[core, *] support bundled application program IDs

.patch/unordered-dense/0001-avoid-memset-when-clearing-an-empty-table.patch

@@ -0,0 +1,26 @@
+From b3622608433c183ba868a1dc8dd9cf285eb3b916 Mon Sep 17 00:00:00 2001
+From: Dario Petrillo <dario.pk1@gmail.com>
+Date: Thu, 27 Nov 2025 23:12:38 +0100
+Subject: [PATCH] avoid extra memset when clearing an empty table
+
+---
+ include/ankerl/unordered_dense.h | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/include/ankerl/unordered_dense.h b/include/ankerl/unordered_dense.h
+index 0835342..4938212 100644
+--- a/include/ankerl/unordered_dense.h
++++ b/include/ankerl/unordered_dense.h
+@@ -1490,8 +1490,10 @@ class table : public std::conditional_t<is_map_v<T>, base_table_type_map<T>, bas
+     // modifiers //////////////////////////////////////////////////////////////
+ 
+     void clear() {
+-        m_values.clear();
+-        clear_buckets();
++        if (!empty()) {
++            m_values.clear();
++            clear_buckets();
++        }
+     }
+ 
+     auto insert(value_type const& value) -> std::pair<iterator, bool> {

CMakeLists.txt

@@ -540,6 +540,7 @@ add_subdirectory(externals)
 # pass targets from externals
 # TODO(crueter): CPMUtil Propagate func?
 find_package(enet)
+find_package(unordered_dense REQUIRED)
 
 if (ARCHITECTURE_x86 OR ARCHITECTURE_x86_64)
     find_package(xbyak)

cpmfile.json

@@ -301,6 +301,17 @@
         "repo": "eden-emu/tzdb_to_nx",
         "version": "230326"
     },
+    "unordered-dense": {
+        "bundled": true,
+        "find_args": "CONFIG",
+        "hash": "d2106f6640f6bfb81755e4b8bfb64982e46ec4a507cacdb38f940123212ccf35a20b43c70c6f01d7bfb8c246d1a16f7845d8052971949cea9def1475e3fa02c8",
+        "package": "unordered_dense",
+        "patches": [
+            "0001-avoid-memset-when-clearing-an-empty-table.patch"
+        ],
+        "repo": "martinus/unordered_dense",
+        "version": "7b55cab841"
+    },
     "vulkan-headers": {
         "hash": "d2846ea228415772645eea4b52a9efd33e6a563043dd3de059e798be6391a8f0ca089f455ae420ff22574939ed0f48ed7c6ff3d5a9987d5231dbf3b3f89b484b",
         "min_version": "1.4.317",
@@ -329,10 +340,10 @@
         "version": "vulkan-sdk-%NUMERIC_VERSION%"
     },
     "xbyak": {
-        "hash": "e0aa0a603dd3ac1a39d82213df1e73c042831aec2d6b2fe382c899651eaae4ed7e8aeb6be9c41ea0097087c9d091961ab18f313cd6a9e10d621715ffd49bfe36",
+        "hash": "b6475276b2faaeb315734ea8f4f8bd87ededcee768961b39679bee547e7f3e98884d8b7851e176d861dab30a80a76e6ea302f8c111483607dde969b4797ea95a",
         "package": "xbyak",
         "repo": "herumi/xbyak",
-        "version": "v7.40.1"
+        "version": "v7.35.2"
     },
     "zlib": {
         "hash": "16fea4df307a68cf0035858abe2fd550250618a97590e202037acd18a666f57afc10f8836cbbd472d54a0e76539d0e558cb26f059d53de52ff90634bbf4f47d4",

dist/qt_themes/default/style.qss

@@ -509,8 +509,6 @@ QWidget#contentRichDialog QLabel#label_title_rich {
 }
 
 QWidget#contentDialog QLabel#label_dialog {
-    background: #2E2E2E;
-
     padding: 20px 65px;
 }
 

docs/Deps.md

@@ -80,6 +80,7 @@ Certain other dependencies will be fetched by CPM regardless. System packages *c
 * [httplib](https://github.com/yhirose/cpp-httplib) - if `ENABLE_UPDATE_CHECKER` or `ENABLE_WEB_SERVICE` are on
   * This package is known to be broken on the AUR.
 * [cpp-jwt](https://github.com/arun11299/cpp-jwt) 1.4+ - if `ENABLE_WEB_SERVICE` is on
+* [unordered-dense](https://github.com/martinus/unordered_dense)
 
 On amd64:
 
@@ -118,7 +119,7 @@ Now, install all deps:
 sudo emerge -a \
     app-arch/lz4 app-arch/zstd app-arch/unzip \
     dev-libs/libfmt dev-libs/libusb dev-libs/mcl dev-libs/sirit \
-    dev-libs/boost dev-libs/openssl dev-libs/discord-rpc \
+    dev-libs/unordered_dense dev-libs/boost dev-libs/openssl dev-libs/discord-rpc \
     dev-util/spirv-tools dev-util/spirv-headers dev-util/vulkan-headers \
     dev-util/vulkan-utility-libraries dev-util/glslang \
     media-gfx/renderdoc media-libs/libva media-libs/opus media-video/ffmpeg \
@@ -259,7 +260,7 @@ brew install molten-vk
 <details>
 <summary>FreeBSD</summary>
 
-As root run: `pkg install devel/cmake sdl3 devel/boost-libs devel/catch2 devel/libfmt devel/nlohmann-json devel/ninja devel/nasm devel/autoconf devel/pkgconf devel/qt6-base devel/qt6-charts devel/simpleini net/enet multimedia/ffnvcodec-headers multimedia/ffmpeg audio/opus archivers/liblz4 lang/gcc12 graphics/glslang graphics/vulkan-utility-libraries graphics/spirv-tools www/cpp-httplib vulkan-headers quazip-qt6`
+As root run: `pkg install devel/cmake sdl3 devel/boost-libs devel/catch2 devel/libfmt devel/nlohmann-json devel/ninja devel/nasm devel/autoconf devel/pkgconf devel/qt6-base devel/qt6-charts devel/simpleini net/enet multimedia/ffnvcodec-headers multimedia/ffmpeg audio/opus archivers/liblz4 lang/gcc12 graphics/glslang graphics/vulkan-utility-libraries graphics/spirv-tools www/cpp-httplib devel/unordered-dense vulkan-headers quazip-qt6`
 
 If using FreeBSD 12 or prior, use `devel/pkg-config` instead.
 
@@ -293,7 +294,7 @@ pkg_add cmake nasm git boost unzip--iconv autoconf-2.72p0 bash ffmpeg glslang gm
 <summary>DragonFlyBSD</summary>
 
 ```sh
-pkg install gcc14 git cmake unzip nasm autoconf bash pkgconf ffmpeg glslang gmake jq nlohmann-json enet spirv-tools sdl3 vulkan-utility-libraries vulkan-headers catch2 libfmt openssl liblz4 boost-libs cpp-httplib qt6-base qt6-charts quazip-qt6  libva-vdpau-driver libva-utils libva-intel-driver
+pkg install gcc14 git cmake unzip nasm autoconf bash pkgconf ffmpeg glslang gmake jq nlohmann-json enet spirv-tools sdl3 vulkan-utility-libraries vulkan-headers catch2 libfmt openssl liblz4 boost-libs cpp-httplib qt6-base qt6-charts quazip-qt6 unordered-dense libva-vdpau-driver libva-utils libva-intel-driver
 ```
 
 [Caveats](./Caveats.md#dragonflybsd).
@@ -327,7 +328,7 @@ sudo pkgin install git cmake autoconf build-essential libusb-1 nasm gcc13
 
 ```sh
 BASE="git make autoconf libtool automake-wrapper jq patch"
-MINGW="qt6-base qt6-charts qt6-tools qt6-translations qt6-svg cmake toolchain clang python-pip openssl vulkan-memory-allocator vulkan-devel glslang boost fmt lz4 nlohmann-json zlib zstd enet opus libusb openssl SDL3"
+MINGW="qt6-base qt6-charts qt6-tools qt6-translations qt6-svg cmake toolchain clang python-pip openssl vulkan-memory-allocator vulkan-devel glslang boost fmt lz4 nlohmann-json zlib zstd enet opus libusb unordered_dense openssl SDL3"
 # Either x86_64 or clang-aarch64 (Windows on ARM)
 packages="$BASE"
 for pkg in $MINGW; do

docs/Settings.md

@@ -43,7 +43,6 @@ This guide will walk you through adding a new boolean toggle setting to Eden's c
 Firstly add your desired toggle:
 
 Example: `src/common/setting.h`
-
 ```cpp
 SwitchableSetting<bool> your_setting_name{linkage, false, "your_setting_name", Category::RendererExtensions};
 ```
@@ -68,7 +67,6 @@ Common Categories:
 Add the toggle to the Qt UI, where you wish for it to appear and place it there.
 
 Example: `src/qt_common/config/shared_translation.cpp`
-
 ```cpp
 INSERT(Settings,
        your_setting_name,
@@ -93,7 +91,6 @@ INSERT(Settings,
 Add where it should be in the settings.
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt`
-
 ```kts
 RENDERER_YOUR_SETTING_NAME("your_setting_name"),
 ```
@@ -109,7 +106,6 @@ RENDERER_YOUR_SETTING_NAME("your_setting_name"),
 Add the toggle to the Kotlin (Android) UI
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt`
-
 ```kts
 put(
     SwitchSetting(
@@ -127,7 +123,6 @@ put(
 Add your setting within the right category.
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt`
-
 ```kts
 add(BooleanSetting.RENDERER_YOUR_SETTING_NAME.key)
 ```
@@ -142,7 +137,6 @@ add(BooleanSetting.RENDERER_YOUR_SETTING_NAME.key)
 Add your setting and description in the appropriate place.
 
 Example: `src/android/app/src/main/res/values/strings.xml`
-
 ```xml
 <string name="your_setting_name">Your Setting Display Name</string>
 <string name="your_setting_name_description">Detailed description of what this setting does. Explain any caveats, requirements, or warnings here.</string>
@@ -156,7 +150,6 @@ Now the UI part is done find a place in the code for the toggle,
 And use it to your heart's desire!
 
 Example:
-
 ```cpp
 const bool your_value = Settings::values.your_setting_name.GetValue();
 
@@ -203,31 +196,25 @@ Common advantages recap:
 
 #### Accessing Debug Knobs (dev side)
 
-Use the `Settings::GetDebugKnobAt(u8 i)` function to check if a specific bit is set:
+Use the `Settings::getDebugKnobAt(u8 i)` function to check if a specific bit is set:
 
 ```cpp
 //cpp side
 #include "common/settings.h"
 
-//To use it as a general purpose uint var:
-unsigned int debug_knobs = Settings::values.debug_knobs.GetValue();
-
 // Check if bit 0 is set
-bool feature_enabled = Settings::GetDebugKnobAt(0);
+bool feature_enabled = Settings::getDebugKnobAt(0);
 
 // Check if bit 15 is set
-bool another_feature = Settings::GetDebugKnobAt(15);
+bool another_feature = Settings::getDebugKnobAt(15);
 ```
 
 ```kts
 //kotlin side
 import org.yuzu.yuzu_emu.features.settings.model.Settings
 
-//To use it as a general purpose uint var
-val debug_knobs: Int = UShortSetting.DEBUG_KNOBS.getInt()
-
 // Check if bit x is set
-bool feature_enabled = Settings.GetDebugKnobAt(x); //x as integer from 0 to 15
+bool feature_enabled = Settings.getDebugKnobAt(x); //x as integer from 0 to 15
 ```
 
 The function returns `true` if the specified bit (0-15) is set in the `debug_knobs` value, `false` otherwise.
@@ -260,7 +247,6 @@ There are two main confusions when talking about knobs:
 Sometimes when an user reports: knobs 1 and 2 gets better performance, dev may get confuse whether he means the knobs 1 and 2 literally, or the 1st and 2nd knobs (knobs 0 and 1).
 
 Debug knobs are **zero-based**, which means:
-
 * The first knob is the knob(0) (or knob0 henceforth), and the last one is the 15 (knob15, likewise)
 * You can talk: "knob0 is enabled/disabled", "In this video i was using only knobs 0 and 2", etc.
 
@@ -273,7 +259,6 @@ Whenever you're instructing tests or reporting results, be precise about whether
 
 ALWAYS use the word in PLURAL (knobs), without mentioning which one, to refer to the setting, aka multiple knobs at once:
 Examples:
-
 - **knobs=0**: no knobs enabled
 - **knobs=1**: knob0 enabled, others disabled
 - **knobs=2**: knob1 enabled, others disabled
@@ -285,7 +270,6 @@ Examples:
 
 Use the word in SINGULAR (knob), or in plural but referring which ones, when meaning multiple knobs at once:
 Examples:
-
 - **knob0**: knob 0 enabled, others disabled
 - **knob1**: knob 1 enabled, others disabled
 - **knobs 0 and 1**: knobs 0 and 1 enabled, others disabled
@@ -298,12 +282,12 @@ Examples:
 
 ```cpp
 void SomeFunction() {
-    if (Settings::GetDebugKnobAt(0)) {
+    if (Settings::getDebugKnobAt(0)) {
         LOG_DEBUG(Common, "Debug feature 0 is enabled");
         // Additional debug code here
     }
-  
+    
-    if (Settings::GetDebugKnobAt(1)) {
+    if (Settings::getDebugKnobAt(1)) {
         LOG_DEBUG(Common, "Debug feature 1 is enabled");
         // Different debug behavior
     }
@@ -315,7 +299,7 @@ void SomeFunction() {
 ```cpp
 bool UseOptimizedPath() {
     // Skip optimization if debug bit 2 is set for testing
-    return !Settings::GetDebugKnobAt(2);
+    return !Settings::getDebugKnobAt(2);
 }
 ```
 
@@ -324,13 +308,13 @@ bool UseOptimizedPath() {
 ```cpp
 void ExperimentalFeature() {
     static constexpr u8 EXPERIMENTAL_FEATURE_BIT = 3;
-  
+    
-    if (!Settings::GetDebugKnobAt(EXPERIMENTAL_FEATURE_BIT)) {
+    if (!Settings::getDebugKnobAt(EXPERIMENTAL_FEATURE_BIT)) {
         // Fallback to stable implementation
         StableImplementation();
         return;
     }
-  
+    
     // Experimental implementation
     ExperimentalImplementation();
 }

docs/dynarmic/README.md

@@ -308,6 +308,31 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 ```
 
+### unordered_dense
+
+```
+MIT License
+
+Copyright (c) 2022 Martin Leitner-Ankerl
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```
 
 ### xbyak
 

externals/CMakeLists.txt

@@ -58,6 +58,9 @@ if (WIN32 AND NOT TARGET LLVM::Demangle)
     add_library(LLVM::Demangle ALIAS demangle)
 endif()
 
+# unordered_dense
+AddJsonPackage(unordered-dense)
+
 # httplib
 if (IOS)
     set(HTTPLIB_USE_BROTLI_IF_AVAILABLE OFF)

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -220,7 +220,7 @@ object NativeLibrary {
 
     external fun refreshThreadPolicies()
 
-    external fun GetDebugKnobAt(index: Int): Boolean
+    external fun getDebugKnobAt(index: Int): Boolean
 
     /**
      * Set the current speed limit to the configured turbo speed.

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/Settings.kt

@@ -35,8 +35,8 @@ object Settings {
     fun getPlayerString(player: Int): String =
         YuzuApplication.appContext.getString(R.string.preferences_player, player)
 
-    fun GetDebugKnobAt(index: Int): Boolean {
+    fun getDebugKnobAt(index: Int): Boolean {
-        return org.yuzu.yuzu_emu.NativeLibrary.GetDebugKnobAt(index)
+        return org.yuzu.yuzu_emu.NativeLibrary.getDebugKnobAt(index)
     }
 
     const val PREF_FIRST_APP_LAUNCH = "FirstApplicationLaunch"

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/ShortSetting.kt

@@ -11,7 +11,8 @@ import org.yuzu.yuzu_emu.utils.NativeConfig
 enum class ShortSetting(override val key: String) : AbstractShortSetting {
     RENDERER_SPEED_LIMIT("speed_limit"),
     RENDERER_TURBO_SPEED_LIMIT("turbo_speed_limit"),
-    RENDERER_SLOW_SPEED_LIMIT("slow_speed_limit")
+    RENDERER_SLOW_SPEED_LIMIT("slow_speed_limit"),
+    DEBUG_KNOBS("debug_knobs")
     ;
 
     override fun getShort(needsGlobal: Boolean): Short = NativeConfig.getShort(key, needsGlobal)
@@ -28,4 +29,4 @@ enum class ShortSetting(override val key: String) : AbstractShortSetting {
     override fun getValueAsString(needsGlobal: Boolean): String = getShort(needsGlobal).toString()
 
     override fun reset() = NativeConfig.setShort(key, defaultValue)
-}
+}

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/UShortSetting.kt

@@ -1,27 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-package org.yuzu.yuzu_emu.features.settings.model
-
-import org.yuzu.yuzu_emu.utils.NativeConfig
-
-enum class UShortSetting(override val key: String) : AbstractIntSetting {
-    DEBUG_KNOBS("debug_knobs")
-    ;
-
-    override fun getInt(needsGlobal: Boolean): Int =
-        NativeConfig.getUnsignedShort(key, needsGlobal)
-
-    override fun setInt(value: Int) {
-        if (NativeConfig.isPerGameConfigLoaded()) {
-            global = false
-        }
-        NativeConfig.setUnsignedShort(key, value)
-    }
-
-    override val defaultValue: Int by lazy { NativeConfig.getDefaultToString(key).toInt() }
-
-    override fun getValueAsString(needsGlobal: Boolean): String = getInt(needsGlobal).toString()
-
-    override fun reset() = NativeConfig.setUnsignedShort(key, defaultValue)
-}

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt

@@ -20,7 +20,6 @@ import org.yuzu.yuzu_emu.features.settings.model.IntSetting
 import org.yuzu.yuzu_emu.features.settings.model.LongSetting
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
-import org.yuzu.yuzu_emu.features.settings.model.UShortSetting
 import org.yuzu.yuzu_emu.network.NetDataValidators
 import org.yuzu.yuzu_emu.utils.LosslessScalingHelper
 import org.yuzu.yuzu_emu.utils.NativeConfig
@@ -1035,7 +1034,7 @@ abstract class SettingsItem(
             )
             put(
                 SpinBoxSetting(
-                    UShortSetting.DEBUG_KNOBS,
+                    ShortSetting.DEBUG_KNOBS,
                     titleId = R.string.debug_knobs,
                     descriptionId = R.string.debug_knobs_description,
                     valueHint = R.string.debug_knobs_hint,

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -25,7 +25,6 @@ import org.yuzu.yuzu_emu.features.settings.model.Settings
 import org.yuzu.yuzu_emu.features.settings.model.Settings.MenuTag
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
-import org.yuzu.yuzu_emu.features.settings.model.UShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.*
 import org.yuzu.yuzu_emu.utils.InputHandler
 import org.yuzu.yuzu_emu.utils.LosslessScalingHelper
@@ -1327,7 +1326,7 @@ class SettingsFragmentPresenter(
 
             add(HeaderSetting(R.string.general))
 
-            add(UShortSetting.DEBUG_KNOBS.key)
+            add(ShortSetting.DEBUG_KNOBS.key)
             add(StringSetting.PROGRAM_ARGS.key)
 
             if (!NativeConfig.isPerGameConfigLoaded()) {

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/utils/SettingsFile.kt

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -24,6 +27,6 @@ object SettingsFile {
 
     fun loadCustomConfig(game: Game) {
         val fileName = FileUtil.getFilename(Uri.parse(game.path))
-        NativeConfig.initializePerGameConfig(game.programId, fileName)
+        NativeConfig.initializePerGameConfig(game.applicationId, fileName)
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/AddonsFragment.kt

@@ -189,7 +189,7 @@ class AddonsFragment : Fragment() {
                 fragmentManager = parentFragmentManager,
                 addonViewModel = addonViewModel,
                 documents = documents,
-                programId = args.game.programId
+                programId = args.game.applicationId
             )
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -347,7 +347,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         }
         try {
             if (GpuDriverHelper.isAdrenoGpu()) {
-                val programIdHex = game!!.programIdHex
+                val programIdHex = game!!.applicationIdHex
                 if (NativeFreedrenoConfig.loadPerGameConfigWithGlobalFallback(programIdHex)) {
                     Log.info("[EmulationFragment] Loaded per-game Freedreno config for $programIdHex")
                 } else {

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/FreedrenoSettingsFragment.kt

@@ -59,7 +59,7 @@ class FreedrenoSettingsFragment : Fragment() {
         NativeFreedrenoConfig.initializeFreedrenoConfig()
 
         if (isPerGameConfig) {
-            NativeFreedrenoConfig.loadPerGameConfig(game!!.programIdHex)
+            NativeFreedrenoConfig.loadPerGameConfig(game!!.applicationIdHex)
         } else {
             NativeFreedrenoConfig.reloadFreedrenoConfig()
         }
@@ -157,7 +157,7 @@ class FreedrenoSettingsFragment : Fragment() {
 
         binding.buttonSave.setOnClickListener {
             if (isPerGameConfig) {
-                NativeFreedrenoConfig.savePerGameConfig(game!!.programIdHex)
+                NativeFreedrenoConfig.savePerGameConfig(game!!.applicationIdHex)
                 showSnackbar(getString(R.string.freedreno_per_game_saved))
             } else {
                 NativeFreedrenoConfig.saveFreedrenoConfig()

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/GamePropertiesFragment.kt

@@ -455,7 +455,7 @@ class GamePropertiesFragment : Fragment() {
 
                 val shaderCacheDir = File(
                     DirectoryInitialization.userDirectory +
-                        "/cache/shader/" + args.game.settingsName.lowercase()
+                        "/cache/shader/" + args.game.shaderCacheName.lowercase()
                 )
                 if (shaderCacheDir.exists()) {
                     add(
@@ -600,7 +600,7 @@ class GamePropertiesFragment : Fragment() {
                     val files = cacheSaveDir.listFiles()
                     var savesFolderFile: File? = null
                     if (files != null) {
-                        val savesFolderName = args.game.programIdHex
+                        val savesFolderName = args.game.applicationIdHex
                         for (file in files) {
                             if (file.isDirectory && file.name == savesFolderName) {
                                 savesFolderFile = file

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/InstallableFragment.kt

@@ -232,7 +232,7 @@ class InstallableFragment : Fragment() {
                 fragmentManager = parentFragmentManager,
                 addonViewModel = addonViewModel,
                 documents = documents,
-                programId = addonViewModel.game?.programId
+                programId = addonViewModel.game?.applicationId
             )
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/AddonViewModel.kt

@@ -142,10 +142,11 @@ class AddonViewModel : ViewModel() {
     }
 
     fun onDeleteAddon(patch: Patch) {
+        val currentGame = game ?: return
         when (PatchType.from(patch.type)) {
-            PatchType.Update -> NativeLibrary.removeUpdate(patch.programId)
+            PatchType.Update -> NativeLibrary.removeUpdate(currentGame.programId)
-            PatchType.DLC -> NativeLibrary.removeDLC(patch.programId)
+            PatchType.DLC -> NativeLibrary.removeDLC(currentGame.applicationId)
-            PatchType.Mod -> NativeLibrary.removeMod(patch.programId, patch.name)
+            PatchType.Mod -> NativeLibrary.removeMod(currentGame.programId, patch.name)
         }
         refreshAddons(force = true)
     }
@@ -165,7 +166,7 @@ class AddonViewModel : ViewModel() {
         }
 
         NativeConfig.setDisabledAddons(
-            currentGame.programId,
+            currentGame.applicationId,
             currentList.mapNotNull {
                 if (it.enabled) {
                     null
@@ -199,6 +200,6 @@ class AddonViewModel : ViewModel() {
     }
 
     private fun gameKey(game: Game): String {
-        return "${game.programId}|${game.path}"
+        return "${game.applicationId}|${game.path}"
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/DriverViewModel.kt

@@ -150,7 +150,7 @@ class DriverViewModel : ViewModel() {
                     ?: return@withContext
                 val shaderDir = File(
                     externalFilesDir.absolutePath +
-                    "/shader/" + game.settingsName.lowercase()
+                    "/shader/" + game.shaderCacheName.lowercase()
                 )
                 if (shaderDir.exists()) {
                     shaderDir.deleteRecursively()

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/Game.kt

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
@@ -35,19 +35,26 @@ class Game(
     val keyAddedToLibraryTime get() = "${path}_AddedToLibraryTime"
     val keyLastPlayedTime get() = "${path}_LastPlayed"
 
+    private val programIdLong: Long
+        get() = programId.toLongOrNull() ?: 0L
+
+    private val applicationIdLong: Long
+        get() = programIdLong and -8192L
+
+    val applicationId: String
+        get() = applicationIdLong.toString()
+
     val settingsName: String
         get() {
-            val programIdLong = programId.toLong()
+            return if (applicationIdLong == 0L) {
-            return if (programIdLong == 0L) {
                 FileUtil.getFilename(Uri.parse(path))
             } else {
-                "0" + programIdLong.toString(16).uppercase()
+                "0" + applicationIdLong.toString(16).uppercase()
             }
         }
 
     val programIdHex: String
         get() {
-            val programIdLong = programId.toLong()
             return if (programIdLong == 0L) {
                 "0"
             } else {
@@ -55,16 +62,32 @@ class Game(
             }
         }
 
+    val shaderCacheName: String
+        get() = if (programIdLong == 0L) {
+            FileUtil.getFilename(Uri.parse(path))
+        } else {
+            "0" + programIdLong.toString(16).uppercase()
+        }
+
+    val applicationIdHex: String
+        get() {
+            return if (applicationIdLong == 0L) {
+                "0"
+            } else {
+                "0" + applicationIdLong.toString(16).uppercase()
+            }
+        }
+
     val saveZipName: String
         get() = "$title ${YuzuApplication.appContext.getString(R.string.save_data).lowercase()} - ${
         LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"))
         }.zip"
 
     val saveDir: String
-        get() = NativeConfig.getSaveDir() + NativeLibrary.getSavePath(programId)
+        get() = NativeConfig.getSaveDir() + NativeLibrary.getSavePath(applicationId)
 
     val addonDir: String
-        get() = DirectoryInitialization.userDirectory + "/load/" + programIdHex + "/"
+        get() = DirectoryInitialization.userDirectory + "/load/" + applicationIdHex + "/"
 
     val launchIntent: Intent
         get() = Intent(YuzuApplication.appContext, EmulationActivity::class.java).apply {

src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/GamesFragment.kt

@@ -47,6 +47,7 @@ import info.debatty.java.stringsimilarity.Jaccard
 import info.debatty.java.stringsimilarity.JaroWinkler
 import java.util.Locale
 import androidx.core.content.edit
+import androidx.core.view.doOnNextLayout
 
 class GamesFragment : Fragment() {
     private var _binding: FragmentGamesBinding? = null
@@ -58,6 +59,7 @@ class GamesFragment : Fragment() {
     private var originalHeaderLeftMargin: Int? = null
 
     private var lastViewType: Int = GameAdapter.VIEW_TYPE_GRID
+    private var fallbackBottomInset: Int = 0
     private var pendingPostReloadListSettle = false
     private var pendingPostReloadListSettleGeneration = 0
     private var gameListSubmitGeneration = 0
@@ -225,7 +227,12 @@ class GamesFragment : Fragment() {
                 }
                 else -> throw IllegalArgumentException("Invalid view type: $savedViewType")
             }
-            if (savedViewType != GameAdapter.VIEW_TYPE_CAROUSEL) {
+            if (savedViewType == GameAdapter.VIEW_TYPE_CAROUSEL) {
+                (binding.gridGames as? View)?.let { it -> ViewCompat.requestApplyInsets(it)}
+                doOnNextLayout { //Carousel: important to avoid overlap issues
+                    (this as? CarouselRecyclerView)?.notifyLaidOut(fallbackBottomInset)
+                }
+            } else {
                 (this as? CarouselRecyclerView)?.setupCarousel(false)
             }
             adapter = gameAdapter
@@ -583,6 +590,11 @@ class GamesFragment : Fragment() {
                 qlaunchButton.layoutParams = mlpQLaunch
             }
 
+            val navInsets = windowInsets.getInsets(WindowInsetsCompat.Type.navigationBars())
+            val gestureInsets = windowInsets.getInsets(WindowInsetsCompat.Type.systemGestures())
+            val bottomInset = maxOf(navInsets.bottom, gestureInsets.bottom, cutoutInsets.bottom)
+            fallbackBottomInset = bottomInset
+            (binding.gridGames as? CarouselRecyclerView)?.notifyInsetsReady(bottomInset)
             windowInsets
         }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/CustomSettingsHandler.kt

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
@@ -65,7 +65,7 @@ object CustomSettingsHandler {
         // Initialize per-game config
         try {
             val fileName = FileUtil.getFilename(Uri.parse(game.path))
-            NativeConfig.initializePerGameConfig(game.programId, fileName)
+            NativeConfig.initializePerGameConfig(game.applicationId, fileName)
             Log.info("[CustomSettingsHandler] Successfully applied custom settings")
             return game
         } catch (e: Exception) {
@@ -333,20 +333,20 @@ object CustomSettingsHandler {
      */
     fun findGameByTitleId(titleId: String, context: Context): Game? {
         Log.info("[CustomSettingsHandler] Searching for game with title ID: $titleId")
-        // Convert hex title ID to decimal for comparison with programId
+        // Convert the program ID to the application ID used by per-game settings.
-        val programIdDecimal = try {
+        val applicationIdLong = try {
-            titleId.toLong(16).toString()
+            titleId.toLong(16) and -8192L
         } catch (e: NumberFormatException) {
             Log.error("[CustomSettingsHandler] Invalid title ID format: $titleId")
             return null
         }
+        val applicationIdDecimal = applicationIdLong.toString()
 
         // Expected hex format with "0" prefix
-        val expectedHex = "0${titleId.uppercase()}"
+        val expectedHex = "0${applicationIdLong.toString(16).uppercase()}"
         // First check cached games for fast lookup
         GameHelper.cachedGameList.find { game ->
-            game.programId == programIdDecimal ||
+            game.applicationId == applicationIdDecimal || game.applicationIdHex.equals(expectedHex, ignoreCase = true)
-                game.programIdHex.equals(expectedHex, ignoreCase = true)
         }?.let { foundGame ->
             Log.info("[CustomSettingsHandler] Found game in cache: ${foundGame.title}")
             return foundGame
@@ -355,8 +355,7 @@ object CustomSettingsHandler {
         Log.info("[CustomSettingsHandler] Game not in cache, scanning full library...")
         val allGames = GameHelper.getGames()
         val foundGame = allGames.find { game ->
-            game.programId == programIdDecimal ||
+            game.applicationId == applicationIdDecimal || game.applicationIdHex.equals(expectedHex, ignoreCase = true)
-                game.programIdHex.equals(expectedHex, ignoreCase = true)
         }
         if (foundGame != null) {
             Log.info("[CustomSettingsHandler] Found game: ${foundGame.title} at ${foundGame.path}")

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/GameHelper.kt

@@ -170,12 +170,12 @@ object GameHelper {
                     val game = getGame(it.uri, true, false)
                     if (game != null) {
                         games.add(game)
-                        if (game.programId != "0") {
+                        if (game.applicationId != "0") {
-                            gamesByProgramId[game.programId] = game
+                            gamesByProgramId[game.applicationId] = game
                         }
                     } else if (mountedContainer) {
                         GameMetadata.getProgramId(filePath).toLongOrNull()?.let { programId ->
-                            gamesByProgramId[(programId and 0x800L.inv()).toString()]
+                            gamesByProgramId[(programId and -8192L).toString()]
                         }?.let { existingGame ->
                             NativeLibrary.getPatchesForFile(existingGame.path, existingGame.programId)
                             existingGame.version = GameMetadata.getVersion(

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/NativeConfig.kt

@@ -80,12 +80,6 @@ object NativeConfig {
     @Synchronized
     external fun setShort(key: String, value: Short)
 
-    @Synchronized
-    external fun getUnsignedShort(key: String, needsGlobal: Boolean): Int
-
-    @Synchronized
-    external fun setUnsignedShort(key: String, value: Int)
-
     @Synchronized
     external fun getInt(key: String, needsGlobal: Boolean): Int
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/views/CarouselRecyclerView.kt

@@ -12,16 +12,13 @@ import androidx.recyclerview.widget.PagerSnapHelper
 import androidx.recyclerview.widget.RecyclerView
 import kotlin.math.abs
 import kotlin.math.cos
-import kotlin.math.pow
 import kotlin.math.sin
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.adapters.GameAdapter
 import androidx.core.view.doOnNextLayout
-import androidx.core.view.ViewCompat
 import org.yuzu.yuzu_emu.YuzuApplication
 import androidx.preference.PreferenceManager
 import androidx.core.view.WindowInsetsCompat
-import org.yuzu.yuzu_emu.utils.FullscreenHelper
 /**
  * CarouselRecyclerView encapsulates all carousel content for the games UI.
  * It manages overlapping cards, center snapping, custom drawing order,
@@ -35,9 +32,7 @@ class CarouselRecyclerView @JvmOverloads constructor(
 
     private var overlapFactor: Float = 0f
     private var overlapPx: Int = 0
-    private var bottomInset: Int = 0
+    private var bottomInset: Int = -1
-    private var latestWindowInsets: WindowInsetsCompat? = null
-    private var cardGeometryInitialized: Boolean = false
     private var overlapDecoration: OverlappingDecoration? = null
     private var pagerSnapHelper: PagerSnapHelper? = null
     private var scalingScrollListener: OnScrollListener? = null
@@ -96,38 +91,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
 
     init {
         setChildrenDrawingOrderEnabled(true)
-        ViewCompat.setOnApplyWindowInsetsListener(this) { _, insets ->
-            latestWindowInsets = insets
-            updateCardGeometry()
-            applyCarouselPadding()
-            insets
-        }
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        ViewCompat.requestApplyInsets(this)
-    }
-
-    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
-        super.onSizeChanged(w, h, oldw, oldh)
-        if (w != oldw || h != oldh) {
-            updateCardGeometry()
-            applyCarouselPadding()
-        }
-    }
-
-    override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
-        super.onLayout(changed, left, top, right, bottom)
-        if (isCarouselMode) updateChildScalesAndAlpha()
-    }
-
-    override fun onWindowFocusChanged(hasFocus: Boolean) {
-        super.onWindowFocusChanged(hasFocus)
-        if (hasFocus) {
-            ViewCompat.requestApplyInsets(this)
-            post { updateCardGeometry() }
-        }
     }
 
     override fun setAdapter(adapter: Adapter<*>?) {
@@ -140,8 +103,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
         super.setAdapter(adapter)
 
         (adapter as? GameAdapter)?.registerAdapterDataObserver(carouselAdapterObserver)
-        updateCardGeometry()
-        applyCarouselPadding()
     }
 
     private fun calculateCenter(width: Int, paddingStart: Int, paddingEnd: Int): Int {
@@ -292,71 +253,40 @@ class CarouselRecyclerView @JvmOverloads constructor(
         }
     }
 
-    private fun resolveBottomInset(windowInsets: WindowInsetsCompat): Int {
+    fun notifyInsetsReady(newBottomInset: Int) {
-        val navigationBottom = if (FullscreenHelper.isFullscreenEnabled(context)) {
+        if (bottomInset != newBottomInset) {
-            0
+            bottomInset = newBottomInset
-        } else {
+        }
-            windowInsets.getInsetsIgnoringVisibility(WindowInsetsCompat.Type.navigationBars()).bottom
+
+        if (isCarouselMode) {
+            setupCarousel(true)
+        } else {
+            setupCarousel(false)
         }
-        val gestureInsets = windowInsets.getInsetsIgnoringVisibility(
-            WindowInsetsCompat.Type.systemGestures()
-        )
-        val cutoutInsets = windowInsets.getInsetsIgnoringVisibility(
-            WindowInsetsCompat.Type.displayCutout()
-        )
-        return maxOf(navigationBottom, gestureInsets.bottom, cutoutInsets.bottom)
     }
 
-    private fun updateCardGeometry() {
+    fun notifyLaidOut(fallBackBottomInset: Int) {
-        if (!isCarouselMode || height <= 0) return
+        if (bottomInset < 0) bottomInset = fallBackBottomInset
+        var gameAdapter = adapter as? GameAdapter ?: return
+        var newCardSize = cardSize(bottomInset)
+        if (gameAdapter.cardSize != newCardSize) {
+            gameAdapter.setCardSize(newCardSize)
+        }
 
-        val gameAdapter = adapter as? GameAdapter ?: return
+        if (isCarouselMode) {
-        val windowInsets = latestWindowInsets ?: ViewCompat.getRootWindowInsets(this) ?: return
+            setupCarousel(true)
+        }
+    }
 
-        if (cardGeometryInitialized && !hasWindowFocus()) return
+    fun cardSize(bottomInset: Int): Int {
-
-        val newBottomInset = resolveBottomInset(windowInsets).coerceIn(0, height)
         val internalFactor = resources.getFraction(R.fraction.carousel_card_size_factor, 1, 1)
         val userFactor = preferences.getFloat(CAROUSEL_CARD_SIZE_FACTOR, internalFactor).coerceIn(
             0f,
             1f
         )
-        val screenWidth = resources.displayMetrics.widthPixels.toFloat()
+        val scaledHeight = height * userFactor
-        val screenHeight = resources.displayMetrics.heightPixels.toFloat()
+        val availableHeight = height - bottomInset
-        val aspectFactor = ((screenWidth / screenHeight) / (20f / 9f))
+        return minOf(scaledHeight.toInt(), availableHeight.toInt())
-            .pow(0.75f)
-            .coerceIn(0.5f, 1f)
-        val newCardSize = minOf(
-            (height * userFactor).toInt(),
-            height - newBottomInset,
-            (height * aspectFactor).toInt()
-        )
-        if (newCardSize <= 0) return
-        val insetChanged = bottomInset != newBottomInset
-        val cardSizeChanged = gameAdapter.cardSize != newCardSize
-
-        bottomInset = newBottomInset
-        cardGeometryInitialized = true
-
-        if (cardSizeChanged) gameAdapter.setCardSize(newCardSize)
-        if (insetChanged || cardSizeChanged) setupCarousel(true)
-    }
-
-    private fun applyCarouselPadding() {
-        if (!isCarouselMode) return
-
-        val gameAdapter = adapter as? GameAdapter ?: return
-        val cardSize = gameAdapter.cardSize
-        if (cardSize <= 0 || bottomInset < 0) return
-
-        val topPadding = ((height - bottomInset - cardSize) / 2).coerceAtLeast(0)
-        val sidePadding = (width - cardSize) / 2
-        if (paddingLeft != sidePadding || paddingTop != topPadding ||
-            paddingRight != sidePadding || paddingBottom != 0
-        ) {
-            setPadding(sidePadding, topPadding, sidePadding, 0)
-        }
-        clipToPadding = false
     }
 
     fun setupCarousel(enabled: Boolean) {
@@ -385,6 +315,9 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 internalFlingMultiplier
             ).coerceIn(1f, 5f)
 
+            // Detach SnapHelper during setup
+            pagerSnapHelper?.attachToRecyclerView(null)
+
             // Add overlap decoration if not present
             if (overlapDecoration == null) {
                 overlapDecoration = OverlappingDecoration(overlapPx)
@@ -402,7 +335,12 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 addOnScrollListener(scalingScrollListener!!)
             }
 
-            applyCarouselPadding()
+            if (cardSize > 0) {
+                val topPadding = ((height - bottomInset - cardSize) / 2).coerceAtLeast(0) // Center vertically
+                val sidePadding = (width - cardSize) / 2 // Center first/last card
+                setPadding(sidePadding, topPadding, sidePadding, 0)
+                clipToPadding = false
+            }
 
             if (pagerSnapHelper == null) {
                 pagerSnapHelper = CenterPagerSnapHelper()
@@ -424,7 +362,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 }
                 savedItemAnimator = null
             }
-            cardGeometryInitialized = false
             useCustomDrawingOrder = false
             // Reset padding and fling
             setPadding(0, 0, 0, 0)

src/android/app/src/main/jni/game_metadata.cpp

@@ -20,7 +20,7 @@ struct RomMetadata {
     std::vector<u8> icon;
     bool isHomebrew;
 };
-static boost::unordered::unordered_flat_map<std::string, RomMetadata> m_rom_metadata_cache;
+static ankerl::unordered_dense::map<std::string, RomMetadata> m_rom_metadata_cache;
 
 static RomMetadata CacheRomMetadata(const std::string& path) {
     auto& instance = EmulationSession::GetInstance();

src/android/app/src/main/jni/native.cpp

@@ -788,7 +788,7 @@ int Java_org_yuzu_yuzu_1emu_NativeLibrary_installFileToNand(JNIEnv* env, jobject
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_doesUpdateMatchProgram(JNIEnv* env, jobject jobj,
                                                                       jstring jprogramId,
                                                                       jstring jupdatePath) {
-    u64 program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const u64 program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     std::string updatePath = Common::Android::GetJString(env, jupdatePath);
     std::shared_ptr<FileSys::NSP> nsp = std::make_shared<FileSys::NSP>(
         EmulationSession::GetInstance().System().GetFilesystem()->OpenFile(
@@ -796,7 +796,7 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_doesUpdateMatchProgram(JNIEnv* en
     for (const auto& item : nsp->GetNCAs()) {
         for (const auto& nca_details : item.second) {
             if (nca_details.second->GetName().ends_with(".cnmt.nca")) {
-                auto update_id = nca_details.second->GetTitleId() & ~0xFFFULL;
+                const auto update_id = FileSys::GetBaseTitleID(nca_details.second->GetTitleId());
                 if (update_id == program_id) {
                     return true;
                 }
@@ -1300,8 +1300,8 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_refreshThreadPolicies(JNIEnv* env, jo
     Common::RefreshThreadPolicies();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_GetDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_getDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
-    return static_cast<jboolean>(Settings::GetDebugKnobAt(static_cast<u8>(index)));
+    return static_cast<jboolean>(Settings::getDebugKnobAt(static_cast<u8>(index)));
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_setTurboSpeedLimit(JNIEnv *env, jobject jobj, jboolean enabled) {
@@ -1491,7 +1491,7 @@ jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_firmwareVersion(JNIEnv* env, jclas
 }
 
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_gameRequiresFirmware(JNIEnv* env, jclass clazz, jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
 
     return FirmwareManager::GameRequiresFirmware(program_id);
 }
@@ -1575,20 +1575,21 @@ jobjectArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getPatchesForFile(JNIEnv* env
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_removeUpdate(JNIEnv* env, jobject jobj,
                                                         jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = EmulationSession::GetProgramId(env, jprogramId);
     ContentManager::RemoveUpdate(EmulationSession::GetInstance().System().GetFileSystemController(),
                                  program_id);
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_removeDLC(JNIEnv* env, jobject jobj,
                                                      jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(
+        EmulationSession::GetProgramId(env, jprogramId));
     ContentManager::RemoveAllDLC(EmulationSession::GetInstance().System(), program_id);
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_removeMod(JNIEnv* env, jobject jobj, jstring jprogramId,
                                                      jstring jname) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = EmulationSession::GetProgramId(env, jprogramId);
     ContentManager::RemoveMod(EmulationSession::GetInstance().System().GetFileSystemController(),
                               program_id, Common::Android::GetJString(env, jname));
 }
@@ -1635,7 +1636,7 @@ jint Java_org_yuzu_yuzu_1emu_NativeLibrary_verifyGameContents(JNIEnv* env, jobje
 
 jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getSavePath(JNIEnv* env, jobject jobj,
                                                           jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     if (program_id == 0) {
         return Common::Android::ToJString(env, "");
     }

src/android/app/src/main/jni/native_config.cpp

@@ -12,6 +12,7 @@
 #include "common/fs/path_util.h"
 #include "common/logging.h"
 #include "common/settings.h"
+#include "core/file_sys/common_funcs.h"
 #include "frontend_common/config.h"
 #include "frontend_common/settings_generator.h"
 #include "native.h"
@@ -56,7 +57,7 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_saveGlobalConfig(JNIEnv* env, jo
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializePerGameConfig(JNIEnv* env, jobject obj,
                                                                         jstring jprogramId,
                                                                         jstring jfileName) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     auto file_name = Common::Android::GetJString(env, jfileName);
     const auto config_file_name = program_id == 0 ? file_name : fmt::format("{:016X}", program_id);
     per_game_config =
@@ -130,25 +131,6 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setShort(JNIEnv* env, jobject ob
     setting->SetValue(value);
 }
 
-jint Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getUnsignedShort(JNIEnv* env, jobject obj,
-                                                                 jstring jkey,
-                                                                 jboolean needGlobal) {
-    auto setting = getSetting<u16>(env, jkey);
-    if (setting == nullptr) {
-        return -1;
-    }
-    return static_cast<jint>(setting->GetValue(static_cast<bool>(needGlobal)));
-}
-
-void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setUnsignedShort(JNIEnv* env, jobject obj,
-                                                                  jstring jkey, jint value) {
-    auto setting = getSetting<u16>(env, jkey);
-    if (setting == nullptr) {
-        return;
-    }
-    setting->SetValue(static_cast<u16>(value));
-}
-
 jint Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getInt(JNIEnv* env, jobject obj, jstring jkey,
                                                        jboolean needGlobal) {
     auto setting = getSetting<int>(env, jkey);
@@ -341,7 +323,7 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_addGameDir(JNIEnv* env, jobject
 
 jobjectArray Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getDisabledAddons(JNIEnv* env, jobject obj,
                                                                           jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     auto& disabledAddons = Settings::values.disabled_addons[program_id];
     jobjectArray jdisabledAddonsArray =
         env->NewObjectArray(disabledAddons.size(), Common::Android::GetStringClass(),
@@ -356,7 +338,7 @@ jobjectArray Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getDisabledAddons(JNIEnv
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setDisabledAddons(JNIEnv* env, jobject obj,
                                                                   jstring jprogramId,
                                                                   jobjectArray jdisabledAddons) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     Settings::values.disabled_addons[program_id].clear();
     std::vector<std::string> disabled_addons;
     const int size = env->GetArrayLength(jdisabledAddons);

src/android/app/src/main/jni/native_input.cpp

@@ -21,7 +21,7 @@
 #include "input_common/drivers/virtual_gamepad.h"
 #include "native.h"
 
-boost::unordered::unordered_flat_map<std::string, std::unique_ptr<AndroidConfig>> map_profiles;
+ankerl::unordered_dense::map<std::string, std::unique_ptr<AndroidConfig>> map_profiles;
 
 bool IsHandheldOnly() {
     const auto npad_style_set =

src/common/CMakeLists.txt

@@ -241,7 +241,7 @@ if (lz4_ADDED)
     target_include_directories(common PRIVATE ${lz4_SOURCE_DIR}/lib)
 endif()
 
-target_link_libraries(common PUBLIC fmt::fmt stb::headers Threads::Threads)
+target_link_libraries(common PUBLIC fmt::fmt stb::headers Threads::Threads unordered_dense::unordered_dense)
 target_link_libraries(common PRIVATE lz4::lz4 zstd::zstd)
 
 # Please refer to src/common/demangle.cpp

src/common/fs/path_util.cpp

@@ -7,8 +7,7 @@
 #include <algorithm>
 #include <iostream>
 #include <sstream>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/assert.h"
 #include "common/fs/fs.h"
@@ -197,8 +196,8 @@ private:
         SetLegacyPathImpl(legacy_path, new_path);
     }
 
-    boost::unordered::unordered_flat_map<EdenPath, fs::path> eden_paths;
+    ankerl::unordered_dense::map<EdenPath, fs::path> eden_paths;
-    boost::unordered::unordered_flat_map<EmuPath, fs::path> legacy_paths;
+    ankerl::unordered_dense::map<EmuPath, fs::path> legacy_paths;
 };
 
 bool ValidatePath(const fs::path& path) {

src/common/host_memory.cpp

@@ -7,8 +7,7 @@
 #ifdef _WIN32
 
 #include <iterator>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <boost/icl/separate_interval_set.hpp>
 #include <windows.h>
 #include "common/dynamic_library.h"
@@ -392,7 +391,7 @@ private:
 
     std::mutex placeholder_mutex;                                 ///< Mutex for placeholders
     boost::icl::separate_interval_set<size_t> placeholders;       ///< Mapped placeholders
-    boost::unordered::unordered_flat_map<size_t, size_t> placeholder_host_pointers; ///< Placeholder backing offset
+    ankerl::unordered_dense::map<size_t, size_t> placeholder_host_pointers; ///< Placeholder backing offset
 };
 
 #elif defined(__OPENORBIS__) || defined(__managarm__)

src/common/input.h

@@ -9,8 +9,7 @@
 #include <functional>
 #include <memory>
 #include <string>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <utility>
 #include <vector>
 #include "common/logging.h"
@@ -413,7 +412,7 @@ public:
 namespace Impl {
 
 template <typename InputDeviceType>
-using FactoryListType = boost::unordered::unordered_flat_map<std::string, std::shared_ptr<Factory<InputDeviceType>>>;
+using FactoryListType = ankerl::unordered_dense::map<std::string, std::shared_ptr<Factory<InputDeviceType>>>;
 
 template <typename InputDeviceType>
 struct FactoryList {

src/common/logging.cpp

@@ -329,7 +329,7 @@ struct LogcatBackend : public Backend {
             }
         }();
         auto const df = GetDirectFormatArgs(entry);
-        __android_log_print(android_log_priority, "YuzuNative", "%s %s:%u:%s: %s", df.class_name, entry.filename, entry.line_num, entry.function, entry.message);
+        __android_log_print(android_log_priority, "YuzuNative", CCB_PRINTF_FMT, df.time_seconds, df.time_fractional, df.class_name, df.level_name, entry.filename, entry.line_num, entry.function, entry.message);
     }
     void Flush() noexcept override {}
 };
@@ -428,33 +428,21 @@ void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename, u
         auto const flush = ::Settings::values.log_flush_line.GetValue();
         char buffer[BUFSIZ];
         auto result = fmt::vformat_to_n(buffer, sizeof(buffer) - 1, format, args);
-        Entry e{
+        buffer[(std::min)(result.size, sizeof(buffer) - 1)] = '\0';
-            .message = nullptr,
+        logging_instance->ForEachBackend([=](Backend& backend) {
-            .message_len = 0,
+            backend.Write(Entry{
-            .timestamp = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - logging_instance->time_origin),
+                .message = buffer,
-            .log_class = log_class,
+                .message_len = (std::min)(result.size, sizeof(buffer) - 1),
-            .log_level = log_level,
+                .timestamp = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - logging_instance->time_origin),
-            .filename = TrimSourcePath(filename),
+                .log_class = log_class,
-            .function = function,
+                .log_level = log_level,
-            .line_num = line_num,
+                .filename = TrimSourcePath(filename),
-        };
+                .function = function,
-        if (result.size <= sizeof(buffer) - 1) {
+                .line_num = line_num,
-            buffer[(std::min)(result.size, sizeof(buffer) - 1)] = '\0';
-            e.message = buffer;
-            e.message_len = (std::min)(result.size, sizeof(buffer) - 1);
-            logging_instance->ForEachBackend([=](Backend& backend) {
-                backend.Write(e);
-                if (flush) backend.Flush();
             });
-        } else {
+            if (flush)
-            std::string s = fmt::vformat(format, args);
+                backend.Flush();
-            e.message = s.c_str();
+        });
-            e.message_len = s.size();
-            logging_instance->ForEachBackend([=](Backend& backend) {
-                backend.Write(e);
-                if (flush) backend.Flush();
-            });
-        }
     }
 }
 } // namespace Common::Log

src/common/net/net.h

@@ -11,14 +11,14 @@
 
 namespace Common::Net {
 
-struct Asset {
+typedef struct {
     std::string name;
     std::string url;
     std::string path;
     std::string filename;
-};
+} Asset;
 
-struct Release {
+typedef struct Release {
     std::string title;
     std::string body;
     std::string tag;
@@ -39,7 +39,7 @@ struct Release {
     static std::optional<Release> FromJson(const std::string_view& json, const std::string &host, const std::string& repo);
     static std::vector<Release> ListFromJson(const nlohmann::json &json, const std::string &host, const std::string &repo);
     static std::vector<Release> ListFromJson(const std::string_view &json, const std::string &host, const std::string &repo);
-};
+} Release;
 
 // Make a request via httplib, and return the response body if applicable.
 std::optional<std::string> MakeRequest(const std::string &url, const std::string &path);

src/common/param_package.h

@@ -8,15 +8,14 @@
 
 #include <initializer_list>
 #include <string>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 namespace Common {
 
 /// A string-based key-value container supporting serializing to and deserializing from a string
 class ParamPackage {
 public:
-    using DataType = boost::unordered::unordered_flat_map<std::string, std::string>;
+    using DataType = ankerl::unordered_dense::map<std::string, std::string>;
 
     ParamPackage() = default;
     explicit ParamPackage(const std::string& serialized);

src/common/settings.cpp

@@ -126,9 +126,9 @@ void LogSettings() {
                     setting->UsingGlobal() ? '-' : 'C', TranslateCategory(category),
                     setting->GetLabel());
                 if (is_default)
-                    settings_list.push_back(fmt::format("{}: {}", name, setting->Canonicalize()));
+                    settings_list.push_back(fmt::format("{}: {}\n", name, setting->Canonicalize()));
                 else
-                    settings_list.push_front(fmt::format("{}: {}", name, setting->Canonicalize()));
+                    settings_list.push_front(fmt::format("{}: {}\n", name, setting->Canonicalize()));
             }
         }
     }
@@ -146,7 +146,7 @@ void LogSettings() {
 #undef LOG_PATH
 }
 
-bool GetDebugKnobAt(u8 i) {
+bool getDebugKnobAt(u8 i) {
     return (values.debug_knobs.GetValue() & (1 << (i & 0xF))) != 0;
 }
 

src/common/settings.h

@@ -904,7 +904,7 @@ struct Values {
                                            0,
                                            65535,
                                            "debug_knobs",
-                                           Category::System,
+                                           Category::Debugging,
                                            Specialization::Countable,
                                            true,
                                            true};
@@ -947,7 +947,7 @@ constexpr u32 MAX_FRAME_GEN_MULTIPLIER = 4;
 
 [[nodiscard]] size_t FrameGenMaxGenerations();
 
-bool GetDebugKnobAt(u8 i);
+bool getDebugKnobAt(u8 i);
 
 void UpdateGPUAccuracy();
 bool IsGPULevelHigh();

src/common/x64/xbyak.h

@@ -22,11 +22,10 @@
 #endif
 
 // You must ensure this matches with src/common/x64/xbyak.h on root dir
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <boost/unordered_map.hpp>
-#define XBYAK_STD_UNORDERED_SET boost::unordered::unordered_flat_set
+#define XBYAK_STD_UNORDERED_SET ankerl::unordered_dense::set
-#define XBYAK_STD_UNORDERED_MAP boost::unordered::unordered_flat_map
+#define XBYAK_STD_UNORDERED_MAP ankerl::unordered_dense::map
 #define XBYAK_STD_UNORDERED_MULTIMAP boost::unordered_multimap
 #include <xbyak/xbyak.h>
 #include <xbyak/xbyak_util.h>

src/core/arm/dynarmic/arm_dynarmic_64.h

@@ -8,8 +8,7 @@
 
 #include <atomic>
 #include <memory>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include <dynarmic/interface/A64/a64.h>
 #include <dynarmic/interface/code_page.h>

src/core/arm/nce/patcher.h

@@ -4,7 +4,7 @@
 #pragma once
 
 #include <span>
-#include <boost/container/flat_map.hpp>
+#include <ankerl/unordered_dense.h>
 #include <vector>
 #include <oaknut/code_block.hpp>
 #include <oaknut/oaknut.hpp>
@@ -46,7 +46,7 @@ enum class PatchMode : u32 {
 
 using ModuleTextAddress = u64;
 using PatchTextAddress = u64;
-using EntryTrampolines = boost::container::flat_map<ModuleTextAddress, PatchTextAddress>;
+using EntryTrampolines = ankerl::unordered_dense::map<ModuleTextAddress, PatchTextAddress>;
 
 class Patcher {
 public:

src/core/core.cpp

@@ -17,6 +17,7 @@
 #include "common/string_util.h"
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 
 #include "launch_timestamp_cache.h"
 #include "core/core_timing.h"
@@ -396,7 +397,7 @@ struct System::Impl {
             LOG_ERROR(Core, "Failed to find program id for ROM");
         }
 
-        GameSettings::LoadOverrides(program_id, gpu_core->Renderer());
+        GameSettings::LoadOverrides(FileSys::GetBaseTitleID(program_id), gpu_core->Renderer());
         if (auto room_member = Network::GetRoomMember().lock()) {
             Network::GameInfo game_info;
             game_info.name = name;

src/core/file_sys/ips_layer.cpp

@@ -3,13 +3,10 @@
 
 #include <algorithm>
 #include <cstring>
+#include <map>
 #include <sstream>
 #include <string>
 #include <utility>
-#include <span>
-#include <cctype>
-#include <boost/unordered/unordered_flat_map.hpp>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/hex_util.h"
 #include "common/logging.h"
@@ -25,30 +22,61 @@ enum class IPSFileType {
     Error,
 };
 
-static IPSFileType IdentifyMagic(std::span<const u8> magic) {
+constexpr std::array<std::pair<const char*, const char*>, 11> ESCAPE_CHARACTER_MAP{{
-    if (magic.size() >= 5) {
+    {"\\a", "\a"},
-        if (std::memcmp(magic.data(), "PATCH", 5) == 0)
+    {"\\b", "\b"},
-            return IPSFileType::IPS;
+    {"\\f", "\f"},
-        if (std::memcmp(magic.data(), "IPS32", 5) == 0)
+    {"\\n", "\n"},
-            return IPSFileType::IPS32;
+    {"\\r", "\r"},
+    {"\\t", "\t"},
+    {"\\v", "\v"},
+    {"\\\\", "\\"},
+    {"\\\'", "\'"},
+    {"\\\"", "\""},
+    {"\\\?", "\?"},
+}};
+
+static IPSFileType IdentifyMagic(const std::vector<u8>& magic) {
+    if (magic.size() != 5) {
+        return IPSFileType::Error;
     }
+
+    static constexpr std::array<u8, 5> patch_magic{{'P', 'A', 'T', 'C', 'H'}};
+    if (std::equal(magic.begin(), magic.end(), patch_magic.begin())) {
+        return IPSFileType::IPS;
+    }
+
+    static constexpr std::array<u8, 5> ips32_magic{{'I', 'P', 'S', '3', '2'}};
+    if (std::equal(magic.begin(), magic.end(), ips32_magic.begin())) {
+        return IPSFileType::IPS32;
+    }
+
     return IPSFileType::Error;
 }
 
-static bool IsEOF(IPSFileType type, std::span<const u8> magic) {
+static bool IsEOF(IPSFileType type, const std::vector<u8>& data) {
-    return (type == IPSFileType::IPS && magic.size() > 3 && std::memcmp(magic.data(), "EOF", 3) == 0)
+    static constexpr std::array<u8, 3> eof{{'E', 'O', 'F'}};
-        || (type == IPSFileType::IPS32 && magic.size() > 4 && std::memcmp(magic.data(), "EEOF", 4) == 0);
+    if (type == IPSFileType::IPS && std::equal(data.begin(), data.end(), eof.begin())) {
+        return true;
+    }
+
+    static constexpr std::array<u8, 4> eeof{{'E', 'E', 'O', 'F'}};
+    return type == IPSFileType::IPS32 && std::equal(data.begin(), data.end(), eeof.begin());
 }
 
 VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
     if (in == nullptr || ips == nullptr)
         return nullptr;
 
-    auto in_data = in->ReadAllBytes();
+    const auto type = IdentifyMagic(ips->ReadBytes(0x5));
-    auto const type = IdentifyMagic(in_data);
     if (type == IPSFileType::Error)
         return nullptr;
 
+    auto in_data = in->ReadAllBytes();
+    if (in_data.size() == 0) {
+        return nullptr;
+    }
+
     std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
     u64 offset = 5; // After header
     while (ips->Read(temp.data(), temp.size(), offset) == temp.size()) {
@@ -57,9 +85,12 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
             break;
         }
 
-        u32 real_offset = (type == IPSFileType::IPS32)
+        u32 real_offset{};
-            ? ((temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3])
+        if (type == IPSFileType::IPS32)
-            : ((temp[0] << 16) | (temp[1] << 8) | temp[2]);
+            real_offset = (temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3];
+        else
+            real_offset = (temp[0] << 16) | (temp[1] << 8) | temp[2];
+
         if (real_offset > in_data.size()) {
             return nullptr;
         }
@@ -82,35 +113,34 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
                 return nullptr;
 
             if (real_offset + rle_size > in_data.size())
-                rle_size = u16(in_data.size() - real_offset);
+                rle_size = static_cast<u16>(in_data.size() - real_offset);
             std::memset(in_data.data() + real_offset, *data, rle_size);
         } else { // Standard Patch
             auto read = data_size;
             if (real_offset + read > in_data.size())
-                read = u16(in_data.size() - real_offset);
+                read = static_cast<u16>(in_data.size() - real_offset);
             if (ips->Read(in_data.data() + real_offset, read, offset) != data_size)
                 return nullptr;
             offset += data_size;
         }
     }
-    if (IsEOF(type, temp)) {
+
-        return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(), in->GetContainingDirectory());
+    if (!IsEOF(type, temp)) {
+        return nullptr;
     }
-    return nullptr;
+
+    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
+                                           in->GetContainingDirectory());
 }
 
-
-struct IPSwitchRecord {
-    std::array<uint8_t, 256 - sizeof(size_t)> data;
-    size_t count;
-};
 struct IPSwitchCompiler::IPSwitchPatch {
-    boost::unordered::unordered_flat_map<u32, IPSwitchRecord> records;
+    std::string name;
     bool enabled;
+    std::map<u32, std::vector<u8>> records;
 };
 
 IPSwitchCompiler::IPSwitchCompiler(VirtualFile patch_text_) : patch_text(std::move(patch_text_)) {
-    Parse(patch_text->ReadAllBytes());
+    Parse();
 }
 
 IPSwitchCompiler::~IPSwitchCompiler() = default;
@@ -119,159 +149,201 @@ std::array<u8, 32> IPSwitchCompiler::GetBuildID() const {
     return nso_build_id;
 }
 
-static IPSwitchRecord EscapeStringSequences(std::string_view sv) {
+bool IPSwitchCompiler::IsValid() const {
-    IPSwitchRecord r{};
+    return valid;
-    for (auto it = sv.cbegin(); it != sv.cend(); ) {
+}
-        if (*it == '\\' && it + 1 < sv.cend()) {
+
-            switch (it[1]) {
+static bool StartsWith(std::string_view base, std::string_view check) {
-            case 'n': r.data[r.count] = '\n'; break;
+    return base.size() >= check.size() && base.substr(0, check.size()) == check;
-            case 't': r.data[r.count] = '\t'; break;
+}
-            case 'b': r.data[r.count] = '\b'; break;
+
-            case 'r': r.data[r.count] = '\r'; break;
+static std::string EscapeStringSequences(std::string in) {
-            case 'e': r.data[r.count] = '\e'; break;
+    for (const auto& seq : ESCAPE_CHARACTER_MAP) {
-            case 'v': r.data[r.count] = '\v'; break;
+        for (auto index = in.find(seq.first); index != std::string::npos;
-            case '?': r.data[r.count] = '\?'; break;
+             index = in.find(seq.first, index)) {
-            default: r.data[r.count] = it[1]; break;
+            in.replace(index, std::strlen(seq.first), seq.second);
-            }
+            index += std::strlen(seq.second);
-            ++r.count;
-            it += 2;
-        } else {
-            ++r.count;
-            ++it;
         }
     }
-    return r;
+
+    return in;
 }
 
-[[nodiscard]] static inline std::array<u8, 32> ReadNSOBuildId(std::string_view const s) {
+void IPSwitchCompiler::ParseFlag(const std::string& line) {
-    std::array<u8, 32> r{};
+    if (StartsWith(line, "@flag offset_shift ")) {
-    for (std::size_t i = 0; i < s.size(); ++i)
+        // Offset Shift Flag
-        r[i / 2] |= u8(u8(Common::ToHexNibble(s[i])) << u8((i % 2) * 4));
+        offset_shift = std::strtoll(line.substr(19).c_str(), nullptr, 0);
-    return r;
+    } else if (StartsWith(line, "@little-endian")) {
+        // Set values to read as little endian
+        is_little_endian = true;
+    } else if (StartsWith(line, "@big-endian")) {
+        // Set values to read as big endian
+        is_little_endian = false;
+    } else if (StartsWith(line, "@flag print_values")) {
+        // Force printing of applied values
+        print_values = true;
+    }
 }
 
-void IPSwitchCompiler::Parse(std::span<u8 const> bytes) {
+void IPSwitchCompiler::Parse() {
-    LOG_INFO(Loader, "IPSwitchCompiler: '{}'", patch_text->GetName());
+    const auto bytes = patch_text->ReadAllBytes();
-    bool is_little_endian = false;
+    std::stringstream s;
-    s64 offset_shift = 0;
+    s.write(reinterpret_cast<const char*>(bytes.data()), bytes.size());
-    //bool print_values = false;
 
-    auto const parse_line = [&](std::string_view const line) {
+    std::vector<std::string> lines;
-        // Keep in mind lines have trimmed spaces (at the end & start)!
+    std::string stream_line;
-        LOG_INFO(Loader, "<{}>", line);
+    while (std::getline(s, stream_line)) {
-        if (line.starts_with("@stop")) {
+        // Remove a trailing \r
-            return false; // Force stop
+        if (!stream_line.empty() && stream_line.back() == '\r')
-        } else if (line.starts_with("@nsobid-")) { // NSO Build ID Specifier
+            stream_line.pop_back();
-            nso_build_id = ReadNSOBuildId(line.substr(8));
+        lines.push_back(std::move(stream_line));
-        } else if (line.starts_with("@enabled")) {
+    }
-            patches.push_back({{}, true}); //enabled patch
-        } else if (line.starts_with("@disabled")) {
-            patches.push_back({{}, false}); //disabled patch
-        } else if (line.starts_with("@flag offset_shift ")) {
-            offset_shift = std::strtoll(line.data() + 19, nullptr, 0);  // Offset Shift Flag
-        } else if (line.starts_with("@little-endian")) {
-            is_little_endian = true;  // Set values to read as little endian
-        } else if (line.starts_with("@big-endian")) {
-            is_little_endian = false;  // Set values to read as big endian
-        } else if (line.starts_with("@flag print_values")) {
-            //print_values = true; // Force printing of applied values
-        } else if (line.starts_with("@")) {
-            LOG_WARNING(Loader, "Unknown flag {}", line);
-        } else {
-            size_t offset = size_t(std::strtoul(line.data(), nullptr, 16));
-            offset += size_t(offset_shift);
-            if (auto const first_quote = line.find_first_of("\"\'"); first_quote != std::string::npos) {
-                // string replacement
-                char quote = line[first_quote];
-                auto const start = line.cbegin() + first_quote + 1;
-                auto end = start;
-                for (; end < line.cend() && *end != quote; )
-                    end += (*end == '\\') ? 2 : 1;
-                if (start <= line.cend() && end <= line.cend()) {
-                    LOG_INFO(Loader, "[S] value @ {:#08X} ", offset);
-                    patches.back().records.insert_or_assign(u32(offset), EscapeStringSequences({start, end}));
-                } else {
-                    LOG_WARNING(Loader, "invalid string");
-                }
-            } else if (auto const first_space = line.find_last_of(" /\t\r\n"); first_space != std::string::npos) {
-                IPSwitchRecord r{}; // hex replacement
-                auto const start = line.cbegin() + first_space + 1;
-                auto const end = line.cend();
-                if (start <= line.cend() && end <= line.cend()) {
-                    auto const hs = Common::HexStringToVector({start, end}, is_little_endian);
-                    std::memcpy(r.data.data(), hs.data(), hs.size());
-                    r.count = hs.size();
-                    LOG_INFO(Loader, "[H] value @ {:#08X}", offset);
-                    patches.back().records.insert_or_assign(u32(offset), std::move(r));
-                } else {
-                    LOG_WARNING(Loader, "invalid line");
-                }
-            } else {
-                LOG_WARNING(Loader, "unhandled line!");
-            }
-        }
-        return true; //continue
-    };
 
-    for (auto it = bytes.begin(); it < bytes.end(); ) {
+    for (std::size_t i = 0; i < lines.size(); ++i) {
-        auto const start = it;
+        auto line = lines[i];
-        auto end = start;
+
-        for (; end < bytes.end() && *end != '\n' && *end != '\r'; ++end)
+        // Remove midline comments
-            ;
+        std::size_t comment_index = std::string::npos;
-        it = end + 1; //prepare for next line
+        bool within_string = false;
-        std::string_view const sline{
+        for (std::size_t k = 0; k < line.size(); ++k) {
-            reinterpret_cast<const char*>(bytes.data() + std::distance(bytes.begin(), start)),
+            if (line[k] == '\"' && (k > 0 && line[k - 1] != '\\')) {
-            size_t(std::distance(start, end))
+                within_string = !within_string;
-        };
+            } else if (line[k] == '\\' && (k < line.size() - 1 && line[k + 1] == '\\')) {
-        if (sline.size() > 0) {
+                comment_index = k;
-            auto p = sline.cbegin();
-            // skip space off line
-            for (; p < sline.cend() && std::isspace(*p); ++p)
-                ;
-            // now make a nominal preprocessed line: remove comments
-            char quote = '\0';
-            auto const sline_start = p;
-            for (; p < sline.cend(); ) {
-                if ((!quote && p + 1 < sline.cend() && p[0] == '/' && p[1] == '/')
-                || (!quote && p[0] == '#')) {
-                    break;
-                } else if (p[0] == '\"' || p[0] == '\'') {
-                    quote = (p[0] == quote) ? '\0' : p[0];
-                    ++p;
-                } else if (p + 1 < sline.cend() && p[0] == '\\') {
-                    p += 2;
-                } else {
-                    ++p;
-                }
-            }
-            // now we have the preprocessed string ;)
-            std::string_view pp_str(sline_start, p);
-            if (pp_str.size() > 0 && !parse_line(pp_str)) {
                 break;
             }
         }
+
+        if (!StartsWith(line, "//") && comment_index != std::string::npos) {
+            last_comment = line.substr(comment_index + 2);
+            line = line.substr(0, comment_index);
+        }
+
+        if (StartsWith(line, "@stop")) {
+            // Force stop
+            break;
+        } else if (StartsWith(line, "@nsobid-")) {
+            // NSO Build ID Specifier
+            const auto raw_build_id = fmt::format("{:0<64}", line.substr(8));
+            nso_build_id = Common::HexStringToArray<0x20>(raw_build_id);
+        } else if (StartsWith(line, "#")) {
+            // Mandatory Comment
+            LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Forced output comment: {}",
+                     patch_text->GetName(), line.substr(1));
+        } else if (StartsWith(line, "//")) {
+            // Normal Comment
+            last_comment = line.substr(2);
+            if (last_comment.find_first_not_of(' ') == std::string::npos)
+                continue;
+            if (last_comment.find_first_not_of(' ') != 0)
+                last_comment = last_comment.substr(last_comment.find_first_not_of(' '));
+        } else if (StartsWith(line, "@enabled") || StartsWith(line, "@disabled")) {
+            // Start of patch
+            const auto enabled = StartsWith(line, "@enabled");
+            if (i == 0)
+                return;
+            LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Parsing patch '{}' ({})",
+                     patch_text->GetName(), last_comment, line.substr(1));
+
+            IPSwitchPatch patch{last_comment, enabled, {}};
+
+            // Read rest of patch
+            while (true) {
+                if (i + 1 >= lines.size()) {
+                    break;
+                }
+
+                const auto& patch_line = lines[++i];
+
+                // Patch line may contain comments
+                if (StartsWith(patch_line, "//") || StartsWith(patch_line, "#")) {
+                    continue;
+                }
+
+                // Start of new patch
+                if (StartsWith(patch_line, "@enabled") || StartsWith(patch_line, "@disabled")) {
+                    --i;
+                    break;
+                }
+
+                // Check for a flag
+                if (StartsWith(patch_line, "@")) {
+                    ParseFlag(patch_line);
+                    continue;
+                }
+
+                // 11 - 8 hex digit offset + space + minimum two digit overwrite val
+                if (patch_line.length() < 11)
+                    break;
+                auto offset = std::strtoul(patch_line.substr(0, 8).c_str(), nullptr, 16);
+                offset += static_cast<unsigned long>(offset_shift);
+
+                std::vector<u8> replace;
+                // 9 - first char of replacement val
+                if (patch_line[9] == '\"') {
+                    // string replacement
+                    auto end_index = patch_line.find('\"', 10);
+                    if (end_index == std::string::npos || end_index < 10)
+                        return;
+                    while (patch_line[end_index - 1] == '\\') {
+                        end_index = patch_line.find('\"', end_index + 1);
+                        if (end_index == std::string::npos || end_index < 10)
+                            return;
+                    }
+
+                    auto value = patch_line.substr(10, end_index - 10);
+                    value = EscapeStringSequences(value);
+                    replace.reserve(value.size());
+                    std::copy(value.begin(), value.end(), std::back_inserter(replace));
+                } else {
+                    // hex replacement
+                    const auto value =
+                        patch_line.substr(9, patch_line.find_first_of(" /\r\n", 9) - 9);
+                    replace = Common::HexStringToVector(value, is_little_endian);
+                }
+
+                if (print_values) {
+                    LOG_INFO(Loader,
+                             "[IPSwitchCompiler ('{}')]     - Patching value at offset {:#08x} "
+                             "with byte string '{}'",
+                             patch_text->GetName(), offset, Common::HexToString(replace));
+                }
+
+                patch.records.insert_or_assign(static_cast<u32>(offset), std::move(replace));
+            }
+
+            patches.push_back(std::move(patch));
+        } else if (StartsWith(line, "@")) {
+            ParseFlag(line);
+        }
     }
+
+    valid = true;
 }
 
 VirtualFile IPSwitchCompiler::Apply(const VirtualFile& in) const {
-    if (in == nullptr)
+    if (in == nullptr || !valid)
         return nullptr;
 
     auto in_data = in->ReadAllBytes();
 
     for (const auto& patch : patches) {
-        if (patch.enabled) {
+        if (!patch.enabled)
-            for (const auto& record : patch.records) {
+            continue;
-                if (record.first < in_data.size()) {
+
-                    auto replace_size = record.second.count;
+        for (const auto& record : patch.records) {
-                    if (record.first + replace_size > in_data.size())
+            if (record.first >= in_data.size())
-                        replace_size = in_data.size() - record.first;
+                continue;
-                    std::memcpy(in_data.data() + record.first, record.second.data.data(), replace_size);
+            auto replace_size = record.second.size();
-                }
+            if (record.first + replace_size > in_data.size())
-            }
+                replace_size = in_data.size() - record.first;
+            for (std::size_t i = 0; i < replace_size; ++i)
+                in_data[i + record.first] = record.second[i];
         }
     }
-    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(), in->GetContainingDirectory());
+
+    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
+                                           in->GetContainingDirectory());
 }
 
 } // namespace FileSys

src/core/file_sys/ips_layer.h

@@ -1,14 +1,11 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include <array>
+#include <memory>
 #include <vector>
-#include <span>
 
 #include "common/common_types.h"
 #include "core/file_sys/vfs/vfs.h"
@@ -23,17 +20,24 @@ public:
     ~IPSwitchCompiler();
 
     std::array<u8, 0x20> GetBuildID() const;
+    bool IsValid() const;
     VirtualFile Apply(const VirtualFile& in) const;
 
 private:
     struct IPSwitchPatch;
 
     void ParseFlag(const std::string& flag);
-    void Parse(std::span<u8 const> bytes);
+    void Parse();
+
+    bool valid = false;
 
     VirtualFile patch_text;
     std::vector<IPSwitchPatch> patches;
     std::array<u8, 0x20> nso_build_id{};
+    bool is_little_endian = false;
+    s64 offset_shift = 0;
+    bool print_values = false;
+    std::string last_comment = "";
 };
 
 } // namespace FileSys

src/core/file_sys/patch_manager.cpp

@@ -161,7 +161,7 @@ std::string GetUpdateVersionStringFromSlot(const ContentProvider* provider, u64
 PatchManager::PatchManager(u64 title_id_,
                            const Service::FileSystem::FileSystemController& fs_controller_,
                            const ContentProvider& content_provider_)
-    : title_id{title_id_}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
+    : title_id{title_id_}, application_id{GetBaseTitleID(title_id_)}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
 
 PatchManager::~PatchManager() = default;
 
@@ -169,13 +169,41 @@ u64 PatchManager::GetTitleID() const {
     return title_id;
 }
 
+u64 PatchManager::GetUpdateTitleIDForContent() const {
+    const auto program_update_id = GetUpdateTitleID(title_id);
+    if (program_update_id == GetUpdateTitleID(application_id) || content_provider.HasEntry(program_update_id, ContentRecordType::Program)) {
+        return program_update_id;
+    }
+    return GetUpdateTitleID(application_id);
+}
+
+std::vector<VirtualDir> PatchManager::GetModificationLoadRoots() const {
+    std::vector<VirtualDir> roots;
+    roots.push_back(fs_controller.GetModificationLoadRoot(title_id));
+    if (application_id != title_id) {
+        roots.push_back(fs_controller.GetModificationLoadRoot(application_id));
+    }
+    std::erase(roots, nullptr);
+    return roots;
+}
+
+std::vector<VirtualDir> PatchManager::GetSDMCModificationLoadRoots() const {
+    std::vector<VirtualDir> roots;
+    roots.push_back(fs_controller.GetSDMCModificationLoadRoot(title_id));
+    if (application_id != title_id) {
+        roots.push_back(fs_controller.GetSDMCModificationLoadRoot(application_id));
+    }
+    std::erase(roots, nullptr);
+    return roots;
+}
+
 VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);
 
     if (exefs == nullptr)
         return exefs;
 
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     bool update_disabled = true;
     std::optional<u32> enabled_version;
@@ -183,7 +211,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     bool checked_manual = false;
 
     const auto* content_union = static_cast<const ContentProviderUnion*>(&content_provider);
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
 
     if (content_union) {
         // First, check ExternalContentProvider
@@ -303,17 +331,21 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     }
 
     // LayeredExeFS
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    const auto sdmc_load_dirs = GetSDMCModificationLoadRoots();
 
-    std::vector<VirtualDir> patch_dirs = {sdmc_load_dir};
+    std::vector<VirtualDir> patch_dirs;
-    if (load_dir != nullptr) {
+    for (const auto& sdmc_load_dir : sdmc_load_dirs) {
+        patch_dirs.push_back(sdmc_load_dir);
+    }
+    for (const auto& load_dir : load_dirs) {
         const auto load_patch_dirs = load_dir->GetSubdirectories();
         patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
     }
 
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        return l->GetName() < r->GetName();
+    });
 
     std::vector<VirtualDir> layers;
     layers.reserve(patch_dirs.size() + 1);
@@ -345,8 +377,9 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     return exefs;
 }
 
-std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs, const std::string& build_id) const {
+std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs,
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+                                                      const std::string& build_id) const {
+    const auto& disabled = Settings::values.disabled_addons[application_id];
     const auto nso_build_id = fmt::format("{:0<64}", build_id);
 
     std::vector<VirtualFile> out;
@@ -360,11 +393,16 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
             for (const auto& file : exefs_dir->GetFiles()) {
                 if (file->GetExtension() == "ips") {
                     auto name = file->GetName();
-                    const auto this_build_id = fmt::format("{:0<64}", name.substr(0, name.find('.')));
+
+                    const auto this_build_id =
+                        fmt::format("{:0<64}", name.substr(0, name.find('.')));
                     if (nso_build_id == this_build_id)
                         out.push_back(file);
                 } else if (file->GetExtension() == "pchtxt") {
                     IPSwitchCompiler compiler{file};
+                    if (!compiler.IsValid())
+                        continue;
+
                     const auto this_build_id = Common::HexToString(compiler.GetBuildID());
                     if (nso_build_id == this_build_id)
                         out.push_back(file);
@@ -372,6 +410,7 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
             }
         }
     }
+
     return out;
 }
 
@@ -405,15 +444,20 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
 
     LOG_INFO(Loader, "Patching NSO for name={}, build_id={}", name, build_id);
 
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    if (load_dir == nullptr) {
+    if (load_dirs.empty()) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return nso;
     }
 
-    auto patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    for (const auto& load_dir : load_dirs) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
     const auto patches = CollectPatches(patch_dirs, build_id);
 
     auto out = nso;
@@ -448,29 +492,39 @@ bool PatchManager::HasNSOPatch(const BuildID& build_id_, std::string_view name)
 
     LOG_INFO(Loader, "Querying NSO patch existence for build_id={}, name={}", build_id, name);
 
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    if (load_dir == nullptr) {
+    if (load_dirs.empty()) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return false;
     }
 
-    auto patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    for (const auto& load_dir : load_dirs) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
 
     return !CollectPatches(patch_dirs, build_id).empty();
 }
 
 std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildID& build_id_) const {
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    if (load_dir == nullptr) {
+    if (load_dirs.empty()) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return {};
     }
 
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
-    auto patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    std::sort(patch_dirs.begin(), patch_dirs.end(), [](auto const& l, auto const& r) { return l->GetName() < r->GetName(); });
+    for (const auto& load_dir : load_dirs) {
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(),
+                     [](auto const& l, auto const& r) { return l->GetName() < r->GetName(); });
 
     // <mod dir> / <folder> / cheats / <build id>.txt
     std::vector<Core::Memory::CheatEntry> out;
@@ -486,39 +540,52 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildI
     }
     // Uncareless user-friendly loading of patches (must start with 'cheat_')
     // <mod dir> / <cheat file>.txt
-    for (auto const& f : load_dir->GetFiles()) {
+    for (const auto& load_dir : load_dirs) {
-        auto const name = f->GetName();
+        for (auto const& f : load_dir->GetFiles()) {
-        if (name.starts_with("cheat_") && std::find(disabled.cbegin(), disabled.cend(), name) == disabled.cend()) {
+            auto const name = f->GetName();
-            std::vector<u8> data(f->GetSize());
+            if (name.starts_with("cheat_") && std::find(disabled.cbegin(), disabled.cend(), name) == disabled.cend()) {
-            if (f->Read(data.data(), data.size()) == data.size()) {
+                std::vector<u8> data(f->GetSize());
-                const Core::Memory::TextCheatParser parser;
+                if (f->Read(data.data(), data.size()) == data.size()) {
-                auto const res = parser.Parse(std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
+                    const Core::Memory::TextCheatParser parser;
-                std::copy(res.begin(), res.end(), std::back_inserter(out));
+                    auto const res = parser.Parse(std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
-            } else {
+                    std::copy(res.begin(), res.end(), std::back_inserter(out));
-                LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}", title_id);
+                } else {
+                    LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}", title_id);
+                }
             }
         }
     }
     return out;
 }
 
-static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type,
+static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, u64 application_id, ContentRecordType type,
                            const Service::FileSystem::FileSystemController& fs_controller) {
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    std::vector<VirtualDir> load_dirs{fs_controller.GetModificationLoadRoot(title_id)};
-    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    std::vector<VirtualDir> sdmc_load_dirs{fs_controller.GetSDMCModificationLoadRoot(title_id)};
+    if (application_id != title_id) {
+        load_dirs.push_back(fs_controller.GetModificationLoadRoot(application_id));
+        sdmc_load_dirs.push_back(fs_controller.GetSDMCModificationLoadRoot(application_id));
+    }
+    std::erase(load_dirs, nullptr);
+    std::erase(sdmc_load_dirs, nullptr);
     if ((type != ContentRecordType::Program && type != ContentRecordType::Data &&
          type != ContentRecordType::HtmlDocument) ||
-        (load_dir == nullptr && sdmc_load_dir == nullptr)) {
+        (load_dirs.empty() && sdmc_load_dirs.empty())) {
         return;
     }
 
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
-    std::vector<VirtualDir> patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
+    for (const auto& load_dir : load_dirs) {
-        patch_dirs.push_back(sdmc_load_dir);
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
     }
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        patch_dirs.insert(patch_dirs.end(), sdmc_load_dirs.begin(), sdmc_load_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
 
     std::vector<VirtualDir> layers;
     std::vector<VirtualDir> layers_ext;
@@ -590,8 +657,8 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs
     auto romfs = base_romfs;
 
     // Game Updates
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     bool update_disabled = true;
     std::optional<u32> enabled_version;
@@ -698,7 +765,7 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs
 
     // LayeredFS
     if (apply_layeredfs) {
-        ApplyLayeredFS(romfs, title_id, type, fs_controller);
+        ApplyLayeredFS(romfs, title_id, application_id, type, fs_controller);
     }
 
     return romfs;
@@ -710,10 +777,10 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     }
 
     std::vector<Patch> out;
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     // Game Updates
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
 
     std::vector<Patch> external_update_patches;
 
@@ -862,7 +929,7 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
                               .version = "",
                               .type = PatchType::Update,
                               .program_id = title_id,
-                              .title_id = title_id,
+                              .title_id = update_tid,
                               .source = PatchSource::Unknown,
                               .numeric_version = 0};
 
@@ -888,8 +955,7 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     }
 
     // General Mods (LayeredFS and IPS)
-    const auto mod_dir = fs_controller.GetModificationLoadRoot(title_id);
+    for (const auto& mod_dir : GetModificationLoadRoots()) {
-    if (mod_dir != nullptr) {
         for (auto const& f : mod_dir->GetFiles())
             if (auto const name = f->GetName(); name.starts_with("cheat_")) {
                 auto const mod_disabled = std::find(disabled.begin(), disabled.end(), name) != disabled.end();
@@ -956,8 +1022,7 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     }
 
     // SDMC mod directory (RomFS LayeredFS)
-    const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    for (const auto& sdmc_mod_dir : GetSDMCModificationLoadRoots()) {
-    if (sdmc_mod_dir != nullptr) {
         std::string types;
         if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(sdmc_mod_dir, "exefs")))
             AppendCommaIfNotEmpty(types, "LayeredExeFS");
@@ -992,10 +1057,10 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     dlc_match.reserve(dlc_entries_with_origin.size());
     for (const auto& [slot, entry] : dlc_entries_with_origin) {
         const auto base_tid = GetBaseTitleID(entry.title_id);
-        const bool matches_base = base_tid == title_id;
+        const bool matches_base = base_tid == application_id;
         if (!matches_base) {
             LOG_DEBUG(Loader, "DLC {:016X} base {:016X} doesn't match title {:016X}",
-                      entry.title_id, base_tid, title_id);
+                      entry.title_id, base_tid, application_id);
             continue;
         }
 
@@ -1070,16 +1135,22 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
 }
 
 std::optional<u32> PatchManager::GetGameVersion() const {
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
     if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
         return content_provider.GetEntryVersion(update_tid);
     }
 
-    return content_provider.GetEntryVersion(title_id);
+    if (const auto version = content_provider.GetEntryVersion(title_id); version.has_value()) {
+        return version;
+    }
+    return content_provider.GetEntryVersion(application_id);
 }
 
 PatchManager::Metadata PatchManager::GetControlMetadata() const {
-    const auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
+    auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
+    if (base_control_nca == nullptr && application_id != title_id) {
+        base_control_nca = content_provider.GetEntry(application_id, ContentRecordType::Control);
+    }
     if (base_control_nca == nullptr) {
         return {};
     }
@@ -1155,8 +1226,14 @@ PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const {
     auto metadata = pm.GetControlMetadata();
     if (metadata.first != nullptr)
         return metadata;
-    const FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(application_id), system.GetFileSystemController(), system.GetContentProvider()};
+    const auto update_id = FileSys::GetUpdateTitleID(application_id);
-    return pm_update.GetControlMetadata();
+    const auto application_update_id = FileSys::GetUpdateTitleID(GetBaseTitleID(application_id));
+    const FileSys::PatchManager pm_update{update_id, system.GetFileSystemController(), system.GetContentProvider()};
+    metadata = pm_update.GetControlMetadata();
+    if (metadata.first != nullptr || update_id == application_update_id)
+        return metadata;
+    const FileSys::PatchManager pm_application_update{application_update_id, system.GetFileSystemController(), system.GetContentProvider()};
+    return pm_application_update.GetControlMetadata();
 }
 
 } // namespace FileSys

src/core/file_sys/patch_manager.h

@@ -10,6 +10,7 @@
 #include <memory>
 #include <optional>
 #include <string>
+#include <vector>
 #include "common/common_types.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/vfs/vfs_types.h"
@@ -109,10 +110,14 @@ public:
     [[nodiscard]] static PatchManager::Metadata GetMetadataFromBaseOrUpdate(Core::System& system, u64 application_id) noexcept;
 
 private:
+    [[nodiscard]] u64 GetUpdateTitleIDForContent() const;
+    [[nodiscard]] std::vector<VirtualDir> GetModificationLoadRoots() const;
+    [[nodiscard]] std::vector<VirtualDir> GetSDMCModificationLoadRoots() const;
     [[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
                                                           const std::string& build_id) const;
 
     u64 title_id;
+    u64 application_id;
     const Service::FileSystem::FileSystemController& fs_controller;
     const ContentProvider& content_provider;
 };

src/core/file_sys/registered_cache.cpp

@@ -566,7 +566,7 @@ VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {
     return file;
 }
 
-static std::optional<NcaID> CheckMapForContentRecord(const boost::unordered::unordered_flat_map<u64, CNMT>& map, u64 title_id, ContentRecordType type) {
+static std::optional<NcaID> CheckMapForContentRecord(const ankerl::unordered_dense::map<u64, CNMT>& map, u64 title_id, ContentRecordType type) {
     auto cmnt_iter = map.find(title_id);
     u8 id_offset = 0;
 

src/core/file_sys/registered_cache.h

@@ -12,6 +12,7 @@
 #include <optional>
 #include <string>
 #include <vector>
+#include <ankerl/unordered_dense.h>
 #include <boost/container/flat_map.hpp>
 #include "common/common_types.h"
 #include "core/crypto/key_manager.h"
@@ -208,11 +209,11 @@ private:
     ContentProviderParsingFunction parser;
 
     // maps tid -> NcaID of meta
-    boost::container::flat_map<u64, NcaID> meta_id;
+    ankerl::unordered_dense::map<u64, NcaID> meta_id;
     // maps tid -> meta
-    boost::container::flat_map<u64, CNMT> meta;
+    ankerl::unordered_dense::map<u64, CNMT> meta;
     // maps tid -> meta for CNMT in yuzu_meta
-    boost::container::flat_map<u64, CNMT> yuzu_meta;
+    ankerl::unordered_dense::map<u64, CNMT> yuzu_meta;
 };
 
 enum class ContentProviderUnionSlot {
@@ -312,8 +313,8 @@ private:
     void ProcessXCI(const VirtualFile& file);
 
     std::vector<VirtualDir> load_dirs;
-    boost::container::flat_map<std::tuple<u64, ContentRecordType, TitleType>, VirtualFile> entries;
+    ankerl::unordered_dense::map<std::tuple<u64, ContentRecordType, TitleType>, VirtualFile> entries;
-    boost::container::flat_map<u64, u32> versions;
+    ankerl::unordered_dense::map<u64, u32> versions;
     std::vector<ExternalUpdateEntry> multi_version_entries;
 };
 

src/core/file_sys/vfs/vfs_layered.cpp

@@ -4,7 +4,9 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <boost/container/flat_set.hpp>
+#include <algorithm>
+#include <set>
+#include <ankerl/unordered_dense.h>
 #include <utility>
 #include "core/file_sys/vfs/vfs_layered.h"
 
@@ -61,7 +63,7 @@ std::string LayeredVfsDirectory::GetFullPath() const {
 
 std::vector<VirtualFile> LayeredVfsDirectory::GetFiles() const {
     std::vector<VirtualFile> out;
-    boost::container::flat_set<std::string> out_names;
+    ankerl::unordered_dense::set<std::string> out_names;
 
     for (const auto& layer : dirs) {
         for (auto& file : layer->GetFiles()) {
@@ -77,7 +79,8 @@ std::vector<VirtualFile> LayeredVfsDirectory::GetFiles() const {
 
 std::vector<VirtualDir> LayeredVfsDirectory::GetSubdirectories() const {
     std::vector<VirtualDir> out;
-    boost::container::flat_set<std::string> out_names;
+    ankerl::unordered_dense::set<std::string> out_names;
+
     for (const auto& layer : dirs) {
         for (const auto& sd : layer->GetSubdirectories()) {
             out_names.emplace(sd->GetName());

src/core/hle/kernel/k_process.h

@@ -78,7 +78,7 @@ private:
     std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS> m_watchpoints{};
     std::map<KProcessAddress, u64> m_debug_page_refcounts{};
 #ifdef HAS_NCE
-    boost::unordered::unordered_flat_map<u64, u64> m_post_handlers{};
+    ankerl::unordered_dense::map<u64, u64> m_post_handlers{};
 #endif
     std::unique_ptr<Core::ExclusiveMonitor> m_exclusive_monitor;
     Core::Memory::Memory m_memory;
@@ -494,7 +494,7 @@ public:
     static void Switch(KernelCore& kernel, KProcess* cur_process, KProcess* next_process);
 
 #ifdef HAS_NCE
-    boost::unordered::unordered_flat_map<u64, u64>& GetPostHandlers() noexcept {
+    ankerl::unordered_dense::map<u64, u64>& GetPostHandlers() noexcept {
         return m_post_handlers;
     }
 #endif

src/core/hle/kernel/k_server_session.cpp

@@ -1216,7 +1216,7 @@ Result KServerSession::ReceiveRequest(KernelCore& kernel, uintptr_t server_messa
 }
 
 Result KServerSession::SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
-                                 KPhysicalAddress server_message_paddr, bool is_hle, bool session_closed) {
+                                 KPhysicalAddress server_message_paddr, bool is_hle) {
     // Lock the session.
     KScopedLightLock lk{m_lock};
 
@@ -1248,7 +1248,7 @@ Result KServerSession::SendReply(KernelCore& kernel, uintptr_t server_message, u
     KEvent* event = request->GetEvent();
 
     // Check whether we're closed.
-    const bool closed = (client_thread == nullptr || m_parent->IsClientClosed() || session_closed);
+    const bool closed = (client_thread == nullptr || m_parent->IsClientClosed());
 
     Result result = ResultSuccess;
     if (!closed) {

src/core/hle/kernel/k_server_session.h

@@ -54,14 +54,14 @@ public:
 
     Result OnRequest(KernelCore& kernel, KSessionRequest* request);
     Result SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
-                     KPhysicalAddress server_message_paddr, bool is_hle = false, bool session_closed = false);
+                     KPhysicalAddress server_message_paddr, bool is_hle = false);
     Result ReceiveRequest(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
                           KPhysicalAddress server_message_paddr,
                           std::shared_ptr<Service::HLERequestContext>* out_context = nullptr,
                           std::weak_ptr<Service::SessionRequestManager> manager = {});
 
-    Result SendReplyHLE(KernelCore& kernel, bool session_closed = false) {
+    Result SendReplyHLE(KernelCore& kernel) {
-        R_RETURN(this->SendReply(kernel, 0, 0, 0, true, session_closed));
+        R_RETURN(this->SendReply(kernel, 0, 0, 0, true));
     }
 
     Result ReceiveRequestHLE(KernelCore& kernel, std::shared_ptr<Service::HLERequestContext>* out_context,

src/core/hle/kernel/kernel.cpp

@@ -10,8 +10,7 @@
 #include <functional>
 #include <memory>
 #include <thread>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <utility>
 
 #include "common/assert.h"
@@ -793,8 +792,8 @@ struct KernelCore::Impl {
 
     std::optional<KObjectNameGlobalData> object_name_global_data;
 
-    boost::unordered::unordered_flat_set<KAutoObject*> registered_objects;
+    ankerl::unordered_dense::set<KAutoObject*> registered_objects;
-    boost::unordered::unordered_flat_set<KAutoObject*> registered_in_use_objects;
+    ankerl::unordered_dense::set<KAutoObject*> registered_in_use_objects;
 
     std::mutex server_lock;
     std::vector<std::unique_ptr<Service::ServerManager>> server_managers;

src/core/hle/kernel/kernel.h

@@ -11,8 +11,7 @@
 #include <list>
 #include <memory>
 #include <string>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <vector>
 
 #include "common/polyfill_thread.h"

src/core/hle/kernel/svc/svc_debug_string.cpp

@@ -17,12 +17,56 @@
 
 namespace Kernel::Svc {
 
+constexpr auto MAX_MSG_TIME = std::chrono::milliseconds(250);
+const auto MAX_MSG_SIZE = 0x1000;
+
 /// Used to output a message on a debug hardware unit - does nothing on a retail unit
 Result OutputDebugString(Core::System& system, u64 address, u64 len) {
+    static struct DebugFlusher {
+        std::string msg_buffer;
+        std::mutex msg_mutex;
+        std::condition_variable msg_cv;
+        std::chrono::steady_clock::time_point last_msg_time;
+        std::optional<std::jthread> thread;
+    } flusher_data;
     R_SUCCEED_IF(len == 0);
-    std::string msg_buffer(len, 0);
+    // Only start the thread the very first time this function is called
-    GetCurrentMemory(system.Kernel()).ReadBlock(address, msg_buffer.data(), len);
+    if (!flusher_data.thread) {
-    LOG_INFO(Debug_Emulated, "{}", msg_buffer);
+        flusher_data.thread.emplace([](std::stop_token stop_token) {
+            while (!stop_token.stop_requested()) {
+                std::unique_lock lock(flusher_data.msg_mutex);
+                flusher_data.msg_cv.wait(lock, [&stop_token] {
+                    return !flusher_data.msg_buffer.empty() || stop_token.stop_requested();
+                });
+                if (stop_token.stop_requested() && flusher_data.msg_buffer.empty())
+                    break;
+                auto timeout = flusher_data.last_msg_time + MAX_MSG_TIME;
+                bool woke_early = flusher_data.msg_cv.wait_until(lock, timeout, [&stop_token] {
+                    return flusher_data.msg_buffer.size() >= MAX_MSG_SIZE || stop_token.stop_requested();
+                });
+                if (!woke_early || flusher_data.msg_buffer.size() >= MAX_MSG_SIZE || stop_token.stop_requested()) {
+                    if (!flusher_data.msg_buffer.empty()) {
+                        // Remove trailing newline as LOG_INFO adds that anyways
+                        if (flusher_data.msg_buffer.back() == '\n')
+                            flusher_data.msg_buffer.pop_back();
+
+                        LOG_INFO(Debug_Emulated, "\n{}", flusher_data.msg_buffer);
+                        flusher_data.msg_buffer.clear();
+                    }
+                    if (stop_token.stop_requested()) break;
+                }
+            }
+            flusher_data.msg_cv.notify_all();
+        });
+    }
+    {
+        std::lock_guard lock(flusher_data.msg_mutex);
+        const auto old_size = flusher_data.msg_buffer.size();
+        flusher_data.msg_buffer.resize(old_size + len);
+        GetCurrentMemory(system.Kernel()).ReadBlock(address, flusher_data.msg_buffer.data() + old_size, len);
+        flusher_data.last_msg_time = std::chrono::steady_clock::now();
+    }
+    flusher_data.msg_cv.notify_one();
     R_SUCCEED();
 }
 

src/core/hle/service/am/frontend/applet_web_browser_types.h

@@ -7,8 +7,7 @@
 #pragma once
 
 #include <array>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <vector>
 
 #include "common/common_funcs.h"
@@ -177,6 +176,6 @@ struct WebCommonReturnValue {
 };
 static_assert(sizeof(WebCommonReturnValue) == 0x1010, "WebCommonReturnValue has incorrect size.");
 
-using WebArgInputTLVMap = boost::unordered::unordered_flat_map<WebArgInputTLVType, std::vector<u8>>;
+using WebArgInputTLVMap = ankerl::unordered_dense::map<WebArgInputTLVType, std::vector<u8>>;
 
 } // namespace Service::AM::Frontend

src/core/hle/service/am/process_creation.cpp

@@ -6,6 +6,7 @@
 
 #include <optional>
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/patch_manager.h"
@@ -104,8 +105,16 @@ std::unique_ptr<Process> CreateApplicationProcess(std::vector<u8>& out_control,
 
         // TODO(DarkLordZach): When FSController/Game Card Support is added, if
         // current_process_game_card use correct StorageId
-        launch.base_game_storage_id = GetStorageIdForFrontendSlot(storage.GetSlotForEntry(launch.title_id, FileSys::ContentRecordType::Program));
+        auto base_slot = storage.GetSlotForEntry(launch.title_id, FileSys::ContentRecordType::Program);
-        launch.update_storage_id = GetStorageIdForFrontendSlot(storage.GetSlotForEntry(FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program));
+        if (!base_slot) {
+            base_slot = storage.GetSlotForEntry(FileSys::GetBaseTitleID(launch.title_id), FileSys::ContentRecordType::Program);
+        }
+        launch.base_game_storage_id = GetStorageIdForFrontendSlot(base_slot);
+        auto update_slot = storage.GetSlotForEntry(FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program);
+        if (!update_slot) {
+            update_slot = storage.GetSlotForEntry(FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(launch.title_id)), FileSys::ContentRecordType::Program);
+        }
+        launch.update_storage_id = GetStorageIdForFrontendSlot(update_slot);
 
         system.GetARPManager().Register(launch.title_id, launch, out_control);
         return process;

src/core/hle/service/am/service/application_functions.cpp

@@ -158,7 +158,7 @@ Result IApplicationFunctions::EnsureSaveData(Out<u64> out_size, Common::UUID use
     LOG_INFO(Service_AM, "called, uid={}", user_id.FormattedString());
 
     FileSys::SaveDataAttribute attribute{};
-    attribute.program_id = m_applet->program_id;
+    attribute.program_id = FileSys::GetBaseTitleID(m_applet->program_id);
     attribute.user_id = user_id.AsU128();
     attribute.type = FileSys::SaveDataType::Account;
 
@@ -238,7 +238,7 @@ Result IApplicationFunctions::ExtendSaveData(Out<u64> out_required_size, FileSys
               static_cast<u8>(type), user_id.FormattedString(), normal_size, journal_size);
 
     system.GetFileSystemController().OpenSaveDataController()->WriteSaveDataSize(
-        type, m_applet->program_id, user_id.AsU128(), {normal_size, journal_size});
+        type, FileSys::GetBaseTitleID(m_applet->program_id), user_id.AsU128(), {normal_size, journal_size});
 
     // The following value is used to indicate the amount of space remaining on failure
     // due to running out of space. Since we always succeed, this should be 0.
@@ -252,7 +252,7 @@ Result IApplicationFunctions::GetSaveDataSize(Out<u64> out_normal_size, Out<u64>
     LOG_DEBUG(Service_AM, "called with type={} user_id={}", type, user_id.FormattedString());
 
     const auto size = system.GetFileSystemController().OpenSaveDataController()->ReadSaveDataSize(
-        type, m_applet->program_id, user_id.AsU128());
+        type, FileSys::GetBaseTitleID(m_applet->program_id), user_id.AsU128());
 
     *out_normal_size = size.normal;
     *out_journal_size = size.journal;

src/core/hle/service/bcat/news/builtin_news.cpp

@@ -40,8 +40,8 @@ std::vector<u8> default_logo_small;
 std::vector<u8> default_logo_large;
 bool default_logos_loaded = false;
 
-boost::unordered::unordered_flat_map<std::string, std::vector<u8>> news_images_small;
+ankerl::unordered_dense::map<std::string, std::vector<u8>> news_images_small;
-boost::unordered::unordered_flat_map<std::string, std::vector<u8>> news_images_large;
+ankerl::unordered_dense::map<std::string, std::vector<u8>> news_images_large;
 std::mutex images_mutex;
 
 

src/core/hle/service/bcat/news/news_storage.h

@@ -12,8 +12,7 @@
 #include <optional>
 #include <span>
 #include <string>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <vector>
 
 #include "common/common_types.h"
@@ -94,7 +93,7 @@ private:
     static s64 Now();
 
     mutable std::mutex mtx;
-    boost::unordered::unordered_flat_map<std::string, StoredNews> items;
+    ankerl::unordered_dense::map<std::string, StoredNews> items;
     size_t open_counter{};
 };
 

src/core/hle/service/caps/caps_manager.h

@@ -6,8 +6,7 @@
 
 #pragma once
 
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/fs/fs.h"
 #include "core/hle/result.h"
@@ -89,7 +88,7 @@ private:
     AlbumFileDateTime ConvertToAlbumDateTime(u64 posix_time) const;
 
     bool is_mounted{};
-    boost::unordered::unordered_flat_map<AlbumFileId, std::filesystem::path> album_files;
+    ankerl::unordered_dense::map<AlbumFileId, std::filesystem::path> album_files;
 
     Core::System& system;
 };

src/core/hle/service/filesystem/filesystem.cpp

@@ -14,6 +14,7 @@
 #include "core/core.h"
 #include "core/file_sys/bis_factory.h"
 #include "core/file_sys/card_image.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/patch_manager.h"
@@ -227,13 +228,12 @@ Result VfsDirectoryServiceWrapper::RenameDirectory(const std::string& src_path_,
     std::string src_path(Common::FS::SanitizePath(src_path_));
     std::string dest_path(Common::FS::SanitizePath(dest_path_));
     auto src = GetDirectoryRelativeWrapped(backing, src_path);
-    if (src == nullptr)
-        return FileSys::ResultPathNotFound;
-
     if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
-        std::string full_src_path = backing->GetFullPath() + "/" + src_path;
+        // Use more-optimized vfs implementation rename.
-        std::string full_dest_path = backing->GetFullPath() + "/" + dest_path;
+        if (src == nullptr)
-        if (!Common::FS::RenameDir(full_src_path, full_dest_path)) {
+            return FileSys::ResultPathNotFound;
+        if (!src->Rename(Common::FS::GetFilename(dest_path))) {
+            // TODO(DarkLordZach): Find a better error code for this
             return ResultUnknown;
         }
         return ResultSuccess;
@@ -340,7 +340,7 @@ Result FileSystemController::RegisterProcess(
     registrations.emplace(process_id, Registration{
                                           .program_id = program_id,
                                           .romfs_factory = std::move(romfs_factory),
-                                          .save_data_factory = CreateSaveDataFactory(program_id),
+                                          .save_data_factory = CreateSaveDataFactory(FileSys::GetBaseTitleID(program_id)),
                                       });
 
     LOG_DEBUG(Service_FS, "Registered for process {}", process_id);

src/core/hle/service/filesystem/fsp/fs_i_filesystem.cpp

@@ -24,7 +24,7 @@ IFileSystem::IFileSystem(Core::System& system_, FileSys::VirtualDir dir_, SizeGe
         {3, D<&IFileSystem::DeleteDirectory>, "DeleteDirectory"},
         {4, D<&IFileSystem::DeleteDirectoryRecursively>, "DeleteDirectoryRecursively"},
         {5, D<&IFileSystem::RenameFile>, "RenameFile"},
-        {6, D<&IFileSystem::RenameDirectory>, "RenameDirectory"},
+        {6, nullptr, "RenameDirectory"},
         {7, D<&IFileSystem::GetEntryType>, "GetEntryType"},
         {8, D<&IFileSystem::OpenFile>, "OpenFile"},
         {9, D<&IFileSystem::OpenDirectory>, "OpenDirectory"},
@@ -88,14 +88,6 @@ Result IFileSystem::RenameFile(
     R_RETURN(backend->RenameFile(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
 }
 
-Result IFileSystem::RenameDirectory(
-    const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
-    const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path) {
-    LOG_DEBUG(Service_FS, "called. directory '{}' to directory '{}'", old_path->str, new_path->str);
-
-    R_RETURN(backend->RenameDirectory(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
-}
-
 Result IFileSystem::OpenFile(OutInterface<IFile> out_interface,
                              const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
                              u32 mode) {

src/core/hle/service/filesystem/fsp/fs_i_filesystem.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -39,8 +36,6 @@ public:
         const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
     Result RenameFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
                       const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
-    Result RenameDirectory(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
-                           const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
     Result OpenFile(OutInterface<IFile> out_interface,
                     const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path, u32 mode);
     Result OpenDirectory(OutInterface<IDirectory> out_interface,

src/core/hle/service/filesystem/fsp/fsp_srv.cpp

@@ -18,6 +18,7 @@
 #include "common/settings.h"
 #include "common/string_util.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/fs_directory.h"
@@ -313,7 +314,7 @@ Result FSP_SRV::OpenSaveDataFileSystemBySystemSaveDataId(OutInterface<IFileSyste
              FileSys::ResultInvalidArgument);
 
     if (attribute.program_id == 0) {
-        attribute.program_id = program_id;
+        attribute.program_id = FileSys::GetBaseTitleID(program_id);
     }
 
     FileSys::VirtualDir dir{};

src/core/hle/service/ldn/lan_discovery.h

@@ -15,8 +15,7 @@
 #include <random>
 #include <span>
 #include <thread>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/logging.h"
 #include "common/socket_types.h"
@@ -120,7 +119,7 @@ protected:
     std::array<LanStation, StationCountMax> stations;
     std::array<NodeLatestUpdate, NodeCountMax> node_changes{};
     std::array<u8, NodeCountMax> node_last_states{};
-    boost::unordered::unordered_flat_map<MacAddress, NetworkInfo, MACAddressHash> scan_results{};
+    ankerl::unordered_dense::map<MacAddress, NetworkInfo, MACAddressHash> scan_results{};
     NodeInfo node_info{};
     NetworkInfo network_info{};
     State state{State::None};

src/core/hle/service/lm/lm.cpp

@@ -7,8 +7,7 @@
 #include <string>
 
 #include <optional>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <boost/container_hash/hash.hpp>
 #include "common/logging.h"
 #include "core/core.h"
@@ -332,7 +331,7 @@ private:
     };
     static_assert(sizeof(LogPacketHeader) == 0x18, "LogPacketHeader is an invalid size");
 
-    boost::unordered::unordered_flat_map<LogPacketHeaderEntry, std::vector<u8>> entries{};
+    ankerl::unordered_dense::map<LogPacketHeaderEntry, std::vector<u8>> entries{};
     LogDestination destination{LogDestination::All};
 };
 

src/core/hle/service/nifm/nifm.cpp

@@ -23,8 +23,7 @@
 #include <mutex>
 #include <optional>
 #include <thread>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <common/settings.h>
 
 #ifdef _WIN32

src/core/hle/service/nvdrv/core/container.h

@@ -9,8 +9,7 @@
 
 #include <deque>
 #include <memory>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "core/device_memory_manager.h"
 #include "core/hle/service/nvdrv/nvdata.h"

src/core/hle/service/nvdrv/core/nvmap.h

@@ -12,8 +12,7 @@
 #include <memory>
 #include <mutex>
 #include <optional>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <assert.h>
 
 #include "common/bit_field.h"
@@ -162,7 +161,7 @@ private:
     std::list<std::shared_ptr<Handle>> unmap_queue{};
     std::mutex unmap_queue_lock{}; //!< Protects access to `unmap_queue`
 
-    boost::unordered::unordered_flat_map<Handle::Id, std::shared_ptr<Handle>>
+    ankerl::unordered_dense::map<Handle::Id, std::shared_ptr<Handle>>
         handles{};           //!< Main owning map of handles
     std::mutex handles_lock; //!< Protects access to `handles`
 

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h

@@ -13,8 +13,7 @@
 #include <memory>
 #include <mutex>
 #include <optional>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <vector>
 
 #include "common/address_space.h"
@@ -114,7 +113,7 @@ private:
     };
     static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size");
 
-    boost::unordered::unordered_flat_set<s64_le> map_buffer_offsets{};
+    ankerl::unordered_dense::set<s64_le> map_buffer_offsets{};
 
     struct IoctlMapBufferEx {
         MappingFlags flags{}; // bit0: fixed_offset, bit2: cacheable

src/core/hle/service/nvdrv/devices/nvhost_gpu.h

@@ -217,7 +217,7 @@ private:
     NvCore::SyncpointManager& syncpoint_manager;
     NvCore::NvMap& nvmap;
     std::shared_ptr<Tegra::Control::ChannelState> channel_state;
-    boost::unordered::unordered_flat_map<DeviceFD, NvCore::SessionId> sessions;
+    ankerl::unordered_dense::map<DeviceFD, NvCore::SessionId> sessions;
     u32 channel_syncpoint;
     std::mutex channel_mutex;
 

src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.h

@@ -7,8 +7,7 @@
 #pragma once
 
 #include <deque>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <vector>
 
 #include "common/common_types.h"
@@ -139,7 +138,7 @@ protected:
     NvCore::NvMap& nvmap;
     NvCore::ChannelType channel_type;
     std::array<u32, MaxSyncPoints> device_syncpoints{};
-    boost::unordered::unordered_flat_map<DeviceFD, NvCore::SessionId> sessions;
+    ankerl::unordered_dense::map<DeviceFD, NvCore::SessionId> sessions;
 };
 }; // namespace Devices
 } // namespace Service::Nvidia

src/core/hle/service/nvdrv/devices/nvmap.h

@@ -7,8 +7,7 @@
 #pragma once
 
 #include <memory>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <vector>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -119,7 +118,7 @@ private:
 
     NvCore::Container& container;
     NvCore::NvMap& file;
-    boost::unordered::unordered_flat_map<DeviceFD, NvCore::SessionId> sessions;
+    ankerl::unordered_dense::map<DeviceFD, NvCore::SessionId> sessions;
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/nvdrv.h

@@ -12,8 +12,7 @@
 #include <memory>
 #include <span>
 #include <string>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/common_types.h"
 #include "core/hle/service/kernel_helpers.h"
@@ -104,7 +103,7 @@ private:
     /// Id to use for the next open file descriptor.
     DeviceFD next_fd = 1;
 
-    using FilesContainerType = boost::unordered::unordered_flat_map<DeviceFD, std::shared_ptr<Devices::nvdevice>>;
+    using FilesContainerType = ankerl::unordered_dense::map<DeviceFD, std::shared_ptr<Devices::nvdevice>>;
     /// Mapping of file descriptors to the devices they reference.
     FilesContainerType open_files;
 
@@ -112,7 +111,7 @@ private:
 
     EventInterface events_interface;
 
-    boost::unordered::unordered_flat_map<std::string, std::function<FilesContainerType::iterator(DeviceFD)>> builders;
+    ankerl::unordered_dense::map<std::string, std::function<FilesContainerType::iterator(DeviceFD)>> builders;
 };
 
 void LoopProcess(Core::System& system);

src/core/hle/service/nvnflinger/hos_binder_driver_server.h

@@ -8,8 +8,7 @@
 
 #include <memory>
 #include <mutex>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/common_types.h"
 #include "core/hle/service/nvnflinger/binder.h"
@@ -40,8 +39,8 @@ private:
 
     mutable std::mutex lock;
     s32 last_id = 0;
-    boost::unordered::unordered_flat_map<s32, std::shared_ptr<android::IBinder>> binders;
+    ankerl::unordered_dense::map<s32, std::shared_ptr<android::IBinder>> binders;
-    boost::unordered::unordered_flat_map<s32, RefCounts> refcounts;
+    ankerl::unordered_dense::map<s32, RefCounts> refcounts;
 };
 
 } // namespace Service::Nvnflinger

src/core/hle/service/olsc/daemon_controller.h

@@ -6,8 +6,7 @@
 
 #pragma once
 
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/uuid.h"
 #include "core/hle/service/cmif_types.h"
@@ -57,10 +56,10 @@ private:
         }
     };
 
-    boost::unordered::unordered_flat_map<AppKey, bool, AppKeyHash> app_auto_transfer_{};
+    ankerl::unordered_dense::map<AppKey, bool, AppKeyHash> app_auto_transfer_{};
-    boost::unordered::unordered_flat_map<Common::UUID, bool> global_auto_upload_{};
+    ankerl::unordered_dense::map<Common::UUID, bool> global_auto_upload_{};
-    boost::unordered::unordered_flat_map<Common::UUID, bool> global_auto_download_{};
+    ankerl::unordered_dense::map<Common::UUID, bool> global_auto_download_{};
-    boost::unordered::unordered_flat_map<AppKey, u8, AppKeyHash> autonomy_task_status_{};
+    ankerl::unordered_dense::map<AppKey, u8, AppKeyHash> autonomy_task_status_{};
 };
 
 } // namespace Service::OLSC

src/core/hle/service/server_manager.cpp

@@ -393,7 +393,7 @@ Result ServerManager::CompleteSyncRequest(Session* session) {
     }
 
     // Send the reply.
-    res = server_session->SendReplyHLE(m_system.Kernel(), service_res == IPC::ResultSessionClosed);
+    res = server_session->SendReplyHLE(m_system.Kernel());
 
     // If the session has been closed, we're done.
     if (res == Kernel::ResultSessionClosed || service_res == IPC::ResultSessionClosed) {

src/core/hle/service/service.h

@@ -8,8 +8,7 @@
 
 #include <cstddef>
 #include <mutex>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include "common/common_types.h"
 #include "core/hle/service/hle_ipc.h"
 
@@ -100,8 +99,8 @@ private:
     void ReportUnimplementedFunction(HLERequestContext& ctx, const FunctionInfoBase* info);
 
 protected:
-    boost::unordered::unordered_flat_map<u32, FunctionInfoBase> handlers;
+    ankerl::unordered_dense::map<u32, FunctionInfoBase> handlers;
-    boost::unordered::unordered_flat_map<u32, FunctionInfoBase> handlers_tipc;
+    ankerl::unordered_dense::map<u32, FunctionInfoBase> handlers_tipc;
     /// Used to gain exclusive access to the service members, e.g. from CoreTiming thread.
     std::mutex lock_service;
     /// System context that the service operates under.

src/core/hle/service/sm/sm.h

@@ -10,8 +10,7 @@
 #include <memory>
 #include <mutex>
 #include <string>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <concepts>
 
 #include "core/hle/kernel/k_port.h"
@@ -101,8 +100,8 @@ private:
 
     /// Map of registered services, retrieved using GetServicePort.
     mutable std::mutex lock;
-    boost::unordered::unordered_flat_map<std::string, SessionRequestHandlerFactory> registered_services;
+    ankerl::unordered_dense::map<std::string, SessionRequestHandlerFactory> registered_services;
-    boost::unordered::unordered_flat_map<std::string, Kernel::KClientPort*> service_ports;
+    ankerl::unordered_dense::map<std::string, Kernel::KClientPort*> service_ports;
 
     /// Kernel context
     Kernel::KernelCore& kernel;

src/core/hle/service/vi/conductor.h

@@ -7,8 +7,7 @@
 #pragma once
 
 #include <memory>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "common/common_types.h"
 #include "common/polyfill_thread.h"
@@ -50,7 +49,7 @@ private:
 private:
     Core::System& m_system;
     Container& m_container;
-    boost::unordered::unordered_flat_map<u64, VsyncManager> m_vsync_managers;
+    ankerl::unordered_dense::map<u64, VsyncManager> m_vsync_managers;
     std::shared_ptr<Core::Timing::EventType> m_event;
     Common::Event m_signal;
     std::jthread m_thread;

src/core/launch_timestamp_cache.cpp

@@ -8,7 +8,7 @@
 #include <mutex>
 #include <sstream>
 #include <string>
-#include <boost/container/flat_map.hpp>
+#include <ankerl/unordered_dense.h>
 
 #include <fmt/format.h>
 #include <nlohmann/json.hpp>
@@ -21,9 +21,12 @@
 namespace Core::LaunchTimestampCache {
 namespace {
 
+using CacheMap = ankerl::unordered_dense::map<u64, s64>;
+using CountMap = ankerl::unordered_dense::map<u64, u64>;
+
 std::mutex g_mutex;
-boost::container::flat_map<u64, s64> g_cache;
+CacheMap g_cache;
-boost::container::flat_map<u64, u64> g_counts;
+CountMap g_counts;
 bool g_loaded = false;
 
 std::filesystem::path GetCachePath() {

src/core/loader/loader.cpp

@@ -70,6 +70,15 @@ std::optional<IndexedProgram> ResolveIndexedProgram(Core::System& system, u64 pr
         return IndexedProgram{std::move(update), target_id, true};
     }
 
+    const auto application_update_id =
+        FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(target_id));
+    if (application_update_id != update_id) {
+        if (auto update = provider.GetEntryRaw(application_update_id, FileSys::ContentRecordType::Program)) {
+            LOG_INFO(Loader, "Program index {} has no base program, loading it from application update {:016X}", program_index, application_update_id);
+            return IndexedProgram{std::move(update), target_id, true};
+        }
+    }
+
     LOG_WARNING(Loader, "No program NCA for {:016X} (index {}), falling back to the container",
                 target_id, program_index);
     return std::nullopt;

src/core/loader/nca.cpp

@@ -11,6 +11,7 @@
 #include "common/hex_util.h"
 #include "common/scope_exit.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/nca_metadata.h"
@@ -76,8 +77,13 @@ AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::KProcess& process, Core::S
         LOG_INFO(Loader, "No ExeFS found in NCA, looking for ExeFS from update");
 
         const auto& installed = system.GetContentProvider();
-        const auto update_nca = installed.GetEntry(FileSys::GetUpdateTitleID(nca->GetTitleId()),
+        const auto program_update_id = FileSys::GetUpdateTitleID(nca->GetTitleId());
-                                                   FileSys::ContentRecordType::Program);
+        auto update_nca = installed.GetEntry(program_update_id, FileSys::ContentRecordType::Program);
+        if (update_nca == nullptr) {
+            update_nca = installed.GetEntry(
+                FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(nca->GetTitleId())),
+                FileSys::ContentRecordType::Program);
+        }
 
         if (update_nca) {
             exefs = update_nca->GetExeFS();

src/core/loader/nsp.cpp

@@ -186,8 +186,13 @@ ResultStatus AppLoader_NSP::ReadUpdateRaw(FileSys::VirtualFile& out_file) {
         return ResultStatus::ErrorNoPackedUpdate;
     }
 
-    const auto read = nsp->GetNCAFile(FileSys::GetUpdateTitleID(nsp->GetProgramTitleID()),
+    const auto program_update_id = FileSys::GetUpdateTitleID(nsp->GetProgramTitleID());
-                                      FileSys::ContentRecordType::Program);
+    auto read = nsp->GetNCAFile(program_update_id, FileSys::ContentRecordType::Program);
+    if (read == nullptr) {
+        read = nsp->GetNCAFile(
+            FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(nsp->GetProgramTitleID())),
+            FileSys::ContentRecordType::Program);
+    }
 
     if (read == nullptr) {
         return ResultStatus::ErrorNoPackedUpdate;

src/core/loader/xci.cpp

@@ -9,6 +9,7 @@
 #include "common/common_types.h"
 #include "core/core.h"
 #include "core/file_sys/card_image.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
@@ -137,8 +138,13 @@ ResultStatus AppLoader_XCI::ReadUpdateRaw(FileSys::VirtualFile& out_file) {
         return ResultStatus::ErrorXCIMissingProgramNCA;
     }
 
-    const auto read = xci->GetSecurePartitionNSP()->GetNCAFile(
+    const auto program_update_id = FileSys::GetUpdateTitleID(program_id);
-        FileSys::GetUpdateTitleID(program_id), FileSys::ContentRecordType::Program);
+    auto read = xci->GetSecurePartitionNSP()->GetNCAFile(program_update_id, FileSys::ContentRecordType::Program);
+    if (read == nullptr) {
+        read = xci->GetSecurePartitionNSP()->GetNCAFile(
+            FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(program_id)),
+            FileSys::ContentRecordType::Program);
+    }
     if (read == nullptr) {
         return ResultStatus::ErrorNoPackedUpdate;
     }

src/dynarmic/CMakeLists.txt

@@ -120,6 +120,8 @@ if (NOT Boost_FOUND)
 endif()
 
 find_package(fmt 8 CONFIG)
+find_package(unordered_dense REQUIRED)
+
 if ("arm64" IN_LIST ARCHITECTURE OR DYNARMIC_TESTS)
     find_package(oaknut 2.0.1 CONFIG)
 endif()

src/dynarmic/CMakeModules/dynarmicConfig.cmake.in

@@ -8,6 +8,8 @@ if (NOT @BUILD_SHARED_LIBS@)
     find_dependency(Boost 1.57)
     find_dependency(fmt 9)
     find_dependency(mcl 0.1.12 EXACT)
+    find_dependency(unordered_dense)
+
     if ("arm64" IN_LIST ARCHITECTURE)
         find_dependency(oaknut 2.0.1)
     endif()

src/dynarmic/src/dynarmic/CMakeLists.txt

@@ -386,6 +386,8 @@ set_target_properties(dynarmic PROPERTIES
 )
 
 target_compile_options(dynarmic PRIVATE ${DYNARMIC_CXX_FLAGS})
+
+target_link_libraries(dynarmic PRIVATE unordered_dense::unordered_dense)
 target_link_libraries(dynarmic PUBLIC fmt::fmt common)
 
 if (BOOST_NO_HEADERS)

src/dynarmic/src/dynarmic/backend/arm64/address_space.cpp

@@ -75,7 +75,7 @@ CodePtr AddressSpace::GetOrEmit(IR::LocationDescriptor descriptor) {
     return block_info.entry_point;
 }
 
-void AddressSpace::InvalidateBasicBlocks(const boost::unordered::unordered_flat_set<IR::LocationDescriptor>& descriptors) {
+void AddressSpace::InvalidateBasicBlocks(const ankerl::unordered_dense::set<IR::LocationDescriptor>& descriptors) {
     UnprotectCodeMemory();
 
     for (const auto& descriptor : descriptors) {

src/dynarmic/src/dynarmic/backend/arm64/address_space.h

@@ -14,8 +14,7 @@
 #include "common/common_types.h"
 #include <oaknut/code_block.hpp>
 #include <oaknut/oaknut.hpp>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "dynarmic/backend/arm64/emit_arm64.h"
 #include "dynarmic/backend/arm64/fastmem.h"
@@ -42,7 +41,7 @@ public:
 
     CodePtr GetOrEmit(IR::LocationDescriptor descriptor);
 
-    void InvalidateBasicBlocks(const boost::unordered::unordered_flat_set<IR::LocationDescriptor>& descriptors);
+    void InvalidateBasicBlocks(const ankerl::unordered_dense::set<IR::LocationDescriptor>& descriptors);
 
     void ClearCache();
 protected:
@@ -77,9 +76,9 @@ protected:
     // A IR::LocationDescriptor will have one current CodePtr.
     // However, there can be multiple other CodePtrs which are older, previously invalidated blocks.
     std::map<CodePtr, IR::LocationDescriptor> reverse_block_entries;
-    boost::unordered::unordered_flat_map<IR::LocationDescriptor, CodePtr> block_entries;
+    ankerl::unordered_dense::map<IR::LocationDescriptor, CodePtr> block_entries;
-    boost::unordered::unordered_flat_map<CodePtr, EmittedBlockInfo> block_infos;
+    ankerl::unordered_dense::map<CodePtr, EmittedBlockInfo> block_infos;
-    boost::unordered::unordered_flat_map<IR::LocationDescriptor, boost::unordered::unordered_flat_set<CodePtr>> block_references;
+    ankerl::unordered_dense::map<IR::LocationDescriptor, ankerl::unordered_dense::set<CodePtr>> block_references;
 
     ExceptionHandler exception_handler;
     FastmemManager fastmem_manager;

src/dynarmic/src/dynarmic/backend/arm64/emit_arm64.h

@@ -14,8 +14,7 @@
 #include <vector>
 
 #include "common/common_types.h"
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "dynarmic/backend/arm64/fastmem.h"
 #include "dynarmic/interface/A32/coprocessor.h"
@@ -106,8 +105,8 @@ struct EmittedBlockInfo {
     CodePtr entry_point;
     std::size_t size;
     std::vector<Relocation> relocations;
-    boost::unordered::unordered_flat_map<IR::LocationDescriptor, std::vector<BlockRelocation>> block_relocations;
+    ankerl::unordered_dense::map<IR::LocationDescriptor, std::vector<BlockRelocation>> block_relocations;
-    boost::unordered::unordered_flat_map<std::ptrdiff_t, FastmemPatchInfo> fastmem_patch_info;
+    ankerl::unordered_dense::map<std::ptrdiff_t, FastmemPatchInfo> fastmem_patch_info;
 };
 
 struct EmitConfig {

src/dynarmic/src/dynarmic/backend/arm64/fastmem.h

@@ -10,8 +10,7 @@
 
 #include <cstddef>
 #include <tuple>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "dynarmic/mcl/bit.hpp"
 #include "common/common_types.h"
@@ -60,7 +59,7 @@ public:
 
 private:
     ExceptionHandler& exception_handler;
-    boost::unordered::unordered_flat_set<DoNotFastmemMarker, DoNotFastmemMarkerHash> do_not_fastmem;
+    ankerl::unordered_dense::set<DoNotFastmemMarker, DoNotFastmemMarkerHash> do_not_fastmem;
 };
 
 }  // namespace Dynarmic::Backend::Arm64

src/dynarmic/src/dynarmic/backend/arm64/reg_alloc.h

@@ -18,8 +18,7 @@
 #include "common/common_types.h"
 #include "dynarmic/mcl/is_instance_of_template.hpp"
 #include <oaknut/oaknut.hpp>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "dynarmic/backend/arm64/stack_layout.h"
 #include "dynarmic/ir/cond.h"
@@ -337,7 +336,7 @@ private:
     std::array<HostLocInfo, SpillCount> spills;
 
     mutable std::size_t alloc_candidate_index = 0;
-    boost::unordered::unordered_flat_set<const IR::Inst*> defined_insts;
+    ankerl::unordered_dense::set<const IR::Inst*> defined_insts;
 };
 
 template<typename T>

src/dynarmic/src/dynarmic/backend/block_range_information.cpp

@@ -11,14 +11,13 @@
 #include <boost/icl/interval_map.hpp>
 #include <boost/icl/interval_set.hpp>
 #include "common/common_types.h"
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 namespace Dynarmic::Backend {
 
 template<typename P>
 void BlockRangeInformation<P>::AddRange(boost::icl::discrete_interval<P> range, IR::LocationDescriptor location) {
-    block_ranges.add(std::make_pair(range, boost::unordered::unordered_flat_set<IR::LocationDescriptor>{location}));
+    block_ranges.add(std::make_pair(range, ankerl::unordered_dense::set<IR::LocationDescriptor>{location}));
 }
 
 template<typename P>
@@ -27,8 +26,8 @@ void BlockRangeInformation<P>::ClearCache() {
 }
 
 template<typename P>
-boost::unordered::unordered_flat_set<IR::LocationDescriptor> BlockRangeInformation<P>::InvalidateRanges(const boost::icl::interval_set<P>& ranges) {
+ankerl::unordered_dense::set<IR::LocationDescriptor> BlockRangeInformation<P>::InvalidateRanges(const boost::icl::interval_set<P>& ranges) {
-    boost::unordered::unordered_flat_set<IR::LocationDescriptor> erase_locations;
+    ankerl::unordered_dense::set<IR::LocationDescriptor> erase_locations;
     for (auto invalidate_interval : ranges) {
         auto pair = block_ranges.equal_range(invalidate_interval);
         for (auto it = pair.first; it != pair.second; ++it)

src/dynarmic/src/dynarmic/backend/block_range_information.h

@@ -12,8 +12,7 @@
 
 #include <boost/icl/interval_map.hpp>
 #include <boost/icl/interval_set.hpp>
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 
 #include "dynarmic/ir/location_descriptor.h"
 
@@ -24,8 +23,8 @@ class BlockRangeInformation {
 public:
     void AddRange(boost::icl::discrete_interval<P> range, IR::LocationDescriptor location);
     void ClearCache();
-    boost::unordered::unordered_flat_set<IR::LocationDescriptor> InvalidateRanges(const boost::icl::interval_set<P>& ranges);
+    ankerl::unordered_dense::set<IR::LocationDescriptor> InvalidateRanges(const boost::icl::interval_set<P>& ranges);
-    boost::icl::interval_map<P, boost::unordered::unordered_flat_set<IR::LocationDescriptor>> block_ranges;
+    boost::icl::interval_map<P, ankerl::unordered_dense::set<IR::LocationDescriptor>> block_ranges;
 };
 
 }  // namespace Dynarmic::Backend

src/dynarmic/src/dynarmic/backend/exception_handler_posix.cpp

@@ -17,8 +17,7 @@
 #include <optional>
 #include <shared_mutex>
 
-#include <boost/unordered/unordered_flat_map.hpp>
+#include <ankerl/unordered_dense.h>
-#include <boost/unordered/unordered_flat_set.hpp>
 #include <fmt/format.h>
 #include <sys/mman.h>
 
@@ -56,7 +55,7 @@ class SigHandler {
         });
     }
 
-    boost::unordered::unordered_flat_map<u64, CodeBlockInfo> code_block_infos;
+    ankerl::unordered_dense::map<u64, CodeBlockInfo> code_block_infos;
     std::shared_mutex code_block_infos_mutex;
     struct sigaction old_sa_segv;
     struct sigaction old_sa_bus;