diff --git a/stratosphere/boot/source/boot_main.cpp b/stratosphere/boot/source/boot_main.cpp
index a41895e9d..68be3ca9b 100644
--- a/stratosphere/boot/source/boot_main.cpp
+++ b/stratosphere/boot/source/boot_main.cpp
@@ -46,6 +46,7 @@ extern "C" {
 
     u32 __nx_applet_type = AppletType_None;
 
+    /* TODO: Evaluate to what extent this can be reduced. */
     #define INNER_HEAP_SIZE 0x200000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;
     char   nx_inner_heap[INNER_HEAP_SIZE];
diff --git a/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp b/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp
index f6f0cbe26..b1374f8f3 100644
--- a/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp
+++ b/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp
@@ -187,12 +187,14 @@ namespace sts::dmnt::cheat::impl {
 
                     /* Learn whether we should enable cheats by default. */
                     {
-                        u8 en;
-                        if (R_SUCCEEDED(setsysGetSettingsItemValue("atmosphere", "dmnt_cheats_enabled_by_default", &en, sizeof(en)))) {
+                        u64 size_out;
+                        u8 en = 0;
+                        if (R_SUCCEEDED(setsysGetSettingsItemValue("atmosphere", "dmnt_cheats_enabled_by_default", &en, sizeof(en), &size_out))) {
                             this->enable_cheats_by_default = (en != 0);
                         }
 
-                        if (R_SUCCEEDED(setsysGetSettingsItemValue("atmosphere", "dmnt_always_save_cheat_toggles", &en, sizeof(en)))) {
+                        en = 0;
+                        if (R_SUCCEEDED(setsysGetSettingsItemValue("atmosphere", "dmnt_always_save_cheat_toggles", &en, sizeof(en), &size_out))) {
                             this->always_save_cheat_toggles = (en != 0);
                         }
                     }
diff --git a/stratosphere/fatal/source/fatal_config.cpp b/stratosphere/fatal/source/fatal_config.cpp
index 8cfd922b5..da8429568 100644
--- a/stratosphere/fatal/source/fatal_config.cpp
+++ b/stratosphere/fatal/source/fatal_config.cpp
@@ -56,16 +56,17 @@ namespace sts::fatal::srv {
         /* Get information from set. */
         setsysGetSerialNumber(this->serial_number);
         setsysGetFirmwareVersion(&this->firmware_version);
-        setsysGetFlag(SetSysFlag_Quest, &this->quest_flag);
+        setsysGetQuestFlag(&this->quest_flag);
         this->UpdateLanguageCode();
 
         /* Read information from settings. */
-        setsysGetSettingsItemValue("fatal", "transition_to_fatal", &this->transition_to_fatal, sizeof(this->transition_to_fatal));
-        setsysGetSettingsItemValue("fatal", "show_extra_info", &this->show_extra_info, sizeof(this->show_extra_info));
-        setsysGetSettingsItemValue("fatal", "quest_reboot_interval_second", &this->quest_reboot_interval_second, sizeof(this->quest_reboot_interval_second));
+        u64 set_size_out;
+        setsysGetSettingsItemValue("fatal", "transition_to_fatal", &this->transition_to_fatal, sizeof(this->transition_to_fatal), &set_size_out);
+        setsysGetSettingsItemValue("fatal", "show_extra_info", &this->show_extra_info, sizeof(this->show_extra_info), &set_size_out);
+        setsysGetSettingsItemValue("fatal", "quest_reboot_interval_second", &this->quest_reboot_interval_second, sizeof(this->quest_reboot_interval_second), &set_size_out);
 
         /* Atmosphere extension for automatic reboot. */
-        if (R_SUCCEEDED(setsysGetSettingsItemValue("atmosphere", "fatal_auto_reboot_interval", &this->fatal_auto_reboot_interval, sizeof(this->fatal_auto_reboot_interval)))) {
+        if (R_SUCCEEDED(setsysGetSettingsItemValue("atmosphere", "fatal_auto_reboot_interval", &this->fatal_auto_reboot_interval, sizeof(this->fatal_auto_reboot_interval), &set_size_out))) {
             this->fatal_auto_reboot_enabled = this->fatal_auto_reboot_interval != 0;
         }
 
diff --git a/stratosphere/fatal/source/fatal_font.cpp b/stratosphere/fatal/source/fatal_font.cpp
index c7b66f67c..67ee8880f 100644
--- a/stratosphere/fatal/source/fatal_font.cpp
+++ b/stratosphere/fatal/source/fatal_font.cpp
@@ -223,7 +223,7 @@ namespace sts::fatal::srv::font {
     }
 
     Result InitializeSharedFont() {
-        size_t total_fonts = 0;
+        s32 total_fonts = 0;
 
         R_TRY(plGetSharedFont(GetFatalConfig().GetLanguageCode(), g_fonts, PlSharedFontType_Total, &total_fonts));
         R_TRY(plGetSharedFontByType(&g_font, PlSharedFontType_Standard));
diff --git a/stratosphere/fatal/source/fatal_repair.cpp b/stratosphere/fatal/source/fatal_repair.cpp
index d3a4edbdc..39d587a7e 100644
--- a/stratosphere/fatal/source/fatal_repair.cpp
+++ b/stratosphere/fatal/source/fatal_repair.cpp
@@ -28,7 +28,7 @@ namespace sts::fatal::srv {
             }
 
             bool in_repair;
-            return R_SUCCEEDED(setsysGetFlag(SetSysFlag_InRepairProcessEnable, &in_repair)) && in_repair;
+            return R_SUCCEEDED(setsysGetInRepairProcessEnableFlag(&in_repair)) && in_repair;
         }
 
         bool IsInRepairWithoutVolHeld() {
@@ -62,12 +62,12 @@ namespace sts::fatal::srv {
 
         bool NeedsRunTimeReviser() {
             /* Before firmware 5.0.0, this wasn't implemented. */
-            if (hos::GetVersion() < hos::Version_300) {
+            if (hos::GetVersion() < hos::Version_500) {
                 return false;
             }
 
             bool requires_time_reviser;
-            return R_SUCCEEDED(setsysGetFlag(SetSysFlag_RequiresRunRepairTimeReviser, &requires_time_reviser)) && requires_time_reviser;
+            return R_SUCCEEDED(setsysGetRequiresRunRepairTimeReviser(&requires_time_reviser)) && requires_time_reviser;
         }
 
         bool IsTimeReviserCartridgeInserted() {
diff --git a/stratosphere/pm/source/impl/pm_process_manager.cpp b/stratosphere/pm/source/impl/pm_process_manager.cpp
index 881b3b689..4eaf20e77 100644
--- a/stratosphere/pm/source/impl/pm_process_manager.cpp
+++ b/stratosphere/pm/source/impl/pm_process_manager.cpp
@@ -162,6 +162,7 @@ namespace sts::pm::impl {
                     for (size_t i = 0; i < MaxProcessInfos; i++) {
                         if (!this->process_info_allocated[i]) {
                             this->process_info_allocated[i] = true;
+                            std::memset(&this->process_info_storages[i], 0, sizeof(this->process_info_storages[i]));
                             return GetPointer(this->process_info_storages[i]);
                         }
                     }
@@ -176,7 +177,6 @@ namespace sts::pm::impl {
                     STS_ASSERT(this->process_info_allocated[index]);
 
                     process_info->~ProcessInfo();
-                    std::memset(process_info, 0, sizeof(*process_info));
                     this->process_info_allocated[index] = false;
                 }
         };