cpu in self.cpus.iter_mut() {
+            cpu.on_set()?;
+        }
+        Ok(())
+    }
+}
+
+impl OnResume for Cpus {
+    fn on_resume(&self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Cpus::on_resume(self)");
+        for cpu in self.cpus.iter() {
+            cpu.on_resume()?;
+        }
+        Ok(())
+    }
+}
+
+impl crate::settings::OnPowerEvent for Cpus {}
+
+impl crate::settings::OnLoad for Cpus {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Cpus::on_load(self)");
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Cpus {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Cpus::on_unload(self)");
+        Ok(())
+    }
+}
+
+impl ProviderBuilder<Vec<CpuJson>, GenericCpusLimit> for Cpus {
+    fn from_json_and_limits(
+        persistent: Vec<CpuJson>,
+        version: u64,
+        limits: GenericCpusLimit,
+    ) -> Self {
+        let mut cpus = Vec::with_capacity(persistent.len());
+        for (i, cpu) in persistent.iter().enumerate() {
+            cpus.push(Cpu::from_json_and_limits(
+                cpu.to_owned(),
+                version,
+                i,
+                limits.cpus.get(i).map(|x| x.to_owned()).unwrap_or_else(|| {
+                    log::warn!("No cpu limit for index {}, using default", i);
+                    Default::default()
+                }),
+            ));
+        }
+        let smt_guess = crate::settings::util::guess_smt(&persistent);
+        Self {
+            cpus,
+            version,
+            smt_enabled: smt_guess,
+            limits,
+        }
+    }
+
+    fn from_limits(limits: GenericCpusLimit) -> Self {
+        let mut cpus = Vec::with_capacity(limits.cpus.len());
+        for (i, cpu) in limits.cpus.iter().enumerate() {
+            cpus.push(Cpu::from_limits(i, cpu.to_owned()));
+        }
+        Self {
+            cpus,
+            version: 0,
+            smt_enabled: true,
+            limits,
+        }
+    }
+}
+
+impl TCpus for Cpus {
+    fn limits(&self) -> crate::api::CpusLimits {
+        log::debug!("dev_mode_Cpus::limits(self) -> {{...}}");
+        crate::api::CpusLimits {
+            cpus: self.cpus.iter().map(|x| x.limits()).collect(),
+            count: self.cpus.len(),
+            smt_capable: true,
+            governors: vec![
+                "this".to_owned(),
+                "is".to_owned(),
+                "dev".to_owned(),
+                "mode".to_owned(),
+            ],
+        }
+    }
+
+    fn json(&self) -> Vec<CpuJson> {
+        log::debug!("dev_mode_Cpus::json(self) -> {{...}}");
+        self.cpus.iter().map(|x| x.to_owned().into()).collect()
+    }
+
+    fn cpus(&mut self) -> Vec<&mut dyn TCpu> {
+        log::debug!("dev_mode_Cpus::cpus(self) -> {{...}}");
+        self.cpus.iter_mut().map(|x| x as &mut dyn TCpu).collect()
+    }
+
+    fn len(&self) -> usize {
+        log::debug!("dev_mode_Cpus::len(self) -> {}", self.cpus.len());
+        self.cpus.len()
+    }
+
+    fn smt(&mut self) -> &'_ mut bool {
+        log::debug!("dev_mode_Cpus::smt(self) -> {}", self.smt_enabled);
+        &mut self.smt_enabled
+    }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        log::debug!("dev_mode_Cpus::provider(self) -> DevMode");
+        crate::persist::DriverJson::DevMode
+    }
+}
+
+#[derive(Clone)]
+pub struct Cpu {
+    persist: CpuJson,
+    version: u64,
+    index: usize,
+    limits: GenericCpuLimit,
+    clock_limits: Option<MinMax<u64>>,
+}
+
+impl std::fmt::Debug for Cpu {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("dev_mode_Cpu")
+            //.field("persist", &self.persist)
+            .field("version", &self.version)
+            .field("index", &self.index)
+            .field("limits", &self.limits)
+            .finish_non_exhaustive()
+    }
+}
+
+impl Cpu {
+    #[inline]
+    pub fn from_json_and_limits(
+        other: CpuJson,
+        version: u64,
+        i: usize,
+        limits: GenericCpuLimit,
+    ) -> Self {
+        let clock_limits = other.clock_limits.clone().map(|lim| MinMax {
+            min: lim.min,
+            max: lim.max,
+        });
+        match version {
+            0 => Self {
+                persist: other,
+                version,
+                index: i,
+                limits,
+                clock_limits,
+            },
+            _ => Self {
+                persist: other,
+                version,
+                index: i,
+                limits,
+                clock_limits,
+            },
+        }
+    }
+
+    #[inline]
+    pub fn from_limits(i: usize, limits: GenericCpuLimit) -> Self {
+        Self {
+            persist: CpuJson {
+                online: true,
+                clock_limits: None,
+                governor: "".to_owned(),
+                root: None,
+            },
+            version: 0,
+            index: i,
+            limits,
+            clock_limits: None,
+        }
+    }
+
+    fn limits(&self) -> crate::api::CpuLimits {
+        crate::api::CpuLimits {
+            clock_min_limits: self.limits.clock_min.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(1100),
+                max: lim.max.unwrap_or(6900),
+            }),
+            clock_max_limits: self.limits.clock_max.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(4200),
+                max: lim.max.unwrap_or(4300),
+            }),
+            clock_step: self.limits.clock_step.unwrap_or(11),
+            governors: vec![
+                "this".to_owned(),
+                "is".to_owned(),
+                "dev".to_owned(),
+                "mode".to_owned(),
+            ],
+        }
+    }
+}
+
+impl Into<CpuJson> for Cpu {
+    #[inline]
+    fn into(self) -> CpuJson {
+        self.persist
+    }
+}
+
+impl OnSet for Cpu {
+    fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Cpu::on_set(self)");
+        Ok(())
+    }
+}
+
+impl OnResume for Cpu {
+    fn on_resume(&self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Cpu::on_resume(self)");
+        Ok(())
+    }
+}
+
+impl TCpu for Cpu {
+    fn online(&mut self) -> &mut bool {
+        log::debug!("dev_mode_Cpu::online(self) -> {}", self.persist.online);
+        &mut self.persist.online
+    }
+
+    fn governor(&mut self, governor: String) {
+        log::debug!("dev_mode_Cpu::governor(self, {})", governor);
+        self.persist.governor = governor;
+    }
+
+    fn get_governor(&self) -> &'_ str {
+        log::debug!("dev_mode_Cpu::governor(self) -> {}", self.persist.governor);
+        &self.persist.governor
+    }
+
+    fn clock_limits(&mut self, limits: Option<MinMax<u64>>) {
+        log::debug!("dev_mode_Cpu::clock_limits(self, {:?})", limits);
+        self.clock_limits = limits;
+        self.persist.clock_limits =
+            self.clock_limits
+                .clone()
+                .map(|lim| crate::persist::MinMaxJson {
+                    max: lim.max,
+                    min: lim.min,
+                });
+    }
+
+    fn get_clock_limits(&self) -> Option<&MinMax<u64>> {
+        log::debug!(
+            "dev_mode_Cpu::get_clock_limits(self) -> {:?}",
+            self.clock_limits.as_ref()
+        );
+        self.clock_limits.as_ref()
+    }
+}
diff --git a/backend/src/settings/dev_mode/gpu.rs b/backend/src/settings/dev_mode/gpu.rs
new file mode 100644
index 0000000..42963a7
--- /dev/null
+++ b/backend/src/settings/dev_mode/gpu.rs
@@ -0,0 +1,216 @@
+use std::convert::Into;
+
+use limits_core::json_v2::GenericGpuLimit;
+
+use crate::persist::GpuJson;
+use crate::settings::MinMax;
+use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TGpu};
+
+#[derive(Clone)]
+pub struct Gpu {
+    persist: GpuJson,
+    version: u64,
+    limits: GenericGpuLimit,
+    clock_limits: Option<MinMax<u64>>,
+}
+
+impl std::fmt::Debug for Gpu {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("dev_mode_Gpu")
+            //.field("persist", &self.persist)
+            .field("version", &self.version)
+            .field("limits", &self.limits)
+            .finish_non_exhaustive()
+    }
+}
+
+impl ProviderBuilder<GpuJson, GenericGpuLimit> for Gpu {
+    fn from_json_and_limits(persist: GpuJson, version: u64, limits: GenericGpuLimit) -> Self {
+        let clock_limits = persist.clock_limits.clone().map(|lim| MinMax {
+            min: lim.min,
+            max: lim.max,
+        });
+        Self {
+            persist,
+            version,
+            limits,
+            clock_limits,
+        }
+    }
+
+    fn from_limits(limits: GenericGpuLimit) -> Self {
+        Self {
+            persist: GpuJson {
+                fast_ppt: None,
+                slow_ppt: None,
+                tdp: None,
+                tdp_boost: None,
+                clock_limits: None,
+                memory_clock: None,
+                root: None,
+            },
+            version: 0,
+            limits,
+            clock_limits: None,
+        }
+    }
+}
+
+impl Into<GpuJson> for Gpu {
+    #[inline]
+    fn into(self) -> GpuJson {
+        self.persist
+    }
+}
+
+impl OnSet for Gpu {
+    fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Gpu::on_set(self)");
+        Ok(())
+    }
+}
+
+impl OnResume for Gpu {
+    fn on_resume(&self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Gpu::on_resume(self)");
+        Ok(())
+    }
+}
+
+impl crate::settings::OnPowerEvent for Gpu {}
+
+impl crate::settings::OnLoad for Gpu {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Gpu::on_load(self)");
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Gpu {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        log::debug!("dev_mode_Gpu::on_unload(self)");
+        Ok(())
+    }
+}
+
+impl TGpu for Gpu {
+    fn limits(&self) -> crate::api::GpuLimits {
+        log::debug!("dev_mode_Gpu::limits(self) -> {{...}}");
+        let ppt_divisor = self.limits.ppt_divisor.unwrap_or(1_000_000);
+        let tdp_divisor = self.limits.tdp_divisor.unwrap_or(1_000_000);
+        let limit_struct = crate::api::GpuLimits {
+            fast_ppt_limits: self.limits.fast_ppt.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(11_000_000) / ppt_divisor,
+                max: lim.max.unwrap_or(42_000_000) / ppt_divisor,
+            }),
+            fast_ppt_default: self
+                .limits
+                .fast_ppt_default
+                .or_else(|| self.limits.fast_ppt.and_then(|x| x.max))
+                .unwrap_or(2_000_000)
+                / ppt_divisor,
+            slow_ppt_limits: self.limits.slow_ppt.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(7_000_000) / ppt_divisor,
+                max: lim.max.unwrap_or(69_000_000) / ppt_divisor,
+            }),
+            slow_ppt_default: self
+                .limits
+                .slow_ppt_default
+                .or_else(|| self.limits.slow_ppt.and_then(|x| x.max))
+                .unwrap_or(3_000_000)
+                / ppt_divisor,
+            ppt_step: self.limits.ppt_step.unwrap_or(1),
+            tdp_limits: self.limits.tdp.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(11_000_000) / tdp_divisor,
+                max: lim.max.unwrap_or(69_000_000) / tdp_divisor,
+            }),
+            tdp_boost_limits: self.limits.tdp_boost.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(7_000_000) / tdp_divisor,
+                max: lim.max.unwrap_or(69_000_000) / tdp_divisor,
+            }),
+            tdp_step: self.limits.tdp_step.unwrap_or(1),
+            clock_min_limits: self.limits.clock_min.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(1100),
+                max: lim.max.unwrap_or(6900),
+            }),
+            clock_max_limits: self.limits.clock_max.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(1100),
+                max: lim.max.unwrap_or(4200),
+            }),
+            clock_step: self.limits.clock_step.unwrap_or(100),
+            memory_control: self.limits.memory_clock.map(|lim| crate::api::RangeLimit {
+                min: lim.min.unwrap_or(100),
+                max: lim.max.unwrap_or(1100),
+            }),
+            memory_step: self.limits.memory_clock_step.unwrap_or(400),
+        };
+        log::debug!(
+            "dev_mode_Gpu::limits(self) -> {}",
+            serde_json::to_string_pretty(&limit_struct).unwrap()
+        );
+        limit_struct
+    }
+
+    fn json(&self) -> crate::persist::GpuJson {
+        log::debug!("dev_mode_Gpu::json(self) -> {{...}}");
+        self.clone().into()
+    }
+
+    fn ppt(&mut self, fast: Option<u64>, slow: Option<u64>) {
+        log::debug!(
+            "dev_mode_Gpu::ppt(self, fast: {:?}, slow: {:?})",
+            fast,
+            slow
+        );
+        self.persist.fast_ppt = fast;
+        self.persist.slow_ppt = slow;
+    }
+
+    fn get_ppt(&self) -> (Option<u64>, Option<u64>) {
+        log::debug!(
+            "dev_mode_Gpu::get_ppt(self) -> (fast: {:?}, slow: {:?})",
+            self.persist.fast_ppt,
+            self.persist.slow_ppt
+        );
+        (self.persist.fast_ppt, self.persist.slow_ppt)
+    }
+
+    fn clock_limits(&mut self, limits: Option<MinMax<u64>>) {
+        log::debug!("dev_mode_Gpu::clock_limits(self, {:?})", limits);
+        self.clock_limits = limits;
+        self.persist.clock_limits =
+            self.clock_limits
+                .clone()
+                .map(|lim| crate::persist::MinMaxJson {
+                    max: lim.max,
+                    min: lim.min,
+                });
+    }
+
+    fn get_clock_limits(&self) -> Option<&MinMax<u64>> {
+        log::debug!(
+            "dev_mode_Gpu::get_clock_limits(self) -> {:?}",
+            self.clock_limits.as_ref()
+        );
+        self.clock_limits.as_ref()
+    }
+
+    fn memory_clock(&mut self, speed: Option<u64>) {
+        log::debug!("dev_mode_Gpu::memory_clock(self, {:?})", speed);
+        self.persist.memory_clock = speed;
+    }
+
+    fn get_memory_clock(&self) -> Option<u64> {
+        log::debug!(
+            "dev_mode_Gpu::memory_clock(self) -> {:?}",
+            self.persist.memory_clock
+        );
+        self.persist.memory_clock
+    }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        log::debug!("dev_mode_Gpu::provider(self) -> DevMode");
+        crate::persist::DriverJson::DevMode
+    }
+}
diff --git a/backend/src/settings/dev_mode/mod.rs b/backend/src/settings/dev_mode/mod.rs
new file mode 100644
index 0000000..58b6ac1
--- /dev/null
+++ b/backend/src/settings/dev_mode/mod.rs
@@ -0,0 +1,23 @@
+mod battery;
+mod cpu;
+mod gpu;
+
+pub use battery::Battery;
+pub use cpu::Cpus;
+pub use gpu::Gpu;
+
+fn _impl_checker() {
+    fn impl_provider_builder<T: crate::settings::ProviderBuilder<J, L>, J, L>() {}
+
+    impl_provider_builder::<
+        Battery,
+        crate::persist::BatteryJson,
+        limits_core::json_v2::GenericBatteryLimit,
+    >();
+    impl_provider_builder::<
+        Cpus,
+        Vec<crate::persist::CpuJson>,
+        limits_core::json_v2::GenericCpusLimit,
+    >();
+    impl_provider_builder::<Gpu, crate::persist::GpuJson, limits_core::json_v2::GenericGpuLimit>();
+}
diff --git a/backend/src/settings/driver.rs b/backend/src/settings/driver.rs
index 4192f6f..128cf30 100644
--- a/backend/src/settings/driver.rs
+++ b/backend/src/settings/driver.rs
@@ -1,4 +1,4 @@
-use super::{auto_detect0, General, SettingError, TBattery, TCpus, TGeneral, TGpu};
+use super::{auto_detect0, TBattery, TCpus, TGeneral, TGpu};
 use crate::persist::{DriverJson, SettingsJson};
 
 pub struct Driver {
@@ -10,102 +10,24 @@ pub struct Driver {
 
 impl Driver {
     pub fn init(
-        settings: SettingsJson,
+        name: String,
+        settings: &SettingsJson,
         json_path: std::path::PathBuf,
-    ) -> Result<Self, SettingError> {
-        Ok(match settings.version {
-            0 => Self::version0(settings, json_path)?,
-            _ => Self {
-                general: Box::new(General {
-                    persistent: settings.persistent,
-                    path: json_path,
-                    name: settings.name,
-                    driver: DriverJson::SteamDeck,
-                    events: settings.events.unwrap_or_default(),
-                }),
-                cpus: Box::new(super::steam_deck::Cpus::from_json(
-                    settings.cpus,
-                    settings.version,
-                )),
-                gpu: Box::new(super::steam_deck::Gpu::from_json(
-                    settings.gpu,
-                    settings.version,
-                )),
-                battery: Box::new(super::steam_deck::Battery::from_json(
-                    settings.battery,
-                    settings.version,
-                )),
-            },
-        })
+        app_id: u64,
+    ) -> Self {
+        let name_bup = settings.name.clone();
+        let id_bup = settings.variant;
+        auto_detect0(Some(settings), json_path, app_id, name, id_bup, name_bup)
     }
 
-    fn version0(
-        settings: SettingsJson,
+    pub fn system_default(
         json_path: std::path::PathBuf,
-    ) -> Result<Self, SettingError> {
-        let name = settings.name.clone();
-        if let Some(provider) = &settings.provider {
-            match provider {
-                DriverJson::SteamDeck => Ok(Self {
-                    general: Box::new(General {
-                        persistent: settings.persistent,
-                        path: json_path,
-                        name: settings.name,
-                        driver: DriverJson::SteamDeck,
-                        events: settings.events.unwrap_or_default(),
-                    }),
-                    cpus: Box::new(super::steam_deck::Cpus::from_json(
-                        settings.cpus,
-                        settings.version,
-                    )),
-                    gpu: Box::new(super::steam_deck::Gpu::from_json(
-                        settings.gpu,
-                        settings.version,
-                    )),
-                    battery: Box::new(super::steam_deck::Battery::from_json(
-                        settings.battery,
-                        settings.version,
-                    )),
-                }),
-                // There's nothing special about SteamDeckAdvance, it just appears different
-                DriverJson::SteamDeckAdvance => Ok(Self {
-                    general: Box::new(General {
-                        persistent: settings.persistent,
-                        path: json_path,
-                        name: settings.name,
-                        driver: DriverJson::SteamDeckAdvance,
-                        events: settings.events.unwrap_or_default(),
-                    }),
-                    cpus: Box::new(super::steam_deck::Cpus::from_json(
-                        settings.cpus,
-                        settings.version,
-                    )),
-                    gpu: Box::new(super::steam_deck::Gpu::from_json(
-                        settings.gpu,
-                        settings.version,
-                    )),
-                    battery: Box::new(super::steam_deck::Battery::from_json(
-                        settings.battery,
-                        settings.version,
-                    )),
-                }),
-                DriverJson::Generic | DriverJson::GenericAMD => {
-                    Ok(super::detect::auto_detect0(Some(settings), json_path, name))
-                }
-                DriverJson::Unknown => {
-                    Ok(super::detect::auto_detect0(Some(settings), json_path, name))
-                }
-                DriverJson::AutoDetect => {
-                    Ok(super::detect::auto_detect0(Some(settings), json_path, name))
-                }
-            }
-        } else {
-            Ok(super::detect::auto_detect0(Some(settings), json_path, name))
-        }
-    }
-
-    pub fn system_default(json_path: std::path::PathBuf, name: String) -> Self {
-        auto_detect0(None, json_path, name)
+        app_id: u64,
+        name: String,
+        variant_id: u64,
+        variant_name: String,
+    ) -> Self {
+        auto_detect0(None, json_path, app_id, name, variant_id, variant_name)
     }
 }
 
@@ -113,7 +35,7 @@ impl Driver {
 #[inline]
 pub fn maybe_do_button() {
     match super::auto_detect_provider() {
-        DriverJson::SteamDeck | DriverJson::SteamDeckAdvance => {
+        DriverJson::SteamDeck | DriverJson::SteamDeckOLED => {
             crate::settings::steam_deck::flash_led();
         }
         DriverJson::Generic | DriverJson::GenericAMD => {
@@ -121,5 +43,6 @@ pub fn maybe_do_button() {
         }
         DriverJson::Unknown => log::warn!("Can't do button activities on unknown platform"),
         DriverJson::AutoDetect => log::warn!("WTF, why is auto_detect detecting AutoDetect???"),
+        DriverJson::DevMode => log::error!("Hello dev world!"),
     }
 }
diff --git a/backend/src/settings/general.rs b/backend/src/settings/general.rs
index 1f47bc2..ea95661 100644
--- a/backend/src/settings/general.rs
+++ b/backend/src/settings/general.rs
@@ -2,9 +2,9 @@ use std::path::PathBuf;
 //use std::sync::{Arc, Mutex};
 
 //use super::{Battery, Cpus, Gpu};
-use super::{OnResume, OnSet, SettingError};
+use super::{OnLoad, OnPowerEvent, OnResume, OnSet, OnUnload, SettingError};
 use super::{TBattery, TCpus, TGeneral, TGpu};
-use crate::persist::SettingsJson;
+use crate::persist::{FileJson, SettingsJson};
 //use crate::utility::unwrap_lock;
 
 const LATEST_VERSION: u64 = 0;
@@ -32,50 +32,39 @@ impl std::fmt::Display for SettingVariant {
 pub struct General {
     pub persistent: bool,
     pub path: PathBuf,
+    pub app_id: u64,
     pub name: String,
+    pub variant_id: u64,
+    pub variant_name: String,
     pub driver: crate::persist::DriverJson,
-    pub events: crate::persist::OnEventJson,
+    pub tags: Vec<String>,
 }
 
 impl OnSet for General {
     fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
-        if let Some(event) = &self.events.on_set {
-            if !event.is_empty() {
-                std::process::Command::new("/bin/bash")
-                    .args(&["-c", event])
-                    .spawn()
-                    .map_err(|e| {
-                        vec![SettingError {
-                            msg: format!("on_set event command error: {}", e),
-                            setting: SettingVariant::General,
-                        }]
-                    })?;
-            }
-        }
         Ok(())
     }
 }
 
 impl OnResume for General {
     fn on_resume(&self) -> Result<(), Vec<SettingError>> {
-        if let Some(event) = &self.events.on_resume {
-            if !event.is_empty() {
-                std::process::Command::new("/bin/bash")
-                    .args(&["-c", event])
-                    .spawn()
-                    .map_err(|e| {
-                        vec![SettingError {
-                            msg: format!("on_resume event command error: {}", e),
-                            setting: SettingVariant::General,
-                        }]
-                    })?;
-            }
-        }
         Ok(())
     }
 }
 
-impl crate::settings::OnPowerEvent for General {}
+impl OnPowerEvent for General {}
+
+impl OnLoad for General {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl OnUnload for General {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
 
 impl TGeneral for General {
     fn limits(&self) -> crate::api::GeneralLimits {
@@ -98,6 +87,14 @@ impl TGeneral for General {
         self.path = path;
     }
 
+    fn app_id(&mut self) -> &'_ mut u64 {
+        &mut self.app_id
+    }
+
+    fn get_app_id(&self) -> u64 {
+        self.app_id
+    }
+
     fn get_name(&self) -> &'_ str {
         &self.name
     }
@@ -106,12 +103,82 @@ impl TGeneral for General {
         self.name = name;
     }
 
+    fn get_variant_id(&self) -> u64 {
+        self.variant_id
+    }
+
+    fn variant_id(&mut self, id: u64) {
+        self.variant_id = id;
+    }
+
+    fn variant_name(&mut self, name: String) {
+        self.variant_name = name;
+    }
+
+    fn get_variants(&self) -> Vec<crate::api::VariantInfo> {
+        let json_path = crate::utility::settings_dir().join(self.get_path());
+        if let Ok(file) = crate::persist::FileJson::open(json_path) {
+            file.variants
+                .into_iter()
+                .map(|(id, conf)| crate::api::VariantInfo {
+                    id: id.to_string(),
+                    name: conf.name,
+                    id_num: id,
+                })
+                .collect()
+        } else {
+            vec![self.get_variant_info()]
+        }
+    }
+
+    fn add_variant(
+        &self,
+        variant: crate::persist::SettingsJson,
+    ) -> Result<Vec<crate::api::VariantInfo>, SettingError> {
+        let variant_name = variant.name.clone();
+        let json_path = crate::utility::settings_dir().join(self.get_path());
+        crate::persist::FileJson::update_variant_or_create(
+            json_path,
+            self.get_app_id(),
+            variant,
+            variant_name,
+        )
+        .map_err(|e| SettingError {
+            msg: format!("failed to add variant: {}", e),
+            setting: SettingVariant::General,
+        })
+        .map(|file| {
+            file.0
+                .variants
+                .into_iter()
+                .map(|(id, conf)| crate::api::VariantInfo {
+                    id: id.to_string(),
+                    name: conf.name,
+                    id_num: id,
+                })
+                .collect()
+        })
+    }
+
+    fn get_variant_info(&self) -> crate::api::VariantInfo {
+        log::debug!(
+            "Current variant `{}` ({})",
+            self.variant_name,
+            self.variant_id
+        );
+        crate::api::VariantInfo {
+            id: self.variant_id.to_string(),
+            name: self.variant_name.clone(),
+            id_num: self.variant_id,
+        }
+    }
+
     fn provider(&self) -> crate::persist::DriverJson {
         self.driver.clone()
     }
 
-    fn on_event(&self) -> &crate::persist::OnEventJson {
-        &self.events
+    fn tags(&self) -> &[String] {
+        &self.tags
     }
 }
 
@@ -155,33 +222,32 @@ impl OnSet for Settings {
 
 impl Settings {
     #[inline]
-    pub fn from_json(other: SettingsJson, json_path: PathBuf) -> Self {
-        let name_bup = other.name.clone();
-        match super::Driver::init(other, json_path.clone()) {
-            Ok(x) => {
-                log::info!(
-                    "Loaded settings with drivers general:{:?},cpus:{:?},gpu:{:?},battery:{:?}",
-                    x.general.provider(),
-                    x.cpus.provider(),
-                    x.gpu.provider(),
-                    x.battery.provider()
-                );
-                Self {
-                    general: x.general,
-                    cpus: x.cpus,
-                    gpu: x.gpu,
-                    battery: x.battery,
-                }
-            }
-            Err(e) => {
-                log::error!("Driver init error: {}", e);
-                Self::system_default(json_path, name_bup)
-            }
+    pub fn from_json(name: String, other: SettingsJson, json_path: PathBuf, app_id: u64) -> Self {
+        let x = super::Driver::init(name, &other, json_path.clone(), app_id);
+        log::info!(
+            "Loaded settings with drivers general:{:?},cpus:{:?},gpu:{:?},battery:{:?}",
+            x.general.provider(),
+            x.cpus.provider(),
+            x.gpu.provider(),
+            x.battery.provider()
+        );
+        Self {
+            general: x.general,
+            cpus: x.cpus,
+            gpu: x.gpu,
+            battery: x.battery,
         }
     }
 
-    pub fn system_default(json_path: PathBuf, name: String) -> Self {
-        let driver = super::Driver::system_default(json_path, name);
+    pub fn system_default(
+        json_path: PathBuf,
+        app_id: u64,
+        name: String,
+        variant_id: u64,
+        variant_name: String,
+    ) -> Self {
+        let driver =
+            super::Driver::system_default(json_path, app_id, name, variant_id, variant_name);
         Self {
             general: driver.general,
             cpus: driver.cpus,
@@ -190,75 +256,152 @@ impl Settings {
         }
     }
 
-    pub fn load_system_default(&mut self, name: String) {
-        let driver = super::Driver::system_default(self.general.get_path().to_owned(), name);
+    pub fn load_system_default(&mut self, name: String, variant_id: u64, variant_name: String) {
+        let driver = super::Driver::system_default(
+            self.general.get_path().to_owned(),
+            self.general.get_app_id(),
+            name,
+            variant_id,
+            variant_name,
+        );
         self.cpus = driver.cpus;
         self.gpu = driver.gpu;
         self.battery = driver.battery;
         self.general = driver.general;
     }
 
+    pub fn get_variant<'a>(
+        settings_file: &'a FileJson,
+        variant_id: u64,
+        variant_name: String,
+    ) -> Result<&'a SettingsJson, SettingError> {
+        if let Some(variant) = settings_file.variants.get(&variant_id) {
+            Ok(variant)
+        } else if variant_id == 0 {
+            // special case: requesting primary variant for settings with non-persistent primary
+            let mut valid_ids: Vec<&u64> = settings_file.variants.keys().collect();
+            valid_ids.sort();
+            if let Some(id) = valid_ids.get(0) {
+                Ok(settings_file
+                    .variants
+                    .get(id)
+                    .expect("variant id key magically disappeared"))
+            } else {
+                Err(SettingError {
+                    msg: format!(
+                        "Cannot get variant `{}` (id:{}) from empty settings file",
+                        variant_name, variant_id
+                    ),
+                    setting: SettingVariant::General,
+                })
+            }
+        } else {
+            Err(SettingError {
+                msg: format!(
+                    "Cannot get non-existent variant `{}` (id:{})",
+                    variant_name, variant_id
+                ),
+                setting: SettingVariant::General,
+            })
+        }
+    }
+
     pub fn load_file(
         &mut self,
         filename: PathBuf,
+        app_id: u64,
         name: String,
+        variant: u64,
+        variant_name: String,
         system_defaults: bool,
     ) -> Result<bool, SettingError> {
         let json_path = crate::utility::settings_dir().join(&filename);
         if json_path.exists() {
-            let settings_json = SettingsJson::open(&json_path).map_err(|e| SettingError {
-                msg: e.to_string(),
-                setting: SettingVariant::General,
-            })?;
-            if !settings_json.persistent {
-                log::warn!(
-                    "Loaded persistent config `{}` ({}) with persistent=false",
-                    &settings_json.name,
+            if variant == u64::MAX {
+                log::debug!(
+                    "Creating new variant `{}` in existing settings file {}",
+                    variant_name,
                     json_path.display()
                 );
-                *self.general.persistent() = false;
-                self.general.name(name);
+                self.create_and_load_variant(&json_path, app_id, variant_name)?;
             } else {
-                match super::Driver::init(settings_json, json_path.clone()) {
-                    Ok(x) => {
-                        log::info!("Loaded settings with drivers general:{:?},cpus:{:?},gpu:{:?},battery:{:?}", x.general.provider(), x.cpus.provider(), x.gpu.provider(), x.battery.provider());
-                        self.general = x.general;
-                        self.cpus = x.cpus;
-                        self.gpu = x.gpu;
-                        self.battery = x.battery;
-                    }
-                    Err(e) => {
-                        log::error!("Driver init error: {}", e);
-                        self.general.name(name);
-                        *self.general.persistent() = false;
-                        self.general.path(json_path);
-                        return Err(e);
-                    }
-                };
+                let file_json = FileJson::open(&json_path).map_err(|e| SettingError {
+                    msg: format!("Failed to open settings {}: {}", json_path.display(), e),
+                    setting: SettingVariant::General,
+                })?;
+                let settings_json = Self::get_variant(&file_json, variant, variant_name)?;
+                if !settings_json.persistent {
+                    log::warn!(
+                        "Loaded persistent config `{}` ({}) with persistent=false",
+                        &settings_json.name,
+                        json_path.display()
+                    );
+                    *self.general.persistent() = false;
+                    self.general.name(name);
+                    self.general.variant_name(settings_json.name.clone());
+                    self.general.variant_id(settings_json.variant);
+                } else {
+                    let x = super::Driver::init(name, settings_json, json_path.clone(), app_id);
+                    log::info!(
+                        "Loaded settings with drivers general:{:?},cpus:{:?},gpu:{:?},battery:{:?}",
+                        x.general.provider(),
+                        x.cpus.provider(),
+                        x.gpu.provider(),
+                        x.battery.provider()
+                    );
+                    self.general = x.general;
+                    self.cpus = x.cpus;
+                    self.gpu = x.gpu;
+                    self.battery = x.battery;
+                }
             }
         } else {
             if system_defaults {
-                self.load_system_default(name);
+                self.load_system_default(name, variant, variant_name.clone());
             } else {
                 self.general.name(name);
+                self.general.variant_name(variant_name.clone());
+                self.general.variant_id(variant);
             }
             *self.general.persistent() = false;
-        }
-        self.general.path(filename);
-        if let Some(event) = &self.general.on_event().on_load {
-            if !event.is_empty() {
-                std::process::Command::new("/bin/bash")
-                    .args(&["-c", event])
-                    .spawn()
-                    .map_err(|e| SettingError {
-                        msg: format!("on_save event command error: {}", e),
-                        setting: SettingVariant::General,
-                    })?;
+            if variant == u64::MAX {
+                log::debug!(
+                    "Creating new variant `{}` in new settings file {}",
+                    variant_name,
+                    json_path.display()
+                );
+                self.create_and_load_variant(&json_path, app_id, variant_name)?;
             }
         }
+        *self.general.app_id() = app_id;
+        self.general.path(filename);
         Ok(*self.general.persistent())
     }
 
+    fn create_and_load_variant(
+        &mut self,
+        json_path: &PathBuf,
+        app_id: u64,
+        variant_name: String,
+    ) -> Result<(), SettingError> {
+        *self.general.persistent() = true;
+        self.general.variant_id(u64::MAX);
+        self.general.variant_name(variant_name.clone());
+        let (_file_json, new_variant) = FileJson::update_variant_or_create(
+            json_path,
+            app_id,
+            self.json(),
+            self.general.get_name().to_owned(),
+        )
+        .map_err(|e| SettingError {
+            msg: format!("Failed to open settings {}: {}", json_path.display(), e),
+            setting: SettingVariant::General,
+        })?;
+        self.general.variant_id(new_variant.variant);
+        self.general.variant_name(new_variant.name);
+        Ok(())
+    }
+
     /*
     pub fn load_file(&mut self, filename: PathBuf, name: String, system_defaults: bool) -> Result<bool, SettingError> {
         let json_path = crate::utility::settings_dir().join(filename);
@@ -291,15 +434,17 @@ impl Settings {
     }*/
 
     pub fn json(&self) -> SettingsJson {
+        let variant_info = self.general.get_variant_info();
         SettingsJson {
             version: LATEST_VERSION,
-            name: self.general.get_name().to_owned(),
+            name: variant_info.name,
+            variant: self.general.get_variant_id(),
             persistent: self.general.get_persistent(),
             cpus: self.cpus.json(),
             gpu: self.gpu.json(),
             battery: self.battery.json(),
             provider: Some(self.general.provider()),
-            events: Some(self.general.on_event().clone()),
+            tags: self.general.tags().to_owned(),
         }
     }
 }
@@ -334,7 +479,7 @@ impl OnResume for Settings {
     }
 }
 
-impl crate::settings::OnPowerEvent for Settings {
+impl OnPowerEvent for Settings {
     fn on_power_event(&mut self, new_mode: super::PowerMode) -> Result<(), Vec<SettingError>> {
         let mut errors = Vec::new();
 
@@ -359,6 +504,56 @@ impl crate::settings::OnPowerEvent for Settings {
     }
 }
 
+impl OnLoad for Settings {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        let mut errors = Vec::new();
+
+        self.general
+            .on_load()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        self.battery
+            .on_load()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        self.cpus
+            .on_load()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        self.gpu
+            .on_load()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+
+        if errors.is_empty() {
+            Ok(())
+        } else {
+            Err(errors)
+        }
+    }
+}
+
+impl OnUnload for Settings {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        let mut errors = Vec::new();
+
+        self.general
+            .on_unload()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        self.battery
+            .on_unload()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        self.cpus
+            .on_unload()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        self.gpu
+            .on_unload()
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+
+        if errors.is_empty() {
+            Ok(())
+        } else {
+            Err(errors)
+        }
+    }
+}
+
 /*impl Into<SettingsJson> for Settings {
     #[inline]
     fn into(self) -> SettingsJson {
diff --git a/backend/src/settings/generic/battery.rs b/backend/src/settings/generic/battery.rs
index 81464dd..a046412 100644
--- a/backend/src/settings/generic/battery.rs
+++ b/backend/src/settings/generic/battery.rs
@@ -1,11 +1,11 @@
 use std::convert::Into;
 
-use limits_core::json::GenericBatteryLimit;
-use sysfuss::SysEntity;
+use limits_core::json_v2::GenericBatteryLimit;
+use sysfuss::{SysEntity, SysEntityAttributesExt};
 
 use crate::persist::BatteryJson;
-use crate::settings::TBattery;
 use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TBattery};
 
 #[derive(Debug, Clone)]
 pub struct Battery {
@@ -21,13 +21,16 @@ impl Into<BatteryJson> for Battery {
             charge_rate: None,
             charge_mode: None,
             events: Vec::default(),
-            root: self.sysfs.root().and_then(|p| p.as_ref().to_str().map(|s| s.to_owned())),
+            root: self
+                .sysfs
+                .root()
+                .and_then(|p| p.as_ref().to_str().map(|s| s.to_owned())),
         }
     }
 }
 
 impl Battery {
-    fn read_f64<P: AsRef<std::path::Path>>(path: P) -> Result<f64, SettingError> {
+    /*fn read_f64<P: AsRef<std::path::Path>>(path: P) -> Result<f64, SettingError> {
         let path = path.as_ref();
         match usdpl_back::api::files::read_single::<_, f64, _>(path) {
             Err(e) => Err(SettingError {
@@ -38,13 +41,14 @@ impl Battery {
             // so convert this to mA for consistency
             Ok(val) => Ok(val / 1000.0),
         }
-    }
+    }*/
 
     fn find_psu_sysfs(root: Option<impl AsRef<std::path::Path>>) -> sysfuss::PowerSupplyPath {
         let root = crate::settings::util::root_or_default_sysfs(root);
         match root.power_supply(crate::settings::util::always_satisfied) {
-            Ok(mut iter) => {
-                iter.next()
+            Ok(iter) => {
+                iter.filter(|x| x.name().is_ok_and(|name| name.starts_with("BAT")))
+                    .next()
                     .unwrap_or_else(|| {
                         log::error!("Failed to find generic battery power_supply in sysfs (no results), using naive fallback");
                         root.power_supply_by_name("BAT0")
@@ -57,23 +61,57 @@ impl Battery {
         }
     }
 
-    pub fn from_limits(limits: limits_core::json::GenericBatteryLimit) -> Self {
-        // TODO
-        Self {
-            limits,
-            sysfs: Self::find_psu_sysfs(None::<&'static str>),
+    fn get_design_voltage(&self) -> Option<f64> {
+        match self
+            .sysfs
+            .attribute::<f64, _>(sysfuss::PowerSupplyAttribute::VoltageMax)
+        {
+            Ok(x) => Some(x / 1000000.0),
+            Err(e) => {
+                log::debug!("get_design_voltage voltage_max err: {}", e);
+                match sysfuss::SysEntityRawExt::attribute::<_, f64, _>(
+                    &self.sysfs,
+                    "voltage_min_design".to_owned(),
+                ) {
+                    // Framework 13 AMD
+                    Ok(x) => Some(x / 1000000.0),
+                    Err(e) => {
+                        log::debug!("get_design_voltage voltage_min_design err: {}", e);
+                        match self
+                            .sysfs
+                            .attribute::<f64, _>(sysfuss::PowerSupplyAttribute::VoltageMin)
+                        {
+                            Ok(x) => Some(x / 1000000.0),
+                            Err(e) => {
+                                log::debug!("get_design_voltage voltage_min err: {}", e);
+                                None
+                            }
+                        }
+                    }
+                }
+            }
         }
     }
+}
 
-    pub fn from_json_and_limits(
-        other: BatteryJson,
+impl ProviderBuilder<BatteryJson, GenericBatteryLimit> for Battery {
+    fn from_json_and_limits(
+        persistent: BatteryJson,
         _version: u64,
-        limits: limits_core::json::GenericBatteryLimit,
+        limits: GenericBatteryLimit,
     ) -> Self {
         // TODO
         Self {
             limits,
-            sysfs: Self::find_psu_sysfs(other.root)
+            sysfs: Self::find_psu_sysfs(persistent.root),
+        }
+    }
+
+    fn from_limits(limits: GenericBatteryLimit) -> Self {
+        // TODO
+        Self {
+            limits,
+            sysfs: Self::find_psu_sysfs(None::<&'static str>),
         }
     }
 }
@@ -94,6 +132,18 @@ impl OnResume for Battery {
 
 impl crate::settings::OnPowerEvent for Battery {}
 
+impl crate::settings::OnLoad for Battery {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Battery {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl TBattery for Battery {
     fn limits(&self) -> crate::api::BatteryLimits {
         crate::api::BatteryLimits {
@@ -122,37 +172,67 @@ impl TBattery for Battery {
     }
 
     fn read_charge_full(&self) -> Option<f64> {
-        match Self::read_f64("/sys/class/power_supply/BAT0/energy_full") {
-            Ok(x) => Some(x),
-            Err(e) => {
-                log::warn!("read_charge_full err: {}", e.msg);
-                None
+        if let Some(battery_voltage) = self.get_design_voltage() {
+            match self
+                .sysfs
+                .attribute::<f64, _>(sysfuss::PowerSupplyAttribute::ChargeFull)
+            {
+                Ok(x) => Some(x / 1000000.0 * battery_voltage),
+                Err(e) => {
+                    log::warn!("read_charge_full err: {}", e);
+                    None
+                }
             }
+        } else {
+            None
         }
     }
 
     fn read_charge_now(&self) -> Option<f64> {
-        match Self::read_f64("/sys/class/power_supply/BAT0/energy_now") {
-            Ok(x) => Some(x),
-            Err(e) => {
-                log::warn!("read_charge_now err: {}", e.msg);
-                None
+        if let Some(battery_voltage) = self.get_design_voltage() {
+            match self
+                .sysfs
+                .attribute::<f64, _>(sysfuss::PowerSupplyAttribute::ChargeNow)
+            {
+                Ok(x) => Some(x / 1000000.0 * battery_voltage),
+                Err(e) => {
+                    log::warn!("read_charge_now err: {}", e);
+                    None
+                }
             }
+        } else {
+            None
         }
     }
 
     fn read_charge_design(&self) -> Option<f64> {
-        match Self::read_f64("/sys/class/power_supply/BAT0/energy_design") {
-            Ok(x) => Some(x),
-            Err(e) => {
-                log::warn!("read_charge_design err: {}", e.msg);
-                None
+        if let Some(battery_voltage) = self.get_design_voltage() {
+            match self
+                .sysfs
+                .attribute::<f64, _>(sysfuss::PowerSupplyAttribute::ChargeFullDesign)
+            {
+                Ok(x) => Some(x / 1000000.0 * battery_voltage),
+                Err(e) => {
+                    log::warn!("read_charge_design err: {}", e);
+                    None
+                }
             }
+        } else {
+            None
         }
     }
 
     fn read_current_now(&self) -> Option<f64> {
-        None
+        match self
+            .sysfs
+            .attribute::<f64, _>(sysfuss::PowerSupplyAttribute::CurrentNow)
+        {
+            Ok(x) => Some(x / 1000.0), // expects mA, reads uA
+            Err(e) => {
+                log::warn!("read_current_now err: {}", e);
+                None
+            }
+        }
     }
 
     fn read_charge_power(&self) -> Option<f64> {
@@ -162,6 +242,13 @@ impl TBattery for Battery {
     fn charge_limit(&mut self, _limit: Option<f64>) {}
 
     fn get_charge_limit(&self) -> Option<f64> {
+        /*match self.sysfs.attribute::<f64, _>(sysfuss::PowerSupplyAttribute::ChargeControlLimit) {
+            Ok(x) => Some(x/1000.0),
+            Err(e) => {
+                log::warn!("read_charge_design err: {}", e);
+                None
+            }
+        }*/
         None
     }
 
diff --git a/backend/src/settings/generic/cpu.rs b/backend/src/settings/generic/cpu.rs
index 00f7dbe..6142f62 100644
--- a/backend/src/settings/generic/cpu.rs
+++ b/backend/src/settings/generic/cpu.rs
@@ -1,13 +1,13 @@
 use std::convert::{AsMut, AsRef, Into};
 
-use limits_core::json::GenericCpuLimit;
+use limits_core::json_v2::{GenericCpuLimit, GenericCpusLimit};
 
 use super::FromGenericCpuInfo;
 use crate::api::RangeLimit;
 use crate::persist::CpuJson;
 use crate::settings::{min_max_from_json, MinMax};
 use crate::settings::{OnResume, OnSet, SettingError};
-use crate::settings::{TCpu, TCpus};
+use crate::settings::{ProviderBuilder, TCpu, TCpus};
 
 const CPU_PRESENT_PATH: &str = "/sys/devices/system/cpu/present";
 const CPU_SMT_PATH: &str = "/sys/devices/system/cpu/smt/control";
@@ -87,31 +87,21 @@ impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + FromGenericCpuInfo> Cpus<C> {
             Err(_) => (false, false),
         }
     }
+}
 
-    pub fn from_limits(limits: limits_core::json::GenericCpuLimit) -> Self {
-        let cpu_count = Self::cpu_count().unwrap_or(8);
-        let (_, can_smt) = Self::system_smt_capabilities();
-        let mut new_cpus = Vec::with_capacity(cpu_count);
-        for i in 0..cpu_count {
-            let new_cpu = C::from_limits(i, limits.clone());
-            new_cpus.push(new_cpu);
-        }
-        Self {
-            cpus: new_cpus,
-            smt: true,
-            smt_capable: can_smt,
-        }
-    }
-
-    pub fn from_json_and_limits(
+impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + FromGenericCpuInfo>
+    ProviderBuilder<Vec<CpuJson>, GenericCpusLimit> for Cpus<C>
+{
+    fn from_json_and_limits(
         mut other: Vec<CpuJson>,
         version: u64,
-        limits: limits_core::json::GenericCpuLimit,
+        limits: GenericCpusLimit,
     ) -> Self {
         let (_, can_smt) = Self::system_smt_capabilities();
         let mut result = Vec::with_capacity(other.len());
         let max_cpus = Self::cpu_count();
         let smt_guess = crate::settings::util::guess_smt(&other) && can_smt;
+        let fallback_cpu_limit = GenericCpuLimit::default();
         for (i, cpu) in other.drain(..).enumerate() {
             // prevent having more CPUs than available
             if let Some(max_cpus) = max_cpus {
@@ -119,7 +109,13 @@ impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + FromGenericCpuInfo> Cpus<C> {
                     break;
                 }
             }
-            let new_cpu = C::from_json_and_limits(cpu, version, i, limits.clone());
+            let cpu_limit = limits
+                .cpus
+                .get(i)
+                .or_else(|| limits.cpus.get(0))
+                .unwrap_or_else(|| &fallback_cpu_limit)
+                .clone();
+            let new_cpu = C::from_json_and_limits(cpu, version, i, cpu_limit);
             result.push(new_cpu);
         }
         if let Some(max_cpus) = max_cpus {
@@ -136,6 +132,28 @@ impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + FromGenericCpuInfo> Cpus<C> {
             smt_capable: can_smt,
         }
     }
+
+    fn from_limits(limits: GenericCpusLimit) -> Self {
+        let cpu_count = Self::cpu_count().unwrap_or(8);
+        let (_, can_smt) = Self::system_smt_capabilities();
+        let mut new_cpus = Vec::with_capacity(cpu_count);
+        let fallback_cpu_limit = GenericCpuLimit::default();
+        for i in 0..cpu_count {
+            let cpu_limit = limits
+                .cpus
+                .get(i)
+                .or_else(|| limits.cpus.get(0))
+                .unwrap_or_else(|| &fallback_cpu_limit)
+                .clone();
+            let new_cpu = C::from_limits(i, cpu_limit);
+            new_cpus.push(new_cpu);
+        }
+        Self {
+            cpus: new_cpus,
+            smt: true,
+            smt_capable: can_smt,
+        }
+    }
 }
 
 impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + crate::settings::OnPowerEvent>
@@ -158,6 +176,22 @@ impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + crate::settings::OnPowerEvent>
     }
 }
 
+impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + OnResume + OnSet + crate::settings::OnPowerEvent>
+    crate::settings::OnLoad for Cpus<C>
+{
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + OnResume + OnSet + crate::settings::OnPowerEvent>
+    crate::settings::OnUnload for Cpus<C>
+{
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl<C: AsMut<Cpu> + AsRef<Cpu> + TCpu + OnResume + OnSet + crate::settings::OnPowerEvent> TCpus
     for Cpus<C>
 {
@@ -212,6 +246,14 @@ pub struct Cpu {
     }
 }*/
 
+impl Cpu {
+    #[inline]
+    fn current_governor(index: usize) -> String {
+        usdpl_back::api::files::read_single(cpu_governor_path(index))
+            .unwrap_or_else(|_| "schedutil".to_owned())
+    }
+}
+
 impl AsRef<Cpu> for Cpu {
     #[inline]
     fn as_ref(&self) -> &Cpu {
@@ -231,7 +273,7 @@ impl FromGenericCpuInfo for Cpu {
     fn from_limits(cpu_index: usize, limits: GenericCpuLimit) -> Self {
         Self {
             online: true,
-            governor: "schedutil".to_owned(),
+            governor: Self::current_governor(cpu_index),
             clock_limits: None,
             limits,
             index: cpu_index,
@@ -345,7 +387,7 @@ impl Cpu {
                 .clock_max
                 .clone()
                 .map(|x| RangeLimit::new(x.min.unwrap_or(0), x.max.unwrap_or(5_000))),
-            clock_step: self.limits.clock_step,
+            clock_step: self.limits.clock_step.unwrap_or(100),
             governors: self.governors(),
         }
     }
diff --git a/backend/src/settings/generic/gpu.rs b/backend/src/settings/generic/gpu.rs
index b8fcb6c..58b70bc 100644
--- a/backend/src/settings/generic/gpu.rs
+++ b/backend/src/settings/generic/gpu.rs
@@ -1,21 +1,23 @@
 use std::convert::Into;
 
-use limits_core::json::GenericGpuLimit;
+use limits_core::json_v2::GenericGpuLimit;
 use sysfuss::{BasicEntityPath, SysEntity};
 
 use crate::api::RangeLimit;
 use crate::persist::GpuJson;
-use crate::settings::TGpu;
 use crate::settings::{min_max_from_json, MinMax};
 use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TGpu};
 
 #[derive(Debug, Clone)]
 pub struct Gpu {
     pub slow_memory: bool,
     pub fast_ppt: Option<u64>,
     pub slow_ppt: Option<u64>,
+    pub tdp: Option<u64>,
+    pub tdp_boost: Option<u64>,
     pub clock_limits: Option<MinMax<u64>>,
-    limits: GenericGpuLimit,
+    pub limits: GenericGpuLimit,
     sysfs: BasicEntityPath,
 }
 
@@ -36,56 +38,70 @@ impl Gpu {
     fn find_card_sysfs(root: Option<impl AsRef<std::path::Path>>) -> BasicEntityPath {
         let root = crate::settings::util::root_or_default_sysfs(root);
         match root.class("drm", crate::settings::util::always_satisfied) {
-            Ok(mut iter) => {
-                iter.next()
-                    .unwrap_or_else(|| {
-                        log::error!("Failed to find generic gpu drm in sysfs (no results), using naive fallback");
-                        BasicEntityPath::new(root.as_ref().join("sys/class/drm/card0"))
-                    })
-            },
+            Ok(mut iter) => iter.next().unwrap_or_else(|| {
+                log::error!(
+                    "Failed to find generic gpu drm in sysfs (no results), using naive fallback"
+                );
+                BasicEntityPath::new(root.as_ref().join("sys/class/drm/card0"))
+            }),
             Err(e) => {
-                log::error!("Failed to find generic gpu drm in sysfs ({}), using naive fallback", e);
+                log::error!(
+                    "Failed to find generic gpu drm in sysfs ({}), using naive fallback",
+                    e
+                );
                 BasicEntityPath::new(root.as_ref().join("sys/class/drm/card0"))
             }
         }
     }
+}
 
-    pub fn from_limits(limits: limits_core::json::GenericGpuLimit) -> Self {
-        Self {
-            slow_memory: false,
-            fast_ppt: None,
-            slow_ppt: None,
-            clock_limits: None,
-            limits,
-            sysfs: Self::find_card_sysfs(None::<&'static str>),
-        }
-    }
-
-    pub fn from_json_and_limits(
-        other: GpuJson,
-        version: u64,
-        limits: limits_core::json::GenericGpuLimit,
-    ) -> Self {
+impl ProviderBuilder<GpuJson, GenericGpuLimit> for Gpu {
+    fn from_json_and_limits(persistent: GpuJson, version: u64, limits: GenericGpuLimit) -> Self {
         let clock_lims = if limits.clock_min.is_some() && limits.clock_max.is_some() {
-            other.clock_limits.map(|x| min_max_from_json(x, version))
+            persistent
+                .clock_limits
+                .map(|x| min_max_from_json(x, version))
         } else {
             None
         };
         Self {
             slow_memory: false,
             fast_ppt: if limits.fast_ppt.is_some() {
-                other.fast_ppt
+                persistent.fast_ppt
             } else {
                 None
             },
             slow_ppt: if limits.slow_ppt.is_some() {
-                other.slow_ppt
+                persistent.slow_ppt
+            } else {
+                None
+            },
+            tdp: if limits.tdp.is_some() {
+                persistent.tdp
+            } else {
+                None
+            },
+            tdp_boost: if limits.tdp_boost.is_some() {
+                persistent.tdp_boost
             } else {
                 None
             },
             clock_limits: clock_lims,
             limits,
-            sysfs: Self::find_card_sysfs(other.root)
+            sysfs: Self::find_card_sysfs(persistent.root),
+        }
+    }
+
+    fn from_limits(limits: GenericGpuLimit) -> Self {
+        Self {
+            slow_memory: false,
+            fast_ppt: None,
+            slow_ppt: None,
+            tdp: None,
+            tdp_boost: None,
+            clock_limits: None,
+            limits,
+            sysfs: Self::find_card_sysfs(None::<&'static str>),
         }
     }
 }
@@ -96,9 +112,14 @@ impl Into<GpuJson> for Gpu {
         GpuJson {
             fast_ppt: self.fast_ppt,
             slow_ppt: self.slow_ppt,
+            tdp: self.tdp,
+            tdp_boost: self.tdp_boost,
             clock_limits: self.clock_limits.map(|x| x.into()),
-            slow_memory: false,
-            root: self.sysfs.root().and_then(|p| p.as_ref().to_str().map(|s| s.to_owned()))
+            memory_clock: None,
+            root: self
+                .sysfs
+                .root()
+                .and_then(|p| p.as_ref().to_str().map(|s| s.to_owned())),
         }
     }
 }
@@ -117,6 +138,18 @@ impl OnResume for Gpu {
 
 impl crate::settings::OnPowerEvent for Gpu {}
 
+impl crate::settings::OnLoad for Gpu {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Gpu {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl TGpu for Gpu {
     fn limits(&self) -> crate::api::GpuLimits {
         crate::api::GpuLimits {
@@ -124,13 +157,55 @@ impl TGpu for Gpu {
                 .limits
                 .fast_ppt
                 .clone()
-                .map(|x| RangeLimit::new(x.min.unwrap_or(0), x.max.unwrap_or(15_000_000))),
+                .map(|x| RangeLimit::new(x.min.unwrap_or(0), x.max.unwrap_or(15)))
+                .map(|mut x| {
+                    if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                        x.min /= ppt_divisor;
+                        x.max /= ppt_divisor;
+                        x
+                    } else {
+                        x
+                    }
+                }),
+            fast_ppt_default: {
+                let def = self
+                    .limits
+                    .fast_ppt_default
+                    .or_else(|| self.limits.fast_ppt.and_then(|x| x.max))
+                    .unwrap_or(15);
+                if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                    def / ppt_divisor
+                } else {
+                    def
+                }
+            },
             slow_ppt_limits: self
                 .limits
                 .slow_ppt
                 .clone()
-                .map(|x| RangeLimit::new(x.min.unwrap_or(0), x.max.unwrap_or(15_000_000))),
-            ppt_step: self.limits.ppt_step.unwrap_or(1_000_000),
+                .map(|x| RangeLimit::new(x.min.unwrap_or(0), x.max.unwrap_or(15)))
+                .map(|mut x| {
+                    if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                        x.min /= ppt_divisor;
+                        x.max /= ppt_divisor;
+                        x
+                    } else {
+                        x
+                    }
+                }),
+            slow_ppt_default: {
+                let def = self
+                    .limits
+                    .slow_ppt_default
+                    .or_else(|| self.limits.slow_ppt.and_then(|x| x.max))
+                    .unwrap_or(15);
+                if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                    def / ppt_divisor
+                } else {
+                    def
+                }
+            },
+            ppt_step: self.limits.ppt_step.unwrap_or(1),
             tdp_limits: self
                 .limits
                 .tdp
@@ -153,7 +228,8 @@ impl TGpu for Gpu {
                 .clone()
                 .map(|x| RangeLimit::new(x.min.unwrap_or(0), x.max.unwrap_or(3_000))),
             clock_step: self.limits.clock_step.unwrap_or(100),
-            memory_control_capable: false,
+            memory_control: None,
+            memory_step: 100,
         }
     }
 
@@ -163,25 +239,56 @@ impl TGpu for Gpu {
 
     fn ppt(&mut self, fast: Option<u64>, slow: Option<u64>) {
         if let Some(fast_lims) = &self.limits.fast_ppt {
-            self.fast_ppt = fast.map(|x| {
-                x.clamp(
-                    fast_lims.min.unwrap_or(0),
-                    fast_lims.max.unwrap_or(u64::MAX),
-                )
-            });
+            self.fast_ppt = fast
+                .map(|x| {
+                    if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                        x * ppt_divisor
+                    } else {
+                        x
+                    }
+                })
+                .map(|x| {
+                    x.clamp(
+                        fast_lims.min.unwrap_or(0),
+                        fast_lims.max.unwrap_or(u64::MAX),
+                    )
+                });
         }
         if let Some(slow_lims) = &self.limits.slow_ppt {
-            self.slow_ppt = slow.map(|x| {
-                x.clamp(
-                    slow_lims.min.unwrap_or(0),
-                    slow_lims.max.unwrap_or(u64::MAX),
-                )
-            });
+            self.slow_ppt = slow
+                .map(|x| {
+                    if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                        x * ppt_divisor
+                    } else {
+                        x
+                    }
+                })
+                .map(|x| {
+                    x.clamp(
+                        slow_lims.min.unwrap_or(0),
+                        slow_lims.max.unwrap_or(u64::MAX),
+                    )
+                });
         }
     }
 
     fn get_ppt(&self) -> (Option<u64>, Option<u64>) {
-        (self.fast_ppt, self.slow_ppt)
+        (
+            self.fast_ppt.map(|x| {
+                if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                    x / ppt_divisor
+                } else {
+                    x
+                }
+            }),
+            self.slow_ppt.map(|x| {
+                if let Some(ppt_divisor) = self.limits.ppt_divisor {
+                    x / ppt_divisor
+                } else {
+                    x
+                }
+            }),
+        )
     }
 
     fn clock_limits(&mut self, limits: Option<MinMax<u64>>) {
@@ -200,8 +307,10 @@ impl TGpu for Gpu {
         self.clock_limits.as_ref()
     }
 
-    fn slow_memory(&mut self) -> &mut bool {
-        &mut self.slow_memory
+    fn memory_clock(&mut self, _speed: Option<u64>) {}
+
+    fn get_memory_clock(&self) -> Option<u64> {
+        None
     }
 
     fn provider(&self) -> crate::persist::DriverJson {
diff --git a/backend/src/settings/generic/mod.rs b/backend/src/settings/generic/mod.rs
index 6989a23..1abd444 100644
--- a/backend/src/settings/generic/mod.rs
+++ b/backend/src/settings/generic/mod.rs
@@ -7,3 +7,19 @@ pub use battery::Battery;
 pub use cpu::{Cpu, Cpus};
 pub use gpu::Gpu;
 pub use traits::FromGenericCpuInfo;
+
+fn _impl_checker() {
+    fn impl_provider_builder<T: crate::settings::ProviderBuilder<J, L>, J, L>() {}
+
+    impl_provider_builder::<
+        Battery,
+        crate::persist::BatteryJson,
+        limits_core::json_v2::GenericBatteryLimit,
+    >();
+    impl_provider_builder::<
+        Cpus<Cpu>,
+        Vec<crate::persist::CpuJson>,
+        limits_core::json_v2::GenericCpusLimit,
+    >();
+    impl_provider_builder::<Gpu, crate::persist::GpuJson, limits_core::json_v2::GenericGpuLimit>();
+}
diff --git a/backend/src/settings/generic/traits.rs b/backend/src/settings/generic/traits.rs
index a8674bb..58d91ad 100644
--- a/backend/src/settings/generic/traits.rs
+++ b/backend/src/settings/generic/traits.rs
@@ -1,6 +1,7 @@
 use crate::persist::CpuJson;
-use limits_core::json::GenericCpuLimit;
+use limits_core::json_v2::GenericCpuLimit;
 
+// similar to crate::settings::ProviderBuilder<CpuJson, GenericCpuLimit>
 pub trait FromGenericCpuInfo {
     fn from_limits(cpu_index: usize, limits: GenericCpuLimit) -> Self;
 
diff --git a/backend/src/settings/generic_amd/cpu.rs b/backend/src/settings/generic_amd/cpu.rs
index 48e119c..0809ee6 100644
--- a/backend/src/settings/generic_amd/cpu.rs
+++ b/backend/src/settings/generic_amd/cpu.rs
@@ -2,24 +2,24 @@ use crate::persist::CpuJson;
 use crate::settings::generic::{Cpu as GenericCpu, Cpus as GenericCpus, FromGenericCpuInfo};
 use crate::settings::MinMax;
 use crate::settings::{OnResume, OnSet, SettingError};
-use crate::settings::{TCpu, TCpus};
+use crate::settings::{ProviderBuilder, TCpu, TCpus};
 
 #[derive(Debug)]
 pub struct Cpus {
     generic: GenericCpus<Cpu>,
 }
 
-impl Cpus {
-    pub fn from_limits(limits: limits_core::json::GenericCpuLimit) -> Self {
+impl ProviderBuilder<Vec<CpuJson>, limits_core::json_v2::GenericCpusLimit> for Cpus {
+    fn from_limits(limits: limits_core::json_v2::GenericCpusLimit) -> Self {
         Self {
             generic: GenericCpus::from_limits(limits),
         }
     }
 
-    pub fn from_json_and_limits(
+    fn from_json_and_limits(
         other: Vec<CpuJson>,
         version: u64,
-        limits: limits_core::json::GenericCpuLimit,
+        limits: limits_core::json_v2::GenericCpusLimit,
     ) -> Self {
         Self {
             generic: GenericCpus::from_json_and_limits(other, version, limits),
@@ -43,6 +43,18 @@ impl OnSet for Cpus {
 
 impl crate::settings::OnPowerEvent for Cpus {}
 
+impl crate::settings::OnLoad for Cpus {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Cpus {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl TCpus for Cpus {
     fn limits(&self) -> crate::api::CpusLimits {
         self.generic.limits()
@@ -75,7 +87,7 @@ pub struct Cpu {
 }
 
 impl FromGenericCpuInfo for Cpu {
-    fn from_limits(cpu_index: usize, limits: limits_core::json::GenericCpuLimit) -> Self {
+    fn from_limits(cpu_index: usize, limits: limits_core::json_v2::GenericCpuLimit) -> Self {
         let gen = GenericCpu::from_limits(cpu_index, limits.clone());
         Self { generic: gen }
     }
@@ -84,7 +96,7 @@ impl FromGenericCpuInfo for Cpu {
         other: CpuJson,
         version: u64,
         cpu_index: usize,
-        limits: limits_core::json::GenericCpuLimit,
+        limits: limits_core::json_v2::GenericCpuLimit,
     ) -> Self {
         let gen = GenericCpu::from_json_and_limits(other, version, cpu_index, limits);
         Self { generic: gen }
diff --git a/backend/src/settings/generic_amd/gpu.rs b/backend/src/settings/generic_amd/gpu.rs
index 9af3bc2..983bd29 100644
--- a/backend/src/settings/generic_amd/gpu.rs
+++ b/backend/src/settings/generic_amd/gpu.rs
@@ -4,12 +4,69 @@ use std::sync::Mutex;
 use crate::persist::GpuJson;
 use crate::settings::generic::Gpu as GenericGpu;
 use crate::settings::MinMax;
-use crate::settings::TGpu;
 use crate::settings::{OnResume, OnSet, SettingError, SettingVariant};
+use crate::settings::{ProviderBuilder, TGpu};
+
+fn msg_or_err<D: std::fmt::Display, E: std::fmt::Display>(
+    output: &mut String,
+    msg: &str,
+    result: Result<D, E>,
+) {
+    use std::fmt::Write;
+    match result {
+        Ok(val) => writeln!(output, "{}: {}", msg, val).unwrap(),
+        Err(e) => writeln!(output, "{} failed: {}", msg, e).unwrap(),
+    }
+}
+
+fn log_capabilities(ryzenadj: &RyzenAdj) {
+    log::info!(
+        "RyzenAdj v{}.{}.{}",
+        libryzenadj::libryzenadj_sys::RYZENADJ_REVISION_VER,
+        libryzenadj::libryzenadj_sys::RYZENADJ_MAJOR_VER,
+        libryzenadj::libryzenadj_sys::RYZENADJ_MINIOR_VER
+    );
+    #[cfg(feature = "experimental")]
+    if let Some(x) = ryzenadj.get_init_table_err() {
+        log::warn!("RyzenAdj table init error: {}", x);
+    }
+    let mut log_msg = String::new();
+    msg_or_err(&mut log_msg, "bios version", ryzenadj.get_bios_if_ver());
+    msg_or_err(
+        &mut log_msg,
+        "refresh",
+        ryzenadj.refresh().map(|_| "success"),
+    );
+    msg_or_err(
+        &mut log_msg,
+        "CPU family",
+        ryzenadj.get_cpu_family().map(|fam| {
+            let fam_dbg = format!("{:?}", fam);
+            format!("{} (#{})", fam_dbg, fam as i32)
+        }),
+    );
+    msg_or_err(
+        &mut log_msg,
+        "get_fast_value (PPT)",
+        ryzenadj.get_fast_value(),
+    );
+    msg_or_err(
+        &mut log_msg,
+        "get_slow_value (PPT)",
+        ryzenadj.get_slow_value(),
+    );
+    msg_or_err(&mut log_msg, "get_gfx_clk", ryzenadj.get_gfx_clk());
+    msg_or_err(&mut log_msg, "get_gfx_volt", ryzenadj.get_gfx_volt());
+
+    log::info!("RyzenAdj GPU info:\n{}", log_msg);
+}
 
 fn ryzen_adj_or_log() -> Option<Mutex<RyzenAdj>> {
     match RyzenAdj::new() {
-        Ok(x) => Some(Mutex::new(x)),
+        Ok(x) => {
+            log_capabilities(&x);
+            Some(Mutex::new(x))
+        }
         Err(e) => {
             log::error!("RyzenAdj init error: {}", e);
             None
@@ -35,8 +92,8 @@ impl std::fmt::Debug for Gpu {
     }
 }
 
-impl Gpu {
-    pub fn from_limits(limits: limits_core::json::GenericGpuLimit) -> Self {
+impl ProviderBuilder<GpuJson, limits_core::json_v2::GenericGpuLimit> for Gpu {
+    fn from_limits(limits: limits_core::json_v2::GenericGpuLimit) -> Self {
         Self {
             generic: GenericGpu::from_limits(limits),
             implementor: ryzen_adj_or_log(),
@@ -44,10 +101,10 @@ impl Gpu {
         }
     }
 
-    pub fn from_json_and_limits(
+    fn from_json_and_limits(
         other: GpuJson,
         version: u64,
-        limits: limits_core::json::GenericGpuLimit,
+        limits: limits_core::json_v2::GenericGpuLimit,
     ) -> Self {
         Self {
             generic: GenericGpu::from_json_and_limits(other, version, limits),
@@ -55,7 +112,9 @@ impl Gpu {
             state: Default::default(),
         }
     }
+}
 
+impl Gpu {
     fn set_all(&mut self) -> Result<(), Vec<SettingError>> {
         let mutex = match &self.implementor {
             Some(x) => x,
@@ -253,9 +312,44 @@ impl OnSet for Gpu {
 
 impl crate::settings::OnPowerEvent for Gpu {}
 
+impl crate::settings::OnLoad for Gpu {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Gpu {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+fn bad_gpu_limits() -> crate::api::GpuLimits {
+    crate::api::GpuLimits {
+        fast_ppt_limits: None,
+        fast_ppt_default: 1,
+        slow_ppt_limits: None,
+        slow_ppt_default: 1,
+        ppt_step: 1,
+        tdp_limits: None,
+        tdp_boost_limits: None,
+        tdp_step: 1,
+        clock_min_limits: None,
+        clock_max_limits: None,
+        clock_step: 100,
+        memory_control: None,
+        memory_step: 400,
+    }
+}
+
 impl TGpu for Gpu {
     fn limits(&self) -> crate::api::GpuLimits {
-        self.generic.limits()
+        if self.implementor.is_some() {
+            // NOTE: since set functions may succeed when gets do not, there is no good way to (automatically) check whether things are working
+            self.generic.limits()
+        } else {
+            bad_gpu_limits()
+        }
     }
 
     fn json(&self) -> crate::persist::GpuJson {
@@ -278,8 +372,12 @@ impl TGpu for Gpu {
         self.generic.get_clock_limits()
     }
 
-    fn slow_memory(&mut self) -> &mut bool {
-        self.generic.slow_memory()
+    fn memory_clock(&mut self, speed: Option<u64>) {
+        self.generic.memory_clock(speed)
+    }
+
+    fn get_memory_clock(&self) -> Option<u64> {
+        self.generic.get_memory_clock()
     }
 
     fn provider(&self) -> crate::persist::DriverJson {
diff --git a/backend/src/settings/generic_amd/mod.rs b/backend/src/settings/generic_amd/mod.rs
index 6a8e412..c395fc1 100644
--- a/backend/src/settings/generic_amd/mod.rs
+++ b/backend/src/settings/generic_amd/mod.rs
@@ -1,5 +1,16 @@
 mod cpu;
 mod gpu;
 
-pub use cpu::{Cpu, Cpus};
+pub use cpu::Cpus;
 pub use gpu::Gpu;
+
+fn _impl_checker() {
+    fn impl_provider_builder<T: crate::settings::ProviderBuilder<J, L>, J, L>() {}
+
+    impl_provider_builder::<
+        Cpus,
+        Vec<crate::persist::CpuJson>,
+        limits_core::json_v2::GenericCpusLimit,
+    >();
+    impl_provider_builder::<Gpu, crate::persist::GpuJson, limits_core::json_v2::GenericGpuLimit>();
+}
diff --git a/backend/src/settings/mod.rs b/backend/src/settings/mod.rs
index c3a0044..4e74636 100644
--- a/backend/src/settings/mod.rs
+++ b/backend/src/settings/mod.rs
@@ -6,24 +6,37 @@ mod min_max;
 mod traits;
 mod util;
 
+pub mod dev_mode;
 pub mod generic;
 pub mod generic_amd;
 pub mod steam_deck;
 pub mod unknown;
 
-pub use detect::{auto_detect0, auto_detect_provider, limits_worker::spawn as limits_worker_spawn, get_dev_messages};
+pub use detect::{
+    auto_detect0, auto_detect_provider, get_dev_messages,
+    limits_worker::spawn as limits_worker_spawn,
+};
 pub use driver::Driver;
 pub use general::{General, SettingVariant, Settings};
 pub use min_max::{min_max_from_json, MinMax};
 
 pub use error::SettingError;
-pub use traits::{OnPowerEvent, OnResume, OnSet, PowerMode, TBattery, TCpu, TCpus, TGeneral, TGpu};
+pub use traits::{
+    OnLoad, OnPowerEvent, OnResume, OnSet, OnUnload, PowerMode, ProviderBuilder, TBattery, TCpu,
+    TCpus, TGeneral, TGpu,
+};
 
 #[cfg(test)]
 mod tests {
     #[test]
     fn system_defaults_test() {
-        let settings = super::Settings::system_default("idc".into(), "Cool name".into());
+        let settings = super::Settings::system_default(
+            "idc".into(),
+            0,
+            "Cool name".into(),
+            0,
+            "Variant 0".into(),
+        );
         println!("Loaded system settings: {:?}", settings);
     }
 }
diff --git a/backend/src/settings/steam_deck/battery.rs b/backend/src/settings/steam_deck/battery.rs
index d03bfd6..d48e2a5 100644
--- a/backend/src/settings/steam_deck/battery.rs
+++ b/backend/src/settings/steam_deck/battery.rs
@@ -1,26 +1,35 @@
 use std::convert::Into;
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
 
-use sysfuss::{PowerSupplyAttribute, PowerSupplyPath, HwMonAttribute, HwMonAttributeItem, HwMonAttributeType, HwMonPath, SysEntity, SysEntityAttributesExt, SysAttribute};
 use sysfuss::capability::attributes;
+use sysfuss::{
+    HwMonAttribute, HwMonAttributeItem, HwMonAttributeType, HwMonPath, PowerSupplyAttribute,
+    PowerSupplyPath, SysAttribute, SysEntity, SysEntityAttributesExt,
+};
+
+use limits_core::json_v2::GenericBatteryLimit;
 
-use super::oc_limits::{BatteryLimits, OverclockLimits};
-use super::util::ChargeMode;
 use crate::api::RangeLimit;
 use crate::persist::{BatteryEventJson, BatteryJson};
-use crate::settings::TBattery;
 use crate::settings::{OnPowerEvent, OnResume, OnSet, PowerMode, SettingError};
+use crate::settings::{ProviderBuilder, TBattery};
+use smokepatio::ec::{
+    unnamed_power::{ChargeMode, UnnamedPowerEC},
+    ControllerSet,
+};
 
 #[derive(Debug, Clone)]
 pub struct Battery {
     pub charge_rate: Option<u64>,
     pub charge_mode: Option<ChargeMode>,
+    pub charge_limit: Option<f64>,
     events: Vec<EventInstruction>,
-    limits: BatteryLimits,
+    limits: GenericBatteryLimit,
     state: crate::state::steam_deck::Battery,
-    driver_mode: crate::persist::DriverJson,
     sysfs_bat: PowerSupplyPath,
     sysfs_hwmon: Arc<HwMonPath>,
+    bat_ec: Arc<Mutex<UnnamedPowerEC>>,
+    variant: super::Model,
 }
 
 #[derive(Debug, Clone)]
@@ -39,6 +48,7 @@ struct EventInstruction {
     charge_mode: Option<ChargeMode>,
     is_triggered: bool,
     sysfs_hwmon: Arc<HwMonPath>,
+    bat_ec: Arc<Mutex<UnnamedPowerEC>>,
 }
 
 impl OnPowerEvent for EventInstruction {
@@ -91,6 +101,7 @@ impl EventInstruction {
         match mode {
             EventTrigger::PluggedIn => "plug-in".to_owned(),
             EventTrigger::PluggedOut => "plug-out".to_owned(),
+            // EventInstruction uses 1.0 to represent full, but Strings use 100.0
             EventTrigger::BatteryAbove(x) => format!(">{:#0.2}", x * 100.0),
             EventTrigger::BatteryBelow(x) => format!("<{:#0.2}", x * 100.0),
             EventTrigger::Ignored => "/shrug".to_owned(),
@@ -116,7 +127,12 @@ impl EventInstruction {
         }
     }
 
-    fn from_json(other: BatteryEventJson, _version: u64, hwmon: Arc<HwMonPath>) -> Self {
+    fn from_json(
+        other: BatteryEventJson,
+        _version: u64,
+        hwmon: Arc<HwMonPath>,
+        ec: Arc<Mutex<UnnamedPowerEC>>,
+    ) -> Self {
         Self {
             trigger: Self::str_to_trigger(&other.trigger).unwrap_or(EventTrigger::Ignored),
             charge_rate: other.charge_rate,
@@ -126,17 +142,20 @@ impl EventInstruction {
                 .flatten(),
             is_triggered: false,
             sysfs_hwmon: hwmon,
+            bat_ec: ec,
         }
     }
 
     fn set_charge_mode(&self) -> Result<(), SettingError> {
         if let Some(charge_mode) = self.charge_mode {
-            super::util::set(super::util::Setting::ChargeMode, charge_mode as _)
-                .map_err(|e| SettingError {
-                    msg: format!("Failed to set charge mode: {}", e),
-                    setting: crate::settings::SettingVariant::Battery,
-                })
-                .map(|_| ())
+            let mut lock = self
+                .bat_ec
+                .lock()
+                .expect("failed to lock battery controller");
+            lock.set(charge_mode).map_err(|_| SettingError {
+                msg: format!("Failed to set charge mode"),
+                setting: crate::settings::SettingVariant::Battery,
+            })
         } else {
             Ok(())
         }
@@ -144,17 +163,15 @@ impl EventInstruction {
 
     fn set_charge_rate(&self) -> Result<(), SettingError> {
         if let Some(charge_rate) = self.charge_rate {
-            let attr = if MAX_BATTERY_CHARGE_RATE_ATTR.exists(&*self.sysfs_hwmon) {
-                MAX_BATTERY_CHARGE_RATE_ATTR
-            } else {
-                MAXIMUM_BATTERY_CHARGE_RATE_ATTR
-            };
-            self.sysfs_hwmon.set(attr, charge_rate).map_err(
-                |e| SettingError {
-                    msg: format!("Failed to write to `{:?}`: {}", attr, e),
+            self.sysfs_hwmon
+                .set(MAX_BATTERY_CHARGE_RATE_ATTR, charge_rate)
+                .map_err(|e| SettingError {
+                    msg: format!(
+                        "Failed to write to `{:?}`: {}",
+                        MAX_BATTERY_CHARGE_RATE_ATTR, e
+                    ),
                     setting: crate::settings::SettingVariant::Battery,
-                },
-            )
+                })
         } else {
             Ok(())
         }
@@ -194,7 +211,6 @@ const BATTERY_CHARGE_DESIGN_PATH: &str = "/sys/class/power_supply/BAT1/charge_fu
 const USB_PD_IN_MVOLTAGE_PATH: &str = "/sys/class/hwmon/hwmon5/in0_input"; // read-only
 const USB_PD_IN_CURRENT_PATH: &str = "/sys/class/hwmon/hwmon5/curr1_input"; // read-only*/
 
-
 const BATTERY_NEEDS: &[PowerSupplyAttribute] = &[
     PowerSupplyAttribute::Type,
     PowerSupplyAttribute::CurrentNow,
@@ -213,59 +229,15 @@ const HWMON_NEEDS: &[HwMonAttribute] = &[
     //HwMonAttribute::custom("maximum_battery_charge_rate"), // NOTE: Cannot filter by custom capabilities
 ];
 
-const MAXIMUM_BATTERY_CHARGE_RATE_ATTR: HwMonAttribute = HwMonAttribute::custom("maximum_battery_charge_rate");
-const MAX_BATTERY_CHARGE_RATE_ATTR: HwMonAttribute = HwMonAttribute::custom("maximum_battery_charge_rate");
-const MAX_BATTERY_CHARGE_LEVEL_ATTR: HwMonAttribute = HwMonAttribute::custom("max_battery_charge_level");
+const MAX_BATTERY_CHARGE_RATE_ATTR: HwMonAttribute =
+    HwMonAttribute::custom("maximum_battery_charge_rate");
+const MAX_BATTERY_CHARGE_LEVEL_ATTR: HwMonAttribute =
+    HwMonAttribute::custom("max_battery_charge_level");
+
+const MAX_CHARGE_RATE: u64 = 2500;
+const MIN_CHARGE_RATE: u64 = 250;
 
 impl Battery {
-    #[inline]
-    pub fn from_json(other: BatteryJson, version: u64) -> Self {
-        let (oc_limits, is_default) = OverclockLimits::load_or_default();
-        let oc_limits = oc_limits.battery;
-        let driver = if is_default {
-            crate::persist::DriverJson::SteamDeck
-        } else {
-            crate::persist::DriverJson::SteamDeckAdvance
-        };
-        let hwmon_sys = Arc::new(Self::find_hwmon_sysfs(None::<&'static str>));
-        match version {
-            0 => Self {
-                charge_rate: other.charge_rate,
-                charge_mode: other
-                    .charge_mode
-                    .map(|x| Self::str_to_charge_mode(&x))
-                    .flatten(),
-                events: other
-                    .events
-                    .into_iter()
-                    .map(|x| EventInstruction::from_json(x, version, hwmon_sys.clone()))
-                    .collect(),
-                limits: oc_limits,
-                state: crate::state::steam_deck::Battery::default(),
-                driver_mode: driver,
-                sysfs_bat: Self::find_battery_sysfs(None::<&'static str>),
-                sysfs_hwmon: hwmon_sys,
-            },
-            _ => Self {
-                charge_rate: other.charge_rate,
-                charge_mode: other
-                    .charge_mode
-                    .map(|x| Self::str_to_charge_mode(&x))
-                    .flatten(),
-                events: other
-                    .events
-                    .into_iter()
-                    .map(|x| EventInstruction::from_json(x, version, hwmon_sys.clone()))
-                    .collect(),
-                limits: oc_limits,
-                state: crate::state::steam_deck::Battery::default(),
-                driver_mode: driver,
-                sysfs_bat: Self::find_battery_sysfs(None::<&'static str>),
-                sysfs_hwmon: hwmon_sys,
-            },
-        }
-    }
-
     fn find_battery_sysfs(root: Option<impl AsRef<std::path::Path>>) -> PowerSupplyPath {
         let root = crate::settings::util::root_or_default_sysfs(root);
         match root.power_supply(attributes(BATTERY_NEEDS.into_iter().copied())) {
@@ -275,9 +247,12 @@ impl Battery {
                         log::error!("Failed to find SteamDeck battery power_supply in sysfs (no results), using naive fallback");
                         root.power_supply_by_name("BAT1")
                     });
-                log::info!("Found SteamDeck battery power_supply in sysfs: {}", psu.as_ref().display());
+                log::info!(
+                    "Found SteamDeck battery power_supply in sysfs: {}",
+                    psu.as_ref().display()
+                );
                 psu
-            },
+            }
             Err(e) => {
                 log::error!("Failed to find SteamDeck battery power_supply in sysfs ({}), using naive fallback", e);
                 root.power_supply_by_name("BAT1")
@@ -291,11 +266,15 @@ impl Battery {
             Ok(hwmon) => {
                 if !hwmon.capable(attributes(HWMON_NEEDS.into_iter().copied())) {
                     log::warn!("Found incapable SteamDeck battery hwmon in sysfs (hwmon by name {} exists but missing attributes), persevering because ignorance is bliss", super::util::JUPITER_HWMON_NAME);
-                }   else {
-                    log::info!("Found SteamDeck battery hwmon {} in sysfs: {}", super::util::JUPITER_HWMON_NAME, hwmon.as_ref().display());
+                } else {
+                    log::info!(
+                        "Found SteamDeck battery hwmon {} in sysfs: {}",
+                        super::util::JUPITER_HWMON_NAME,
+                        hwmon.as_ref().display()
+                    );
                 }
                 hwmon
-            },
+            }
             Err(e) => {
                 log::warn!("Failed to find SteamDeck battery hwmon {} in sysfs ({}), trying alternate name",
                            super::util::JUPITER_HWMON_NAME, e);
@@ -304,10 +283,14 @@ impl Battery {
                         if !hwmon.capable(attributes(HWMON_NEEDS.into_iter().copied())) {
                             log::warn!("Found incapable SteamDeck battery hwmon in sysfs (hwmon by name {} exists but missing attributes), persevering because ignorance is bliss", super::util::STEAMDECK_HWMON_NAME);
                         } else {
-                            log::info!("Found SteamDeck battery hwmon {} in sysfs: {}", super::util::STEAMDECK_HWMON_NAME, hwmon.as_ref().display());
+                            log::info!(
+                                "Found SteamDeck battery hwmon {} in sysfs: {}",
+                                super::util::STEAMDECK_HWMON_NAME,
+                                hwmon.as_ref().display()
+                            );
                         }
                         hwmon
-                    },
+                    }
                     Err(e) => {
                         log::error!("Failed to find SteamDeck battery hwmon {} in sysfs ({}), using naive fallback", super::util::STEAMDECK_HWMON_NAME, e);
                         root.hwmon_by_index(5)
@@ -340,32 +323,28 @@ impl Battery {
     fn set_charge_rate(&mut self) -> Result<(), SettingError> {
         if let Some(charge_rate) = self.charge_rate {
             self.state.charge_rate_set = true;
-            let attr = if MAX_BATTERY_CHARGE_RATE_ATTR.exists(&*self.sysfs_hwmon) {
-                MAX_BATTERY_CHARGE_RATE_ATTR
-            } else {
-                MAXIMUM_BATTERY_CHARGE_RATE_ATTR
-            };
-            let path = attr.path(&*self.sysfs_hwmon);
-            self.sysfs_hwmon.set(attr, charge_rate).map_err(
-                |e| SettingError {
+            let path = MAX_BATTERY_CHARGE_RATE_ATTR.path(&*self.sysfs_hwmon);
+            self.sysfs_hwmon
+                .set(MAX_BATTERY_CHARGE_RATE_ATTR, charge_rate)
+                .map_err(|e| SettingError {
                     msg: format!("Failed to write to `{}`: {}", path.display(), e),
                     setting: crate::settings::SettingVariant::Battery,
-                },
-            )
+                })
         } else if self.state.charge_rate_set {
             self.state.charge_rate_set = false;
-            let attr = if MAX_BATTERY_CHARGE_RATE_ATTR.exists(&*self.sysfs_hwmon) {
-                MAX_BATTERY_CHARGE_RATE_ATTR
-            } else {
-                MAXIMUM_BATTERY_CHARGE_RATE_ATTR
-            };
-            let path = attr.path(&*self.sysfs_hwmon);
-            self.sysfs_hwmon.set(attr, self.limits.charge_rate.max,).map_err(
-                |e| SettingError {
+            let path = MAX_BATTERY_CHARGE_RATE_ATTR.path(&*self.sysfs_hwmon);
+            self.sysfs_hwmon
+                .set(
+                    MAX_BATTERY_CHARGE_RATE_ATTR,
+                    self.limits
+                        .charge_rate
+                        .and_then(|lim| lim.max)
+                        .unwrap_or(2500),
+                )
+                .map_err(|e| SettingError {
                     msg: format!("Failed to write to `{}`: {}", path.display(), e),
                     setting: crate::settings::SettingVariant::Battery,
-                },
-            )
+                })
         } else {
             Ok(())
         }
@@ -374,20 +353,60 @@ impl Battery {
     fn set_charge_mode(&mut self) -> Result<(), SettingError> {
         if let Some(charge_mode) = self.charge_mode {
             self.state.charge_mode_set = true;
-            super::util::set(super::util::Setting::ChargeMode, charge_mode as _)
-                .map_err(|e| SettingError {
-                    msg: format!("Failed to set charge mode: {}", e),
-                    setting: crate::settings::SettingVariant::Battery,
-                })
-                .map(|_| ())
+            let mut lock = self
+                .bat_ec
+                .lock()
+                .expect("Failed to lock battery controller");
+            lock.set(charge_mode).map_err(|_| SettingError {
+                msg: format!("Failed to set charge mode"),
+                setting: crate::settings::SettingVariant::Battery,
+            })
         } else if self.state.charge_mode_set {
             self.state.charge_mode_set = false;
-            super::util::set(super::util::Setting::ChargeMode, ChargeMode::Normal as _)
+            let mut lock = self
+                .bat_ec
+                .lock()
+                .expect("Failed to lock battery controller");
+            lock.set(ChargeMode::Normal).map_err(|_| SettingError {
+                msg: format!("Failed to set charge mode"),
+                setting: crate::settings::SettingVariant::Battery,
+            })
+        } else {
+            Ok(())
+        }
+    }
+
+    fn set_charge_limit(&mut self) -> Result<(), SettingError> {
+        let attr_exists = MAX_BATTERY_CHARGE_LEVEL_ATTR.exists(&*self.sysfs_hwmon);
+        log::debug!(
+            "Does battery limit attribute (max_battery_charge_level) exist? {}",
+            attr_exists
+        );
+        if let Some(charge_limit) = self.charge_limit {
+            self.state.charge_limit_set = true;
+            self.sysfs_hwmon
+                .set(
+                    MAX_BATTERY_CHARGE_LEVEL_ATTR,
+                    (charge_limit * 100.0).round() as u64,
+                )
                 .map_err(|e| SettingError {
-                    msg: format!("Failed to set charge mode: {}", e),
+                    msg: format!(
+                        "Failed to write to {:?}: {}",
+                        MAX_BATTERY_CHARGE_LEVEL_ATTR, e
+                    ),
+                    setting: crate::settings::SettingVariant::Battery,
+                })
+        } else if self.state.charge_limit_set {
+            self.state.charge_limit_set = false;
+            self.sysfs_hwmon
+                .set(MAX_BATTERY_CHARGE_LEVEL_ATTR, 0)
+                .map_err(|e| SettingError {
+                    msg: format!(
+                        "Failed to reset (write to) {:?}: {}",
+                        MAX_BATTERY_CHARGE_LEVEL_ATTR, e
+                    ),
                     setting: crate::settings::SettingVariant::Battery,
                 })
-                .map(|_| ())
         } else {
             Ok(())
         }
@@ -397,6 +416,7 @@ impl Battery {
         let mut errors = Vec::new();
         self.set_charge_rate().unwrap_or_else(|e| errors.push(e));
         self.set_charge_mode().unwrap_or_else(|e| errors.push(e));
+        self.set_charge_limit().unwrap_or_else(|e| errors.push(e));
         if errors.is_empty() {
             Ok(())
         } else {
@@ -406,8 +426,16 @@ impl Battery {
 
     fn clamp_all(&mut self) {
         if let Some(charge_rate) = &mut self.charge_rate {
-            *charge_rate =
-                (*charge_rate).clamp(self.limits.charge_rate.min, self.limits.charge_rate.max);
+            *charge_rate = (*charge_rate).clamp(
+                self.limits
+                    .charge_rate
+                    .and_then(|lim| lim.min)
+                    .unwrap_or(MIN_CHARGE_RATE),
+                self.limits
+                    .charge_rate
+                    .and_then(|lim| lim.max)
+                    .unwrap_or(MAX_CHARGE_RATE),
+            );
         }
     }
 
@@ -489,26 +517,6 @@ impl Battery {
         }
     }
 
-    pub fn system_default() -> Self {
-        let (oc_limits, is_default) = OverclockLimits::load_or_default();
-        let oc_limits = oc_limits.battery;
-        let driver = if is_default {
-            crate::persist::DriverJson::SteamDeck
-        } else {
-            crate::persist::DriverJson::SteamDeckAdvance
-        };
-        Self {
-            charge_rate: None,
-            charge_mode: None,
-            events: Vec::new(),
-            limits: oc_limits,
-            state: crate::state::steam_deck::Battery::default(),
-            driver_mode: driver,
-            sysfs_bat: Self::find_battery_sysfs(None::<&'static str>),
-            sysfs_hwmon: Arc::new(Self::find_hwmon_sysfs(None::<&'static str>)),
-        }
-    }
-
     fn find_limit_event(&self) -> Option<usize> {
         for (i, event) in self.events.iter().enumerate() {
             match event.trigger {
@@ -536,20 +544,159 @@ impl Battery {
         }
         None
     }
+
+    fn remove_charge_limit_instructions(mut self) -> Self {
+        if let Some(lim_ev) = self.find_limit_event() {
+            log::debug!("Found limit event @ {}", lim_ev);
+            if let Some(unlim_ev) = self.find_unlimit_event() {
+                log::debug!("Found unlimit event @ {}", unlim_ev);
+                self.charge_limit = match &self.events[lim_ev].trigger {
+                    EventTrigger::BatteryAbove(x) => Some(*x),
+                    _ => panic!("Got limit event with wrong event trigger variant"),
+                };
+                log::debug!("Charge limit detected as {}", self.charge_limit.unwrap());
+                if lim_ev > unlim_ev {
+                    self.events.remove(lim_ev);
+                    self.events.remove(unlim_ev);
+                } else {
+                    self.events.remove(unlim_ev);
+                    self.events.remove(lim_ev);
+                }
+            }
+        }
+        self
+    }
+
+    fn with_charge_limit_instructions(&self) -> Vec<EventInstruction> {
+        if let Some(limit) = self.charge_limit {
+            log::debug!("Adding charge limit event instructions for limit {}", limit);
+            let mut events = self.events.clone();
+            // upper limit
+            log::info!(
+                "Creating Steam Deck charge limit event instruction of >{}",
+                limit
+            );
+            events.push(EventInstruction {
+                trigger: EventTrigger::BatteryAbove(limit),
+                charge_rate: None,
+                charge_mode: Some(ChargeMode::Idle),
+                is_triggered: false,
+                sysfs_hwmon: self.sysfs_hwmon.clone(),
+                bat_ec: self.bat_ec.clone(),
+            });
+            // lower limit
+            let limit = (limit - 0.10).clamp(0.0, 1.0);
+            log::info!(
+                "Creating Steam Deck charge limit event instruction of <{}",
+                limit
+            );
+            events.push(EventInstruction {
+                trigger: EventTrigger::BatteryBelow(limit),
+                charge_rate: None,
+                charge_mode: Some(ChargeMode::Normal),
+                is_triggered: false,
+                sysfs_hwmon: self.sysfs_hwmon.clone(),
+                bat_ec: self.bat_ec.clone(),
+            });
+            events
+        } else {
+            log::debug!("No charge limit set, skipping add of event instructions");
+            self.events.clone()
+        }
+    }
+
+    pub fn variant(mut self, model: super::Model) -> Self {
+        self.variant = model;
+        self
+    }
 }
 
 impl Into<BatteryJson> for Battery {
     #[inline]
     fn into(self) -> BatteryJson {
+        let events = self.with_charge_limit_instructions();
         BatteryJson {
             charge_rate: self.charge_rate,
             charge_mode: self.charge_mode.map(Self::charge_mode_to_str),
-            events: self.events.into_iter().map(|x| x.into()).collect(),
-            root: self.sysfs_bat.root().or(self.sysfs_hwmon.root()).and_then(|p| p.as_ref().to_str().map(|x| x.to_owned()))
+            events: events.into_iter().map(|x| x.into()).collect(),
+            root: self
+                .sysfs_bat
+                .root()
+                .or(self.sysfs_hwmon.root())
+                .and_then(|p| p.as_ref().to_str().map(|x| x.to_owned())),
         }
     }
 }
 
+impl ProviderBuilder<BatteryJson, GenericBatteryLimit> for Battery {
+    fn from_json_and_limits(
+        persistent: BatteryJson,
+        version: u64,
+        limits: GenericBatteryLimit,
+    ) -> Self {
+        let hwmon_sys = Arc::new(Self::find_hwmon_sysfs(None::<&'static str>));
+        let ec = Arc::new(Mutex::new(UnnamedPowerEC::new()));
+        match version {
+            0 => Self {
+                charge_rate: persistent.charge_rate,
+                charge_mode: persistent
+                    .charge_mode
+                    .map(|x| Self::str_to_charge_mode(&x))
+                    .flatten(),
+                charge_limit: None,
+                events: persistent
+                    .events
+                    .into_iter()
+                    .map(|x| EventInstruction::from_json(x, version, hwmon_sys.clone(), ec.clone()))
+                    .collect(),
+                limits: limits,
+                state: crate::state::steam_deck::Battery::default(),
+                sysfs_bat: Self::find_battery_sysfs(None::<&'static str>),
+                sysfs_hwmon: hwmon_sys,
+                bat_ec: ec,
+                variant: super::Model::LCD,
+            }
+            .remove_charge_limit_instructions(),
+            _ => Self {
+                charge_rate: persistent.charge_rate,
+                charge_mode: persistent
+                    .charge_mode
+                    .map(|x| Self::str_to_charge_mode(&x))
+                    .flatten(),
+                charge_limit: None,
+                events: persistent
+                    .events
+                    .into_iter()
+                    .map(|x| EventInstruction::from_json(x, version, hwmon_sys.clone(), ec.clone()))
+                    .collect(),
+                limits: limits,
+                state: crate::state::steam_deck::Battery::default(),
+                sysfs_bat: Self::find_battery_sysfs(None::<&'static str>),
+                sysfs_hwmon: hwmon_sys,
+                bat_ec: ec,
+                variant: super::Model::LCD,
+            }
+            .remove_charge_limit_instructions(),
+        }
+    }
+
+    fn from_limits(limits: GenericBatteryLimit) -> Self {
+        Self {
+            charge_rate: None,
+            charge_mode: None,
+            charge_limit: None,
+            events: Vec::new(),
+            limits: limits,
+            state: crate::state::steam_deck::Battery::default(),
+            sysfs_bat: Self::find_battery_sysfs(None::<&'static str>),
+            sysfs_hwmon: Arc::new(Self::find_hwmon_sysfs(None::<&'static str>)),
+            bat_ec: Arc::new(Mutex::new(UnnamedPowerEC::new())),
+            variant: super::Model::LCD,
+        }
+        .remove_charge_limit_instructions()
+    }
+}
+
 impl OnSet for Battery {
     fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
         self.clamp_all();
@@ -584,22 +731,7 @@ impl OnPowerEvent for Battery {
             PowerMode::BatteryCharge(_) => Ok(()),
         }
         .unwrap_or_else(|mut e| errors.append(&mut e));
-        let attr_exists = MAX_BATTERY_CHARGE_LEVEL_ATTR.exists(&*self.sysfs_hwmon);
-        log::info!("Does battery limit attribute (max_battery_charge_level) exist? {}", attr_exists);
         for ev in &mut self.events {
-            if attr_exists {
-                if let EventTrigger::BatteryAbove(level) = ev.trigger {
-                    if let Some(ChargeMode::Idle) = ev.charge_mode {
-                        self.sysfs_hwmon.set(MAX_BATTERY_CHARGE_LEVEL_ATTR, (level * 100.0).round() as u64)
-                            .unwrap_or_else(|e| errors.push(
-                                SettingError {
-                                    msg: format!("Failed to write to {:?}: {}", MAX_BATTERY_CHARGE_LEVEL_ATTR, e),
-                                    setting: crate::settings::SettingVariant::Battery,
-                                }
-                            ));
-                    }
-                }
-            }
             ev.on_power_event(new_mode)
                 .unwrap_or_else(|mut e| errors.append(&mut e));
         }
@@ -611,12 +743,32 @@ impl OnPowerEvent for Battery {
     }
 }
 
+impl crate::settings::OnLoad for Battery {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Battery {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl TBattery for Battery {
     fn limits(&self) -> crate::api::BatteryLimits {
         crate::api::BatteryLimits {
             charge_current: Some(RangeLimit {
-                min: self.limits.charge_rate.min,
-                max: self.limits.charge_rate.max,
+                min: self
+                    .limits
+                    .charge_rate
+                    .and_then(|lim| lim.min)
+                    .unwrap_or(MIN_CHARGE_RATE),
+                max: self
+                    .limits
+                    .charge_rate
+                    .and_then(|lim| lim.max)
+                    .unwrap_or(MAX_CHARGE_RATE),
             }),
             charge_current_step: 50,
             charge_modes: vec![
@@ -711,84 +863,11 @@ impl TBattery for Battery {
     }
 
     fn charge_limit(&mut self, limit: Option<f64>) {
-        // upper limit
-        let index = self.find_limit_event();
-        if let Some(index) = index {
-            if let Some(limit) = limit {
-                log::info!(
-                    "Updating Steam Deck charge limit event instruction to >{}",
-                    limit
-                );
-                self.events[index] = EventInstruction {
-                    trigger: EventTrigger::BatteryAbove(limit / 100.0),
-                    charge_rate: None,
-                    charge_mode: Some(ChargeMode::Idle),
-                    is_triggered: false,
-                    sysfs_hwmon: self.sysfs_hwmon.clone(),
-                };
-            } else {
-                self.events.remove(index);
-            }
-        } else if let Some(limit) = limit {
-            log::info!(
-                "Creating Steam Deck charge limit event instruction of >{}",
-                limit
-            );
-            self.events.push(EventInstruction {
-                trigger: EventTrigger::BatteryAbove(limit / 100.0),
-                charge_rate: None,
-                charge_mode: Some(ChargeMode::Idle),
-                is_triggered: false,
-                sysfs_hwmon: self.sysfs_hwmon.clone(),
-            });
-        }
-        // lower limit
-        let index = self.find_unlimit_event();
-        if let Some(index) = index {
-            if let Some(limit) = limit {
-                let limit = (limit - 10.0).clamp(0.0, 100.0);
-                log::info!(
-                    "Updating Steam Deck charge limit event instruction to <{}",
-                    limit
-                );
-                self.events[index] = EventInstruction {
-                    trigger: EventTrigger::BatteryBelow(limit / 100.0),
-                    charge_rate: None,
-                    charge_mode: Some(ChargeMode::Normal),
-                    is_triggered: false,
-                    sysfs_hwmon: self.sysfs_hwmon.clone(),
-                };
-            } else {
-                self.events.remove(index);
-            }
-        } else if let Some(limit) = limit {
-            let limit = (limit - 10.0).clamp(0.0, 100.0);
-            log::info!(
-                "Creating Steam Deck charge limit event instruction of <{}",
-                limit
-            );
-            self.events.push(EventInstruction {
-                trigger: EventTrigger::BatteryBelow(limit / 100.0),
-                charge_rate: None,
-                charge_mode: Some(ChargeMode::Normal),
-                is_triggered: false,
-                sysfs_hwmon: self.sysfs_hwmon.clone(),
-            });
-        }
+        self.charge_limit = limit.map(|lim| lim / 100.0);
     }
 
     fn get_charge_limit(&self) -> Option<f64> {
-        let index = self.find_limit_event();
-        if let Some(index) = index {
-            if let EventTrigger::BatteryAbove(limit) = self.events[index].trigger {
-                Some(limit * 100.0)
-            } else {
-                log::error!("Got index {} for battery charge limit which does not have expected event trigger: {:?}", index, &self.events);
-                None
-            }
-        } else {
-            None
-        }
+        self.charge_limit.map(|lim| lim * 100.0)
     }
 
     fn check_power(&mut self) -> Result<Vec<PowerMode>, Vec<SettingError>> {
@@ -828,6 +907,9 @@ impl TBattery for Battery {
     }
 
     fn provider(&self) -> crate::persist::DriverJson {
-        self.driver_mode.clone()
+        match self.variant {
+            super::Model::LCD => crate::persist::DriverJson::SteamDeck,
+            super::Model::OLED => crate::persist::DriverJson::SteamDeckOLED,
+        }
     }
 }
diff --git a/backend/src/settings/steam_deck/cpu.rs b/backend/src/settings/steam_deck/cpu.rs
index a6e4d10..e76df46 100644
--- a/backend/src/settings/steam_deck/cpu.rs
+++ b/backend/src/settings/steam_deck/cpu.rs
@@ -2,28 +2,33 @@ use std::convert::Into;
 
 use sysfuss::{BasicEntityPath, SysEntity, SysEntityAttributesExt};
 
-use super::oc_limits::{CpuLimits, CpusLimits, OverclockLimits};
+use limits_core::json_v2::{GenericCpuLimit, GenericCpusLimit};
+
+use super::util::{range_max_or_fallback, range_min_or_fallback};
 use super::POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT;
 use crate::api::RangeLimit;
 use crate::persist::CpuJson;
 use crate::settings::{min_max_from_json, MinMax};
 use crate::settings::{OnResume, OnSet, SettingError};
-use crate::settings::{TCpu, TCpus};
+use crate::settings::{ProviderBuilder, TCpu, TCpus};
 
 const CPU_PRESENT_PATH: &str = "/sys/devices/system/cpu/present";
 const CPU_SMT_PATH: &str = "/sys/devices/system/cpu/smt/control";
 
-const CARD_EXTENSIONS: &[&'static str] = &[
-    super::DPM_FORCE_LIMITS_ATTRIBUTE
-];
+const CARD_EXTENSIONS: &[&'static str] = &[super::DPM_FORCE_LIMITS_ATTRIBUTE];
+
+const MAX_CLOCK: u64 = 3500;
+const MIN_MAX_CLOCK: u64 = 200; // minimum value allowed for maximum CPU clock, MHz
+const MIN_MIN_CLOCK: u64 = 1400; // minimum value allowed for minimum CPU clock, MHz
+const CLOCK_STEP: u64 = 100;
 
 #[derive(Debug, Clone)]
 pub struct Cpus {
     pub cpus: Vec<Cpu>,
     pub smt: bool,
     pub smt_capable: bool,
-    pub(super) limits: CpusLimits,
-    driver_mode: crate::persist::DriverJson,
+    pub(super) limits: GenericCpusLimit,
+    variant: super::Model,
 }
 
 impl OnSet for Cpus {
@@ -95,84 +100,49 @@ impl Cpus {
         }
     }
 
-    pub fn system_default() -> Self {
-        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.reset();
-        let (oc_limits, is_default) = OverclockLimits::load_or_default();
-        let oc_limits = oc_limits.cpus;
-        let driver = if is_default {
-            crate::persist::DriverJson::SteamDeck
-        } else {
-            crate::persist::DriverJson::SteamDeckAdvance
-        };
-        if let Some(max_cpu) = Self::cpu_count() {
-            let mut sys_cpus = Vec::with_capacity(max_cpu);
-            for i in 0..max_cpu {
-                sys_cpus.push(Cpu::system_default(
-                    i,
-                    oc_limits
-                        .cpus
-                        .get(i)
-                        .map(|x| x.to_owned())
-                        .unwrap_or_default(),
-                ));
-            }
-            let (_, can_smt) = Self::system_smt_capabilities();
-            Self {
-                cpus: sys_cpus,
-                smt: true,
-                smt_capable: can_smt,
-                limits: oc_limits,
-                driver_mode: driver,
-            }
-        } else {
-            Self {
-                cpus: vec![],
-                smt: false,
-                smt_capable: false,
-                limits: oc_limits,
-                driver_mode: driver,
-            }
+    pub fn variant(mut self, model: super::Model) -> Self {
+        self.variant = model;
+        for cpu in self.cpus.iter_mut() {
+            cpu.variant(model)
         }
+        self
     }
+}
 
-    #[inline]
-    pub fn from_json(mut other: Vec<CpuJson>, version: u64) -> Self {
+impl ProviderBuilder<Vec<CpuJson>, GenericCpusLimit> for Cpus {
+    fn from_json_and_limits(
+        mut persistent: Vec<CpuJson>,
+        version: u64,
+        limits: GenericCpusLimit,
+    ) -> Self {
         POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.reset();
-        let (oc_limits, is_default) = OverclockLimits::load_or_default();
-        let oc_limits = oc_limits.cpus;
-        let driver = if is_default {
-            crate::persist::DriverJson::SteamDeck
-        } else {
-            crate::persist::DriverJson::SteamDeckAdvance
-        };
         let (_, can_smt) = Self::system_smt_capabilities();
-        let mut result = Vec::with_capacity(other.len());
+        let mut result = Vec::with_capacity(persistent.len());
         let max_cpus = Self::cpu_count();
-        let smt_guess = crate::settings::util::guess_smt(&other) && can_smt;
-        for (i, cpu) in other.drain(..).enumerate() {
+        let smt_guess = crate::settings::util::guess_smt(&persistent) && can_smt;
+        for (i, cpu) in persistent.drain(..).enumerate() {
             // prevent having more CPUs than available
             if let Some(max_cpus) = max_cpus {
                 if i == max_cpus {
                     break;
                 }
             }
-            let new_cpu = Cpu::from_json(
-                cpu,
-                version,
-                i,
-                oc_limits
-                    .cpus
-                    .get(i)
-                    .map(|x| x.to_owned())
-                    .unwrap_or_default(),
-            );
+            let new_cpu = if let Some(cpu_limit) = limits.cpus.get(i) {
+                let mut cpu_limit_clone = cpu_limit.to_owned();
+                for item in &limits.extras.quirks {
+                    cpu_limit_clone.extras.quirks.insert(item.to_owned());
+                }
+                cpu_limit_clone.extras.experiments |= limits.extras.experiments;
+                Cpu::from_json_and_limits(cpu, version, i, cpu_limit_clone)
+            } else {
+                Cpu::from_json(cpu, version, i)
+            };
             result.push(new_cpu);
         }
         if let Some(max_cpus) = max_cpus {
             if result.len() != max_cpus {
-                let mut sys_cpus = Cpus::system_default();
-                for i in result.len()..sys_cpus.cpus.len() {
-                    result.push(sys_cpus.cpus.remove(i));
+                for i in result.len()..max_cpus {
+                    result.push(Cpu::system_default(i));
                 }
             }
         }
@@ -180,14 +150,74 @@ impl Cpus {
             cpus: result,
             smt: smt_guess,
             smt_capable: can_smt,
-            limits: oc_limits,
-            driver_mode: driver,
+            limits: limits,
+            variant: super::Model::LCD,
+        }
+    }
+
+    fn from_limits(limits: GenericCpusLimit) -> Self {
+        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.reset();
+        if let Some(max_cpu) = Self::cpu_count() {
+            let mut sys_cpus = Vec::with_capacity(max_cpu);
+            for i in 0..max_cpu {
+                let new_cpu = if let Some(cpu_limit) = limits.cpus.get(i) {
+                    Cpu::from_limits(i, cpu_limit.to_owned())
+                } else {
+                    Cpu::system_default(i)
+                };
+                sys_cpus.push(new_cpu);
+            }
+            let (_, can_smt) = Self::system_smt_capabilities();
+            Self {
+                cpus: sys_cpus,
+                smt: true,
+                smt_capable: can_smt,
+                limits: limits,
+                variant: super::Model::LCD,
+            }
+        } else {
+            Self {
+                cpus: vec![],
+                smt: false,
+                smt_capable: false,
+                limits: limits,
+                variant: super::Model::LCD,
+            }
         }
     }
 }
 
 impl crate::settings::OnPowerEvent for Cpus {}
 
+impl crate::settings::OnLoad for Cpus {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        let mut errors = Vec::new();
+        for cpu in &mut self.cpus {
+            cpu.on_load().unwrap_or_else(|mut e| errors.append(&mut e));
+        }
+        if errors.is_empty() {
+            Ok(())
+        } else {
+            Err(errors)
+        }
+    }
+}
+
+impl crate::settings::OnUnload for Cpus {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        let mut errors = Vec::new();
+        for cpu in &mut self.cpus {
+            cpu.on_unload()
+                .unwrap_or_else(|mut e| errors.append(&mut e));
+        }
+        if errors.is_empty() {
+            Ok(())
+        } else {
+            Err(errors)
+        }
+    }
+}
+
 impl TCpus for Cpus {
     fn limits(&self) -> crate::api::CpusLimits {
         crate::api::CpusLimits {
@@ -224,7 +254,10 @@ impl TCpus for Cpus {
     }
 
     fn provider(&self) -> crate::persist::DriverJson {
-        self.driver_mode.clone()
+        match self.variant {
+            super::Model::LCD => crate::persist::DriverJson::SteamDeck,
+            super::Model::OLED => crate::persist::DriverJson::SteamDeckOLED,
+        }
     }
 }
 
@@ -233,10 +266,11 @@ pub struct Cpu {
     pub online: bool,
     pub clock_limits: Option<MinMax<u64>>,
     pub governor: String,
-    limits: CpuLimits,
+    limits: GenericCpuLimit,
     index: usize,
     state: crate::state::steam_deck::Cpu,
     sysfs: BasicEntityPath,
+    variant: super::Model,
 }
 
 //const CPU_CLOCK_LIMITS_PATH: &str = "/sys/class/drm/card0/device/pp_od_clk_voltage";
@@ -249,7 +283,12 @@ enum ClockType {
 
 impl Cpu {
     #[inline]
-    fn from_json(other: CpuJson, version: u64, i: usize, oc_limits: CpuLimits) -> Self {
+    fn from_json_and_limits(
+        other: CpuJson,
+        version: u64,
+        i: usize,
+        oc_limits: GenericCpuLimit,
+    ) -> Self {
         match version {
             0 => Self {
                 online: other.online,
@@ -259,6 +298,7 @@ impl Cpu {
                 index: i,
                 state: crate::state::steam_deck::Cpu::default(),
                 sysfs: Self::find_card_sysfs(other.root),
+                variant: super::Model::LCD,
             },
             _ => Self {
                 online: other.online,
@@ -268,13 +308,28 @@ impl Cpu {
                 index: i,
                 state: crate::state::steam_deck::Cpu::default(),
                 sysfs: Self::find_card_sysfs(other.root),
+                variant: super::Model::LCD,
             },
         }
     }
 
+    #[inline]
+    fn from_json(other: CpuJson, version: u64, i: usize) -> Self {
+        let oc_limits =
+            GenericCpuLimit::default_for(&limits_core::json_v2::CpuLimitType::SteamDeck, i);
+        Self::from_json_and_limits(other, version, i, oc_limits)
+    }
+
     fn find_card_sysfs(root: Option<impl AsRef<std::path::Path>>) -> BasicEntityPath {
         let root = crate::settings::util::root_or_default_sysfs(root);
-        match root.class("drm", sysfuss::capability::attributes(crate::settings::util::CARD_NEEDS.into_iter().map(|s| s.to_string()))) {
+        match root.class(
+            "drm",
+            sysfuss::capability::attributes(
+                crate::settings::util::CARD_NEEDS
+                    .into_iter()
+                    .map(|s| s.to_string()),
+            ),
+        ) {
             Ok(iter) => {
                 let card = iter
                     .filter(|ent| if let Ok(name) = ent.name() { name.starts_with("card")} else { false })
@@ -286,25 +341,62 @@ impl Cpu {
                     });
                 log::info!("Found SteamDeck drm in sysfs: {}", card.as_ref().display());
                 card
-            },
+            }
             Err(e) => {
-                log::error!("Failed to find SteamDeck drm in sysfs ({}), using naive fallback", e);
+                log::error!(
+                    "Failed to find SteamDeck drm in sysfs ({}), using naive fallback",
+                    e
+                );
                 BasicEntityPath::new(root.as_ref().join("sys/class/drm/card0"))
             }
         }
     }
 
-    fn set_clock_limit(&self, index: usize, speed: u64, mode: ClockType) -> Result<(), SettingError> {
+    fn read_max_cpu_clock(&self) -> u64 {
+        if !(self.limits.extras.experiments
+            || self.limits.extras.quirks.contains("clock-autodetect"))
+        {
+            return MAX_CLOCK;
+        }
+        if let super::Model::OLED = self.variant {
+            if let Ok(freq_khz) =
+                usdpl_back::api::files::read_single::<_, u64, _>(cpu_max_clock_path(self.index))
+            {
+                log::debug!("Detected CPU max clock of {}KHz", freq_khz);
+                return freq_khz / 1000;
+            }
+        }
+        MAX_CLOCK
+    }
+
+    fn set_clock_limit(
+        &self,
+        index: usize,
+        speed: u64,
+        mode: ClockType,
+    ) -> Result<(), SettingError> {
         let payload = format!("p {} {} {}\n", index / 2, mode as u8, speed);
-        self.sysfs.set(CPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), &payload).map_err(|e| {
-            SettingError {
+        self.sysfs
+            .set(CPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), &payload)
+            .map_err(|e| SettingError {
                 msg: format!(
                     "Failed to write `{}` to `{}`: {}",
                     &payload, CPU_CLOCK_LIMITS_ATTRIBUTE, e
                 ),
                 setting: crate::settings::SettingVariant::Cpu,
-            }
-        })
+            })
+    }
+
+    fn reset_clock_limits(&self) -> Result<(), SettingError> {
+        self.sysfs
+            .set(CPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), "r\n")
+            .map_err(|e| SettingError {
+                msg: format!(
+                    "Failed to write `r` to `{}`: {}",
+                    CPU_CLOCK_LIMITS_ATTRIBUTE, e
+                ),
+                setting: crate::settings::SettingVariant::Cpu,
+            })
     }
 
     fn set_clock_limits(&mut self) -> Result<(), Vec<SettingError>> {
@@ -326,11 +418,12 @@ impl Cpu {
             }
             // min clock
             if let Some(min) = clock_limits.min {
-                let valid_min = if min < self.limits.clock_min.min {
-                    self.limits.clock_min.min
-                } else {
-                    min
-                };
+                let valid_min =
+                    if min < range_min_or_fallback(&self.limits.clock_min, MIN_MIN_CLOCK) {
+                        range_min_or_fallback(&self.limits.clock_min, MIN_MIN_CLOCK)
+                    } else {
+                        min
+                    };
                 self.set_clock_limit(self.index, valid_min, ClockType::Min)
                     .unwrap_or_else(|e| errors.push(e));
             }
@@ -347,22 +440,27 @@ impl Cpu {
             let mut errors = Vec::new();
             self.state.clock_limits_set = false;
             POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(false, self.index);
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
-                    .enforce_level(&self.sysfs)?;
+            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.enforce_level(&self.sysfs)?;
             if POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
                 // always set clock speeds, since it doesn't reset correctly (kernel/hardware bug)
                 POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.enforce_level(&self.sysfs)?;
                 // disable manual clock limits
                 log::debug!("Setting CPU {} to default clockspeed", self.index);
                 // max clock
-                self.set_clock_limit(self.index, self.limits.clock_max.max, ClockType::Max)
-                    .unwrap_or_else(|e| errors.push(e));
+                self.set_clock_limit(
+                    self.index,
+                    range_max_or_fallback(&self.limits.clock_max, MAX_CLOCK),
+                    ClockType::Max,
+                )
+                .unwrap_or_else(|e| errors.push(e));
                 // min clock
-                self.set_clock_limit(self.index, self.limits.clock_min.min, ClockType::Min)
-                    .unwrap_or_else(|e| errors.push(e));
+                self.set_clock_limit(
+                    self.index,
+                    range_min_or_fallback(&self.limits.clock_min, MIN_MIN_CLOCK),
+                    ClockType::Min,
+                )
+                .unwrap_or_else(|e| errors.push(e));
             }
-            // TODO remove this when it's no longer needed
-            self.clock_unset_workaround().unwrap_or_else(|mut e| errors.append(&mut e));
             if errors.is_empty() {
                 Ok(())
             } else {
@@ -374,40 +472,50 @@ impl Cpu {
     }
 
     // https://github.com/NGnius/PowerTools/issues/107
-    fn clock_unset_workaround(&self) -> Result<(), Vec<SettingError>> {
-        if !self.state.is_resuming {
-            let mut errors = Vec::new();
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(true, self.index);
-            // always set clock speeds, since it doesn't reset correctly (kernel/hardware bug)
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.enforce_level(&self.sysfs)?;
-            // disable manual clock limits
-            log::debug!("Setting CPU {} to default clockspeed", self.index);
+    fn clock_unset(&self) -> Result<(), Vec<SettingError>> {
+        let mut errors = Vec::new();
+        if self.state.clock_limits_set && POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
             // max clock
-            self.set_clock_limit(self.index, self.limits.clock_max.max, ClockType::Max)
-                .unwrap_or_else(|e| errors.push(e));
+            self.set_clock_limit(
+                self.index,
+                range_max_or_fallback(&self.limits.clock_max, MAX_CLOCK),
+                ClockType::Max,
+            )
+            .unwrap_or_else(|e| errors.push(e));
             // min clock
-            self.set_clock_limit(self.index, self.limits.clock_min.min, ClockType::Min)
-                .unwrap_or_else(|e| errors.push(e));
+            self.set_clock_limit(
+                self.index,
+                range_min_or_fallback(&self.limits.clock_min, MIN_MIN_CLOCK),
+                ClockType::Min,
+            )
+            .unwrap_or_else(|e| errors.push(e));
 
             self.set_confirm().unwrap_or_else(|e| errors.push(e));
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(false, self.index);
-            if errors.is_empty() {
-                Ok(())
-            } else {
-                Err(errors)
-            }
-        } else {
+
+            self.reset_clock_limits().unwrap_or_else(|e| errors.push(e));
+            self.set_confirm().unwrap_or_else(|e| errors.push(e));
+        }
+        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(false, self.index);
+        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
+            .enforce_level(&self.sysfs)
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        if errors.is_empty() {
             Ok(())
+        } else {
+            Err(errors)
         }
     }
 
     fn set_confirm(&self) -> Result<(), SettingError> {
-        self.sysfs.set(CPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), "c\n").map_err(|e| {
-            SettingError {
-                msg: format!("Failed to write `c` to `{}`: {}", CPU_CLOCK_LIMITS_ATTRIBUTE, e),
+        self.sysfs
+            .set(CPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), "c\n")
+            .map_err(|e| SettingError {
+                msg: format!(
+                    "Failed to write `c` to `{}`: {}",
+                    CPU_CLOCK_LIMITS_ATTRIBUTE, e
+                ),
                 setting: crate::settings::SettingVariant::Cpu,
-            }
-        })
+            })
     }
 
     fn set_force_performance_related(&mut self) -> Result<(), Vec<SettingError>> {
@@ -476,12 +584,16 @@ impl Cpu {
     fn clamp_all(&mut self) {
         if let Some(clock_limits) = &mut self.clock_limits {
             if let Some(min) = clock_limits.min {
-                clock_limits.min =
-                    Some(min.clamp(self.limits.clock_min.min, self.limits.clock_min.max));
+                clock_limits.min = Some(min.clamp(
+                    range_min_or_fallback(&self.limits.clock_max, MIN_MAX_CLOCK),
+                    range_max_or_fallback(&self.limits.clock_min, MAX_CLOCK),
+                ));
             }
             if let Some(max) = clock_limits.max {
-                clock_limits.max =
-                    Some(max.clamp(self.limits.clock_max.min, self.limits.clock_max.max));
+                clock_limits.max = Some(max.clamp(
+                    range_min_or_fallback(&self.limits.clock_max, MIN_MAX_CLOCK),
+                    range_max_or_fallback(&self.limits.clock_max, MAX_CLOCK),
+                ));
             }
         }
     }
@@ -498,7 +610,7 @@ impl Cpu {
         }
     }*/
 
-    fn system_default(cpu_index: usize, oc_limits: CpuLimits) -> Self {
+    fn from_limits(cpu_index: usize, oc_limits: GenericCpuLimit) -> Self {
         Self {
             online: true,
             clock_limits: None,
@@ -506,21 +618,30 @@ impl Cpu {
             limits: oc_limits,
             index: cpu_index,
             state: crate::state::steam_deck::Cpu::default(),
-            sysfs: Self::find_card_sysfs(None::<&'static str>)
+            sysfs: Self::find_card_sysfs(None::<&'static str>),
+            variant: super::Model::LCD,
         }
     }
 
+    fn system_default(cpu_index: usize) -> Self {
+        Self::from_limits(
+            cpu_index,
+            GenericCpuLimit::default_for(&limits_core::json_v2::CpuLimitType::SteamDeck, cpu_index),
+        )
+    }
+
     fn limits(&self) -> crate::api::CpuLimits {
+        let max_cpu_clock = self.read_max_cpu_clock();
         crate::api::CpuLimits {
             clock_min_limits: Some(RangeLimit {
-                min: self.limits.clock_max.min, // allows min to be set by max (it's weird, blame the kernel)
-                max: self.limits.clock_min.max,
+                min: range_min_or_fallback(&self.limits.clock_max, MIN_MAX_CLOCK), // allows min to be set by max (it's weird, blame the kernel)
+                max: range_max_or_fallback(&self.limits.clock_min, max_cpu_clock),
             }),
             clock_max_limits: Some(RangeLimit {
-                min: self.limits.clock_max.min,
-                max: self.limits.clock_max.max,
+                min: range_min_or_fallback(&self.limits.clock_max, MIN_MAX_CLOCK),
+                max: range_max_or_fallback(&self.limits.clock_max, max_cpu_clock),
             }),
-            clock_step: self.limits.clock_step,
+            clock_step: self.limits.clock_step.unwrap_or(CLOCK_STEP),
             governors: self.governors(),
         }
     }
@@ -537,6 +658,10 @@ impl Cpu {
             };
         gov_str.split(' ').map(|s| s.to_owned()).collect()
     }
+
+    pub fn variant(&mut self, model: super::Model) {
+        self.variant = model;
+    }
 }
 
 impl Into<CpuJson> for Cpu {
@@ -546,7 +671,10 @@ impl Into<CpuJson> for Cpu {
             online: self.online,
             clock_limits: self.clock_limits.map(|x| x.into()),
             governor: self.governor,
-            root: self.sysfs.root().and_then(|p| p.as_ref().to_str().map(|r| r.to_owned()))
+            root: self
+                .sysfs
+                .root()
+                .and_then(|p| p.as_ref().to_str().map(|r| r.to_owned())),
         }
     }
 }
@@ -566,6 +694,18 @@ impl OnResume for Cpu {
     }
 }
 
+impl crate::settings::OnLoad for Cpu {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Cpu {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        self.clock_unset()
+    }
+}
+
 impl TCpu for Cpu {
     fn online(&mut self) -> &mut bool {
         &mut self.online
@@ -608,3 +748,11 @@ fn cpu_available_governors_path(index: usize) -> String {
         index
     )
 }
+
+#[inline]
+fn cpu_max_clock_path(index: usize) -> String {
+    format!(
+        "/sys/devices/system/cpu/cpufreq/policy{}/cpuinfo_max_freq",
+        index
+    )
+}
diff --git a/backend/src/settings/steam_deck/gpu.rs b/backend/src/settings/steam_deck/gpu.rs
index f1f428b..2899e1b 100644
--- a/backend/src/settings/steam_deck/gpu.rs
+++ b/backend/src/settings/steam_deck/gpu.rs
@@ -1,14 +1,18 @@
 use std::convert::Into;
 
-use sysfuss::{BasicEntityPath, HwMonPath, SysEntity, capability::attributes, SysEntityAttributesExt, SysAttribute};
+use sysfuss::{
+    capability::attributes, BasicEntityPath, HwMonPath, SysAttribute, SysEntity,
+    SysEntityAttributes, SysEntityAttributesExt,
+};
+
+use limits_core::json_v2::GenericGpuLimit;
 
-use super::oc_limits::{GpuLimits, OverclockLimits};
 use super::POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT;
 use crate::api::RangeLimit;
 use crate::persist::GpuJson;
-use crate::settings::TGpu;
 use crate::settings::{min_max_from_json, MinMax};
 use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TGpu};
 
 // usually in /sys/class/hwmon/hwmon4/<attribute>
 const SLOW_PPT_ATTRIBUTE: sysfuss::HwMonAttribute = sysfuss::HwMonAttribute::custom("power1_cap");
@@ -19,12 +23,12 @@ pub struct Gpu {
     pub fast_ppt: Option<u64>,
     pub slow_ppt: Option<u64>,
     pub clock_limits: Option<MinMax<u64>>,
-    pub slow_memory: bool,
-    limits: GpuLimits,
+    pub memory_clock: Option<u64>,
+    limits: GenericGpuLimit,
     state: crate::state::steam_deck::Gpu,
-    driver_mode: crate::persist::DriverJson,
     sysfs_card: BasicEntityPath,
-    sysfs_hwmon: HwMonPath
+    sysfs_hwmon: HwMonPath,
+    variant: super::Model,
 }
 
 // same as CPU
@@ -33,6 +37,7 @@ pub struct Gpu {
 
 const GPU_CLOCK_LIMITS_ATTRIBUTE: &str = "device/pp_od_clk_voltage";
 const GPU_MEMORY_DOWNCLOCK_ATTRIBUTE: &str = "device/pp_dpm_fclk";
+const GPU_CLOCK_READOUT_ATTRIBUTE: &str = "device/pp_dpm_sclk";
 
 const CARD_EXTENSIONS: &[&'static str] = &[
     GPU_CLOCK_LIMITS_ATTRIBUTE,
@@ -45,44 +50,28 @@ enum ClockType {
     Max = 1,
 }
 
-impl Gpu {
-    #[inline]
-    pub fn from_json(other: GpuJson, version: u64) -> Self {
-        let (oc_limits, is_default) = OverclockLimits::load_or_default();
-        let driver = if is_default {
-            crate::persist::DriverJson::SteamDeck
-        } else {
-            crate::persist::DriverJson::SteamDeckAdvance
-        };
-        match version {
-            0 => Self {
-                fast_ppt: other.fast_ppt,
-                slow_ppt: other.slow_ppt,
-                clock_limits: other.clock_limits.map(|x| min_max_from_json(x, version)),
-                slow_memory: other.slow_memory,
-                limits: oc_limits.gpu,
-                state: crate::state::steam_deck::Gpu::default(),
-                driver_mode: driver,
-                sysfs_card: Self::find_card_sysfs(other.root.clone()),
-                sysfs_hwmon: Self::find_hwmon_sysfs(other.root),
-            },
-            _ => Self {
-                fast_ppt: other.fast_ppt,
-                slow_ppt: other.slow_ppt,
-                clock_limits: other.clock_limits.map(|x| min_max_from_json(x, version)),
-                slow_memory: other.slow_memory,
-                limits: oc_limits.gpu,
-                state: crate::state::steam_deck::Gpu::default(),
-                driver_mode: driver,
-                sysfs_card: Self::find_card_sysfs(other.root.clone()),
-                sysfs_hwmon: Self::find_hwmon_sysfs(other.root),
-            },
-        }
-    }
+const MAX_CLOCK: u64 = 1600;
+const MIN_CLOCK: u64 = 200;
+const MAX_MEMORY_CLOCK: u64 = 800;
+const MIN_MEMORY_CLOCK: u64 = 400;
+const MAX_FAST_PPT: u64 = 30_000_000;
+const MIN_FAST_PPT: u64 = 1_000_000;
+const MAX_SLOW_PPT: u64 = 29_000_000;
+const MIN_SLOW_PPT: u64 = 1_000_000;
+const MIDDLE_PPT: u64 = 15_000_000;
+const PPT_DIVISOR: u64 = 1_000;
 
+impl Gpu {
     fn find_card_sysfs(root: Option<impl AsRef<std::path::Path>>) -> BasicEntityPath {
         let root = crate::settings::util::root_or_default_sysfs(root);
-        match root.class("drm", attributes(crate::settings::util::CARD_NEEDS.into_iter().map(|s| s.to_string()))) {
+        match root.class(
+            "drm",
+            attributes(
+                crate::settings::util::CARD_NEEDS
+                    .into_iter()
+                    .map(|s| s.to_string()),
+            ),
+        ) {
             Ok(iter) => {
                 let card = iter
                     .filter(|ent| if let Ok(name) = ent.name() { name.starts_with("card")} else { false })
@@ -92,11 +81,17 @@ impl Gpu {
                         log::error!("Failed to find SteamDeck gpu drm in sysfs (no results), using naive fallback");
                         BasicEntityPath::new(root.as_ref().join("sys/class/drm/card0"))
                     });
-                log::info!("Found SteamDeck gpu drm in sysfs: {}", card.as_ref().display());
+                log::info!(
+                    "Found SteamDeck gpu drm in sysfs: {}",
+                    card.as_ref().display()
+                );
                 card
-            },
+            }
             Err(e) => {
-                log::error!("Failed to find SteamDeck gpu drm in sysfs ({}), using naive fallback", e);
+                log::error!(
+                    "Failed to find SteamDeck gpu drm in sysfs ({}), using naive fallback",
+                    e
+                );
                 BasicEntityPath::new(root.as_ref().join("sys/class/drm/card0"))
             }
         }
@@ -104,33 +99,183 @@ impl Gpu {
 
     fn find_hwmon_sysfs(root: Option<impl AsRef<std::path::Path>>) -> HwMonPath {
         let root = crate::settings::util::root_or_default_sysfs(root);
-        let hwmon = root.hwmon_by_name(super::util::GPU_HWMON_NAME).unwrap_or_else(|e| {
-            log::error!("Failed to find SteamDeck gpu hwmon in sysfs ({}), using naive fallback", e);
-            root.hwmon_by_index(4)
-        });
-        log::info!("Found SteamDeck gpu hwmon {} in sysfs: {}", super::util::GPU_HWMON_NAME, hwmon.as_ref().display());
+        let hwmon = root
+            .hwmon_by_name(super::util::GPU_HWMON_NAME)
+            .unwrap_or_else(|e| {
+                log::error!(
+                    "Failed to find SteamDeck gpu hwmon in sysfs ({}), using naive fallback",
+                    e
+                );
+                root.hwmon_by_index(4)
+            });
+        log::info!(
+            "Found SteamDeck gpu hwmon {} in sysfs: {}",
+            super::util::GPU_HWMON_NAME,
+            hwmon.as_ref().display()
+        );
         hwmon
     }
 
     fn set_clock_limit(&self, speed: u64, mode: ClockType) -> Result<(), SettingError> {
         let payload = format!("s {} {}\n", mode as u8, speed);
         let path = GPU_CLOCK_LIMITS_ATTRIBUTE.path(&self.sysfs_card);
-        self.sysfs_card.set(GPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), &payload).map_err(|e| {
-            SettingError {
-                msg: format!("Failed to write `{}` to `{}`: {}", &payload, path.display(), e),
+        self.sysfs_card
+            .set(GPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), &payload)
+            .map_err(|e| SettingError {
+                msg: format!(
+                    "Failed to write `{}` to `{}`: {}",
+                    &payload,
+                    path.display(),
+                    e
+                ),
                 setting: crate::settings::SettingVariant::Gpu,
-            }
-        })
+            })
     }
 
     fn set_confirm(&self) -> Result<(), SettingError> {
         let path = GPU_CLOCK_LIMITS_ATTRIBUTE.path(&self.sysfs_card);
-        self.sysfs_card.set(GPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), "c\n").map_err(|e| {
-            SettingError {
+        self.sysfs_card
+            .set(GPU_CLOCK_LIMITS_ATTRIBUTE.to_owned(), "c\n")
+            .map_err(|e| SettingError {
                 msg: format!("Failed to write `c` to `{}`: {}", path.display(), e),
                 setting: crate::settings::SettingVariant::Gpu,
+            })
+    }
+
+    fn read_max_gpu_clock(&self) -> u64 {
+        if !(self.limits.extras.experiments
+            || self.limits.extras.quirks.contains("clock-autodetect"))
+        {
+            return MAX_CLOCK;
+        }
+        if let super::Model::OLED = self.variant {
+            if let Ok(f) = self
+                .sysfs_card
+                .read_value(GPU_CLOCK_READOUT_ATTRIBUTE.to_owned())
+            {
+                let options = parse_pp_dpm_sclk(&String::from_utf8_lossy(&f));
+                return options
+                    .get(options.len() - 1)
+                    .map(|x| {
+                        let x = x.1 as u64;
+                        log::debug!("Detected GPU max clock of {}MHz", x);
+                        x
+                    })
+                    .unwrap_or(MAX_CLOCK);
             }
-        })
+        }
+        MAX_CLOCK
+    }
+
+    fn is_memory_clock_maxed(&self) -> bool {
+        if let Some(clock) = &self.memory_clock {
+            if let Some(limit) = &self.limits.memory_clock {
+                if let Some(limit) = &limit.max {
+                    if let Some(step) = &self.limits.memory_clock_step {
+                        log::debug!(
+                            "chosen_clock: {}, limit_clock: {}, step: {}",
+                            clock,
+                            limit,
+                            step
+                        );
+                        return clock > &(limit - step);
+                    } else {
+                        log::debug!("chosen_clock: {}, limit_clock: {}", clock, limit);
+                        return clock == limit;
+                    }
+                }
+            }
+        }
+        true
+    }
+
+    fn quantize_memory_clock(&self, clock: u64) -> u64 {
+        if let Ok(f) = self
+            .sysfs_card
+            .read_value(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned())
+        {
+            let options = parse_pp_dpm_fclk(&String::from_utf8_lossy(&f));
+            // round (and find) nearest valid clock step
+            // roughly price is right strategy (clock step will always be lower or equal to chosen)
+            for i in 0..options.len() {
+                let (current_val_opt, current_speed_opt) = &options[i];
+                let current_speed_opt = *current_speed_opt as u64;
+                if clock == current_speed_opt {
+                    return *current_val_opt as _;
+                } else if current_speed_opt > clock {
+                    if i == 0 {
+                        return *current_val_opt as _;
+                    } else {
+                        return options[i - 1].0 as _;
+                    }
+                }
+            }
+            options[options.len() - 1].0 as _
+        } else {
+            self.is_memory_clock_maxed() as u64
+        }
+    }
+
+    fn build_memory_clock_payload(&self, clock: u64) -> String {
+        let max_val = self.quantize_memory_clock(clock);
+        let is_oled = matches!(self.variant, super::Model::OLED);
+        let is_lcd = matches!(self.variant, super::Model::LCD);
+        let is_lock_feature_enabled = self.limits.extras.quirks.contains("pp_dpm_fclk-static");
+
+        if (is_oled
+            && self
+                .limits
+                .extras
+                .quirks
+                .contains("pp_dpm_fclk-reversed-on-OLED"))
+            || (is_lcd
+                && self
+                    .limits
+                    .extras
+                    .quirks
+                    .contains("pp_dpm_fclk-reversed-on-LCD"))
+            || self.limits.extras.quirks.contains("pp_dpm_fclk-reversed")
+        {
+            let options_count = self
+                .sysfs_card
+                .read_value(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned())
+                .map(|b| parse_pp_dpm_fclk(&String::from_utf8_lossy(&b)).len())
+                .unwrap_or_else(|_| if is_oled { 4 } else { 2 });
+            let modifier = (options_count - 1) as u64;
+            if is_lock_feature_enabled {
+                format!("{}\n", modifier - max_val)
+            } else {
+                if max_val == 0 as u64 {
+                    format!("{}\n", modifier)
+                } else {
+                    use std::fmt::Write;
+                    let mut payload = format!("{}", modifier - max_val);
+                    for i in (0..max_val).rev(/* rev() isn't necessary but it creates a nicer (ascending) order */)
+                    {
+                        write!(payload, " {}", modifier - i)
+                            .expect("Failed to write to memory payload (should be infallible!?)");
+                    }
+                    write!(payload, "\n")
+                        .expect("Failed to write to memory payload (should be infallible!?)");
+                    payload
+                }
+            }
+        } else {
+            match max_val {
+                0 => "0\n".to_owned(),
+                max_val => {
+                    use std::fmt::Write;
+                    let mut payload = String::from("0");
+                    for i in 1..max_val {
+                        write!(payload, " {}", i)
+                            .expect("Failed to write to memory payload (should be infallible!?)");
+                    }
+                    write!(payload, " {}\n", max_val)
+                        .expect("Failed to write to memory payload (should be infallible!?)");
+                    payload
+                }
+            }
+        }
     }
 
     fn set_clocks(&mut self) -> Result<(), Vec<SettingError>> {
@@ -142,11 +287,13 @@ impl Gpu {
             self.state.clock_limits_set = true;
             // max clock
             if let Some(max) = clock_limits.max {
-                self.set_clock_limit(max, ClockType::Max).unwrap_or_else(|e| errors.push(e));
+                self.set_clock_limit(max, ClockType::Max)
+                    .unwrap_or_else(|e| errors.push(e));
             }
             // min clock
             if let Some(min) = clock_limits.min {
-                self.set_clock_limit(min, ClockType::Min).unwrap_or_else(|e| errors.push(e));
+                self.set_clock_limit(min, ClockType::Min)
+                    .unwrap_or_else(|e| errors.push(e));
             }
 
             self.set_confirm().unwrap_or_else(|e| errors.push(e));
@@ -155,16 +302,28 @@ impl Gpu {
             || POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual()
         {
             self.state.clock_limits_set = false;
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_gpu(self.slow_memory);
+            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_gpu(!self.is_memory_clock_maxed());
             if POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
                 POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.enforce_level(&self.sysfs_card)?;
                 // disable manual clock limits
                 // max clock
-                self.set_clock_limit(self.limits.clock_max.max, ClockType::Max)
-                    .unwrap_or_else(|e| errors.push(e));
+                self.set_clock_limit(
+                    self.limits
+                        .clock_max
+                        .and_then(|lim| lim.max)
+                        .unwrap_or(MAX_CLOCK),
+                    ClockType::Max,
+                )
+                .unwrap_or_else(|e| errors.push(e));
                 // min clock
-                self.set_clock_limit(self.limits.clock_min.min, ClockType::Min)
-                    .unwrap_or_else(|e| errors.push(e));
+                self.set_clock_limit(
+                    self.limits
+                        .clock_min
+                        .and_then(|lim| lim.min)
+                        .unwrap_or(MIN_CLOCK),
+                    ClockType::Min,
+                )
+                .unwrap_or_else(|e| errors.push(e));
 
                 self.set_confirm().unwrap_or_else(|e| errors.push(e));
             } else {
@@ -180,47 +339,49 @@ impl Gpu {
         }
     }
 
-    fn set_slow_memory(&self, slow: bool) -> Result<(), SettingError> {
-        let path = GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.path(&self.sysfs_card);
-        if slow {
-            self.sysfs_card.set(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned(), slow as u8).map_err(|e| {
-                SettingError {
+    fn set_memory_speed(&self, clock: u64) -> Result<(), SettingError> {
+        if POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
+            let path = GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.path(&self.sysfs_card);
+            let payload = self.build_memory_clock_payload(clock);
+            log::debug!(
+                "Generated payload for gpu fclk (memory): `{}` (is maxed? {})",
+                payload,
+                self.is_memory_clock_maxed()
+            );
+            self.sysfs_card
+                .set(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned(), payload)
+                .map_err(|e| SettingError {
                     msg: format!("Failed to write to `{}`: {}", path.display(), e),
                     setting: crate::settings::SettingVariant::Gpu,
-                }
-            })
+                })
         } else {
-            // NOTE: there is a GPU driver/hardware bug that prevents this from working
-            self.sysfs_card.set(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned(), "0 1\n").map_err(|e| {
-                SettingError {
-                    msg: format!("Failed to write to `{}`: {}", path.display(), e),
-                    setting: crate::settings::SettingVariant::Gpu,
-                }
-            })
+            Ok(())
         }
     }
 
     fn set_force_performance_related(&mut self) -> Result<(), Vec<SettingError>> {
         let mut errors = Vec::new();
-        // enable/disable downclock of GPU memory (to 400Mhz?)
-        if self.slow_memory {
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_gpu(true);
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
-                .enforce_level(&self.sysfs_card)
-                .unwrap_or_else(|mut e| errors.append(&mut e));
-            self.set_slow_memory(self.slow_memory).unwrap_or_else(|e| errors.push(e));
-        } else if POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
-            self.set_slow_memory(self.slow_memory).unwrap_or_else(|e| errors.push(e));
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_gpu(self.clock_limits.is_some());
-            POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
-                .enforce_level(&self.sysfs_card)
-                .unwrap_or_else(|mut e| errors.append(&mut e));
-        }
+        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
+            .set_gpu(!self.is_memory_clock_maxed() || self.clock_limits.is_some());
+        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
+            .enforce_level(&self.sysfs_card)
+            .unwrap_or_else(|mut e| errors.append(&mut e));
+        // enable/disable downclock of GPU memory
+        self.set_memory_speed(
+            self.memory_clock
+                .or_else(|| {
+                    self.limits
+                        .memory_clock
+                        .map(|lim| lim.max.unwrap_or(MAX_MEMORY_CLOCK))
+                })
+                .unwrap_or(MAX_MEMORY_CLOCK),
+        )
+        .unwrap_or_else(|e| errors.push(e));
         self.set_clocks()
             .unwrap_or_else(|mut e| errors.append(&mut e));
         // commit changes (if no errors have already occured)
         if errors.is_empty() {
-            if self.slow_memory || self.clock_limits.is_some() {
+            if !self.is_memory_clock_maxed() || self.clock_limits.is_some() {
                 self.set_confirm().map_err(|e| {
                     errors.push(e);
                     errors
@@ -238,7 +399,8 @@ impl Gpu {
         // set fast PPT
         if let Some(fast_ppt) = &self.fast_ppt {
             self.state.fast_ppt_set = true;
-            self.sysfs_hwmon.set(FAST_PPT_ATTRIBUTE, fast_ppt)
+            self.sysfs_hwmon
+                .set(FAST_PPT_ATTRIBUTE, fast_ppt)
                 .map_err(|e| SettingError {
                     msg: format!(
                         "Failed to write `{}` to `{:?}`: {}",
@@ -251,8 +413,9 @@ impl Gpu {
                 });
         } else if self.state.fast_ppt_set {
             self.state.fast_ppt_set = false;
-            let fast_ppt = self.limits.fast_ppt_default;
-            self.sysfs_hwmon.set(FAST_PPT_ATTRIBUTE, fast_ppt)
+            let fast_ppt = self.limits.fast_ppt_default.unwrap_or(MIDDLE_PPT);
+            self.sysfs_hwmon
+                .set(FAST_PPT_ATTRIBUTE, fast_ppt)
                 .map_err(|e| SettingError {
                     msg: format!(
                         "Failed to write `{}` to `{:?}`: {}",
@@ -267,7 +430,8 @@ impl Gpu {
         // set slow PPT
         if let Some(slow_ppt) = &self.slow_ppt {
             self.state.slow_ppt_set = true;
-            self.sysfs_hwmon.set(SLOW_PPT_ATTRIBUTE, slow_ppt)
+            self.sysfs_hwmon
+                .set(SLOW_PPT_ATTRIBUTE, slow_ppt)
                 .map_err(|e| SettingError {
                     msg: format!(
                         "Failed to write `{}` to `{:?}`: {}",
@@ -280,8 +444,9 @@ impl Gpu {
                 });
         } else if self.state.slow_ppt_set {
             self.state.slow_ppt_set = false;
-            let slow_ppt = self.limits.slow_ppt_default;
-            self.sysfs_hwmon.set(SLOW_PPT_ATTRIBUTE, slow_ppt)
+            let slow_ppt = self.limits.slow_ppt_default.unwrap_or(MIDDLE_PPT);
+            self.sysfs_hwmon
+                .set(SLOW_PPT_ATTRIBUTE, slow_ppt)
                 .map_err(|e| SettingError {
                     msg: format!(
                         "Failed to write `{}` to `{:?}`: {}",
@@ -304,40 +469,78 @@ impl Gpu {
 
     fn clamp_all(&mut self) {
         if let Some(fast_ppt) = &mut self.fast_ppt {
-            *fast_ppt = (*fast_ppt).clamp(self.limits.fast_ppt.min, self.limits.fast_ppt.max);
+            *fast_ppt = (*fast_ppt).clamp(
+                self.limits
+                    .fast_ppt
+                    .and_then(|lim| lim.min)
+                    .unwrap_or(MIN_FAST_PPT),
+                self.limits
+                    .fast_ppt
+                    .and_then(|lim| lim.max)
+                    .unwrap_or(MAX_FAST_PPT),
+            );
         }
         if let Some(slow_ppt) = &mut self.slow_ppt {
-            *slow_ppt = (*slow_ppt).clamp(self.limits.slow_ppt.min, self.limits.slow_ppt.max);
+            *slow_ppt = (*slow_ppt).clamp(
+                self.limits
+                    .slow_ppt
+                    .and_then(|lim| lim.min)
+                    .unwrap_or(MIN_SLOW_PPT),
+                self.limits
+                    .slow_ppt
+                    .and_then(|lim| lim.max)
+                    .unwrap_or(MAX_SLOW_PPT),
+            );
         }
         if let Some(clock_limits) = &mut self.clock_limits {
             if let Some(min) = clock_limits.min {
-                clock_limits.min =
-                    Some(min.clamp(self.limits.clock_min.min, self.limits.clock_min.max));
+                clock_limits.min = Some(
+                    min.clamp(
+                        self.limits
+                            .clock_min
+                            .and_then(|lim| lim.min)
+                            .unwrap_or(MIN_CLOCK),
+                        self.limits
+                            .clock_min
+                            .and_then(|lim| lim.max)
+                            .unwrap_or(MAX_CLOCK),
+                    ),
+                );
             }
             if let Some(max) = clock_limits.max {
-                clock_limits.max =
-                    Some(max.clamp(self.limits.clock_max.min, self.limits.clock_max.max));
+                clock_limits.max = Some(
+                    max.clamp(
+                        self.limits
+                            .clock_max
+                            .and_then(|lim| lim.min)
+                            .unwrap_or(MIN_CLOCK),
+                        self.limits
+                            .clock_max
+                            .and_then(|lim| lim.max)
+                            .unwrap_or(MAX_CLOCK),
+                    ),
+                );
             }
         }
+        if let Some(mem_clock) = self.memory_clock {
+            self.memory_clock = Some(
+                mem_clock.clamp(
+                    self.limits
+                        .memory_clock
+                        .and_then(|lim| lim.min)
+                        .unwrap_or(MIN_MEMORY_CLOCK),
+                    self.limits
+                        .memory_clock
+                        .and_then(|lim| lim.max)
+                        .unwrap_or(MAX_MEMORY_CLOCK),
+                ),
+            );
+        }
     }
 
-    pub fn system_default() -> Self {
-        let (oc_limits, is_default) = OverclockLimits::load_or_default();
-        Self {
-            fast_ppt: None,
-            slow_ppt: None,
-            clock_limits: None,
-            slow_memory: false,
-            limits: oc_limits.gpu,
-            state: crate::state::steam_deck::Gpu::default(),
-            driver_mode: if is_default {
-                crate::persist::DriverJson::SteamDeck
-            } else {
-                crate::persist::DriverJson::SteamDeckAdvance
-            },
-            sysfs_card: Self::find_card_sysfs(None::<&'static str>),
-            sysfs_hwmon: Self::find_hwmon_sysfs(None::<&'static str>),
-        }
+    pub fn variant(mut self, model: super::Model) -> Self {
+        self.variant = model;
+        self
     }
 }
 
@@ -347,9 +550,62 @@ impl Into<GpuJson> for Gpu {
         GpuJson {
             fast_ppt: self.fast_ppt,
             slow_ppt: self.slow_ppt,
+            tdp: None,
+            tdp_boost: None,
             clock_limits: self.clock_limits.map(|x| x.into()),
-            slow_memory: self.slow_memory,
-            root: self.sysfs_card.root().or(self.sysfs_hwmon.root()).and_then(|p| p.as_ref().to_str().map(|r| r.to_owned()))
+            memory_clock: self.memory_clock,
+            root: self
+                .sysfs_card
+                .root()
+                .or(self.sysfs_hwmon.root())
+                .and_then(|p| p.as_ref().to_str().map(|r| r.to_owned())),
+        }
+    }
+}
+
+impl ProviderBuilder<GpuJson, GenericGpuLimit> for Gpu {
+    fn from_json_and_limits(persistent: GpuJson, version: u64, limits: GenericGpuLimit) -> Self {
+        match version {
+            0 => Self {
+                fast_ppt: persistent.fast_ppt,
+                slow_ppt: persistent.slow_ppt,
+                clock_limits: persistent
+                    .clock_limits
+                    .map(|x| min_max_from_json(x, version)),
+                memory_clock: persistent.memory_clock,
+                limits: limits,
+                state: crate::state::steam_deck::Gpu::default(),
+                sysfs_card: Self::find_card_sysfs(persistent.root.clone()),
+                sysfs_hwmon: Self::find_hwmon_sysfs(persistent.root),
+                variant: super::Model::LCD,
+            },
+            _ => Self {
+                fast_ppt: persistent.fast_ppt,
+                slow_ppt: persistent.slow_ppt,
+                clock_limits: persistent
+                    .clock_limits
+                    .map(|x| min_max_from_json(x, version)),
+                memory_clock: persistent.memory_clock,
+                limits: limits,
+                state: crate::state::steam_deck::Gpu::default(),
+                sysfs_card: Self::find_card_sysfs(persistent.root.clone()),
+                sysfs_hwmon: Self::find_hwmon_sysfs(persistent.root),
+                variant: super::Model::LCD,
+            },
+        }
+    }
+
+    fn from_limits(limits: GenericGpuLimit) -> Self {
+        Self {
+            fast_ppt: None,
+            slow_ppt: None,
+            clock_limits: None,
+            memory_clock: None,
+            limits: limits,
+            state: crate::state::steam_deck::Gpu::default(),
+            sysfs_card: Self::find_card_sysfs(None::<&'static str>),
+            sysfs_hwmon: Self::find_hwmon_sysfs(None::<&'static str>),
+            variant: super::Model::LCD,
         }
     }
 }
@@ -371,31 +627,72 @@ impl OnResume for Gpu {
 
 impl crate::settings::OnPowerEvent for Gpu {}
 
+impl crate::settings::OnLoad for Gpu {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Gpu {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_gpu(false);
+        Ok(())
+    }
+}
+
 impl TGpu for Gpu {
     fn limits(&self) -> crate::api::GpuLimits {
+        let max_gpu_clock = self.read_max_gpu_clock();
+        let ppt_divisor = self.limits.ppt_divisor.unwrap_or(PPT_DIVISOR);
         crate::api::GpuLimits {
             fast_ppt_limits: Some(RangeLimit {
-                min: self.limits.fast_ppt.min / self.limits.ppt_divisor,
-                max: self.limits.fast_ppt.max / self.limits.ppt_divisor,
+                min: super::util::range_min_or_fallback(&self.limits.fast_ppt, MIN_FAST_PPT)
+                    / ppt_divisor,
+                max: super::util::range_max_or_fallback(&self.limits.fast_ppt, MAX_FAST_PPT)
+                    / ppt_divisor,
             }),
+            fast_ppt_default: self
+                .limits
+                .fast_ppt_default
+                .or_else(|| self.limits.fast_ppt.and_then(|x| x.max))
+                .unwrap_or(MAX_FAST_PPT)
+                / ppt_divisor,
             slow_ppt_limits: Some(RangeLimit {
-                min: self.limits.slow_ppt.min / self.limits.ppt_divisor,
-                max: self.limits.slow_ppt.max / self.limits.ppt_divisor,
+                min: super::util::range_min_or_fallback(&self.limits.slow_ppt, MIN_SLOW_PPT)
+                    / ppt_divisor,
+                max: super::util::range_max_or_fallback(&self.limits.slow_ppt, MIN_SLOW_PPT)
+                    / ppt_divisor,
             }),
-            ppt_step: self.limits.ppt_step,
+            slow_ppt_default: self
+                .limits
+                .slow_ppt_default
+                .or_else(|| self.limits.slow_ppt.and_then(|x| x.max))
+                .unwrap_or(MAX_SLOW_PPT)
+                / ppt_divisor,
+            ppt_step: self.limits.ppt_step.unwrap_or(1),
             tdp_limits: None,
             tdp_boost_limits: None,
             tdp_step: 42,
             clock_min_limits: Some(RangeLimit {
-                min: self.limits.clock_min.min,
-                max: self.limits.clock_min.max,
+                min: super::util::range_min_or_fallback(&self.limits.clock_min, MIN_CLOCK),
+                max: super::util::range_max_or_fallback(&self.limits.clock_min, max_gpu_clock),
             }),
             clock_max_limits: Some(RangeLimit {
-                min: self.limits.clock_max.min,
-                max: self.limits.clock_max.max,
+                min: super::util::range_min_or_fallback(&self.limits.clock_max, MIN_CLOCK),
+                max: super::util::range_max_or_fallback(&self.limits.clock_max, max_gpu_clock),
             }),
-            clock_step: self.limits.clock_step,
-            memory_control_capable: true,
+            clock_step: self.limits.clock_step.unwrap_or(100),
+            memory_control: Some(RangeLimit {
+                min: super::util::range_min_or_fallback(
+                    &self.limits.memory_clock,
+                    MIN_MEMORY_CLOCK,
+                ),
+                max: super::util::range_max_or_fallback(
+                    &self.limits.memory_clock,
+                    MAX_MEMORY_CLOCK,
+                ),
+            }),
+            memory_step: self.limits.memory_clock_step.unwrap_or(400),
         }
     }
 
@@ -404,14 +701,16 @@ impl TGpu for Gpu {
     }
 
     fn ppt(&mut self, fast: Option<u64>, slow: Option<u64>) {
-        self.fast_ppt = fast.map(|x| x * self.limits.ppt_divisor);
-        self.slow_ppt = slow.map(|x| x * self.limits.ppt_divisor);
+        self.fast_ppt = fast.map(|x| x * self.limits.ppt_divisor.unwrap_or(PPT_DIVISOR));
+        self.slow_ppt = slow.map(|x| x * self.limits.ppt_divisor.unwrap_or(PPT_DIVISOR));
     }
 
     fn get_ppt(&self) -> (Option<u64>, Option<u64>) {
         (
-            self.fast_ppt.map(|x| x / self.limits.ppt_divisor),
-            self.slow_ppt.map(|x| x / self.limits.ppt_divisor),
+            self.fast_ppt
+                .map(|x| x / self.limits.ppt_divisor.unwrap_or(PPT_DIVISOR)),
+            self.slow_ppt
+                .map(|x| x / self.limits.ppt_divisor.unwrap_or(PPT_DIVISOR)),
         )
     }
 
@@ -423,11 +722,51 @@ impl TGpu for Gpu {
         self.clock_limits.as_ref()
     }
 
-    fn slow_memory(&mut self) -> &mut bool {
-        &mut self.slow_memory
+    fn memory_clock(&mut self, speed: Option<u64>) {
+        self.memory_clock = speed;
+    }
+
+    fn get_memory_clock(&self) -> Option<u64> {
+        self.memory_clock
     }
 
     fn provider(&self) -> crate::persist::DriverJson {
-        self.driver_mode.clone()
+        match self.variant {
+            super::Model::LCD => crate::persist::DriverJson::SteamDeck,
+            super::Model::OLED => crate::persist::DriverJson::SteamDeckOLED,
+        }
     }
 }
+
+fn parse_sysfs_clk_selector_str(s: &str) -> Vec<(usize, usize)> {
+    // (value, MHz)
+    let mut result = Vec::new();
+    for line in s.split('\n') {
+        if !line.is_empty() {
+            if let Some((val, freq_mess)) = line.split_once(':') {
+                if let Ok(val) = val.parse::<usize>() {
+                    if let Some((freq, _unit)) =
+                        freq_mess.trim().split_once(|c: char| !c.is_digit(10))
+                    {
+                        if let Ok(freq) = freq.parse::<usize>() {
+                            result.push((val, freq));
+                        }
+                    }
+                }
+            }
+        } else {
+            break;
+        }
+    }
+    result
+}
+
+#[inline]
+fn parse_pp_dpm_fclk(s: &str) -> Vec<(usize, usize)> {
+    parse_sysfs_clk_selector_str(s)
+}
+
+#[inline]
+fn parse_pp_dpm_sclk(s: &str) -> Vec<(usize, usize)> {
+    parse_sysfs_clk_selector_str(s)
+}
diff --git a/backend/src/settings/steam_deck/mod.rs b/backend/src/settings/steam_deck/mod.rs
index 268fa90..c5a64ce 100644
--- a/backend/src/settings/steam_deck/mod.rs
+++ b/backend/src/settings/steam_deck/mod.rs
@@ -1,13 +1,36 @@
 mod battery;
 mod cpu;
 mod gpu;
-mod oc_limits;
 mod power_dpm_force;
 mod util;
 
 pub use battery::Battery;
-pub use cpu::{Cpu, Cpus};
+pub use cpu::Cpus;
 pub use gpu::Gpu;
-pub(self) use power_dpm_force::{POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT, DPM_FORCE_LIMITS_ATTRIBUTE};
+pub(self) use power_dpm_force::{
+    DPM_FORCE_LIMITS_ATTRIBUTE, POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT,
+};
+
+#[derive(Debug, Clone, Copy)]
+pub enum Model {
+    LCD,
+    OLED,
+}
 
 pub use util::flash_led;
+
+fn _impl_checker() {
+    fn impl_provider_builder<T: crate::settings::ProviderBuilder<J, L>, J, L>() {}
+
+    impl_provider_builder::<
+        Battery,
+        crate::persist::BatteryJson,
+        limits_core::json_v2::GenericBatteryLimit,
+    >();
+    impl_provider_builder::<
+        Cpus,
+        Vec<crate::persist::CpuJson>,
+        limits_core::json_v2::GenericCpusLimit,
+    >();
+    impl_provider_builder::<Gpu, crate::persist::GpuJson, limits_core::json_v2::GenericGpuLimit>();
+}
diff --git a/backend/src/settings/steam_deck/oc_limits.rs b/backend/src/settings/steam_deck/oc_limits.rs
deleted file mode 100644
index f229a0c..0000000
--- a/backend/src/settings/steam_deck/oc_limits.rs
+++ /dev/null
@@ -1,190 +0,0 @@
-use crate::api::RangeLimit as MinMax;
-use serde::{Deserialize, Serialize};
-
-const OC_LIMITS_FILEPATH: &str = "pt_oc.json";
-
-#[derive(Serialize, Deserialize, Debug)]
-pub(super) struct OverclockLimits {
-    pub battery: BatteryLimits,
-    pub cpus: CpusLimits,
-    pub gpu: GpuLimits,
-}
-
-impl Default for OverclockLimits {
-    fn default() -> Self {
-        Self {
-            battery: BatteryLimits::default(),
-            cpus: CpusLimits::default(),
-            gpu: GpuLimits::default(),
-        }
-    }
-}
-
-impl OverclockLimits {
-    /// (Self, is_default)
-    pub fn load_or_default() -> (Self, bool) {
-        let path = oc_limits_filepath();
-        if path.exists() {
-            log::info!("Steam Deck limits file {} found", path.display());
-            let mut file = match std::fs::File::open(&path) {
-                Ok(f) => f,
-                Err(e) => {
-                    log::warn!(
-                        "Steam Deck limits file {} err: {} (using default fallback)",
-                        path.display(),
-                        e
-                    );
-                    return (Self::default(), true);
-                }
-            };
-            match serde_json::from_reader(&mut file) {
-                Ok(result) => {
-                    log::debug!(
-                        "Steam Deck limits file {} successfully loaded",
-                        path.display()
-                    );
-                    (result, false)
-                }
-                Err(e) => {
-                    log::warn!(
-                        "Steam Deck limits file {} json err: {} (using default fallback)",
-                        path.display(),
-                        e
-                    );
-                    (Self::default(), true)
-                }
-            }
-        } else {
-            log::info!(
-                "Steam Deck limits file {} not found (using default fallback)",
-                path.display()
-            );
-            (Self::default(), true)
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub(super) struct BatteryLimits {
-    pub charge_rate: MinMax<u64>,
-    pub extra_readouts: bool,
-}
-
-impl Default for BatteryLimits {
-    fn default() -> Self {
-        Self {
-            charge_rate: MinMax {
-                min: 250,
-                max: 2500,
-            },
-            extra_readouts: false,
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub(super) struct CpusLimits {
-    pub cpus: Vec<CpuLimits>,
-    pub global_governors: bool,
-}
-
-impl Default for CpusLimits {
-    fn default() -> Self {
-        Self {
-            cpus: [(); 8].iter().map(|_| CpuLimits::default()).collect(),
-            global_governors: true,
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub(super) struct CpuLimits {
-    pub clock_min: MinMax<u64>,
-    pub clock_max: MinMax<u64>,
-    pub clock_step: u64,
-    pub skip_resume_reclock: bool,
-}
-
-impl Default for CpuLimits {
-    fn default() -> Self {
-        Self {
-            clock_min: MinMax {
-                min: 1400,
-                max: 3500,
-            },
-            clock_max: MinMax {
-                min: 400,
-                max: 3500,
-            },
-            clock_step: 100,
-            skip_resume_reclock: false,
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub(super) struct GpuLimits {
-    pub fast_ppt: MinMax<u64>,
-    pub fast_ppt_default: u64,
-    pub slow_ppt: MinMax<u64>,
-    pub slow_ppt_default: u64,
-    pub ppt_divisor: u64,
-    pub ppt_step: u64,
-    pub clock_min: MinMax<u64>,
-    pub clock_max: MinMax<u64>,
-    pub clock_step: u64,
-    pub skip_resume_reclock: bool,
-}
-
-impl Default for GpuLimits {
-    fn default() -> Self {
-        Self {
-            fast_ppt: MinMax {
-                min: 1000000,
-                max: 30_000_000,
-            },
-            fast_ppt_default: 15_000_000,
-            slow_ppt: MinMax {
-                min: 1000000,
-                max: 29_000_000,
-            },
-            slow_ppt_default: 15_000_000,
-            ppt_divisor: 1_000_000,
-            ppt_step: 1,
-            clock_min: MinMax {
-                min: 400,
-                max: 1600,
-            },
-            clock_max: MinMax {
-                min: 400,
-                max: 1600,
-            },
-            clock_step: 100,
-            skip_resume_reclock: false,
-        }
-    }
-}
-
-fn oc_limits_filepath() -> std::path::PathBuf {
-    crate::utility::settings_dir().join(OC_LIMITS_FILEPATH)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[cfg(not(feature = "dev_stuff"))] // this can fail due to reading from incompletely-written file otherwise
-    #[test]
-    fn load_pt_oc() {
-        let mut file = std::fs::File::open("../pt_oc.json").unwrap();
-        let settings: OverclockLimits = serde_json::from_reader(&mut file).unwrap();
-        assert!(settings.cpus.cpus.len() == 8);
-    }
-
-    #[cfg(feature = "dev_stuff")]
-    #[test]
-    fn emit_default_pt_oc() {
-        let mut file = std::fs::File::create("../pt_oc.json").unwrap();
-        serde_json::to_writer_pretty(&mut file, &OverclockLimits::default()).unwrap();
-    }
-}
diff --git a/backend/src/settings/steam_deck/power_dpm_force.rs b/backend/src/settings/steam_deck/power_dpm_force.rs
index 72404cc..039026a 100644
--- a/backend/src/settings/steam_deck/power_dpm_force.rs
+++ b/backend/src/settings/steam_deck/power_dpm_force.rs
@@ -5,7 +5,7 @@
 
 use std::sync::atomic::{AtomicU64, Ordering};
 
-use sysfuss::{BasicEntityPath, SysEntityAttributesExt, SysAttribute};
+use sysfuss::{BasicEntityPath, SysAttribute, SysEntityAttributesExt};
 
 use crate::settings::SettingError;
 
@@ -63,7 +63,8 @@ impl PDFPLManager {
         let needs = self.needs_manual();
         let mut errors = Vec::new();
         let path = DPM_FORCE_LIMITS_ATTRIBUTE.path(entity);
-        let mode: String = entity.attribute(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned())
+        let mode: String = entity
+            .attribute(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned())
             .map_err(|e| {
                 vec![SettingError {
                     msg: format!("Failed to read `{}`: {}", path.display(), e),
@@ -73,7 +74,8 @@ impl PDFPLManager {
         if mode != "manual" && needs {
             log::info!("Setting `{}` to manual", path.display());
             // set manual control
-            entity.set(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned(), "manual")
+            entity
+                .set(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned(), "manual")
                 .map_err(|e| {
                     errors.push(SettingError {
                         msg: format!("Failed to write `manual` to `{}`: {}", path.display(), e),
@@ -84,7 +86,8 @@ impl PDFPLManager {
         } else if mode != "auto" && !needs {
             log::info!("Setting `{}` to auto", path.display());
             // unset manual control
-            entity.set(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned(), "auto")
+            entity
+                .set(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned(), "auto")
                 .map_err(|e| {
                     errors.push(SettingError {
                         msg: format!("Failed to write `auto` to `{}`: {}", path.display(), e),
@@ -93,10 +96,13 @@ impl PDFPLManager {
                 })
                 .unwrap_or(());
         }
-        if let Ok(mode_now) =
-            entity.attribute::<String, _>(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned())
-        {
-            log::debug!("Mode for `{}` is now `{}`", path.display(), mode_now);
+        if let Ok(mode_now) = entity.attribute::<String, _>(DPM_FORCE_LIMITS_ATTRIBUTE.to_owned()) {
+            log::debug!(
+                "Mode for `{}` is now `{}` ({:#b})",
+                path.display(),
+                mode_now,
+                self.get()
+            );
         } else {
             log::debug!("Error getting new mode for debugging purposes");
         }
diff --git a/backend/src/settings/steam_deck/util.rs b/backend/src/settings/steam_deck/util.rs
index 52eb3e9..88d940c 100644
--- a/backend/src/settings/steam_deck/util.rs
+++ b/backend/src/settings/steam_deck/util.rs
@@ -1,79 +1,29 @@
-//! Rough Rust port of some BatCtrl functionality
-//! Original: /usr/share/jupiter_controller_fw_updater/RA_bootloader_updater/linux_host_tools/BatCtrl
-//! I do not have access to the source code, so this is my own interpretation of what it does.
-//!
-//! But also Quanta is based in a place with some questionable copyright practices, so...
 #![allow(dead_code)]
 
-use std::fs::OpenOptions;
-use std::io::{Error, Read, Seek, SeekFrom, Write};
-
 pub const JUPITER_HWMON_NAME: &'static str = "jupiter";
 pub const STEAMDECK_HWMON_NAME: &'static str = "steamdeck_hwmon";
 pub const GPU_HWMON_NAME: &'static str = "amdgpu";
 
+pub fn range_min_or_fallback<I: Copy>(
+    range: &Option<limits_core::json_v2::RangeLimit<I>>,
+    fallback: I,
+) -> I {
+    range.and_then(|lim| lim.min).unwrap_or(fallback)
+}
+
+pub fn range_max_or_fallback<I: Copy>(
+    range: &Option<limits_core::json_v2::RangeLimit<I>>,
+    fallback: I,
+) -> I {
+    range.and_then(|lim| lim.max).unwrap_or(fallback)
+}
+
 pub fn card_also_has(card: &dyn sysfuss::SysEntity, extensions: &'static [&'static str]) -> bool {
-    extensions.iter()
+    extensions
+        .iter()
         .all(|ext| card.as_ref().join(ext).exists())
 }
 
-#[inline]
-fn write2(p0: u8, p1: u8) -> Result<usize, Error> {
-    write_to(0x6c, 0x81)?;
-    wait_ready_for_write()?;
-    let count0 = write_to(0x68, p0)?;
-    wait_ready_for_write()?;
-    let count1 = write_to(0x68, p1)?;
-    Ok(count0 + count1)
-}
-
-fn write_read(p0: u8) -> Result<u8, Error> {
-    write_to(0x6c, 0x81)?;
-    wait_ready_for_write()?;
-    write_to(0x68, p0)?;
-    wait_ready_for_read()?;
-    read_from(0x68)
-}
-
-fn write_to(location: u64, value: u8) -> Result<usize, Error> {
-    let mut file = OpenOptions::new().write(true).open("/dev/port")?;
-    file.seek(SeekFrom::Start(location))?;
-    file.write(&[value])
-}
-
-fn read_from(location: u64) -> Result<u8, Error> {
-    let mut file = OpenOptions::new().read(true).open("/dev/port")?;
-    file.seek(SeekFrom::Start(location))?;
-    let mut buffer = [0];
-    file.read(&mut buffer)?;
-    Ok(buffer[0])
-}
-
-fn wait_ready_for_write() -> Result<(), Error> {
-    let mut count = 0;
-    while count < 0x1ffff && (read_from(0x6c)? & 2) != 0 {
-        count += 1;
-    }
-    Ok(())
-}
-
-fn wait_ready_for_read() -> Result<(), Error> {
-    let mut count = 0;
-    while count < 0x1ffff && (read_from(0x6c)? & 1) == 0 {
-        count += 1;
-    }
-    Ok(())
-}
-
-pub fn set_led(red_unused: bool, green_aka_white: bool, blue_unused: bool) -> Result<usize, Error> {
-    let payload: u8 = 0x80
-        | (red_unused as u8 & 1)
-        | ((green_aka_white as u8 & 1) << 1)
-        | ((blue_unused as u8 & 1) << 2);
-    //log::info!("Payload: {:b}", payload);
-    write2(Setting::LEDStatus as _, payload)
-}
-
 const THINGS: &[u8] = &[
     1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0,
     0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1,
@@ -84,55 +34,22 @@ const THINGS: &[u8] = &[
 const TIME_UNIT: std::time::Duration = std::time::Duration::from_millis(200);
 
 pub fn flash_led() {
-    let old_led_state = write_read(Setting::LEDStatus as _)
-        .map_err(|e| log::error!("Failed to read LED status: {}", e));
+    use smokepatio::ec::ControllerSet;
+    let mut ec = smokepatio::ec::unnamed_power::UnnamedPowerEC::new();
     for &code in THINGS {
         let on = code != 0;
-        if let Err(e) = set_led(on, on, false) {
+        let colour = if on {
+            smokepatio::ec::unnamed_power::StaticColour::Red
+        } else {
+            smokepatio::ec::unnamed_power::StaticColour::Off
+        };
+        if let Err(e) = ec.set(colour) {
             log::error!("Thing err: {}", e);
         }
         std::thread::sleep(TIME_UNIT);
     }
-    if let Ok(old_led_state) = old_led_state {
-        log::debug!("Restoring LED state to {:#02b}", old_led_state);
-        write2(Setting::LEDStatus as _, old_led_state)
-            .map_err(|e| log::error!("Failed to restore LED status: {}", e))
-            .unwrap();
-    }
-}
-
-pub fn set(setting: Setting, mode: u8) -> Result<usize, Error> {
-    write2(setting as u8, mode)
-}
-
-#[derive(Copy, Clone)]
-#[repr(u8)]
-pub enum Setting {
-    CycleCount = 0x32,
-    ControlBoard = 0x6C,
-    Charge = 0xA6,
-    ChargeMode = 0x76,
-    LEDStatus = 199,
-}
-
-#[derive(Copy, Clone, Debug)]
-#[repr(u8)]
-pub enum ControlBoard {
-    Enable = 0xAA,
-    Disable = 0xAB,
-}
-
-#[derive(Copy, Clone, Debug)]
-#[repr(u8)]
-pub enum ChargeMode {
-    Normal = 0,
-    Discharge = 0x42,
-    Idle = 0x45,
-}
-
-#[derive(Copy, Clone)]
-#[repr(u8)]
-pub enum Charge {
-    Enable = 0,
-    Disable = 4,
+    log::debug!("Restoring LED state");
+    ec.set(smokepatio::ec::unnamed_power::StaticColour::Off)
+        .map_err(|e| log::error!("Failed to restore LED status: {}", e))
+        .unwrap();
 }
diff --git a/backend/src/settings/traits.rs b/backend/src/settings/traits.rs
index 4e96882..468f676 100644
--- a/backend/src/settings/traits.rs
+++ b/backend/src/settings/traits.rs
@@ -10,6 +10,14 @@ pub trait OnResume {
     fn on_resume(&self) -> Result<(), Vec<SettingError>>;
 }
 
+pub trait OnLoad {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>>;
+}
+
+pub trait OnUnload {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>>;
+}
+
 #[repr(u8)]
 #[derive(Clone, Copy, Debug)]
 pub enum PowerMode {
@@ -40,7 +48,13 @@ pub trait OnPowerEvent {
     }
 }
 
-pub trait TGpu: OnSet + OnResume + OnPowerEvent + Debug + Send {
+pub trait ProviderBuilder<J, L> {
+    fn from_json_and_limits(persistent: J, version: u64, limits: L) -> Self;
+
+    fn from_limits(limits: L) -> Self;
+}
+
+pub trait TGpu: OnSet + OnResume + OnPowerEvent + OnLoad + OnUnload + Debug + Send {
     fn limits(&self) -> crate::api::GpuLimits;
 
     fn json(&self) -> crate::persist::GpuJson;
@@ -53,14 +67,16 @@ pub trait TGpu: OnSet + OnResume + OnPowerEvent + Debug + Send {
 
     fn get_clock_limits(&self) -> Option<&MinMax<u64>>;
 
-    fn slow_memory(&mut self) -> &mut bool;
+    fn memory_clock(&mut self, speed: Option<u64>);
+
+    fn get_memory_clock(&self) -> Option<u64>;
 
     fn provider(&self) -> crate::persist::DriverJson {
         crate::persist::DriverJson::AutoDetect
     }
 }
 
-pub trait TCpus: OnSet + OnResume + OnPowerEvent + Debug + Send {
+pub trait TCpus: OnSet + OnResume + OnPowerEvent + OnLoad + OnUnload + Debug + Send {
     fn limits(&self) -> crate::api::CpusLimits;
 
     fn json(&self) -> Vec<crate::persist::CpuJson>;
@@ -88,7 +104,7 @@ pub trait TCpu: Debug + Send {
     fn get_clock_limits(&self) -> Option<&MinMax<u64>>;
 }
 
-pub trait TGeneral: OnSet + OnResume + OnPowerEvent + Debug + Send {
+pub trait TGeneral: OnSet + OnResume + OnPowerEvent + OnLoad + OnUnload + Debug + Send {
     fn limits(&self) -> crate::api::GeneralLimits;
 
     fn get_persistent(&self) -> bool;
@@ -99,16 +115,35 @@ pub trait TGeneral: OnSet + OnResume + OnPowerEvent + Debug + Send {
 
     fn path(&mut self, path: std::path::PathBuf);
 
+    fn app_id(&mut self) -> &'_ mut u64;
+
+    fn get_app_id(&self) -> u64;
+
     fn get_name(&self) -> &'_ str;
 
     fn name(&mut self, name: String);
 
+    fn variant_id(&mut self, id: u64);
+
+    fn variant_name(&mut self, name: String);
+
+    fn get_variant_id(&self) -> u64;
+
+    fn get_variants(&self) -> Vec<crate::api::VariantInfo>;
+
+    fn get_variant_info(&self) -> crate::api::VariantInfo;
+
+    fn add_variant(
+        &self,
+        variant: crate::persist::SettingsJson,
+    ) -> Result<Vec<crate::api::VariantInfo>, SettingError>;
+
     fn provider(&self) -> crate::persist::DriverJson;
 
-    fn on_event(&self) -> &'_ crate::persist::OnEventJson;
+    fn tags(&self) -> &'_ [String];
 }
 
-pub trait TBattery: OnSet + OnResume + OnPowerEvent + Debug + Send {
+pub trait TBattery: OnSet + OnResume + OnPowerEvent + OnLoad + OnUnload + Debug + Send {
     fn limits(&self) -> crate::api::BatteryLimits;
 
     fn json(&self) -> crate::persist::BatteryJson;
diff --git a/backend/src/settings/unknown/battery.rs b/backend/src/settings/unknown/battery.rs
index ab76959..ed2cdda 100644
--- a/backend/src/settings/unknown/battery.rs
+++ b/backend/src/settings/unknown/battery.rs
@@ -1,12 +1,21 @@
 use std::convert::Into;
 
+use limits_core::json_v2::GenericBatteryLimit;
+
 use crate::persist::BatteryJson;
-use crate::settings::TBattery;
 use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TBattery};
 
 #[derive(Debug, Clone)]
 pub struct Battery;
 
+impl Battery {
+    #[inline]
+    fn system_default() -> Self {
+        Battery
+    }
+}
+
 impl Into<BatteryJson> for Battery {
     #[inline]
     fn into(self) -> BatteryJson {
@@ -19,6 +28,20 @@ impl Into<BatteryJson> for Battery {
     }
 }
 
+impl ProviderBuilder<BatteryJson, GenericBatteryLimit> for Battery {
+    fn from_json_and_limits(
+        _persistent: BatteryJson,
+        _version: u64,
+        _limits: GenericBatteryLimit,
+    ) -> Self {
+        Battery::system_default()
+    }
+
+    fn from_limits(_limits: GenericBatteryLimit) -> Self {
+        Battery::system_default()
+    }
+}
+
 impl OnSet for Battery {
     fn on_set(&mut self) -> Result<(), Vec<SettingError>> {
         Ok(())
@@ -33,6 +56,18 @@ impl OnResume for Battery {
 
 impl crate::settings::OnPowerEvent for Battery {}
 
+impl crate::settings::OnLoad for Battery {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Battery {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl TBattery for Battery {
     fn limits(&self) -> crate::api::BatteryLimits {
         crate::api::BatteryLimits {
diff --git a/backend/src/settings/unknown/cpu.rs b/backend/src/settings/unknown/cpu.rs
index c3985cf..7c1ebd9 100644
--- a/backend/src/settings/unknown/cpu.rs
+++ b/backend/src/settings/unknown/cpu.rs
@@ -1,9 +1,11 @@
 use std::convert::Into;
 
+use limits_core::json_v2::GenericCpusLimit;
+
 use crate::persist::CpuJson;
 use crate::settings::MinMax;
 use crate::settings::{OnResume, OnSet, SettingError};
-use crate::settings::{TCpu, TCpus};
+use crate::settings::{ProviderBuilder, TCpu, TCpus};
 
 const CPU_PRESENT_PATH: &str = "/sys/devices/system/cpu/present";
 const CPU_SMT_PATH: &str = "/sys/devices/system/cpu/smt/control";
@@ -69,6 +71,18 @@ impl OnResume for Cpus {
 
 impl crate::settings::OnPowerEvent for Cpus {}
 
+impl crate::settings::OnLoad for Cpus {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Cpus {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl Cpus {
     pub fn cpu_count() -> Option<usize> {
         let mut data: String = usdpl_back::api::files::read_single(CPU_PRESENT_PATH)
@@ -111,7 +125,7 @@ impl Cpus {
         }
     }
 
-    #[inline]
+    /*#[inline]
     pub fn from_json(mut other: Vec<CpuJson>, version: u64) -> Self {
         let (_, can_smt) = Self::system_smt_capabilities();
         let mut result = Vec::with_capacity(other.len());
@@ -140,6 +154,46 @@ impl Cpus {
             smt: smt_guess,
             smt_capable: can_smt,
         }
+    }*/
+}
+
+impl ProviderBuilder<Vec<CpuJson>, GenericCpusLimit> for Cpus {
+    fn from_json_and_limits(
+        mut persistent: Vec<CpuJson>,
+        version: u64,
+        _limits: GenericCpusLimit,
+    ) -> Self {
+        let (_, can_smt) = Self::system_smt_capabilities();
+        let mut result = Vec::with_capacity(persistent.len());
+        let max_cpus = Self::cpu_count();
+        let smt_guess = crate::settings::util::guess_smt(&persistent) && can_smt;
+        for (i, cpu) in persistent.drain(..).enumerate() {
+            // prevent having more CPUs than available
+            if let Some(max_cpus) = max_cpus {
+                if i == max_cpus {
+                    break;
+                }
+            }
+            let new_cpu = Cpu::from_json(cpu, version, i);
+            result.push(new_cpu);
+        }
+        if let Some(max_cpus) = max_cpus {
+            if result.len() != max_cpus {
+                let mut sys_cpus = Cpus::system_default();
+                for i in result.len()..sys_cpus.cpus.len() {
+                    result.push(sys_cpus.cpus.remove(i));
+                }
+            }
+        }
+        Self {
+            cpus: result,
+            smt: smt_guess,
+            smt_capable: can_smt,
+        }
+    }
+
+    fn from_limits(_limits: GenericCpusLimit) -> Self {
+        Self::system_default()
     }
 }
 
@@ -153,7 +207,7 @@ impl TCpus for Cpus {
         }
     }
 
-    fn json(&self) -> Vec<crate::persist::CpuJson> {
+    fn json(&self) -> Vec<CpuJson> {
         self.cpus.iter().map(|x| x.to_owned().into()).collect()
     }
 
@@ -246,7 +300,7 @@ impl Cpu {
                 .unwrap_or("schedutil".to_owned()),
             index: cpu_index,
             state: crate::state::steam_deck::Cpu::default(),
-            root: "/".into()
+            root: "/".into(),
         }
     }
 
diff --git a/backend/src/settings/unknown/gpu.rs b/backend/src/settings/unknown/gpu.rs
index 0b4b73e..90c1279 100644
--- a/backend/src/settings/unknown/gpu.rs
+++ b/backend/src/settings/unknown/gpu.rs
@@ -1,23 +1,28 @@
 use std::convert::Into;
 
+use limits_core::json_v2::GenericGpuLimit;
+
 use crate::persist::GpuJson;
 use crate::settings::MinMax;
-use crate::settings::TGpu;
 use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{ProviderBuilder, TGpu};
 
 #[derive(Debug, Clone)]
-pub struct Gpu {
-    slow_memory: bool, // ignored
-}
+pub struct Gpu {}
 
 impl Gpu {
-    #[inline]
-    pub fn from_json(_other: GpuJson, _version: u64) -> Self {
-        Self { slow_memory: false }
+    pub fn system_default() -> Self {
+        Self {}
+    }
+}
+
+impl ProviderBuilder<GpuJson, GenericGpuLimit> for Gpu {
+    fn from_json_and_limits(_persistent: GpuJson, _version: u64, _limits: GenericGpuLimit) -> Self {
+        Self::system_default()
     }
 
-    pub fn system_default() -> Self {
-        Self { slow_memory: false }
+    fn from_limits(_limits: GenericGpuLimit) -> Self {
+        Self::system_default()
     }
 }
 
@@ -27,8 +32,10 @@ impl Into<GpuJson> for Gpu {
         GpuJson {
             fast_ppt: None,
             slow_ppt: None,
+            tdp: None,
+            tdp_boost: None,
             clock_limits: None,
-            slow_memory: false,
+            memory_clock: None,
             root: None,
         }
     }
@@ -48,11 +55,25 @@ impl OnResume for Gpu {
 
 impl crate::settings::OnPowerEvent for Gpu {}
 
+impl crate::settings::OnLoad for Gpu {
+    fn on_load(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
+impl crate::settings::OnUnload for Gpu {
+    fn on_unload(&mut self) -> Result<(), Vec<SettingError>> {
+        Ok(())
+    }
+}
+
 impl TGpu for Gpu {
     fn limits(&self) -> crate::api::GpuLimits {
         crate::api::GpuLimits {
             fast_ppt_limits: None,
+            fast_ppt_default: 1_000_000,
             slow_ppt_limits: None,
+            slow_ppt_default: 1_000_000,
             ppt_step: 1_000_000,
             tdp_limits: None,
             tdp_boost_limits: None,
@@ -60,7 +81,8 @@ impl TGpu for Gpu {
             clock_min_limits: None,
             clock_max_limits: None,
             clock_step: 100,
-            memory_control_capable: false,
+            memory_control: None,
+            memory_step: 400,
         }
     }
 
@@ -80,8 +102,10 @@ impl TGpu for Gpu {
         None
     }
 
-    fn slow_memory(&mut self) -> &mut bool {
-        &mut self.slow_memory
+    fn memory_clock(&mut self, _speed: Option<u64>) {}
+
+    fn get_memory_clock(&self) -> Option<u64> {
+        None
     }
 
     fn provider(&self) -> crate::persist::DriverJson {
diff --git a/backend/src/settings/unknown/mod.rs b/backend/src/settings/unknown/mod.rs
index 2039cae..58b6ac1 100644
--- a/backend/src/settings/unknown/mod.rs
+++ b/backend/src/settings/unknown/mod.rs
@@ -3,5 +3,21 @@ mod cpu;
 mod gpu;
 
 pub use battery::Battery;
-pub use cpu::{Cpu, Cpus};
+pub use cpu::Cpus;
 pub use gpu::Gpu;
+
+fn _impl_checker() {
+    fn impl_provider_builder<T: crate::settings::ProviderBuilder<J, L>, J, L>() {}
+
+    impl_provider_builder::<
+        Battery,
+        crate::persist::BatteryJson,
+        limits_core::json_v2::GenericBatteryLimit,
+    >();
+    impl_provider_builder::<
+        Cpus,
+        Vec<crate::persist::CpuJson>,
+        limits_core::json_v2::GenericCpusLimit,
+    >();
+    impl_provider_builder::<Gpu, crate::persist::GpuJson, limits_core::json_v2::GenericGpuLimit>();
+}
diff --git a/backend/src/settings/util.rs b/backend/src/settings/util.rs
index 47b98c5..8cda62b 100644
--- a/backend/src/settings/util.rs
+++ b/backend/src/settings/util.rs
@@ -18,10 +18,7 @@ pub fn always_satisfied<'a, X>(_: &'a X) -> bool {
     true
 }
 
-pub const CARD_NEEDS: &[&'static str] = &[
-    "dev",
-    "uevent"
-];
+pub const CARD_NEEDS: &[&'static str] = &["dev", "uevent"];
 
 #[cfg(test)]
 mod test {
@@ -58,6 +55,7 @@ mod test {
 
     fn cpu_with_online(status: bool) -> CpuJson {
         CpuJson {
+            root: None,
             online: status,
             clock_limits: None,
             governor: "schedutil".to_owned(),
diff --git a/backend/src/state/mod.rs b/backend/src/state/mod.rs
index 570de60..cd8d3bc 100644
--- a/backend/src/state/mod.rs
+++ b/backend/src/state/mod.rs
@@ -1,8 +1,8 @@
-mod error;
-mod traits;
+//mod error;
+//mod traits;
 
 pub mod generic;
 pub mod steam_deck;
 
-pub use error::StateError;
-pub use traits::OnPoll;
+//pub use error::StateError;
+//pub use traits::OnPoll;
diff --git a/backend/src/state/steam_deck/battery.rs b/backend/src/state/steam_deck/battery.rs
index 3c66e36..19ce82f 100644
--- a/backend/src/state/steam_deck/battery.rs
+++ b/backend/src/state/steam_deck/battery.rs
@@ -3,6 +3,7 @@ pub struct Battery {
     pub charge_rate_set: bool,
     pub charge_mode_set: bool,
     pub charger_state: ChargeState,
+    pub charge_limit_set: bool,
 }
 
 impl std::default::Default for Battery {
@@ -11,6 +12,7 @@ impl std::default::Default for Battery {
             charge_rate_set: true,
             charge_mode_set: true,
             charger_state: ChargeState::Unknown,
+            charge_limit_set: true,
         }
     }
 }
diff --git a/backend/src/utility.rs b/backend/src/utility.rs
index 742cd32..3814211 100644
--- a/backend/src/utility.rs
+++ b/backend/src/utility.rs
@@ -1,18 +1,10 @@
-use std::fmt::Display;
 //use std::sync::{LockResult, MutexGuard};
 //use std::fs::{Permissions, metadata};
 use std::io::{Read, Write};
 use std::os::unix::fs::PermissionsExt;
 
-pub fn unwrap_maybe_fatal<T: Sized, E: Display>(result: Result<T, E>, message: &str) -> T {
-    match result {
-        Ok(x) => x,
-        Err(e) => {
-            log::error!("{}: {}", message, e);
-            panic!("{}: {}", message, e);
-        }
-    }
-}
+use serde::{Deserialize, Serialize};
+use chrono::{offset::Utc, DateTime};
 
 /*pub fn unwrap_lock<'a, T: Sized>(
     result: LockResult<MutexGuard<'a, T>>,
@@ -27,12 +19,37 @@ pub fn unwrap_maybe_fatal<T: Sized, E: Display>(result: Result<T, E>, message: &
     }
 }*/
 
-pub fn settings_dir() -> std::path::PathBuf {
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct CachedData<T> {
+    pub data: T,
+    pub updated: DateTime<Utc>,
+}
+
+impl <T> CachedData<T> {
+    pub fn needs_update(&self, max_age: std::time::Duration) -> bool {
+        self.updated < (Utc::now() - max_age)
+    }
+}
+
+pub fn ron_pretty_config() -> ron::ser::PrettyConfig {
+    ron::ser::PrettyConfig::default()
+        .struct_names(true)
+        .compact_arrays(true)
+}
+
+#[allow(dead_code)]
+pub fn settings_dir_old() -> std::path::PathBuf {
     usdpl_back::api::dirs::home()
         .unwrap_or_else(|| "/tmp/".into())
         .join(".config/powertools/")
 }
 
+pub fn settings_dir() -> std::path::PathBuf {
+    usdpl_back::api::decky::settings_dir()
+        .unwrap_or_else(|_| "/tmp/".to_owned())
+        .into()
+}
+
 pub fn chown_settings_dir() -> std::io::Result<()> {
     let dir = settings_dir();
     #[cfg(feature = "decky")]
@@ -101,3 +118,84 @@ pub fn read_version_file() -> String {
         }
     }
 }
+
+pub fn ioperm_power_ec() {
+    #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+    unsafe {
+        let temp_ec = smokepatio::ec::unnamed_power::UnnamedPowerEC::new();
+        libc::ioperm(temp_ec.ec().data() as _, 1, 1);
+        libc::ioperm(temp_ec.ec().cmd() as _, 1, 1);
+    }
+}
+
+#[cfg(test)]
+mod generate {
+    #[test]
+    fn generate_default_limits_override() {
+        let limits = limits_core::json_v2::Limits {
+            cpu: limits_core::json_v2::Limit {
+                provider: limits_core::json_v2::CpuLimitType::SteamDeck,
+                limits: limits_core::json_v2::GenericCpusLimit::default_for(
+                    limits_core::json_v2::CpuLimitType::SteamDeck,
+                ),
+            },
+            gpu: limits_core::json_v2::Limit {
+                provider: limits_core::json_v2::GpuLimitType::SteamDeck,
+                limits: limits_core::json_v2::GenericGpuLimit::default_for(
+                    limits_core::json_v2::GpuLimitType::SteamDeck,
+                ),
+            },
+            battery: limits_core::json_v2::Limit {
+                provider: limits_core::json_v2::BatteryLimitType::SteamDeck,
+                limits: limits_core::json_v2::GenericBatteryLimit::default_for(
+                    limits_core::json_v2::BatteryLimitType::SteamDeck,
+                ),
+            },
+        };
+        let output_file =
+            std::fs::File::create(format!("../{}", crate::consts::LIMITS_OVERRIDE_FILE)).unwrap();
+        ron::ser::to_writer_pretty(output_file, &limits, crate::utility::ron_pretty_config())
+            .unwrap();
+    }
+
+    #[test]
+    fn generate_default_minimal_save_file() {
+        let mut mini_variants = std::collections::HashMap::with_capacity(2);
+        mini_variants.insert(
+            0,
+            crate::persist::SettingsJson {
+                version: 0,
+                name: crate::consts::DEFAULT_SETTINGS_VARIANT_NAME.to_owned(),
+                variant: 0,
+                persistent: false,
+                cpus: vec![crate::persist::CpuJson::default(); 8],
+                gpu: crate::persist::GpuJson::default(),
+                battery: crate::persist::BatteryJson::default(),
+                provider: None,
+            },
+        );
+        mini_variants.insert(
+            42,
+            crate::persist::SettingsJson {
+                version: 0,
+                name: "FortySecondary".to_owned(),
+                variant: 42,
+                persistent: false,
+                cpus: vec![crate::persist::CpuJson::default(); 8],
+                gpu: crate::persist::GpuJson::default(),
+                battery: crate::persist::BatteryJson::default(),
+                provider: None,
+            },
+        );
+        let savefile = crate::persist::FileJson {
+            version: 0,
+            app_id: 0,
+            name: crate::consts::DEFAULT_SETTINGS_NAME.to_owned(),
+            variants: mini_variants,
+        };
+        let output_file =
+            std::fs::File::create(format!("../{}", crate::consts::DEFAULT_SETTINGS_FILE)).unwrap();
+        ron::ser::to_writer_pretty(output_file, &savefile, crate::utility::ron_pretty_config())
+            .unwrap();
+    }
+}
diff --git a/default_settings.ron b/default_settings.ron
new file mode 100644
index 0000000..b0a7583
--- /dev/null
+++ b/default_settings.ron
@@ -0,0 +1,113 @@
+FileJson(
+    version: 0,
+    name: "Main",
+    app_id: 0,
+    variants: {
+        42: SettingsJson(
+            version: 0,
+            name: "FortySecondary",
+            variant: 42,
+            persistent: false,
+            cpus: [CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            )],
+            gpu: GpuJson(
+                fast_ppt: None,
+                slow_ppt: None,
+                tdp: None,
+                tdp_boost: None,
+                clock_limits: None,
+                memory_clock: None,
+            ),
+            battery: BatteryJson(
+                charge_rate: None,
+                charge_mode: None,
+                events: [],
+),
+            provider: None,
+        ),
+        0: SettingsJson(
+            version: 0,
+            name: "Primary",
+            variant: 0,
+            persistent: false,
+            cpus: [CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            ), CpuJson(
+                online: true,
+                clock_limits: None,
+                governor: "schedutil",
+            )],
+            gpu: GpuJson(
+                fast_ppt: None,
+                slow_ppt: None,
+                tdp: None,
+                tdp_boost: None,
+                clock_limits: None,
+                memory_clock: None,
+            ),
+            battery: BatteryJson(
+                charge_rate: None,
+                charge_mode: None,
+                events: [],
+),
+            provider: None,
+        ),
+    },
+)
\ No newline at end of file
diff --git a/limits_override.ron b/limits_override.ron
new file mode 100644
index 0000000..c97c3b8
--- /dev/null
+++ b/limits_override.ron
@@ -0,0 +1,224 @@
+Limits(
+    cpu: Limit(
+        provider: GabeBoy,
+        limits: GenericCpusLimit(
+            cpus: [GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            ), GenericCpuLimit(
+                clock_min: Some(RangeLimit(
+                    min: Some(1400),
+                    max: Some(3500),
+                )),
+                clock_max: Some(RangeLimit(
+                    min: Some(400),
+                    max: Some(3500),
+                )),
+                clock_step: Some(100),
+                tdp: None,
+                tdp_boost: None,
+                tdp_divisor: None,
+                tdp_step: None,
+                skip_resume_reclock: false,
+                extras: LimitExtras(
+                    experiments: false,
+                    quirks: [],
+),
+            )],
+            global_governors: true,
+            extras: LimitExtras(
+                experiments: false,
+                quirks: [],
+),
+        ),
+    ),
+    gpu: Limit(
+        provider: GabeBoy,
+        limits: GenericGpuLimit(
+            fast_ppt: Some(RangeLimit(
+                min: Some(1000000),
+                max: Some(30000000),
+            )),
+            fast_ppt_default: Some(15000000),
+            slow_ppt: Some(RangeLimit(
+                min: Some(1000000),
+                max: Some(29000000),
+            )),
+            slow_ppt_default: Some(15000000),
+            ppt_divisor: Some(1000000),
+            ppt_step: Some(1),
+            tdp: None,
+            tdp_boost: None,
+            tdp_divisor: None,
+            tdp_step: None,
+            clock_min: Some(RangeLimit(
+                min: Some(400),
+                max: Some(1600),
+            )),
+            clock_max: Some(RangeLimit(
+                min: Some(400),
+                max: Some(1600),
+            )),
+            clock_step: Some(100),
+            memory_clock: Some(RangeLimit(
+                min: Some(400),
+                max: Some(800),
+            )),
+            memory_clock_step: Some(400),
+            skip_resume_reclock: false,
+            extras: LimitExtras(
+                experiments: false,
+                quirks: ["pp_dpm_fclk-reversed", "pp_dpm_fclk-not-updated-on-LCD"],
+            ),
+        ),
+    ),
+    battery: Limit(
+        provider: GabeBoy,
+        limits: GenericBatteryLimit(
+            charge_rate: Some(RangeLimit(
+                min: Some(250),
+                max: Some(2500),
+            )),
+            charge_modes: ["normal", "discharge", "idle"],
+            charge_limit: Some(RangeLimit(
+                min: Some(10.0),
+                max: Some(90.0),
+            )),
+            extra_readouts: false,
+            extras: LimitExtras(
+                experiments: false,
+                quirks: [],
+),
+        ),
+    ),
+)
\ No newline at end of file
diff --git a/package.json b/package.json
index c49299a..56d46cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "PowerTools",
-  "version": "1.4.0",
+  "version": "2.0.0",
   "description": "Power tweaks for power users",
   "scripts": {
     "build": "shx rm -rf dist && rollup -c",
@@ -31,16 +31,16 @@
     "@rollup/plugin-replace": "^4.0.0",
     "@rollup/plugin-typescript": "^8.5.0",
     "@types/react": "16.14.0",
-    "@types/webpack": "^5.28.1",
+    "@types/webpack": "^5.28.5",
     "rollup": "^2.79.1",
     "rollup-plugin-import-assets": "^1.1.1",
     "shx": "^0.3.4",
-    "tslib": "^2.5.3",
-    "typescript": "^4.9.5"
+    "tslib": "^2.6.2",
+    "typescript": "^4.9.5",
+    "decky-frontend-lib": "~3.24.4"
   },
   "dependencies": {
-    "decky-frontend-lib": "~3.21.1",
-    "react-icons": "^4.9.0",
+    "react-icons": "^5.0.1",
     "usdpl-front": "file:src/usdpl_front"
   }
 }
diff --git a/plugin.json b/plugin.json
index 97a7714..c854773 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,7 +1,7 @@
 {
     "name": "PowerTools",
     "author": "NGnius",
-    "flags": ["root"],
+    "flags": ["root", "global-dfl"],
     "publish": {
         "discord_id": "106537989684887552",
         "description": "Power tweaks for power users",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c815130..c6e3504 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -5,12 +5,9 @@ settings:
   excludeLinksFromLockfile: false
 
 dependencies:
-  decky-frontend-lib:
-    specifier: ~3.21.1
-    version: 3.21.1
   react-icons:
-    specifier: ^4.9.0
-    version: 4.9.0(react@18.2.0)
+    specifier: ^5.0.1
+    version: 5.0.1(react@18.2.0)
   usdpl-front:
     specifier: file:src/usdpl_front
     version: file:src/usdpl_front
@@ -30,13 +27,16 @@ devDependencies:
     version: 4.0.0(rollup@2.79.1)
   '@rollup/plugin-typescript':
     specifier: ^8.5.0
-    version: 8.5.0(rollup@2.79.1)(tslib@2.5.3)(typescript@4.9.5)
+    version: 8.5.0(rollup@2.79.1)(tslib@2.6.2)(typescript@4.9.5)
   '@types/react':
     specifier: 16.14.0
     version: 16.14.0
   '@types/webpack':
-    specifier: ^5.28.1
-    version: 5.28.1
+    specifier: ^5.28.5
+    version: 5.28.5
+  decky-frontend-lib:
+    specifier: ~3.24.4
+    version: 3.24.4
   rollup:
     specifier: ^2.79.1
     version: 2.79.1
@@ -47,8 +47,8 @@ devDependencies:
     specifier: ^0.3.4
     version: 0.3.4
   tslib:
-    specifier: ^2.5.3
-    version: 2.5.3
+    specifier: ^2.6.2
+    version: 2.6.2
   typescript:
     specifier: ^4.9.5
     version: 4.9.5
@@ -61,11 +61,11 @@ packages:
     dependencies:
       '@jridgewell/set-array': 1.1.2
       '@jridgewell/sourcemap-codec': 1.4.15
-      '@jridgewell/trace-mapping': 0.3.18
+      '@jridgewell/trace-mapping': 0.3.22
     dev: true
 
-  /@jridgewell/resolve-uri@3.1.0:
-    resolution: {integrity: sha512-F2msla3tad+Mfht5cJq7LSXcdudKTWCVYUgw6pLFOOHSTtZlj6SWNYAp+AhuqLmWdBO2X5hPrLcu8cVP8fy28w==}
+  /@jridgewell/resolve-uri@3.1.1:
+    resolution: {integrity: sha512-dSYZh7HhCDtCKm4QakX0xFpsRDqjjtZf/kjI/v3T3Nwt5r8/qz/M19F9ySyOqU94SXBmeG9ttTul+YnR4LOxFA==}
     engines: {node: '>=6.0.0'}
     dev: true
 
@@ -74,26 +74,22 @@ packages:
     engines: {node: '>=6.0.0'}
     dev: true
 
-  /@jridgewell/source-map@0.3.3:
-    resolution: {integrity: sha512-b+fsZXeLYi9fEULmfBrhxn4IrPlINf8fiNarzTof004v3lFdntdwa9PF7vFJqm3mg7s+ScJMxXaE3Acp1irZcg==}
+  /@jridgewell/source-map@0.3.5:
+    resolution: {integrity: sha512-UTYAUj/wviwdsMfzoSJspJxbkH5o1snzwX0//0ENX1u/55kkZZkcTZP6u9bwKGkv+dkk9at4m1Cpt0uY80kcpQ==}
     dependencies:
       '@jridgewell/gen-mapping': 0.3.3
-      '@jridgewell/trace-mapping': 0.3.18
-    dev: true
-
-  /@jridgewell/sourcemap-codec@1.4.14:
-    resolution: {integrity: sha512-XPSJHWmi394fuUuzDnGz1wiKqWfo1yXecHQMRf2l6hztTO+nPru658AyDngaBe7isIxEkRsPR3FZh+s7iVa4Uw==}
+      '@jridgewell/trace-mapping': 0.3.22
     dev: true
 
   /@jridgewell/sourcemap-codec@1.4.15:
     resolution: {integrity: sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==}
     dev: true
 
-  /@jridgewell/trace-mapping@0.3.18:
-    resolution: {integrity: sha512-w+niJYzMHdd7USdiH2U6869nqhD2nbfZXND5Yp93qIbEmnDNk7PD48o+YchRVpzMU7M6jVCbenTR7PA1FLQ9pA==}
+  /@jridgewell/trace-mapping@0.3.22:
+    resolution: {integrity: sha512-Wf963MzWtA2sjrNt+g18IAln9lKnlRp+K2eH4jjIoF1wYeq3aMREpG09xhlhdzS0EjwU7qmUJYangWa+151vZw==}
     dependencies:
-      '@jridgewell/resolve-uri': 3.1.0
-      '@jridgewell/sourcemap-codec': 1.4.14
+      '@jridgewell/resolve-uri': 3.1.1
+      '@jridgewell/sourcemap-codec': 1.4.15
     dev: true
 
   /@rollup/plugin-commonjs@21.1.0(rollup@2.79.1):
@@ -108,7 +104,7 @@ packages:
       glob: 7.2.3
       is-reference: 1.2.1
       magic-string: 0.25.9
-      resolve: 1.22.2
+      resolve: 1.22.8
       rollup: 2.79.1
     dev: true
 
@@ -132,7 +128,7 @@ packages:
       deepmerge: 4.3.1
       is-builtin-module: 3.2.1
       is-module: 1.0.0
-      resolve: 1.22.2
+      resolve: 1.22.8
       rollup: 2.79.1
     dev: true
 
@@ -146,7 +142,7 @@ packages:
       rollup: 2.79.1
     dev: true
 
-  /@rollup/plugin-typescript@8.5.0(rollup@2.79.1)(tslib@2.5.3)(typescript@4.9.5):
+  /@rollup/plugin-typescript@8.5.0(rollup@2.79.1)(tslib@2.6.2)(typescript@4.9.5):
     resolution: {integrity: sha512-wMv1/scv0m/rXx21wD2IsBbJFba8wGF3ErJIr6IKRfRj49S85Lszbxb4DCo8iILpluTjk2GAAu9CoZt4G3ppgQ==}
     engines: {node: '>=8.0.0'}
     peerDependencies:
@@ -158,9 +154,9 @@ packages:
         optional: true
     dependencies:
       '@rollup/pluginutils': 3.1.0(rollup@2.79.1)
-      resolve: 1.22.2
+      resolve: 1.22.8
       rollup: 2.79.1
-      tslib: 2.5.3
+      tslib: 2.6.2
       typescript: 4.9.5
     dev: true
 
@@ -176,59 +172,61 @@ packages:
       rollup: 2.79.1
     dev: true
 
-  /@types/eslint-scope@3.7.4:
-    resolution: {integrity: sha512-9K4zoImiZc3HlIp6AVUDE4CWYx22a+lhSZMYNpbjW04+YF0KWj4pJXnEMjdnFTiQibFFmElcsasJXDbdI/EPhA==}
+  /@types/eslint-scope@3.7.7:
+    resolution: {integrity: sha512-MzMFlSLBqNF2gcHWO0G1vP/YQyfvrxZ0bF+u7mzUdZ1/xK4A4sru+nraZz5i3iEIk1l1uyicaDVTB4QbbEkAYg==}
     dependencies:
-      '@types/eslint': 8.40.2
-      '@types/estree': 1.0.1
+      '@types/eslint': 8.56.2
+      '@types/estree': 1.0.5
     dev: true
 
-  /@types/eslint@8.40.2:
-    resolution: {integrity: sha512-PRVjQ4Eh9z9pmmtaq8nTjZjQwKFk7YIHIud3lRoKRBgUQjgjRmoGxxGEPXQkF+lH7QkHJRNr5F4aBgYCW0lqpQ==}
+  /@types/eslint@8.56.2:
+    resolution: {integrity: sha512-uQDwm1wFHmbBbCZCqAlq6Do9LYwByNZHWzXppSnay9SuwJ+VRbjkbLABer54kcPnMSlG6Fdiy2yaFXm/z9Z5gw==}
     dependencies:
-      '@types/estree': 1.0.1
-      '@types/json-schema': 7.0.12
+      '@types/estree': 1.0.5
+      '@types/json-schema': 7.0.15
     dev: true
 
   /@types/estree@0.0.39:
     resolution: {integrity: sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==}
     dev: true
 
-  /@types/estree@1.0.1:
-    resolution: {integrity: sha512-LG4opVs2ANWZ1TJoKc937iMmNstM/d0ae1vNbnBvBhqCSezgVUOzcLCqbI5elV8Vy6WKwKjaqR+zO9VKirBBCA==}
+  /@types/estree@1.0.5:
+    resolution: {integrity: sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==}
     dev: true
 
-  /@types/json-schema@7.0.12:
-    resolution: {integrity: sha512-Hr5Jfhc9eYOQNPYO5WLDq/n4jqijdHNlDXjuAQkkt+mWdQR+XJToOHrsD4cPaMXpn6KO7y2+wM8AZEs8VpBLVA==}
+  /@types/json-schema@7.0.15:
+    resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
     dev: true
 
-  /@types/node@20.3.1:
-    resolution: {integrity: sha512-EhcH/wvidPy1WeML3TtYFGR83UzjxeWRen9V402T8aUGYsCHOmfoisV3ZSg03gAFIbLq8TnWOJ0f4cALtnSEUg==}
+  /@types/node@20.11.9:
+    resolution: {integrity: sha512-CQXNuMoS/VcoAMISe5pm4JnEd1Br5jildbQEToEMQvutmv+EaQr90ry9raiudgpyDuqFiV9e4rnjSfLNq12M5w==}
+    dependencies:
+      undici-types: 5.26.5
     dev: true
 
-  /@types/prop-types@15.7.5:
-    resolution: {integrity: sha512-JCB8C6SnDoQf0cNycqd/35A7MjcnK+ZTqE7judS6o7utxUCg6imJg3QK2qzHKszlTjcj2cn+NwMB2i96ubpj7w==}
+  /@types/prop-types@15.7.11:
+    resolution: {integrity: sha512-ga8y9v9uyeiLdpKddhxYQkxNDrfvuPrlFb0N1qnZZByvcElJaXthF1UhvCh9TLWJBEHeNtdnbysW7Y6Uq8CVng==}
     dev: true
 
   /@types/react@16.14.0:
     resolution: {integrity: sha512-jJjHo1uOe+NENRIBvF46tJimUvPnmbQ41Ax0pEm7pRvhPg+wuj8VMOHHiMvaGmZRzRrCtm7KnL5OOE/6kHPK8w==}
     dependencies:
-      '@types/prop-types': 15.7.5
-      csstype: 3.1.2
+      '@types/prop-types': 15.7.11
+      csstype: 3.1.3
     dev: true
 
   /@types/resolve@1.17.1:
     resolution: {integrity: sha512-yy7HuzQhj0dhGpD8RLXSZWEkLsV9ibvxvi6EiJ3bkqLAO1RGo0WbkWQiwpRlSFymTJRz0d3k5LM3kkx8ArDbLw==}
     dependencies:
-      '@types/node': 20.3.1
+      '@types/node': 20.11.9
     dev: true
 
-  /@types/webpack@5.28.1:
-    resolution: {integrity: sha512-qw1MqGZclCoBrpiSe/hokSgQM/su8Ocpl3L/YHE0L6moyaypg4+5F7Uzq7NgaPKPxUxUbQ4fLPLpDWdR27bCZw==}
+  /@types/webpack@5.28.5:
+    resolution: {integrity: sha512-wR87cgvxj3p6D0Crt1r5avwqffqPXUkNlnQ1mjU93G7gCuFjufZR4I6j8cz5g1F1tTYpfOOFvly+cmIQwL9wvw==}
     dependencies:
-      '@types/node': 20.3.1
+      '@types/node': 20.11.9
       tapable: 2.2.1
-      webpack: 5.87.0
+      webpack: 5.90.0
     transitivePeerDependencies:
       - '@swc/core'
       - esbuild
@@ -350,16 +348,16 @@ packages:
     resolution: {integrity: sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==}
     dev: true
 
-  /acorn-import-assertions@1.9.0(acorn@8.9.0):
+  /acorn-import-assertions@1.9.0(acorn@8.11.3):
     resolution: {integrity: sha512-cmMwop9x+8KFhxvKrKfPYmN6/pKTYYHBqLa0DfvVZcKMJWNyWLnaqND7dx/qn66R7ewM1UX5XMaDVP5wlVTaVA==}
     peerDependencies:
       acorn: ^8
     dependencies:
-      acorn: 8.9.0
+      acorn: 8.11.3
     dev: true
 
-  /acorn@8.9.0:
-    resolution: {integrity: sha512-jaVNAFBHNLXspO543WnNNPZFRtavh3skAkITqD0/2aeMkKZTN+254PyhwxFYrk3vQ1xfY+2wbesJMs/JC8/PwQ==}
+  /acorn@8.11.3:
+    resolution: {integrity: sha512-Y9rRfJG5jcKOE0CLisYbojUjIrIEE7AGMzA/Sm4BslANhbS+cDMpgBdcPT91oJ7OuJ9hYJBx59RjbhxVnrF8Xg==}
     engines: {node: '>=0.4.0'}
     hasBin: true
     dev: true
@@ -392,15 +390,15 @@ packages:
       concat-map: 0.0.1
     dev: true
 
-  /browserslist@4.21.9:
-    resolution: {integrity: sha512-M0MFoZzbUrRU4KNfCrDLnvyE7gub+peetoTid3TBIqtunaDJyXlwhakT+/VkvSXcfIzFfK/nkCs4nmyTmxdNSg==}
+  /browserslist@4.22.3:
+    resolution: {integrity: sha512-UAp55yfwNv0klWNapjs/ktHoguxuQNGnOzxYmfnXIS+8AsRDZkSDxg7R1AX3GKzn078SBI5dzwzj/Yx0Or0e3A==}
     engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
     hasBin: true
     dependencies:
-      caniuse-lite: 1.0.30001503
-      electron-to-chromium: 1.4.433
-      node-releases: 2.0.12
-      update-browserslist-db: 1.0.11(browserslist@4.21.9)
+      caniuse-lite: 1.0.30001581
+      electron-to-chromium: 1.4.648
+      node-releases: 2.0.14
+      update-browserslist-db: 1.0.13(browserslist@4.22.3)
     dev: true
 
   /buffer-from@1.1.2:
@@ -412,8 +410,8 @@ packages:
     engines: {node: '>=6'}
     dev: true
 
-  /caniuse-lite@1.0.30001503:
-    resolution: {integrity: sha512-Sf9NiF+wZxPfzv8Z3iS0rXM1Do+iOy2Lxvib38glFX+08TCYYYGR5fRJXk4d77C4AYwhUjgYgMsMudbh2TqCKw==}
+  /caniuse-lite@1.0.30001581:
+    resolution: {integrity: sha512-whlTkwhqV2tUmP3oYhtNfaWGYHDdS3JYFQBKXxcUR9qqPWsRhFHhoISO2Xnl/g0xyKzht9mI1LZpiNWfMzHixQ==}
     dev: true
 
   /chrome-trace-event@1.0.3:
@@ -433,21 +431,21 @@ packages:
     resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
     dev: true
 
-  /csstype@3.1.2:
-    resolution: {integrity: sha512-I7K1Uu0MBPzaFKg4nI5Q7Vs2t+3gWWW648spaF+Rg7pI9ds18Ugn+lvg4SHczUdKlHI5LWBXyqfS8+DufyBsgQ==}
+  /csstype@3.1.3:
+    resolution: {integrity: sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==}
     dev: true
 
-  /decky-frontend-lib@3.21.1:
-    resolution: {integrity: sha512-30605ET9qqZ6St6I9WmMmLGgSrTIdMwo7xy85+lRaF1miUd2icOGEJjwnbVcZDdkal+1fJ3tNEDXlchVfG4TrA==}
-    dev: false
+  /decky-frontend-lib@3.24.4:
+    resolution: {integrity: sha512-aCrzVS74V68PQxi5qFS6rjQwWryVy+yYTQKZztXT/T5v1jlw3AKXpTi47pCQl+6TdAIru4hAAjOF8TSf4iONaw==}
+    dev: true
 
   /deepmerge@4.3.1:
     resolution: {integrity: sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==}
     engines: {node: '>=0.10.0'}
     dev: true
 
-  /electron-to-chromium@1.4.433:
-    resolution: {integrity: sha512-MGO1k0w1RgrfdbLVwmXcDhHHuxCn2qRgR7dYsJvWFKDttvYPx6FNzCGG0c/fBBvzK2LDh3UV7Tt9awnHnvAAUQ==}
+  /electron-to-chromium@1.4.648:
+    resolution: {integrity: sha512-EmFMarXeqJp9cUKu/QEciEApn0S/xRcpZWuAm32U7NgoZCimjsilKXHRO9saeEW55eHZagIDg6XTUOv32w9pjg==}
     dev: true
 
   /enhanced-resolve@5.15.0:
@@ -458,8 +456,8 @@ packages:
       tapable: 2.2.1
     dev: true
 
-  /es-module-lexer@1.3.0:
-    resolution: {integrity: sha512-vZK7T0N2CBmBOixhmjdqx2gWVbFZ4DXZ/NyRMZVlJXPa7CyFS+/a4QQsDGDQy9ZfEzxFuNEsMLeQJnKP2p5/JA==}
+  /es-module-lexer@1.4.1:
+    resolution: {integrity: sha512-cXLGjP0c4T3flZJKQSuziYoq7MlT+rnvfZjfp7h+I7K9BNX54kP9nyWvdbwjQ4u1iWbOL4u96fgeZLToQlZC7w==}
     dev: true
 
   /escalade@3.1.1:
@@ -521,16 +519,16 @@ packages:
     resolution: {integrity: sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==}
     dev: true
 
-  /fsevents@2.3.2:
-    resolution: {integrity: sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==}
+  /fsevents@2.3.3:
+    resolution: {integrity: sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==}
     engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
     os: [darwin]
     requiresBuild: true
     dev: true
     optional: true
 
-  /function-bind@1.1.1:
-    resolution: {integrity: sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==}
+  /function-bind@1.1.2:
+    resolution: {integrity: sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==}
     dev: true
 
   /glob-to-regexp@0.4.1:
@@ -557,11 +555,11 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
-  /has@1.0.3:
-    resolution: {integrity: sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==}
-    engines: {node: '>= 0.4.0'}
+  /hasown@2.0.0:
+    resolution: {integrity: sha512-vUptKVTpIJhcczKBbgnS+RtcuYMB8+oNzPK2/Hp3hanz8JmpATdmmgLgSaadVREkDm+e2giHwY3ZRkyjSIDDFA==}
+    engines: {node: '>= 0.4'}
     dependencies:
-      function-bind: 1.1.1
+      function-bind: 1.1.2
     dev: true
 
   /inflight@1.0.6:
@@ -587,10 +585,10 @@ packages:
       builtin-modules: 3.3.0
     dev: true
 
-  /is-core-module@2.12.1:
-    resolution: {integrity: sha512-Q4ZuBAe2FUsKtyQJoQHlvP8OvBERxO3jEmy1I7hcRXcJBGGHFh/aJBswbXuS9sgrDH2QUO8ilkwNPHvHMd8clg==}
+  /is-core-module@2.13.1:
+    resolution: {integrity: sha512-hHrIjvZsftOsvKSn2TRYl63zvxsgE0K+0mYMoH6gD4omR5IWB2KynivBQczo3+wF1cCkjzvptnI9Q0sPU66ilw==}
     dependencies:
-      has: 1.0.3
+      hasown: 2.0.0
     dev: true
 
   /is-module@1.0.0:
@@ -600,14 +598,14 @@ packages:
   /is-reference@1.2.1:
     resolution: {integrity: sha512-U82MsXXiFIrjCK4otLT+o2NA2Cd2g5MLoOVXUZjIOhLurrRxpEXzI8O0KZHr3IjLvlAH1kTPYSuqer5T9ZVBKQ==}
     dependencies:
-      '@types/estree': 1.0.1
+      '@types/estree': 1.0.5
     dev: true
 
   /jest-worker@27.5.1:
     resolution: {integrity: sha512-7vuh85V5cdDofPyxn58nrPjBktZo0u9x1g8WtjQol+jZDaE+fhN+cIvTj11GndBnMnyfrUOG1sZQxCdjKh+DKg==}
     engines: {node: '>= 10.13.0'}
     dependencies:
-      '@types/node': 20.3.1
+      '@types/node': 20.11.9
       merge-stream: 2.0.0
       supports-color: 8.1.1
     dev: true
@@ -672,8 +670,8 @@ packages:
     resolution: {integrity: sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==}
     dev: true
 
-  /node-releases@2.0.12:
-    resolution: {integrity: sha512-QzsYKWhXTWx8h1kIvqfnC++o0pEmpRQA/aenALsL2F4pqNVr7YzcdMlDij5WBnwftRbJCNJL/O7zdKaxKPHqgQ==}
+  /node-releases@2.0.14:
+    resolution: {integrity: sha512-y10wOWt8yZpqXmOgRo77WaHEmhYQYGNA6y421PKsKYWEK8aW+cqAphborZDhqfyKrbZEN92CN1X2KbafY2s7Yw==}
     dev: true
 
   /once@1.4.0:
@@ -700,8 +698,8 @@ packages:
     engines: {node: '>=8.6'}
     dev: true
 
-  /punycode@2.3.0:
-    resolution: {integrity: sha512-rRV+zQD8tVFys26lAGR9WUuS4iUAngJScM+ZRSKtvl5tKeZ2t5bvdNFdNHBW9FWR4guGHlgmsZ1G7BSm2wTbuA==}
+  /punycode@2.3.1:
+    resolution: {integrity: sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==}
     engines: {node: '>=6'}
     dev: true
 
@@ -711,8 +709,8 @@ packages:
       safe-buffer: 5.2.1
     dev: true
 
-  /react-icons@4.9.0(react@18.2.0):
-    resolution: {integrity: sha512-ijUnFr//ycebOqujtqtV9PFS7JjhWg0QU6ykURVHuL4cbofvRCf3f6GMn9+fBktEFQOIVZnuAYLZdiyadRQRFg==}
+  /react-icons@5.0.1(react@18.2.0):
+    resolution: {integrity: sha512-WqLZJ4bLzlhmsvme6iFdgO8gfZP17rfjYEJ2m9RsZjZ+cc4k1hTzknEz63YS1MeT50kVzoa1Nz36f4BEx+Wigw==}
     peerDependencies:
       react: '*'
     dependencies:
@@ -730,14 +728,14 @@ packages:
     resolution: {integrity: sha512-HFM8rkZ+i3zrV+4LQjwQ0W+ez98pApMGM3HUrN04j3CqzPOzl9nmP15Y8YXNm8QHGv/eacOVEjqhmWpkRV0NAw==}
     engines: {node: '>= 0.10'}
     dependencies:
-      resolve: 1.22.2
+      resolve: 1.22.8
     dev: true
 
-  /resolve@1.22.2:
-    resolution: {integrity: sha512-Sb+mjNHOULsBv818T40qSPeRiuWLyaGMa5ewydRLFimneixmVy2zdivRl+AF6jaYPC8ERxGDmFSiqui6SfPd+g==}
+  /resolve@1.22.8:
+    resolution: {integrity: sha512-oKWePCxqpd6FlLvGV1VU0x7bkPmmCNolxzjMf4NczoDnQcIWrAF+cPtZn5i6n+RfD2d9i0tzpKnG6Yk168yIyw==}
     hasBin: true
     dependencies:
-      is-core-module: 2.12.1
+      is-core-module: 2.13.1
       path-parse: 1.0.7
       supports-preserve-symlinks-flag: 1.0.0
     dev: true
@@ -763,7 +761,7 @@ packages:
     engines: {node: '>=10.0.0'}
     hasBin: true
     optionalDependencies:
-      fsevents: 2.3.2
+      fsevents: 2.3.3
     dev: true
 
   /safe-buffer@5.2.1:
@@ -774,13 +772,13 @@ packages:
     resolution: {integrity: sha512-pN/yOAvcC+5rQ5nERGuwrjLlYvLTbCibnZ1I7B1LaiAz9BRBlE9GMgE/eqV30P7aJQUf7Ddimy/RsbYO/GrVGg==}
     engines: {node: '>= 10.13.0'}
     dependencies:
-      '@types/json-schema': 7.0.12
+      '@types/json-schema': 7.0.15
       ajv: 6.12.6
       ajv-keywords: 3.5.2(ajv@6.12.6)
     dev: true
 
-  /serialize-javascript@6.0.1:
-    resolution: {integrity: sha512-owoXEFjWRllis8/M1Q+Cw5k8ZH40e3zhp/ovX+Xr/vi1qj6QesbyXXViFbpNvWvPNAD62SutwEXavefrLJWj7w==}
+  /serialize-javascript@6.0.2:
+    resolution: {integrity: sha512-Saa1xPByTTq2gdeFZYLLo+RFE35NHZkAbqZeWNd3BpzppeVisAqpDjcp8dyf6uIvEqJRd46jemmyA4iFIeVk8g==}
     dependencies:
       randombytes: 2.1.0
     dev: true
@@ -838,8 +836,8 @@ packages:
     engines: {node: '>=6'}
     dev: true
 
-  /terser-webpack-plugin@5.3.9(webpack@5.87.0):
-    resolution: {integrity: sha512-ZuXsqE07EcggTWQjXUj+Aot/OMcD0bMKGgF63f7UxYcu5/AJF53aIpK1YoP5xR9l6s/Hy2b+t1AM0bLNPRuhwA==}
+  /terser-webpack-plugin@5.3.10(webpack@5.90.0):
+    resolution: {integrity: sha512-BKFPWlPDndPs+NGGCr1U59t0XScL5317Y0UReNrHaw9/FwhPENlq6bfgs+4yPfyP51vqC1bQ4rp1EfXW5ZSH9w==}
     engines: {node: '>= 10.13.0'}
     peerDependencies:
       '@swc/core': '*'
@@ -854,27 +852,27 @@ packages:
       uglify-js:
         optional: true
     dependencies:
-      '@jridgewell/trace-mapping': 0.3.18
+      '@jridgewell/trace-mapping': 0.3.22
       jest-worker: 27.5.1
       schema-utils: 3.3.0
-      serialize-javascript: 6.0.1
-      terser: 5.18.0
-      webpack: 5.87.0
+      serialize-javascript: 6.0.2
+      terser: 5.27.0
+      webpack: 5.90.0
     dev: true
 
-  /terser@5.18.0:
-    resolution: {integrity: sha512-pdL757Ig5a0I+owA42l6tIuEycRuM7FPY4n62h44mRLRfnOxJkkOHd6i89dOpwZlpF6JXBwaAHF6yWzFrt+QyA==}
+  /terser@5.27.0:
+    resolution: {integrity: sha512-bi1HRwVRskAjheeYl291n3JC4GgO/Ty4z1nVs5AAsmonJulGxpSektecnNedrwK9C7vpvVtcX3cw00VSLt7U2A==}
     engines: {node: '>=10'}
     hasBin: true
     dependencies:
-      '@jridgewell/source-map': 0.3.3
-      acorn: 8.9.0
+      '@jridgewell/source-map': 0.3.5
+      acorn: 8.11.3
       commander: 2.20.3
       source-map-support: 0.5.21
     dev: true
 
-  /tslib@2.5.3:
-    resolution: {integrity: sha512-mSxlJJwl3BMEQCUNnxXBU9jP4JBktcEGhURcPR6VQVlnP0FdDEsIaz0C35dXNGLyRfrATNofF0F5p2KPxQgB+w==}
+  /tslib@2.6.2:
+    resolution: {integrity: sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==}
     dev: true
 
   /typescript@4.9.5:
@@ -883,13 +881,17 @@ packages:
     hasBin: true
     dev: true
 
-  /update-browserslist-db@1.0.11(browserslist@4.21.9):
-    resolution: {integrity: sha512-dCwEFf0/oT85M1fHBg4F0jtLwJrutGoHSQXCh7u4o2t1drG+c0a9Flnqww6XUKSfQMPpJBRjU8d4RXB09qtvaA==}
+  /undici-types@5.26.5:
+    resolution: {integrity: sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==}
+    dev: true
+
+  /update-browserslist-db@1.0.13(browserslist@4.22.3):
+    resolution: {integrity: sha512-xebP81SNcPuNpPP3uzeW1NYXxI3rxyJzF3pD6sH4jE7o/IX+WtSpwnVU+qIsDPyk0d3hmFQ7mjqc6AtV604hbg==}
     hasBin: true
     peerDependencies:
       browserslist: '>= 4.21.0'
     dependencies:
-      browserslist: 4.21.9
+      browserslist: 4.22.3
       escalade: 3.1.1
       picocolors: 1.0.0
     dev: true
@@ -897,7 +899,7 @@ packages:
   /uri-js@4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
     dependencies:
-      punycode: 2.3.0
+      punycode: 2.3.1
     dev: true
 
   /url-join@4.0.1:
@@ -917,8 +919,8 @@ packages:
     engines: {node: '>=10.13.0'}
     dev: true
 
-  /webpack@5.87.0:
-    resolution: {integrity: sha512-GOu1tNbQ7p1bDEoFRs2YPcfyGs8xq52yyPBZ3m2VGnXGtV9MxjrkABHm4V9Ia280OefsSLzvbVoXcfLxjKY/Iw==}
+  /webpack@5.90.0:
+    resolution: {integrity: sha512-bdmyXRCXeeNIePv6R6tGPyy20aUobw4Zy8r0LUS2EWO+U+Ke/gYDgsCh7bl5rB6jPpr4r0SZa6dPxBxLooDT3w==}
     engines: {node: '>=10.13.0'}
     hasBin: true
     peerDependencies:
@@ -927,17 +929,17 @@ packages:
       webpack-cli:
         optional: true
     dependencies:
-      '@types/eslint-scope': 3.7.4
-      '@types/estree': 1.0.1
+      '@types/eslint-scope': 3.7.7
+      '@types/estree': 1.0.5
       '@webassemblyjs/ast': 1.11.6
       '@webassemblyjs/wasm-edit': 1.11.6
       '@webassemblyjs/wasm-parser': 1.11.6
-      acorn: 8.9.0
-      acorn-import-assertions: 1.9.0(acorn@8.9.0)
-      browserslist: 4.21.9
+      acorn: 8.11.3
+      acorn-import-assertions: 1.9.0(acorn@8.11.3)
+      browserslist: 4.22.3
       chrome-trace-event: 1.0.3
       enhanced-resolve: 5.15.0
-      es-module-lexer: 1.3.0
+      es-module-lexer: 1.4.1
       eslint-scope: 5.1.1
       events: 3.3.0
       glob-to-regexp: 0.4.1
@@ -948,7 +950,7 @@ packages:
       neo-async: 2.6.2
       schema-utils: 3.3.0
       tapable: 2.2.1
-      terser-webpack-plugin: 5.3.9(webpack@5.87.0)
+      terser-webpack-plugin: 5.3.10(webpack@5.90.0)
       watchpack: 2.4.0
       webpack-sources: 3.2.3
     transitivePeerDependencies:
diff --git a/pt_oc.json b/pt_oc.json
deleted file mode 100644
index 4ebd7c1..0000000
--- a/pt_oc.json
+++ /dev/null
@@ -1,134 +0,0 @@
-{
-  "battery": {
-    "charge_rate": {
-      "min": 250,
-      "max": 2500
-    },
-    "extra_readouts": false
-  },
-  "cpus": {
-    "cpus": [
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      },
-      {
-        "clock_min": {
-          "min": 1400,
-          "max": 3500
-        },
-        "clock_max": {
-          "min": 400,
-          "max": 3500
-        },
-        "clock_step": 100,
-        "skip_resume_reclock": false
-      }
-    ],
-    "global_governors": true
-  },
-  "gpu": {
-    "fast_ppt": {
-      "min": 1000000,
-      "max": 30000000
-    },
-    "fast_ppt_default": 15000000,
-    "slow_ppt": {
-      "min": 1000000,
-      "max": 29000000
-    },
-    "slow_ppt_default": 15000000,
-    "ppt_divisor": 1000000,
-    "ppt_step": 1,
-    "clock_min": {
-      "min": 400,
-      "max": 1600
-    },
-    "clock_max": {
-      "min": 400,
-      "max": 1600
-    },
-    "clock_step": 100,
-    "skip_resume_reclock": false
-  }
-}
\ No newline at end of file
diff --git a/rollup.config.js b/rollup.config.js
index 8717908..3b2e789 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -24,12 +24,13 @@ export default defineConfig({
     })
   ],
   context: 'window',
-  external: ['react', 'react-dom'],
+  external: ['react', 'react-dom', 'decky-frontend-lib'],
   output: {
     file: 'dist/index.js',
     globals: {
       react: 'SP_REACT',
       'react-dom': 'SP_REACTDOM',
+      'decky-frontend-lib': 'DFL',
     },
     format: 'iife',
     exports: 'default',
diff --git a/src/backend.ts b/src/backend.ts
index 07fe9d8..fa3d276 100644
--- a/src/backend.ts
+++ b/src/backend.ts
@@ -85,12 +85,15 @@ export type GeneralLimits = {};
 
 export type GpuLimits = {
     fast_ppt_limits: RangeLimit | null;
+    fast_ppt_default: number;
     slow_ppt_limits: RangeLimit | null;
+    slow_ppt_default: number;
     ppt_step: number;
     clock_min_limits: RangeLimit | null;
     clock_max_limits: RangeLimit | null;
     clock_step: number;
-    memory_control_capable: boolean;
+    memory_control: RangeLimit | null,
+    memory_step: number,
 };
 
 // API
@@ -229,14 +232,18 @@ export async function unsetGpuClockLimits(): Promise<any[]> {
     return (await call_backend("GPU_unset_clock_limits", []));
 }
 
-export async function setGpuSlowMemory(val: boolean): Promise<boolean> {
-    return (await call_backend("GPU_set_slow_memory", [val]))[0];
+export async function setGpuSlowMemory(clock: number): Promise<number> {
+    return (await call_backend("GPU_set_slow_memory", [clock]))[0];
 }
 
-export async function getGpuSlowMemory(): Promise<boolean> {
+export async function getGpuSlowMemory(): Promise<number | null> {
     return (await call_backend("GPU_get_slow_memory", []))[0];
 }
 
+export async function unsetGpuSlowMemory(): Promise<any[]> {
+    return (await call_backend("GPU_unset_slow_memory", []));
+}
+
 // general
 
 export async function setGeneralPersistent(val: boolean): Promise<boolean> {
@@ -247,8 +254,22 @@ export async function getGeneralPersistent(): Promise<boolean> {
     return (await call_backend("GENERAL_get_persistent", []))[0];
 }
 
-export async function loadGeneralSettings(id: string, name: string): Promise<boolean> {
-    return (await call_backend("GENERAL_load_settings", [id, name]))[0];
+export async function loadGeneralSettings(id: string, name: string, variant_id: string, variant_name: string | undefined): Promise<boolean> {
+    if (variant_name) {
+        return (await call_backend("GENERAL_load_settings", [id, name, variant_id, variant_name]))[0];
+    } else {
+        return (await call_backend("GENERAL_load_settings", [id, name, variant_id]))[0];
+    }
+
+}
+
+export async function loadGeneralSettingsVariant(variant_id: string, variant_name: string | undefined): Promise<boolean> {
+    console.log("GENERAL_load_variant");
+    if (variant_name) {
+        return (await call_backend("GENERAL_load_variant", [variant_id, variant_name]))[0];
+    } else {
+        return (await call_backend("GENERAL_load_variant", [variant_id]))[0];
+    }
 }
 
 export async function loadGeneralDefaultSettings(): Promise<boolean> {
@@ -344,3 +365,41 @@ export async function getPeriodicals(): Promise<Periodicals> {
         settings_path: result[4],
     };
 }
+
+export type StoreMetadata = {
+    name: string,
+    steam_app_id: number,
+    steam_user_id: number,
+    steam_username: string,
+    tags: string[],
+    id: string,
+    //config: any,
+}
+
+export async function searchStoreByAppId(id: string): Promise<StoreMetadata[]> {
+    //console.log("WEB_search_by_app");
+    return (await call_backend("WEB_search_by_app", [id]))[0];
+}
+
+export type VariantInfo = {
+    id: string,
+    name: string,
+}
+
+export async function storeDownloadById(id: string): Promise<VariantInfo[]> {
+    return (await call_backend("WEB_download_new", [id]));
+}
+
+export async function storeUpload(steam_id: string, steam_username: string): Promise<VariantInfo[]> {
+    return (await call_backend("WEB_upload_new", [steam_id, steam_username]));
+}
+
+export async function getAllSettingVariants(): Promise<VariantInfo[]> {
+    //console.log("GENERAL_get_all_variants");
+    return (await call_backend("GENERAL_get_all_variants", []));
+}
+
+export async function getCurrentSettingVariant(): Promise<VariantInfo> {
+    //console.log("GENERAL_get_current_variant");
+    return (await call_backend("GENERAL_get_current_variant", []))[0];
+}
diff --git a/src/components/battery.tsx b/src/components/battery.tsx
index 0199e1b..59b476d 100644
--- a/src/components/battery.tsx
+++ b/src/components/battery.tsx
@@ -1,5 +1,5 @@
 import { Fragment } from "react";
-import {Component} from "react";
+import { Component } from "react";
 import {
   ToggleField,
   SliderField,
diff --git a/src/components/debug.tsx b/src/components/debug.tsx
index d858253..e41d8ac 100644
--- a/src/components/debug.tsx
+++ b/src/components/debug.tsx
@@ -22,11 +22,16 @@ let isSpecialDay = now.getDate() == 1 && now.getMonth() == 3;
 
 export class Debug extends Component<backend.IdcProps> {
     render() {
-        return buildDebug();
+        const reloadGUI = (x: string) => this.setState((_state) => {
+            return {
+                reloadThingy: x,
+            };
+        });
+        return buildDebug(reloadGUI);
     }
 }
 
-function buildDebug() {
+function buildDebug(reloadGUI: (x: string) => void) {
   return (<Fragment>{/* Version Info */}
       <div className={staticClasses.PanelSectionTitle}>
         {eggCount % 10 == 9 ? "Ha! Nerd" : tr("Debug")}
@@ -38,9 +43,10 @@ function buildDebug() {
             if (eggCount % 10 == 9) {
               // you know you're bored and/or conceited when you spend time adding an easter egg
               // that just sends people to your own project's repo
-              Navigation.NavigateToExternalWeb("https://github.com/NGnius/PowerTools/releases");
+              Navigation.NavigateToExternalWeb("https://git.ngni.us/NG-SD-Plugins/PowerTools/releases");
             }
             eggCount++;
+            reloadGUI("BackendInfo");
           }}>
           {eggCount % 10 == 9 ? "by NGnius" : get_value(BACKEND_INFO)}
         </Field>
@@ -48,14 +54,14 @@ function buildDebug() {
       <PanelSectionRow>
         <Field
           label={tr("Framework")}
-          onClick={()=> eggCount++}>
+          onClick={() => {eggCount++; reloadGUI("FrameworkInfo");}}>
           {eggCount % 10 == 9 ? "<3 <3 <3" : target_usdpl()}
         </Field>
       </PanelSectionRow>
       <PanelSectionRow>
         <Field
           label={ eggCount % 10 == 9 && tr("Driver") == "Driver" ? "Drive" : tr("Driver")}
-          onClick={()=> eggCount++}>
+          onClick={() => {eggCount++; reloadGUI("DriverInfo");}}>
           {eggCount % 10 == 9 ? "Ryan Gosling" : get_value(DRIVER_INFO)}
         </Field>
       </PanelSectionRow>
@@ -66,9 +72,10 @@ function buildDebug() {
             if (eggCount % 10 == 9) {
               // you know you're bored and/or conceited when you spend time adding an easter egg
               // that just sends people to your own project's repo
-              Navigation.NavigateToExternalWeb("https://github.com/NGnius/usdpl-rs");
+              Navigation.NavigateToExternalWeb("https://git.ngni.us/NG-SD-Plugins/usdpl-rs");
             }
             eggCount++;
+            reloadGUI("USDPLInfo");
           }}>
           v{version_usdpl()}
         </Field>
diff --git a/src/components/gpu.tsx b/src/components/gpu.tsx
index a8fdd52..fce7670 100644
--- a/src/components/gpu.tsx
+++ b/src/components/gpu.tsx
@@ -41,11 +41,11 @@ export class Gpu extends Component<backend.IdcProps> {
                 onChange={(value: boolean) => {
                     if (value) {
                         if ((get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.slow_ppt_limits != null) {
-                            set_value(SLOW_PPT_GPU, (get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.slow_ppt_limits!.max);
+                            set_value(SLOW_PPT_GPU, (get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.slow_ppt_default);
                         }
 
                         if ((get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.fast_ppt_limits != null) {
-                            set_value(FAST_PPT_GPU, (get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.fast_ppt_limits!.max);
+                            set_value(FAST_PPT_GPU, (get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.fast_ppt_default);
                         }
                         reloadGUI("GPUPPTToggle");
                     } else {
@@ -180,16 +180,42 @@ export class Gpu extends Component<backend.IdcProps> {
                 }}
                 />}
             </PanelSectionRow>
-            {(get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.memory_control_capable && <PanelSectionRow>
+            {((get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.memory_control) && <PanelSectionRow>
                 <ToggleField
-                checked={get_value(SLOW_MEMORY_GPU)}
+                checked={get_value(SLOW_MEMORY_GPU) != null}
                 label={tr("Downclock Memory")}
                 description={tr("Force RAM into low-power mode")}
                 onChange={(value: boolean) => {
-                    backend.resolve(backend.setGpuSlowMemory(value), (val: boolean) => {
-                        set_value(SLOW_MEMORY_GPU, val);
-                        reloadGUI("GPUSlowMemory");
-                    })
+                    if (value) {
+                        set_value(SLOW_MEMORY_GPU, (get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.memory_control!.max);
+                        reloadGUI("GPUMemFreqToggle");
+                    } else {
+                        set_value(SLOW_MEMORY_GPU, null);
+                        backend.resolve(backend.unsetGpuSlowMemory(), (_: any[]) => {
+                            reloadGUI("GPUUnsetMemFreq");
+                        });
+                    }
+                }}
+                />
+            </PanelSectionRow>}
+            {get_value(SLOW_MEMORY_GPU) != null && <PanelSectionRow>
+                <SliderField
+                label={tr("Maximum (MHz)")}
+                value={get_value(SLOW_MEMORY_GPU)}
+                max={(get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.memory_control!.max}
+                min={(get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.memory_control!.min}
+                step={(get_value(LIMITS_INFO) as backend.SettingsLimits).gpu.memory_step}
+                showValue={true}
+                disabled={get_value(SLOW_MEMORY_GPU) == null}
+                onChange={(val: number) => {
+                    backend.log(backend.LogLevel.Debug, "GPU memory clock Max is now " + val.toString());
+                    backend.resolve(
+                        backend.setGpuSlowMemory(val),
+                        (val: number) => {
+                            set_value(SLOW_MEMORY_GPU, val);
+                            reloadGUI("GPUSetMemFreq");
+                        }
+                    );
                 }}
                 />
             </PanelSectionRow>}
diff --git a/src/components/text_field_modal.tsx b/src/components/text_field_modal.tsx
new file mode 100644
index 0000000..c5ff5d6
--- /dev/null
+++ b/src/components/text_field_modal.tsx
@@ -0,0 +1,65 @@
+// Based on https://github.com/isiah-lloyd/radiyo-steam-deck/blob/main/src/TextFieldModal.tsx
+
+import { ModalRoot, ModalRootProps, Router, TextField, Focusable, DialogButton } from 'decky-frontend-lib';
+import { useEffect, useRef, useState } from 'react';
+import { HiCheck, HiX } from "react-icons/hi";
+type props = ModalRootProps & {
+    label: string,
+    placeholder: string,
+    onClosed: (inputText: string) => void;
+}
+export const TextFieldModal = ({ closeModal, onClosed, label, placeholder }: props) => {
+    const [inputText, setInputText] = useState('');
+    const handleText = (e: React.ChangeEvent<HTMLInputElement>) => {
+        setInputText(e.target.value);
+    };
+    const textField = useRef<any>();
+    useEffect(() => {
+        Router.CloseSideMenus();
+        //This will open up the virtual keyboard
+        textField.current?.element?.click();
+    }, []);
+    const submit = () => onClosed(inputText);
+    return (
+        <ModalRoot closeModal={closeModal} onEscKeypress={closeModal}>
+            <form onSubmit={submit}>
+                <TextField
+                    //@ts-ignore
+                    ref={textField}
+                    focusOnMount={true}
+                    label={label}
+                    placeholder={placeholder}
+                    onChange={handleText}
+                />
+                <Focusable style={{
+                alignItems: "center",
+                display: "flex",
+                justifyContent: "space-around",
+                }}
+                flow-children="horizontal"
+                >
+                <DialogButton
+                    style={{
+                    maxWidth: "45%",
+                    minWidth: "auto",
+                    }}
+                    //layout="below"
+                    onClick={(_: MouseEvent) => { submit() }}
+                >
+                    <HiCheck/>
+                </DialogButton>
+                <DialogButton
+                    style={{
+                    maxWidth: "45%",
+                    minWidth: "auto",
+                    }}
+                    //layout="below"
+                    onClick={(_: MouseEvent) => { if (closeModal) { closeModal() } }}
+                >
+                    <HiX/>
+                </DialogButton>
+                </Focusable>
+            </form>
+        </ModalRoot>
+    );
+};
diff --git a/src/consts.ts b/src/consts.ts
index 4364cb6..b938fe4 100644
--- a/src/consts.ts
+++ b/src/consts.ts
@@ -30,9 +30,20 @@ export const SLOW_MEMORY_GPU = "GPU_slow_memory";
 export const PERSISTENT_GEN = "GENERAL_persistent";
 export const NAME_GEN = "GENERAL_name";
 export const PATH_GEN = "GENERAL_path";
+export const VARIANTS_GEN = "GENERAL_setting_variants";
+export const CURRENT_VARIANT_GEN = "GENERAL_current_variant";
 
 export const MESSAGE_LIST = "MESSAGE_messages";
 
+export const INTERNAL_STEAM_ID = "INTERNAL_steam_id";
+export const INTERNAL_STEAM_USERNAME = "INTERNAL_stream_username";
+
+export const STORE_RESULTS = "INTERNAL_store_results";
+
 export const PERIODICAL_BACKEND_PERIOD = 5000; // milliseconds
 export const AUTOMATIC_REAPPLY_WAIT = 2000; // milliseconds
 
+export const STORE_RESULTS_URI = "/plugins/PowerTools/settings_store";
+export const STORE_MAIN_APP_ID = "1";
+export const STORE_MAIN_APP_ID_DEV = "0";
+
diff --git a/src/index.tsx b/src/index.tsx
index df1407d..a6e88f3 100755
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,27 +1,26 @@
 import {
   ButtonItem,
   definePlugin,
-  //DialogButton,
-  //Menu,
-  //MenuItem,
+  DialogButton,
   PanelSection,
   PanelSectionRow,
   ServerAPI,
-  //showContextMenu,
   staticClasses,
-  //SliderField,
   ToggleField,
-  //Dropdown,
   Field,
-  //DropdownOption,
-  //SingleDropdownOption,
-  //NotchLabel
-  //gamepadDialogClasses,
-  //joinClassNames,
+  Dropdown,
+  SingleDropdownOption,
+  Navigation,
+  Focusable,
+  Spinner,
+  showModal,
+  QuickAccessTab,
+  ShowModalResult,
 } from "decky-frontend-lib";
 import { VFC, useState } from "react";
-import { GiDrill, GiTimeBomb, GiTimeTrap, GiDynamite } from "react-icons/gi";
-import { HiRefresh, HiTrash } from "react-icons/hi";
+import { GiDrill, GiFireExtinguisher, GiFireBomb, GiMineExplosion } from "react-icons/gi";
+import { HiRefresh, HiTrash, HiPlus, HiUpload } from "react-icons/hi";
+import { TbWorldPlus } from "react-icons/tb";
 
 //import * as python from "./python";
 import * as backend from "./backend";
@@ -58,9 +57,18 @@ import {
   PERSISTENT_GEN,
   NAME_GEN,
   PATH_GEN,
+  VARIANTS_GEN,
+  CURRENT_VARIANT_GEN,
 
   MESSAGE_LIST,
 
+  INTERNAL_STEAM_ID,
+  INTERNAL_STEAM_USERNAME,
+
+  STORE_RESULTS,
+  STORE_RESULTS_URI,
+  STORE_MAIN_APP_ID,
+
   PERIODICAL_BACKEND_PERIOD,
   AUTOMATIC_REAPPLY_WAIT,
 } from "./consts";
@@ -71,11 +79,19 @@ import { Battery } from "./components/battery";
 import { Cpus } from "./components/cpus";
 import { DevMessages } from "./components/message";
 
-var periodicHook: NodeJS.Timer | null = null;
+import { TextFieldModal } from "./components/text_field_modal";
+
+import { StoreResultsPage } from "./store/page";
+
+var periodicHook: NodeJS.Timeout | null = null;
 var lifetimeHook: any = null;
 var startHook: any = null;
 var endHook: any = null;
+var userHook: any = null;
 var usdplReady = false;
+var isVariantLoading = false;
+
+var tryNotifyProfileChange = function() {};
 
 type MinMax = {
   min: number | null;
@@ -114,6 +130,10 @@ const reload = function() {
     console.debug("POWERTOOLS: got limits ", limits);
   });
 
+  if (!get_value(STORE_RESULTS)) {
+    backend.resolve(backend.searchStoreByAppId(STORE_MAIN_APP_ID), (results) => set_value(STORE_RESULTS, results));
+  }
+
   backend.resolve(backend.getBatteryCurrent(), (rate: number) => { set_value(CURRENT_BATT, rate) });
   backend.resolve_nullable(backend.getBatteryChargeRate(), (rate: number | null) => { set_value(CHARGE_RATE_BATT, rate) });
   backend.resolve_nullable(backend.getBatteryChargeMode(), (mode: string | null) => { set_value(CHARGE_MODE_BATT, mode) });
@@ -151,11 +171,13 @@ const reload = function() {
     set_value(CLOCK_MIN_GPU, limits[0]);
     set_value(CLOCK_MAX_GPU, limits[1]);
   });
-  backend.resolve(backend.getGpuSlowMemory(), (status: boolean) => { set_value(SLOW_MEMORY_GPU, status) });
+  backend.resolve_nullable(backend.getGpuSlowMemory(), (status: number | null) => { set_value(SLOW_MEMORY_GPU, status) });
 
   backend.resolve(backend.getGeneralPersistent(), (value: boolean) => { set_value(PERSISTENT_GEN, value) });
   backend.resolve(backend.getGeneralSettingsName(), (name: string) => { set_value(NAME_GEN, name) });
   backend.resolve(backend.getGeneralSettingsPath(), (path: string) => { set_value(PATH_GEN, path) });
+  backend.resolve(backend.getAllSettingVariants(), (variants: backend.VariantInfo[]) => { set_value(VARIANTS_GEN, variants) });
+  backend.resolve(backend.getCurrentSettingVariant(), (variant: backend.VariantInfo) => { set_value(CURRENT_VARIANT_GEN, variant) });
 
   backend.resolve(backend.getInfo(), (info: string) => { set_value(BACKEND_INFO, info) });
   backend.resolve(backend.getDriverProviderName("gpu"), (driver: string) => { set_value(DRIVER_INFO, driver) });
@@ -163,12 +185,21 @@ const reload = function() {
   backend.resolve(backend.getMessages(null), (messages: backend.Message[]) => { set_value(MESSAGE_LIST, messages) });
 };
 
-// init USDPL WASM and connection to back-end
-(async function(){
-  await backend.initBackend();
-  usdplReady = true;
-  reload(); // technically this is only a load
+const clearHooks = function() {
+  clearInterval(periodicHook!);
+  periodicHook = null;
+  lifetimeHook?.unregister();
+  startHook?.unregister();
+  endHook?.unregister();
+  userHook?.unregister();
 
+  backend.log(backend.LogLevel.Info, "Unregistered PowerTools callbacks, so long and thanks for all the fish.");
+};
+
+const registerCallbacks = function(autoclear: boolean) {
+  if (autoclear) {
+    clearHooks();
+  }
   // register Steam callbacks
   //@ts-ignore
   lifetimeHook = SteamClient.GameSessions.RegisterForAppLifetimeNotifications((update) => {
@@ -177,9 +208,20 @@ const reload = function() {
           //backend.log(backend.LogLevel.Debug, "AppID " + update.unAppID.toString() + " is now running");
       } else {
           //backend.log(backend.LogLevel.Debug, "AppID " + update.unAppID.toString() + " is no longer running");
+          backend.resolve(backend.loadGeneralDefaultSettings(), (ok: boolean) => {
+              backend.log(backend.LogLevel.Debug, "Loading default settings ok? " + ok);
+              reload();
+              backend.resolve(backend.waitForComplete(), (_) => {
+                backend.log(backend.LogLevel.Debug, "Trying to tell UI to re-render due to game exit");
+                tryNotifyProfileChange();
+              });
+            }
+          );
           backend.resolve(
-            backend.loadGeneralDefaultSettings(),
-            (ok: boolean) => {backend.log(backend.LogLevel.Debug, "Loading default settings ok? " + ok)}
+            backend.searchStoreByAppId(STORE_MAIN_APP_ID),
+            (results: backend.StoreMetadata[]) => {
+              set_value(STORE_RESULTS, results);
+            }
           );
       }
   });
@@ -187,22 +229,65 @@ const reload = function() {
   startHook = SteamClient.Apps.RegisterForGameActionStart((actionType, id) => {
       //@ts-ignore
       let gameInfo: any = appStore.GetAppOverviewByGameID(id);
+      let appId: string = gameInfo.appid.toString();
 
       backend.log(backend.LogLevel.Info, "RegisterForGameActionStart callback(" + actionType + ", " + id + ")");
-      // don't use gameInfo.appid, haha
       backend.resolve(
-        backend.loadGeneralSettings(id.toString(), gameInfo.display_name),
-        (ok: boolean) => {backend.log(backend.LogLevel.Debug, "Loading settings ok? " + ok)}
+        backend.loadGeneralSettings(appId, gameInfo.display_name, "0", undefined),
+        (ok: boolean) => {
+          backend.log(backend.LogLevel.Debug, "Loading settings ok? " + ok);
+          reload();
+          backend.resolve(backend.waitForComplete(), (_) => {
+            backend.log(backend.LogLevel.Debug, "Trying to tell UI to re-render due to new game launch");
+            tryNotifyProfileChange();
+          });
+        }
+      );
+      backend.resolve(
+        backend.searchStoreByAppId(appId),
+        (results: backend.StoreMetadata[]) => {
+          set_value(STORE_RESULTS, results);
+        }
       );
   });
 
+  // this fires immediately, so let's ignore that callback
+  let hasFiredImmediately = false;
   //@ts-ignore
   endHook = SteamClient.Apps.RegisterForGameActionEnd((actionType) => {
+      if (!hasFiredImmediately) {
+        hasFiredImmediately = true;
+        backend.log(backend.LogLevel.Debug, "RegisterForGameActionEnd immediately fired callback(" + actionType + ")");
+        return;
+      }
       backend.log(backend.LogLevel.Info, "RegisterForGameActionEnd callback(" + actionType + ")");
       setTimeout(() => backend.forceApplySettings(), AUTOMATIC_REAPPLY_WAIT);
   });
 
+  //@ts-ignore
+  userHook = SteamClient.User.RegisterForCurrentUserChanges((data) => {
+      const accountName = data.strAccountName;
+      const steamId = data.strSteamID;
+      SteamClient.User.GetLoginUsers().then((users: any) => {
+          users.forEach((user: any) => {
+              if (user && user.accountName == accountName) {
+                  set_value(INTERNAL_STEAM_ID, steamId);
+                  set_value(INTERNAL_STEAM_USERNAME, user.personaName ? user.personaName : accountName);
+              }
+          });
+      });
+  });
+
   backend.log(backend.LogLevel.Debug, "Registered PowerTools callbacks, hello!");
+};
+
+// init USDPL WASM and connection to back-end
+(async function(){
+  await backend.initBackend();
+  usdplReady = true;
+  reload(); // technically this is only a load
+
+  registerCallbacks(true);
 })();
 
 const periodicals = function() {
@@ -216,16 +301,13 @@ const periodicals = function() {
     const oldValue = get_value(PATH_GEN);
     set_value(PATH_GEN, path);
     if (path != oldValue) {
-      backend.log(backend.LogLevel.Info, "Frontend values reload triggered by path change: " + oldValue + " -> " + path);
+      backend.log(backend.LogLevel.Debug, "Frontend values reload triggered by path change: " + oldValue + " -> " + path);
       reload();
     }
   })
 };
 
-const Content: VFC<{ serverAPI: ServerAPI }> = ({}) => {
-
-  const [idc, reloadGUI] = useState<any>("/shrug");
-
+const periodicalsSetup = function(reloadGUI: (s: string) => void) {
   if (periodicHook != null) {
     clearInterval(periodicHook);
     periodicHook = null;
@@ -235,6 +317,14 @@ const Content: VFC<{ serverAPI: ServerAPI }> = ({}) => {
       periodicals();
       reloadGUI("periodic" + (new Date()).getTime().toString());
   }, PERIODICAL_BACKEND_PERIOD);
+};
+
+const Content: VFC<{ serverAPI: ServerAPI }> = ({}) => {
+
+  const [idc, reloadGUI] = useState<any>("/shrug");
+  tryNotifyProfileChange = function() { reloadGUI("ProfileChangeByNotification") };
+
+  periodicalsSetup(reloadGUI);
 
   if (!usdplReady || !get_value(LIMITS_INFO)) {
     // Not translated on purpose (to avoid USDPL issues)
@@ -246,6 +336,8 @@ const Content: VFC<{ serverAPI: ServerAPI }> = ({}) => {
           onClick={(_: MouseEvent) => {
             console.log("POWERTOOLS: manual reload after startup failure");
             reload();
+            // try to reload GUI too
+            backend.resolve(backend.waitForComplete(), (_) => {reloadGUI("LoadSystemDefaults")});
           }}
         >
         Reload
@@ -254,6 +346,33 @@ const Content: VFC<{ serverAPI: ServerAPI }> = ({}) => {
     )
   }
 
+  const variantOptions: SingleDropdownOption[] = (get_value(VARIANTS_GEN) as backend.VariantInfo[]).map((elem) => {return {
+        data: elem,
+        label: <span>{elem.name}</span>,
+    };});
+
+  var modalResult: ShowModalResult | undefined = undefined;
+
+  const onNewVariantModelClosed = (name: string) => {
+    if (modalResult) {
+      modalResult.Close();
+    }
+    console.log("POWERTOOLS: variant name", name);
+    isVariantLoading = true;
+    backend.resolve(
+      backend.loadGeneralSettingsVariant("please give me a new ID k thx bye" /* anything that cannot be parsed as a u64 will be set to u64::MAX, which will cause the back-end to auto-generate an ID */, name),
+      (ok: boolean) => {
+        backend.log(backend.LogLevel.Debug, "New settings variant ok? " + ok);
+        reload();
+        backend.resolve(backend.waitForComplete(), (_) => {
+          backend.log(backend.LogLevel.Debug, "Trying to tell UI to re-render due to new settings variant");
+          tryNotifyProfileChange();
+        });
+      }
+    );
+    Navigation.OpenQuickAccessMenu(QuickAccessTab.Decky);
+  };
+
   return (
     <PanelSection>
       <DevMessages idc={idc}/>
@@ -289,6 +408,97 @@ const Content: VFC<{ serverAPI: ServerAPI }> = ({}) => {
           {get_value(NAME_GEN)}
         </Field>
       </PanelSectionRow>
+      <PanelSectionRow>
+        <Field
+          label={tr("Profile Variant")}
+          >
+          {(!isVariantLoading && <Dropdown
+              menuLabel={tr("Profile Variant")}
+              rgOptions={variantOptions}
+              selectedOption={variantOptions.find((val: SingleDropdownOption, _index, _arr) => {
+                backend.log(backend.LogLevel.Debug, "POWERTOOLS: looking for variant data.id " + (get_value(CURRENT_VARIANT_GEN) as backend.VariantInfo).id.toString());
+                return (val.data as backend.VariantInfo).id == (get_value(CURRENT_VARIANT_GEN) as backend.VariantInfo).id;
+              })}
+              strDefaultLabel={(get_value(CURRENT_VARIANT_GEN) as backend.VariantInfo | undefined)?.name?? (get_value(VARIANTS_GEN) as backend.VariantInfo[])[0].name}
+              onChange={(elem: SingleDropdownOption) => {
+                if (elem.data.id != (get_value(CURRENT_VARIANT_GEN) as backend.VariantInfo).id) {
+                  isVariantLoading = true;
+                  let data = elem.data as backend.VariantInfo;
+                  backend.log(backend.LogLevel.Debug, "Profile variant dropdown selected " + elem.data.id.toString());
+                  //set_value(CURRENT_VARIANT_GEN, elem.data as backend.VariantInfo);
+                  backend.resolve(
+                    backend.loadGeneralSettingsVariant(data.id, data.name),
+                    (ok: boolean) => {
+                      backend.log(backend.LogLevel.Debug, "Loaded settings variant ok? " + ok);
+                      reload();
+                      isVariantLoading = false;
+                      backend.resolve(backend.waitForComplete(), (_) => {
+                        backend.log(backend.LogLevel.Debug, "Trying to tell UI to re-render due to newly-selected settings variant");
+                        tryNotifyProfileChange();
+                        //reloadGUI("ProfileVariantSelected");
+                      });
+                    }
+                  );
+                }
+              }}
+          />)}
+          {(isVariantLoading && <Spinner/>)}
+        </Field>
+      </PanelSectionRow>
+      <PanelSectionRow>
+        <Focusable style={{
+          alignItems: "center",
+          display: "flex",
+          justifyContent: "space-around",
+        }}
+          flow-children="horizontal"
+        >
+          <DialogButton
+            style={{
+              maxWidth: "30%",
+              minWidth: "auto",
+            }}
+            //layout="below"
+            onClick={(_: MouseEvent) => {
+              backend.log(backend.LogLevel.Debug, "Creating new PowerTools settings variant");
+              modalResult = showModal(<TextFieldModal label={tr("Profile Variant")} placeholder={tr("Variant name")} onClosed={onNewVariantModelClosed} closeModal={() => { modalResult?.Close(); Navigation.OpenQuickAccessMenu(QuickAccessTab.Decky)}}/>, window);
+            }}
+          >
+            <HiPlus/>
+          </DialogButton>
+          <DialogButton
+            style={{
+              maxWidth: "30%",
+              minWidth: "auto",
+            }}
+            //layout="below"
+            onClick={(_: MouseEvent) => {
+              const steamId = get_value(INTERNAL_STEAM_ID);
+              const steamName = get_value(INTERNAL_STEAM_USERNAME);
+              if (steamId && steamName) {
+                  backend.storeUpload(steamId, steamName);
+              } else {
+                  backend.log(backend.LogLevel.Warn, "Cannot upload with null steamID (is null: " + !steamId + ") and/or username (is null: " + !steamName + ")");
+              }
+            }}
+          >
+            <HiUpload/>
+          </DialogButton>
+          <DialogButton
+            style={{
+              maxWidth: "30%",
+              minWidth: "auto",
+            }}
+            //layout="below"
+            onClick={(_: MouseEvent) => {
+              Navigation.Navigate(STORE_RESULTS_URI);
+              Navigation.CloseSideMenus();
+            }}
+          >
+            <TbWorldPlus />
+          </DialogButton>
+        </Focusable>
+      </PanelSectionRow>
 
       <Debug idc={idc}/>
 
@@ -332,21 +542,19 @@ export default definePlugin((serverApi: ServerAPI) => {
   let ico = <GiDrill />;
   let now = new Date();
   if (now.getDate() == 1 && now.getMonth() == 3) {
-    ico = <span><GiDynamite /><GiTimeTrap /><GiTimeBomb /></span>;
+    ico = <span><GiFireExtinguisher /><GiFireBomb /><GiMineExplosion /></span>;
   }
+  //registerCallbacks(false);
+  serverApi.routerHook.addRoute(STORE_RESULTS_URI, () => <StoreResultsPage onNewVariant={tryNotifyProfileChange}/>);
   return {
     title: <div className={staticClasses.Title}>PowerTools</div>,
     content: <Content serverAPI={serverApi} />,
     icon: ico,
     onDismount() {
+      tryNotifyProfileChange = function() {};
       backend.log(backend.LogLevel.Debug, "PowerTools shutting down");
-      clearInterval(periodicHook!);
-      periodicHook = null;
-      lifetimeHook?.unregister();
-      startHook?.unregister();
-      endHook?.unregister();
-      //serverApi.routerHook.removeRoute("/decky-plugin-test");
-      backend.log(backend.LogLevel.Debug, "Unregistered PowerTools callbacks, so long and thanks for all the fish.");
+      clearHooks();
+      serverApi.routerHook.removeRoute(STORE_RESULTS_URI);
     },
   };
 });
diff --git a/src/store/page.tsx b/src/store/page.tsx
new file mode 100644
index 0000000..da8f36d
--- /dev/null
+++ b/src/store/page.tsx
@@ -0,0 +1,173 @@
+import { Component } from "react";
+import { HiDownload } from "react-icons/hi";
+
+import { PanelSectionRow, Focusable, staticClasses, DialogButton } from "decky-frontend-lib";
+
+import * as backend from "../backend";
+import { tr } from "usdpl-front";
+import { get_value, set_value } from "usdpl-front";
+
+import {
+    STORE_RESULTS,
+    VARIANTS_GEN,
+} from "../consts";
+
+export class StoreResultsPage extends Component<{onNewVariant: () => void}> {
+    constructor(props: {onNewVariant: () => void}) {
+        super(props);
+        this.state = {
+            reloadThingy: "/shrug",
+        };
+    }
+
+    render() {
+        const storeItems = get_value(STORE_RESULTS) as backend.StoreMetadata[] | undefined;
+        console.log("POWERTOOLS: Rendering store results", storeItems);
+        if (storeItems) {
+            if (storeItems.length == 0) {
+                backend.log(backend.LogLevel.Warn, "No store results; got array with length 0 from cache");
+                return (<Focusable
+                    style={{
+                        display: "flex",
+                        flexWrap: "wrap",
+                        justifyContent: "center",
+                        rowGap: "5px",
+                        columnGap: "5px",
+                        maxWidth: "100%",
+                        margin: "auto",
+                    }}
+                >
+                    { tr("No results") /* TODO translate */ }
+                </Focusable>);
+            } else {
+                // TODO
+                return (<Focusable
+                    style={{
+                        display: "flex",
+                        flexWrap: "wrap",
+                        justifyContent: "center",
+                        rowGap: "5px",
+                        columnGap: "5px",
+                        maxWidth: "100%",
+                        margin: "2em 0.5em",
+                    }}
+                >
+                    {
+                        storeItems.map((meta: backend.StoreMetadata) => (<PanelSectionRow>
+                                <Focusable style={{
+                                    display: "flex",
+                                    flexDirection: "row",
+                                    borderRadius: "1em",
+                                    maxWidth: "100%",
+                                    padding: "1em",
+                                    //borderColor: "#93b3c8", // light blue bg colour
+                                    //borderWidth: "0.1em",
+                                    //borderStyle: "solid",
+                                    margin: "0.5em",
+                                }}>
+                                    <div style={{
+                                        flexGrow: "1",
+                                        display: "flex",
+                                        flexDirection: "column",
+                                        minWidth: "0",
+                                        marginBottom: "2px",
+                                        padding: "0.25em",
+                                    }}
+                                    className={staticClasses.Text}>
+                                        <div style={{
+                                            display: "flex",
+                                            flexDirection: "row",
+                                            minWidth: "0",
+                                            fontSize: "24px",
+                                            padding: "0.25em",
+                                        }}
+                                        className={staticClasses.Text}>
+                                            { meta.name }
+                                        </div>
+                                        <div style={{
+                                            display: "flex",
+                                            flexDirection: "row",
+                                            minWidth: "0",
+                                            fontSize: "20px",
+                                            padding: "0.25em",
+                                        }}
+                                        className={staticClasses.Text}>
+                                            { tr("Created by") /* TODO translate */} { meta.steam_username }
+                                        </div>
+                                        <div style={{
+                                            display: "flex",
+                                            flexDirection: "row",
+                                            minWidth: "0",
+                                            fontSize: "16px",
+                                            padding: "0.25em",
+                                        }}>
+                                            { meta.tags.map((tag: string) => (<span style={{
+                                                    borderRadius: "1em",
+                                                    borderColor: "#dbe2e6", // main text colour
+                                                    backgroundColor: "#dbe2e6",
+                                                    color: "#1f2126", // main top image bg colour
+                                                    padding: "0.25em",
+                                                    margin: "0.25em",
+                                                    display: "flex",
+                                                    minWidth: "0",
+                                                    justifyContent: "center",
+                                                    fontSize: "12px",
+                                                    flexGrow: "1",
+                                                }}>
+                                                    {tag}
+                                                </span>)
+                                            ) }
+                                        </div>
+                                    </div>
+                                    <DialogButton
+                                        //layout="below"
+                                        style={{
+                                        minWidth: "56px",
+                                        maxWidth: "56px",
+                                        display: "flex",
+                                        flexShrink: "0",
+                                        alignSelf: "center",
+                                        padding: "1em",
+                                        margin: "0.5em",
+                                        }}
+                                        onClick={(_: MouseEvent) => {
+                                            backend.log(backend.LogLevel.Info, "Downloading settings " + meta.name + " (" + meta.id + ")");
+                                            backend.resolve(backend.storeDownloadById(meta.id),
+                                                (variants: backend.VariantInfo[]) => {
+                                                    set_value(VARIANTS_GEN, variants)
+                                                    this.props.onNewVariant();
+                                                }
+                                            );
+                                        }}
+                                    >
+                                        { /* TODO make this responsive when clicked */}
+                                        <HiDownload style={{
+                                            height: "100%",
+                                            width: "100%",
+                                        }}/>
+                                    </DialogButton>
+                                </Focusable>
+                            </PanelSectionRow>))
+                    }
+                    </Focusable>);
+            }
+
+        } else {
+            backend.log(backend.LogLevel.Warn, "Store failed to load; got null from cache");
+            // store did not pre-load when the game started
+            return (<Focusable
+                    style={{
+                        display: "flex",
+                        flexWrap: "wrap",
+                        justifyContent: "center",
+                        rowGap: "5px",
+                        columnGap: "5px",
+                        maxWidth: "100%",
+                        margin: "auto",
+                    }}
+                >
+                { tr("Store failed to load") /* TODO translate */ }
+            </Focusable>);
+        }
+    }
+}
diff --git a/translations/es-ES.mo b/translations/es-ES.mo
index d6ba246..19aaa3f 100644
Binary files a/translations/es-ES.mo and b/translations/es-ES.mo differ
diff --git a/translations/fr-CA.mo b/translations/fr-CA.mo
index f25dd78..b4ecd6e 100644
Binary files a/translations/fr-CA.mo and b/translations/fr-CA.mo differ
diff --git a/translations/fr-CA.po b/translations/fr-CA.po
index fbb09fb..3be3a46 100644
--- a/translations/fr-CA.po
+++ b/translations/fr-CA.po
@@ -49,6 +49,16 @@ msgstr "Réappliquer le profil"
 msgid "Defaults"
 msgstr "Valeurs par défaut"
 
+#: index.tsx:413
+# (Settings selection dropdown)
+msgid "Profile Variant"
+msgstr "Variante de profil"
+
+#: index.tsx:464
+# (Alternate settings profile name)
+msgid "Variant name"
+msgstr "Nom de la variante"
+
 # -- components/battery.tsx --
 # (Battery section title)
 #: components/battery.tsx:42
diff --git a/translations/fr-FR.mo b/translations/fr-FR.mo
index f25dd78..b4ecd6e 100644
Binary files a/translations/fr-FR.mo and b/translations/fr-FR.mo differ
diff --git a/translations/pt.pot b/translations/pt.pot
index 1c15573..d39e7b3 100644
--- a/translations/pt.pot
+++ b/translations/pt.pot
@@ -47,6 +47,16 @@ msgstr ""
 msgid "Defaults"
 msgstr ""
 
+#: index.tsx:413
+# (Settings selection dropdown)
+msgid "Profile Variant"
+msgstr ""
+
+#: index.tsx:464
+# (Alternate settings profile name)
+msgid "Variant name"
+msgstr ""
+
 # -- components/battery.tsx --
 
 #: components/battery.tsx:42
diff --git a/translations/ru-RU.mo b/translations/ru-RU.mo
index 30e36e2..038e12d 100644
Binary files a/translations/ru-RU.mo and b/translations/ru-RU.mo differ
diff --git a/translations/uk-UA.mo b/translations/uk-UA.mo
index cb725de..63c29b3 100644
Binary files a/translations/uk-UA.mo and b/translations/uk-UA.mo differ
diff --git a/translations/zh-CN.mo b/translations/zh-CN.mo
index 78bd0ad..334a3d5 100644
Binary files a/translations/zh-CN.mo and b/translations/zh-CN.mo differ
diff --git a/translations/zh-HK.mo b/translations/zh-HK.mo
index b31cfc2..f832bc6 100644
Binary files a/translations/zh-HK.mo and b/translations/zh-HK.mo differ