Prepare for v3.1.3

Fix Spanish translation args
Run lupdate-pro and lrelease-pro
2026-10-12 03:24:00 +00:00 · 2021-05-07 19:07:52 -05:00 · 2021-05-07 18:56:08 -05:00 · 2021-05-06 17:26:26 -05:00 · 2021-05-06 17:24:39 -05:00 · 2021-05-06 17:18:47 -05:00
820 changed files with 19670 additions and 209383 deletions
@@ -1,8 +1,12 @@
 ---
 name: Bug report
-about: Create a report to help us address broken functionality
+about: Follow the troubleshooting guide before reporting a bug

 ---
+**READ ME FIRST!**
+If you're here because something basic is not working (like gamepad input, video, or similar), it's probably something specific to your setup, so make sure you've gone through the Troubleshooting Guide first: https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting
+
+If you still have trouble with basic functionality after following the guide, join our Discord server where there are many other volunteers who can help (or direct you back here if it looks like a Moonlight bug after all). https://moonlight-stream.org/discord

 **Describe the bug**
 A clear and concise description of what the bug is.
@@ -16,19 +20,29 @@ If applicable, add screenshots to help explain your problem. If the issue is rel
 **Affected games**
 List the games you've tried that exhibit the issue. To see if the issue is game-specific, try streaming Steam Big Picture with Moonlight and see if the issue persists there.

+**Other Moonlight clients**
+- Does the issue occur when using Moonlight on iOS or Android?
+
 **Moonlight settings (please complete the following information)**
 - Have any settings been adjusted from defaults?
 - If so, which settings have been changed?
 - Does the problem still occur after reverting settings back to default?

+**Gamepad-related issues (please complete if problem is gamepad-related)**
+- Do you have any gamepads connected to your host PC directly?
+- Does the problem still remain if you stream the desktop and use https://html5gamepad.com to test your gamepad?
+  - Instructions for streaming the desktop can be found here: https://github.com/moonlight-stream/moonlight-docs/wiki/Setup-Guide
+
 **Client PC details (please complete the following information)**
 - OS: [e.g. Windows 10 1809]
 - Moonlight Version: [e.g. v0.9.0]
+ - GPU: [e.g. Intel HD Graphics 520]

 **Server PC details (please complete the following information)**
 - OS: [e.g. Windows 10 1809]
 - GeForce Experience version: [e.g. 3.16.0.140]
 - Nvidia GPU driver: [e.g. 417.35]
+ - Antivirus and firewall software: [e.g. Windows Defender and Windows Firewall]

 **Moonlight Logs (please attach)**
 - On Windows, `Moonlight-###.log` files can be found in `%TEMP%`. Simply type that into the File Explorer path field to navigate there.
@@ -0,0 +1 @@
+blank_issues_enabled: false
@@ -0,0 +1,4 @@
+issuesOpened: >
+  If this is a question about Moonlight or you need help troubleshooting a streaming problem, please use the help channels on our [Discord server](https://moonlight-stream.org/discord) instead of GitHub issues. There are many more people available on Discord to help you and answer your questions.<br /><br />
+  This issue tracker should only be used for specific bugs or feature requests.<br /><br />
+  Thank you, and happy streaming!
@@ -9,7 +9,11 @@
 	url = https://github.com/gabomdq/SDL_GameControllerDB.git
 [submodule "soundio/libsoundio"]
 	path = soundio/libsoundio
-	url = https://github.com/andrewrk/libsoundio.git
+	url = https://github.com/cgutman/libsoundio.git
 [submodule "h264bitstream/h264bitstream"]
 	path = h264bitstream/h264bitstream
 	url = https://github.com/aizvorski/h264bitstream.git
+[submodule "libs"]
+	path = libs
+	url = https://github.com/cgutman/moonlight-qt-prebuilts.git
+	shallow = true
@@ -1,53 +0,0 @@
-language: cpp
-
-git:
-  depth: 1
-
-env:
-  - NJOBS=2
-
-matrix:
-  include:
-    - os: osx
-      compiler: clang
-    - os: linux
-      sudo: required
-      dist: xenial
-      compiler: gcc
-      addons:
-        apt:
-          sources:
-            - sourceline: 'ppa:beineri/opt-qt597-xenial'
-            - sourceline: 'ppa:jonathonf/ffmpeg-4'
-          packages:
-            - qt59base
-            - qt59quickcontrols2
-            - qt59svg
-            - libesd0-dev
-            - libgl-dev
-            - libegl1-mesa-dev
-            - libxkbcommon-dev
-            - wayland-protocols
-            - libopus-dev
-            - libavcodec-dev
-            - libavutil-dev
-            - libva-dev
-            - libvdpau-dev
-
-install:
-    - '[ "$TRAVIS_OS_NAME" != osx ] || brew install qt5'
-    - '[ "$TRAVIS_OS_NAME" != osx ] || brew link --force qt5'
-    - if [[ "$TRAVIS_OS_NAME" = "linux" ]]; then export SDL2_VER=2.0.9 && wget https://www.libsdl.org/release/SDL2-$SDL2_VER.tar.gz && tar -xvf SDL2-$SDL2_VER.tar.gz && cd SDL2-$SDL2_VER && ./configure && make -j$NJOBS && sudo make install && cd ..; fi
-    - if [[ "$TRAVIS_OS_NAME" = "linux" ]]; then export SDL2_TTF_VER=2.0.15 && wget https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-$SDL2_TTF_VER.tar.gz && tar -xvf SDL2_ttf-$SDL2_TTF_VER.tar.gz && cd SDL2_ttf-$SDL2_TTF_VER && ./configure && make -j$NJOBS && sudo make install && cd ..; fi
-
-before_script:
-    - '[ "$TRAVIS_OS_NAME" != "linux" ] || source /opt/qt59/bin/qt59-env.sh'
-    - qmake -v
-    - '[[ "$TRAVIS_OS_NAME" != linux || "$CXX" != clang++ ]] || export QMAKESPEC=linux-clang'
-    - '[[ "$TRAVIS_OS_NAME" != linux || "$CXX" != g++     ]] || export QMAKESPEC=linux-g++'
-    - '[ "$TRAVIS_OS_NAME" != osx ]                          || export QMAKESPEC=macx-clang'
-
-script:
-    - qmake moonlight-qt.pro -spec $QMAKESPEC
-    - make -j$NJOBS debug
-    - make -j$NJOBS release
@@ -3,11 +3,7 @@ QT       -= core gui
 TARGET = AntiHooking
 TEMPLATE = lib

-# Support debug and release builds from command line for CI
-CONFIG += debug_and_release
-
-# Ensure symbols are always generated
-CONFIG += force_debug_info
+include(../globaldefs.pri)

 INCLUDEPATH += $$PWD/../libs/windows/include
 contains(QT_ARCH, i386) {
@@ -131,14 +131,81 @@ private:
    static LoadLibraryExWFunc s_RealLoadLibraryExW;

    static constexpr LPCWSTR k_BlacklistedDlls[] = {
-        // This DLL shipped with ASUS Sonic Radar 3 improperly handles
-        // D3D9 exclusive fullscreen in a way that causes CreateDeviceEx()
-        // to deadlock. https://github.com/moonlight-stream/moonlight-qt/issues/102
-        L"NahimicOSD.dll",
+        // These A-Volute DLLs shipped with various audio driver packages improperly handle
+        // D3D9 exclusive fullscreen in a way that causes CreateDeviceEx() to deadlock.
+        // https://github.com/moonlight-stream/moonlight-qt/issues/102
+        L"NahimicOSD.dll", // ASUS Sonic Radar 3
+        L"SSAudioOSD.dll", // SteelSeries headsets
+        L"SS2OSD.dll", // ASUS Sonic Studio 2
+        L"Nahimic2OSD.dll",
+        L"NahimicMSIOSD.dll",
+        L"nhAsusPhoebusOSD.dll" // ASUS Phoebus
+
        // This DLL has been seen in several crash reports. Some Googling
        // suggests it's highly unstable and causes issues in many games.
        L"EZFRD32.dll",
        L"EZFRD64.dll",
+
+        // These are the newer dList DLLs for Optimus hybrid graphics DDI.
+        // https://docs.microsoft.com/en-us/windows-hardware/drivers/display/hybrid-system-ddi
+        //
+        // We forcefully block them from loading because Optimus has a bug that
+        // deadlocks DXVA2 when we present with D3DPRESENT_DONOTWAIT. This will prevent
+        // Optimus from ever using the dGPU even if the user has requested it.
+        // https://github.com/moonlight-stream/moonlight-qt/issues/240
+        // https://github.com/moonlight-stream/moonlight-qt/issues/235
+        L"nvdlist.dll",
+        L"nvdlistx.dll",
+
+        // These are the older dList/AppInit DLLs for Optimus hybrid graphics DDI.
+        // https://docs.microsoft.com/en-us/windows-hardware/drivers/display/hybrid-system-ddi
+        //
+        // These seem to cause a crash in PresentEx() in full-screen exclusive mode.
+        // This block will prevent Optimus from ever using the dGPU even if the user has requested it.
+        // https://github.com/moonlight-stream/moonlight-qt/issues/386
+        //
+        // d3d9!CSwapChain::BltToHybridPrimary+0x200:
+        // 00007ffa`23f37e58 488b01          mov     rax,qword ptr [rcx] ds:00000000`00000038=????????????????
+        // 00 0000004e`496ff4e0 00007ffa`23f39e2c d3d9!CSwapChain::BltToHybridPrimary+0x200
+        // 01 0000004e`496ff880 00007ffa`23ee39ce d3d9!CSwapChain::FlipToSurface+0x15c
+        // 02 0000004e`496ff900 00007ffa`23f4dd75 d3d9!CSwapChain::PresentMain+0x3e13e
+        // 03 0000004e`496ffab0 00007ffa`23f4dccd d3d9!CBaseDevice::PresentMain+0x9d
+        // 04 0000004e`496ffb00 00007ff7`8e31016f d3d9!CBaseDevice::PresentEx+0xbd
+        // 05 0000004e`496ffb50 00007ff7`8e30df1e Moonlight!DXVA2Renderer::renderFrame+0x61f [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\dxva2.cpp @ 1035]
+        // 06 0000004e`496ffd50 00007ff7`8e30e46a Moonlight!Pacer::renderFrame+0x3e [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\pacer\pacer.cpp @ 265]
+        // 07 (Inline Function) --------`-------- Moonlight!Pacer::renderLastFrameAndUnlock+0x197 [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\pacer\pacer.cpp @ 156]
+        // 08 0000004e`496ffda0 00007ffa`14476978 Moonlight!Pacer::renderThread+0x1ca [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\pacer\pacer.cpp @ 88]
+        // 09 0000004e`496ffde0 00007ffa`14476ee2 SDL2!SDL_RunThread+0x38 [C:\Users\camer\SDL\src\thread\SDL_thread.c @ 276]
+        // 0a 0000004e`496ffe10 00007ffa`2aae0e82 SDL2!RunThread+0x12 [C:\Users\camer\SDL\src\thread\windows\SDL_systhread.c @ 83]
+        // 0b 0000004e`496ffe40 00007ffa`2d627bd4 ucrtbase!thread_start<unsigned int (__cdecl*)(void *),1>+0x42
+        // 0c 0000004e`496ffe70 00007ffa`2da4ce51 kernel32!BaseThreadInitThunk+0x14
+        // 0d 0000004e`496ffea0 00000000`00000000 ntdll!RtlUserThreadStart+0x21
+        //
+        L"nvinit.dll",
+        L"nvinitx.dll",
+
+        // In some unknown circumstances, RTSS tries to hook in the middle of an instruction, leaving garbage
+        // code inside d3d9.dll that causes a crash when executed:
+        //
+        // 0:000> u
+        // d3d9!D3D9GetCurrentOwnershipMode+0x5d:
+        // 00007ff8`95b95861 9b              wait
+        // 00007ff8`95b95862 a7              cmps    dword ptr [rsi],dword ptr [rdi]   <--- crash happens here
+        // 00007ff8`95b95863 ff              ???
+        // 00007ff8`95b95864 bfe8ca8a00      mov     edi,8ACAE8h
+        // 00007ff8`95b95869 00eb            add     bl,ch
+        // 00007ff8`95b9586b f1              ???
+        // 00007ff8`95b9586c b808000000      mov     eax,8
+        // 00007ff8`95b95871 ebe6            jmp     d3d9!D3D9GetCurrentOwnershipMode+0x55 (00007ff8`95b95859)
+        //
+        // Disassembling starting at the exact address of the attempted hook yields the intended jmp instruction
+        //
+        // 0:000> u d3d9!D3D9GetCurrentOwnershipMode+0x5c:
+        // 00007ff8`95b95860 e99ba7ffbf      jmp     00007ff8`55b90000
+        //
+        // Since the RTSS OSD doesn't even work with DXVA2, we'll just block the hooks entirely.
+        L"RTSSHooks.dll",
+        L"RTSSHooks64.dll",
    };
 };

@@ -2,50 +2,64 @@

 [Moonlight PC](https://moonlight-stream.org) is an open source implementation of NVIDIA's GameStream, as used by the NVIDIA Shield, but built to run on Windows, Mac, and Linux. This client is the successor to [Moonlight Chrome](https://github.com/moonlight-stream/moonlight-chrome) for streaming on PC.

-Moonlight also has mobile versions for [Android](https://github.com/moonlight-stream/moonlight-android) and  [iOS](https://github.com/moonlight-stream/moonlight-ios).
+Moonlight also has mobile versions for [Android](https://github.com/moonlight-stream/moonlight-android) and [iOS](https://github.com/moonlight-stream/moonlight-ios).

-You can follow development on our [Discord server](https://discord.gg/6ERtzFY).
+You can follow development on our [Discord server](https://moonlight-stream.org/discord) and help translate Moonlight into your language on [Weblate](https://hosted.weblate.org/projects/moonlight/moonlight-qt/).

- [![Windows AppVeyor Status](https://ci.appveyor.com/api/projects/status/glj5cxqwy2w3bglv/branch/master?svg=true)](https://ci.appveyor.com/project/cgutman/moonlight-qt/branch/master)
- [![Mac and Linux Travis CI Status](https://travis-ci.org/moonlight-stream/moonlight-qt.svg?branch=master)](https://travis-ci.org/moonlight-stream/moonlight-qt)
+ [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/glj5cxqwy2w3bglv/branch/master?svg=true)](https://ci.appveyor.com/project/cgutman/moonlight-qt/branch/master)
+ [![Downloads](https://img.shields.io/github/downloads/moonlight-stream/moonlight-qt/total)](https://github.com/moonlight-stream/moonlight-qt/releases)
+ [![Translation Status](https://hosted.weblate.org/widgets/moonlight/-/moonlight-qt/svg-badge.svg)](https://hosted.weblate.org/projects/moonlight/moonlight-qt/)

 ## Features
 - Hardware accelerated video decoding on Windows, Mac, and Linux
 - Supports streaming at up to 120 FPS (high refresh rate monitor recommended)
 - Supports streaming at 720p, 1080p, 1440p, 4K, and the client PC's native screen resolution
- - 5.1 surround sound audio
+ - 7.1 surround sound audio support
+ - Support for both pointer capture (for games) and direct mouse control (for remote desktop)
+ - Support for passing system-wide keyboard shortcuts like Alt+Tab to the host
+ - Direct touchscreen mouse control
 - HEVC support for better image quality at reduced bandwidth
- - Keyboard and mouse support
 - Gamepad support with force feedback for up to 4 players
 
 ## Downloads
 - [Windows, macOS, and Steam Link](https://github.com/moonlight-stream/moonlight-qt/releases)
 - [Snap (for Ubuntu-based Linux distros)](https://snapcraft.io/moonlight)
 - [Flatpak (for other Linux distros)](https://flathub.org/apps/details/com.moonlight_stream.Moonlight)
+- [AppImage](https://github.com/moonlight-stream/moonlight-qt/releases)
+- [Raspberry Pi 4](https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-Raspberry-Pi-4)
+- [NVIDIA Jetson and Nintendo Switch (Ubuntu L4T)](https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-Linux4Tegra-(L4T)-Ubuntu)
+
+#### Special Thanks
+
+[![Hosted By: Cloudsmith](https://img.shields.io/badge/OSS%20hosting%20by-cloudsmith-blue?logo=cloudsmith&style=flat-square)](https://cloudsmith.com)
+
+Hosting for Moonlight's Raspberry Pi and L4T package repositories is graciously provided for free by [Cloudsmith](https://cloudsmith.com).

 ## Building
-### General Build Requirements
-* Qt 5.9 SDK or later

-### Windows-specific Build Requirements
+### Windows Build Requirements
+* Qt 5.15 SDK or later
 * Windows 7 or later
-* [Visual Studio](https://visualstudio.microsoft.com/downloads/) 2015 or later (Community edition is fine)
-* Select MSVC Desktop toolchain during Qt installation
-* [DirectX SDK](https://www.microsoft.com/en-us/download/details.aspx?id=6812)
+* [Visual Studio 2019](https://visualstudio.microsoft.com/downloads/) (Community edition is fine)
+* Select **MSVC 2019** option during Qt installation. MinGW is not supported.
 * [7-Zip](https://www.7-zip.org/) (only if building installers for non-development PCs)
-* [WiX Toolset](http://wixtoolset.org/releases/) v3.11 or later (only if building installers for non-development PCs)
+* [WiX Toolset](https://wixtoolset.org/releases/) v3.11 or later (only if building installers for non-development PCs)

-### Mac-specific Build Requirements
-* macOS Sierra (10.12) or later
-* Xcode 10
+### macOS Build Requirements
+* Qt 5.15 SDK or later
+* macOS High Sierra (10.13) or later
+* Xcode 11
 * [create-dmg](https://github.com/sindresorhus/create-dmg) (only if building DMGs for use on non-development Macs)

-### Linux-specific Build Requirements
+### Linux/Unix Build Requirements
+* Qt 5.9 SDK or later
 * GCC or Clang
-* Install your distro equivalents of: `openssl-devel qt5-devel SDL2-devel ffmpeg-devel qt5-qtquickcontrols2-devel libva-devel libvdpau-devel opus-devel pulseaudio-libs-devel alsa-lib-devel SDL2_ttf-devel`
-* FFmpeg 4.0 is required to build. If your distro doesn't package FFmpeg 4.0, you can build and install it from source on http://ffmpeg.org/
+* Install the required packages:
+  * Debian/Ubuntu: `libegl1-mesa-dev libgl1-mesa-dev libopus-dev libqt5svg5-dev libsdl2-dev libsdl2-ttf-dev libssl-dev libavcodec-dev libva-dev libvdpau-dev libxkbcommon-dev qt5-default qt5-qmake qtbase5-dev qtdeclarative5-dev qtquickcontrols2-5-dev wayland-protocols qml-module-qtquick-controls2 qml-module-qtquick-layouts qml-module-qtquick-window2 qml-module-qtquick2`
+  * RedHat/Fedora: `openssl-devel SDL2-devel SDL2_ttf-devel ffmpeg-devel qt5-qtsvg-devel qt5-qtquickcontrols2-devel libva-devel libvdpau-devel opus-devel pulseaudio-libs-devel alsa-lib-devel`
+* FFmpeg 4.0+ is required to build. If your distro doesn't package FFmpeg 4.0 or later, you can build and install it from source on https://ffmpeg.org/

-### Steam Link-specific Build Requirements
+### Steam Link Build Requirements
 * [Steam Link SDK](https://github.com/ValveSoftware/steamlink-sdk) cloned on your build system
 * STEAMLINK_SDK_PATH environment variable set to the Steam Link SDK path

@@ -57,10 +71,12 @@ You can follow development on our [Discord server](https://discord.gg/6ERtzFY).
 2. Run `git submodule update --init --recursive` from within `moonlight-qt/`
 3. Open the project in Qt Creator or build from qmake on the command line.
    * To build a binary for use on non-development machines, use the scripts in the `scripts` folder.
-        * For Windows builds, use `scripts\generate-installers.bat`. Execute this script from the root of the repository within a Qt command prompt. Ensure WiX and 7-Zip binary directories are in your `%PATH%`.
+        * For Windows builds, use `scripts\build-arch.bat` and `scripts\generate-bundle.bat`. Execute these scripts from the root of the repository within a Qt command prompt. Ensure WiX and 7-Zip binary directories are in your `%PATH%`.
        * For macOS builds, use `scripts/generate-dmg.sh`. Execute this script from the root of the repository and ensure Qt's `bin` folder is in your `$PATH`.
        * For Steam Link builds, run `scripts/build-steamlink-app.sh` from the root of the repository.
    * To build from the command line for development use, run `qmake moonlight-qt.pro` then `make debug` or `make release`
+    * To create an embedded build for a single-purpose device, use `qmake "CONFIG+=embedded" moonlight-qt.pro` and build normally.
+        * This build will lack windowed mode, Discord/Help links, and other features that don't make sense on an embedded device.

 ## Contribute
 1. Fork us
@@ -17,7 +17,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.11</string>
+	<string>10.13</string>
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
@@ -8,11 +8,7 @@ unix:!macx {
    TARGET = Moonlight
 }

-# Support debug and release builds from command line for CI
-CONFIG += debug_and_release
-
-# Ensure symbols are always generated
-CONFIG += force_debug_info
+include(../globaldefs.pri)

 # Precompile QML files to avoid writing qmlcache on portable versions.
 # Since this binds the app against the Qt runtime version, we will only
@@ -37,20 +33,19 @@ DEFINES += QT_DEPRECATED_WARNINGS
 DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

 win32 {
-    INCLUDEPATH += \
-        $$PWD/../libs/windows/include \
-        $$(DXSDK_DIR)/Include
+    INCLUDEPATH += $$PWD/../libs/windows/include

    contains(QT_ARCH, i386) {
        LIBS += -L$$PWD/../libs/windows/lib/x86
-        LIBS += -L$$(DXSDK_DIR)/Lib/x86
    }
    contains(QT_ARCH, x86_64) {
        LIBS += -L$$PWD/../libs/windows/lib/x64
-        LIBS += -L$$(DXSDK_DIR)/Lib/x64
+    }
+    contains(QT_ARCH, arm64) {
+        LIBS += -L$$PWD/../libs/windows/lib/arm64
    }

-    LIBS += ws2_32.lib winmm.lib dxva2.lib ole32.lib gdi32.lib user32.lib d3d9.lib dwmapi.lib dbghelp.lib
+    LIBS += ws2_32.lib winmm.lib dxva2.lib ole32.lib gdi32.lib user32.lib d3d9.lib dwmapi.lib dbghelp.lib qwave.lib
 }
 macx {
    INCLUDEPATH += $$PWD/../libs/mac/include
@@ -63,20 +58,6 @@ unix:!macx {
    CONFIG += link_pkgconfig
    PKGCONFIG += openssl sdl2 SDL2_ttf opus

-    # SLAudio is used on Steam Link
-    !config_SL {
-        CONFIG += soundio
-    }
-
-    soundio {
-        packagesExist(libpulse) {
-            PKGCONFIG += libpulse
-        }
-        packagesExist(alsa) {
-            PKGCONFIG += alsa
-        }
-    }
-
    packagesExist(libavcodec) {
        PKGCONFIG += libavcodec libavutil
        CONFIG += ffmpeg
@@ -88,32 +69,56 @@ unix:!macx {
            packagesExist(libva-wayland) {
                CONFIG += libva-wayland
            }
+            packagesExist(libva-drm) {
+                CONFIG += libva-drm
+            }
            CONFIG += libva
        }

        packagesExist(vdpau) {
            CONFIG += libvdpau
        }
+
+        packagesExist(mmal) {
+            PKGCONFIG += mmal
+            CONFIG += mmal
+        }
+
+        packagesExist(libdrm) {
+            PKGCONFIG += libdrm
+            CONFIG += libdrm
+        }
+    }
+
+    packagesExist(wayland-client) {
+        DEFINES += HAS_WAYLAND
+        PKGCONFIG += wayland-client
+    }
+
+    packagesExist(x11) {
+        DEFINES += HAS_X11
+        PKGCONFIG += x11
    }
 }
 win32 {
-    LIBS += -llibssl -llibcrypto -lSDL2 -lSDL2_ttf -lavcodec -lavutil -lopus -ld3dx9
+    LIBS += -llibssl -llibcrypto -lSDL2 -lSDL2_ttf -lavcodec -lavutil -lopus
    CONFIG += ffmpeg
 }
 win32:!winrt {
-    CONFIG += soundio
+    CONFIG += soundio discord-rpc
 }
 macx {
    LIBS += -lssl -lcrypto -lavcodec.58 -lavutil.56 -lopus -framework SDL2 -framework SDL2_ttf
-    LIBS += -lobjc -framework VideoToolbox -framework AVFoundation -framework CoreVideo -framework CoreGraphics -framework CoreMedia -framework AppKit
+    LIBS += -lobjc -framework VideoToolbox -framework AVFoundation -framework CoreVideo -framework CoreGraphics -framework CoreMedia -framework AppKit -framework Metal

    # For libsoundio
    LIBS += -framework CoreAudio -framework AudioUnit

-    CONFIG += ffmpeg soundio
+    CONFIG += ffmpeg soundio discord-rpc
 }

 SOURCES += \
+    backend/nvapp.cpp \
    main.cpp \
    backend/computerseeker.cpp \
    backend/identitymanager.cpp \
@@ -122,11 +127,20 @@ SOURCES += \
    backend/nvpairingmanager.cpp \
    backend/computermanager.cpp \
    backend/boxartmanager.cpp \
+    backend/richpresencemanager.cpp \
    cli/commandlineparser.cpp \
    cli/quitstream.cpp \
    cli/startstream.cpp \
+    settings/compatfetcher.cpp \
+    settings/mappingfetcher.cpp \
    settings/streamingpreferences.cpp \
-    streaming/input.cpp \
+    streaming/input/abstouch.cpp \
+    streaming/input/clipboard.cpp \
+    streaming/input/gamepad.cpp \
+    streaming/input/input.cpp \
+    streaming/input/keyboard.cpp \
+    streaming/input/mouse.cpp \
+    streaming/input/reltouch.cpp \
    streaming/session.cpp \
    streaming/audio/audio.cpp \
    streaming/audio/renderers/sdlaud.cpp \
@@ -138,9 +152,13 @@ SOURCES += \
    settings/mappingmanager.cpp \
    gui/sdlgamepadkeynavigation.cpp \
    streaming/video/overlaymanager.cpp \
-    backend/systemproperties.cpp
+    backend/systemproperties.cpp \
+    wm.cpp

 HEADERS += \
+    backend/nvapp.h \
+    settings/compatfetcher.h \
+    settings/mappingfetcher.h \
    utils.h \
    backend/computerseeker.h \
    backend/identitymanager.h \
@@ -149,11 +167,12 @@ HEADERS += \
    backend/nvpairingmanager.h \
    backend/computermanager.h \
    backend/boxartmanager.h \
+    backend/richpresencemanager.h \
    cli/commandlineparser.h \
    cli/quitstream.h \
    cli/startstream.h \
    settings/streamingpreferences.h \
-    streaming/input.h \
+    streaming/input/input.h \
    streaming/session.h \
    streaming/audio/renderers/renderer.h \
    streaming/audio/renderers/sdl.h \
@@ -176,6 +195,7 @@ ffmpeg {
    SOURCES += \
        streaming/video/ffmpeg.cpp \
        streaming/video/ffmpeg-renderers/sdlvid.cpp \
+        streaming/video/ffmpeg-renderers/cuda.cpp \
        streaming/video/ffmpeg-renderers/pacer/pacer.cpp \
        streaming/video/ffmpeg-renderers/pacer/nullthreadedvsyncsource.cpp

@@ -183,6 +203,7 @@ ffmpeg {
        streaming/video/ffmpeg.h \
        streaming/video/ffmpeg-renderers/renderer.h \
        streaming/video/ffmpeg-renderers/sdlvid.h \
+        streaming/video/ffmpeg-renderers/cuda.h \
        streaming/video/ffmpeg-renderers/pacer/pacer.h \
        streaming/video/ffmpeg-renderers/pacer/nullthreadedvsyncsource.h
 }
@@ -206,6 +227,12 @@ libva-wayland {
    PKGCONFIG += libva-wayland
    DEFINES += HAVE_LIBVA_WAYLAND
 }
+libva-wayland {
+    message(VAAPI DRM support enabled)
+
+    PKGCONFIG += libva-drm
+    DEFINES += HAVE_LIBVA_DRM
+}
 libvdpau {
    message(VDPAU renderer selected)

@@ -213,10 +240,40 @@ libvdpau {
    SOURCES += streaming/video/ffmpeg-renderers/vdpau.cpp
    HEADERS += streaming/video/ffmpeg-renderers/vdpau.h
 }
+mmal {
+    message(MMAL renderer selected)
+
+    DEFINES += HAVE_MMAL
+    SOURCES += streaming/video/ffmpeg-renderers/mmal.cpp
+    HEADERS += streaming/video/ffmpeg-renderers/mmal.h
+}
+libdrm {
+    message(DRM renderer selected)
+
+    DEFINES += HAVE_DRM
+    SOURCES += streaming/video/ffmpeg-renderers/drm.cpp
+    HEADERS += streaming/video/ffmpeg-renderers/drm.h
+
+    linux {
+        message(Master hooks enabled)
+        SOURCES += masterhook.c
+        LIBS += -ldl
+    }
+}
+config_EGL {
+    message(EGL renderer selected)
+
+    CONFIG += egl
+    DEFINES += HAVE_EGL
+    SOURCES += \
+        streaming/video/ffmpeg-renderers/eglvid.cpp \
+        streaming/video/ffmpeg-renderers/egl_extensions.cpp
+    HEADERS += streaming/video/ffmpeg-renderers/eglvid.h
+}
 config_SL {
    message(Steam Link build configuration selected)

-    DEFINES += STEAM_LINK HAVE_SLVIDEO HAVE_SLAUDIO
+    DEFINES += EMBEDDED_BUILD STEAM_LINK HAVE_SLVIDEO HAVE_SLAUDIO
    LIBS += -lSLVideo -lSLAudio

    SOURCES += \
@@ -241,12 +298,10 @@ macx {
    message(VideoToolbox renderer selected)

    SOURCES += \
-        streaming/video/ffmpeg-renderers/vt.mm \
-        streaming/video/ffmpeg-renderers/pacer/displaylinkvsyncsource.mm
+        streaming/video/ffmpeg-renderers/vt.mm

    HEADERS += \
-        streaming/video/ffmpeg-renderers/vt.h \
-        streaming/video/ffmpeg-renderers/pacer/displaylinkvsyncsource.h
+        streaming/video/ffmpeg-renderers/vt.h
 }
 soundio {
    message(libsoundio audio renderer selected)
@@ -255,11 +310,30 @@ soundio {
    SOURCES += streaming/audio/renderers/soundioaudiorenderer.cpp
    HEADERS += streaming/audio/renderers/soundioaudiorenderer.h
 }
+discord-rpc {
+    message(Discord integration enabled)
+
+    LIBS += -ldiscord-rpc
+    DEFINES += HAVE_DISCORD
+}
+embedded {
+    message(Embedded build)
+
+    DEFINES += EMBEDDED_BUILD
+}

 RESOURCES += \
    resources.qrc \
    qml.qrc

+TRANSLATIONS += \
+    languages/qml_zh_cn.ts \
+    languages/qml_de.ts \
+    languages/qml_fr.ts \
+    languages/qml_nb_NO.ts \
+    languages/qml_ru.ts \
+    languages/qml_es.ts
+
 # Additional import path used to resolve QML modules in Qt Creator's code model
 QML_IMPORT_PATH =

@@ -297,11 +371,13 @@ INCLUDEPATH += $$PWD/../h264bitstream/h264bitstream
 DEPENDPATH += $$PWD/../h264bitstream/h264bitstream

 !winrt {
-    win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../AntiHooking/release/ -lAntiHooking
-    else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../AntiHooking/debug/ -lAntiHooking
+    contains(QT_ARCH, i386)|contains(QT_ARCH, x86_64) {
+        win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../AntiHooking/release/ -lAntiHooking
+        else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../AntiHooking/debug/ -lAntiHooking

-    INCLUDEPATH += $$PWD/../AntiHooking
-    DEPENDPATH += $$PWD/../AntiHooking
+        INCLUDEPATH += $$PWD/../AntiHooking
+        DEPENDPATH += $$PWD/../AntiHooking
+    }
 }

 unix:!macx: {
@@ -347,10 +423,13 @@ macx {
    APP_BUNDLE_RESOURCES.files = moonlight.icns
    APP_BUNDLE_RESOURCES.path = Contents/Resources

-    APP_BUNDLE_FRAMEWORKS.files = $$files(../libs/mac/Frameworks/*.framework, true)
+    APP_BUNDLE_FRAMEWORKS.files = $$files(../libs/mac/Frameworks/*.framework, true) $$files(../libs/mac/lib/*.dylib, true)
    APP_BUNDLE_FRAMEWORKS.path = Contents/Frameworks

-    QMAKE_BUNDLE_DATA += APP_BUNDLE_RESOURCES APP_BUNDLE_FRAMEWORKS
+    APP_BUNDLE_PLIST.files = $$OUT_PWD/Info.plist
+    APP_BUNDLE_PLIST.path = Contents
+
+    QMAKE_BUNDLE_DATA += APP_BUNDLE_RESOURCES APP_BUNDLE_FRAMEWORKS APP_BUNDLE_PLIST

    QMAKE_RPATHDIR += @executable_path/../Frameworks
 }
@@ -15,8 +15,8 @@ AutoUpdateChecker::AutoUpdateChecker(QObject *parent) :
    // Allow HTTP redirects
    m_Nam.setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);

-    connect(&m_Nam, SIGNAL(finished(QNetworkReply*)),
-            this, SLOT(handleUpdateCheckRequestFinished(QNetworkReply*)));
+    connect(&m_Nam, &QNetworkAccessManager::finished,
+            this, &AutoUpdateChecker::handleUpdateCheckRequestFinished);

    QString currentVersion(VERSION_STR);
    qDebug() << "Current Moonlight version:" << currentVersion;
@@ -28,10 +28,24 @@ AutoUpdateChecker::AutoUpdateChecker(QObject *parent) :

 void AutoUpdateChecker::start()
 {
-#if defined(Q_OS_WIN32) || defined(Q_OS_DARWIN) // Only run update checker on platforms without auto-update
+#if defined(Q_OS_WIN32) || defined(Q_OS_DARWIN) || defined(STEAM_LINK) || defined(APP_IMAGE) // Only run update checker on platforms without auto-update
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 15, 1) && !defined(QT_NO_BEARERMANAGEMENT)
+    // HACK: Set network accessibility to work around QTBUG-80947 (introduced in Qt 5.14.0 and fixed in Qt 5.15.1)
+    QT_WARNING_PUSH
+    QT_WARNING_DISABLE_DEPRECATED
+    m_Nam.setNetworkAccessible(QNetworkAccessManager::Accessible);
+    QT_WARNING_POP
+#endif
+
    // We'll get a callback when this is finished
    QUrl url("https://moonlight-stream.org/updates/qt.json");
-    m_Nam.get(QNetworkRequest(url));
+    QNetworkRequest request(url);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    request.setAttribute(QNetworkRequest::Http2AllowedAttribute, true);
+#else
+    request.setAttribute(QNetworkRequest::HTTP2AllowedAttribute, true);
+#endif
+    m_Nam.get(request);
 #endif
 }

@@ -43,13 +57,59 @@ void AutoUpdateChecker::parseStringToVersionQuad(QString& string, QVector<int>&
    }
 }

+QString AutoUpdateChecker::getPlatform()
+{
+#if defined(STEAM_LINK)
+    return QStringLiteral("steamlink");
+#elif defined(APP_IMAGE)
+    return QStringLiteral("appimage");
+#elif defined(Q_OS_DARWIN) && QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    // Qt 6 changed this from 'osx' to 'macos'. Use the old one
+    // to be consistent (and not require another entry in the manifest).
+    return QStringLiteral("osx");
+#else
+    return QSysInfo::productType();
+#endif
+}
+
+int AutoUpdateChecker::compareVersion(QVector<int>& version1, QVector<int>& version2) {
+    for (int i = 0;; i++) {
+        int v1Val = 0;
+        int v2Val = 0;
+
+        // Treat missing decimal places as 0
+        if (i < version1.count()) {
+            v1Val = version1[i];
+        }
+        if (i < version2.count()) {
+            v2Val = version2[i];
+        }
+        if (i >= version1.count() && i >= version2.count()) {
+            // Equal versions
+            return 0;
+        }
+
+        if (v1Val < v2Val) {
+            return -1;
+        }
+        else if (v1Val > v2Val) {
+            return 1;
+        }
+    }
+}
+
 void AutoUpdateChecker::handleUpdateCheckRequestFinished(QNetworkReply* reply)
 {
    Q_ASSERT(reply->isFinished());

    if (reply->error() == QNetworkReply::NoError) {
        QTextStream stream(reply);
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        stream.setEncoding(QStringConverter::Utf8);
+#else
        stream.setCodec("UTF-8");
+#endif

        // Read all data and queue the reply for deletion
        QString jsonString = stream.readAll();
@@ -88,47 +148,48 @@ void AutoUpdateChecker::handleUpdateCheckRequestFinished(QNetworkReply* reply)
                }

                if (updateObj["arch"] == QSysInfo::buildCpuArchitecture() &&
-                        updateObj["platform"] == QSysInfo::productType()) {
+                        updateObj["platform"] == getPlatform()) {
+
+                    // Check the kernel version minimum if one exists
+                    if (updateObj.contains("kernel_version_at_least") && updateObj["kernel_version_at_least"].isString()) {
+                        QVector<int> requiredVersionQuad;
+                        QVector<int> actualVersionQuad;
+
+                        QString requiredVersion = updateObj["kernel_version_at_least"].toString();
+                        QString actualVersion = QSysInfo::kernelVersion();
+                        parseStringToVersionQuad(requiredVersion, requiredVersionQuad);
+                        parseStringToVersionQuad(actualVersion, actualVersionQuad);
+
+                        if (compareVersion(actualVersionQuad, requiredVersionQuad) < 0) {
+                            qDebug() << "Skipping manifest entry due to kernel version (" << actualVersion << "<" << requiredVersion << ")";
+                            continue;
+                        }
+                    }
+
                    qDebug() << "Found update manifest match for current platform";

                    QString latestVersion = updateObj["version"].toString();
                    qDebug() << "Latest version of Moonlight for this platform is:" << latestVersion;

                    QVector<int> latestVersionQuad;
-
                    parseStringToVersionQuad(latestVersion, latestVersionQuad);

-                    for (int i = 0;; i++) {
-                        int latestVer = 0;
-                        int currentVer = 0;
-
-                        // Treat missing decimal places as 0
-                        if (i < latestVersionQuad.count()) {
-                            latestVer = latestVersionQuad[i];
-                        }
-                        if (i < m_CurrentVersionQuad.count()) {
-                            currentVer = m_CurrentVersionQuad[i];
-                        }
-                        if (i >= latestVersionQuad.count() && i >= m_CurrentVersionQuad.count()) {
-                            break;
-                        }
-
-                        if (currentVer < latestVer) {
-                            qDebug() << "Update available";
-
-                            emit onUpdateAvailable(updateObj["version"].toString(),
-                                                   updateObj["browser_url"].toString());
-                            return;
-                        }
-                        else if (currentVer > latestVer) {
-                            qDebug() << "Update manifest version lower than current version";
-                            return;
-                        }
+                    int res = compareVersion(m_CurrentVersionQuad, latestVersionQuad);
+                    if (res < 0) {
+                        // m_CurrentVersionQuad < latestVersionQuad
+                        qDebug() << "Update available";
+                        emit onUpdateAvailable(updateObj["version"].toString(),
+                                               updateObj["browser_url"].toString());
+                        return;
+                    }
+                    else if (res > 0) {
+                        qDebug() << "Update manifest version lower than current version";
+                        return;
+                    }
+                    else {
+                        qDebug() << "Update manifest version equal to current version";
+                        return;
                    }
-
-                    qDebug() << "Update manifest version equal to current version";
-
-                    return;
                }
            }
            else {
@@ -136,8 +197,8 @@ void AutoUpdateChecker::handleUpdateCheckRequestFinished(QNetworkReply* reply)
            }
        }

-        qWarning() << "No entry in update manifest found for current platform: "
-                   << QSysInfo::buildCpuArchitecture() << QSysInfo::productType();
+        qWarning() << "No entry in update manifest found for current platform:"
+                   << QSysInfo::buildCpuArchitecture() << getPlatform() << QSysInfo::kernelVersion();
    }
    else {
        qWarning() << "Update checking failed with error: " << reply->error();
@@ -20,6 +20,10 @@ private slots:
 private:
    void parseStringToVersionQuad(QString& string, QVector<int>& version);

+    int compareVersion(QVector<int>& version1, QVector<int>& version2);
+
+    QString getPlatform();
+
    QVector<int> m_CurrentVersionQuad;
    QNetworkAccessManager m_Nam;
 };
@@ -46,8 +46,8 @@ public:
          m_Computer(computer),
          m_App(app)
    {
-        connect(this, SIGNAL(boxArtFetchCompleted(NvComputer*,NvApp,QUrl)),
-                boxArtManager, SLOT(handleBoxArtLoadComplete(NvComputer*,NvApp,QUrl)));
+        connect(this, &NetworkBoxArtLoadTask::boxArtFetchCompleted,
+                boxArtManager, &BoxArtManager::handleBoxArtLoadComplete);
    }

 signals:
@@ -71,10 +71,10 @@ private:

 QUrl BoxArtManager::loadBoxArt(NvComputer* computer, NvApp& app)
 {
-    // Try to open the cached file
-    QString cacheFilePath = getFilePathForBoxArt(computer, app.id);
-    if (QFile::exists(cacheFilePath)) {
-        return QUrl::fromLocalFile(cacheFilePath);
+    // Try to open the cached file if it exists and contains data
+    QFile cacheFile(getFilePathForBoxArt(computer, app.id));
+    if (cacheFile.exists() && cacheFile.size() > 0) {
+        return QUrl::fromLocalFile(cacheFile.fileName());
    }

    // If we get here, we need to fetch asynchronously.
@@ -87,12 +87,21 @@ QUrl BoxArtManager::loadBoxArt(NvComputer* computer, NvApp& app)
    return QUrl("qrc:/res/no_app_image.png");
 }

+void BoxArtManager::deleteBoxArt(NvComputer* computer)
+{
+    QDir dir(Path::getBoxArtCacheDir());
+
+    // Delete everything in this computer's box art directory
+    if (dir.cd(computer->uuid)) {
+        dir.removeRecursively();
+    }
+}
+
 void BoxArtManager::handleBoxArtLoadComplete(NvComputer* computer, NvApp app, QUrl image)
 {
-    if (image.isEmpty()) {
-        image = QUrl("qrc:/res/no_app_image.png");
+    if (!image.isEmpty()) {
+        emit boxArtLoadComplete(computer, app, image);
    }
-    emit boxArtLoadComplete(computer, app, image);
 }

 QUrl BoxArtManager::loadBoxArtFromNetwork(NvComputer* computer, int appId)
@@ -110,6 +119,10 @@ QUrl BoxArtManager::loadBoxArtFromNetwork(NvComputer* computer, int appId)
        if (image.save(cachePath)) {
            return QUrl::fromLocalFile(cachePath);
        }
+        else {
+            // A failed save() may leave a zero byte file. Make sure that's removed.
+            QFile(cachePath).remove();
+        }
    }

    return QUrl();
@@ -18,6 +18,10 @@ public:
    QUrl
    loadBoxArt(NvComputer* computer, NvApp& app);

+    static
+    void
+    deleteBoxArt(NvComputer* computer);
+
 signals:
    void
    boxArtLoadComplete(NvComputer* computer, NvApp app, QUrl image);
@@ -1,4 +1,5 @@
 #include "computermanager.h"
+#include "boxartmanager.h"
 #include "nvhttp.h"
 #include "settings/streamingpreferences.h"

@@ -32,7 +33,7 @@ private:

        QString serverInfo;
        try {
-            serverInfo = http.getServerInfo(NvHTTP::NvLogLevel::NVLL_NONE);
+            serverInfo = http.getServerInfo(NvHTTP::NvLogLevel::NVLL_NONE, true);
        } catch (...) {
            return false;
        }
@@ -67,12 +68,7 @@ private:
        }

        QWriteLocker lock(&m_Computer->lock);
-        if (m_Computer->appList != appList) {
-            m_Computer->appList = appList;
-            m_Computer->sortAppList();
-            changed = true;
-        }
-
+        changed = m_Computer->updateAppList(appList);
        return true;
    }

@@ -84,7 +80,7 @@ private:
            bool stateChanged = false;
            bool online = false;
            bool wasOnline = m_Computer->state == NvComputer::CS_ONLINE;
-            for (int i = 0; i < TRIES_BEFORE_OFFLINING && !online; i++) {
+            for (int i = 0; i < (wasOnline ? TRIES_BEFORE_OFFLINING : 1) && !online; i++) {
                for (auto& address : m_Computer->uniqueAddresses()) {
                    if (isInterruptionRequested()) {
                        return;
@@ -150,7 +146,8 @@ private:
 ComputerManager::ComputerManager(QObject *parent)
    : QObject(parent),
      m_PollingRef(0),
-      m_MdnsBrowser(nullptr)
+      m_MdnsBrowser(nullptr),
+      m_CompatFetcher(nullptr)
 {
    QSettings settings;

@@ -163,12 +160,15 @@ ComputerManager::ComputerManager(QObject *parent)
    }
    settings.endArray();

+    // Fetch latest compatibility data asynchronously
+    m_CompatFetcher.start();
+
    // To quit in a timely manner, we must block additional requests
    // after we receive the aboutToQuit() signal. This is neccessary
    // because NvHTTP uses aboutToQuit() to abort requests in progres
    // while quitting, however this is a one time signal - additional
    // requests would not be aborted and block termination.
-    connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()), this, SLOT(handleAboutToQuit()));
+    connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, this, &ComputerManager::handleAboutToQuit);
 }

 ComputerManager::~ComputerManager()
@@ -209,13 +209,50 @@ void ComputerManager::saveHosts()

    settings.remove(SER_HOSTS);
    settings.beginWriteArray(SER_HOSTS);
-    for (int i = 0; i < m_KnownHosts.count(); i++) {
-        settings.setArrayIndex(i);
-        m_KnownHosts.value(m_KnownHosts.keys()[i])->serialize(settings);
+    int i = 0;
+    for (const NvComputer* computer : m_KnownHosts) {
+        settings.setArrayIndex(i++);
+        computer->serialize(settings);
    }
    settings.endArray();
 }

+QHostAddress ComputerManager::getBestGlobalAddressV6(QVector<QHostAddress> &addresses)
+{
+    for (const QHostAddress& address : addresses) {
+        if (address.protocol() == QAbstractSocket::IPv6Protocol) {
+            if (address.isInSubnet(QHostAddress("fe80::"), 10)) {
+                // Link-local
+                continue;
+            }
+
+            if (address.isInSubnet(QHostAddress("fec0::"), 10)) {
+                qInfo() << "Ignoring site-local address:" << address;
+                continue;
+            }
+
+            if (address.isInSubnet(QHostAddress("fc00::"), 7)) {
+                qInfo() << "Ignoring ULA:" << address;
+                continue;
+            }
+
+            if (address.isInSubnet(QHostAddress("2002::"), 16)) {
+                qInfo() << "Ignoring 6to4 address:" << address;
+                continue;
+            }
+
+            if (address.isInSubnet(QHostAddress("2001::"), 32)) {
+                qInfo() << "Ignoring Teredo address:" << address;
+                continue;
+            }
+
+            return address;
+        }
+    }
+
+    return QHostAddress();
+}
+
 void ComputerManager::startPolling()
 {
    QWriteLocker lock(&m_Lock);
@@ -233,9 +270,9 @@ void ComputerManager::startPolling()
                this, [this](const QMdnsEngine::Service& service) {
            qInfo() << "Discovered mDNS host:" << service.hostname();

-            MdnsPendingComputer* pendingComputer = new MdnsPendingComputer(&m_MdnsServer, &m_MdnsCache, service);
-            connect(pendingComputer, SIGNAL(resolvedv4(MdnsPendingComputer*,QHostAddress)),
-                    this, SLOT(handleMdnsServiceResolved(MdnsPendingComputer*,QHostAddress)));
+            MdnsPendingComputer* pendingComputer = new MdnsPendingComputer(&m_MdnsServer, service);
+            connect(pendingComputer, &MdnsPendingComputer::resolvedHost,
+                    this, &ComputerManager::handleMdnsServiceResolved);
            m_PendingResolution.append(pendingComputer);
        });
    }
@@ -269,19 +306,46 @@ void ComputerManager::startPollingComputer(NvComputer* computer)

    if (!pollingEntry->isActive()) {
        PcMonitorThread* thread = new PcMonitorThread(computer);
-        connect(thread, SIGNAL(computerStateChanged(NvComputer*)),
-                this, SLOT(handleComputerStateChanged(NvComputer*)));
+        connect(thread, &PcMonitorThread::computerStateChanged,
+                this, &ComputerManager::handleComputerStateChanged);
        pollingEntry->setActiveThread(thread);
        thread->start();
    }
 }

 void ComputerManager::handleMdnsServiceResolved(MdnsPendingComputer* computer,
-                                                const QHostAddress& address)
+                                                QVector<QHostAddress>& addresses)
 {
-    qInfo() << "Resolved" << computer->hostname() << "to" << address.toString();
+    QHostAddress v6Global = getBestGlobalAddressV6(addresses);
+    bool added = false;

-    addNewHost(address.toString(), true);
+    // Add the host using the IPv4 address
+    for (const QHostAddress& address : addresses) {
+        if (address.protocol() == QAbstractSocket::IPv4Protocol) {
+            // NB: We don't just call addNewHost() here with v6Global because the IPv6
+            // address may not be reachable (if the user hasn't installed the IPv6 helper yet
+            // or if this host lacks outbound IPv6 capability). We want to add IPv6 even if
+            // it's not currently reachable.
+            addNewHost(address.toString(), true, v6Global);
+            added = true;
+            break;
+        }
+    }
+
+    if (!added) {
+        // If we get here, there wasn't an IPv4 address so we'll do it v6-only
+        for (const QHostAddress& address : addresses) {
+            if (address.protocol() == QAbstractSocket::IPv6Protocol) {
+                // Use a link-local or site-local address for the "local address"
+                if (address.isInSubnet(QHostAddress("fe80::"), 10) ||
+                        address.isInSubnet(QHostAddress("fec0::"), 10) ||
+                        address.isInSubnet(QHostAddress("fc00::"), 7)) {
+                    addNewHost(address.toString(), true, v6Global);
+                    break;
+                }
+            }
+        }
+    }

    m_PendingResolution.removeOne(computer);
    computer->deleteLater();
@@ -334,6 +398,9 @@ public:
        // Delete the polling entry first. This will stop all polling threads too.
        delete pollingEntry;

+        // Delete cached box art
+        BoxArtManager::deleteBoxArt(m_Computer);
+
        // Finally, delete the computer itself. This must be done
        // last because the polling thread might be using it.
        delete m_Computer;
@@ -351,6 +418,28 @@ void ComputerManager::deleteHost(NvComputer* computer)
    QThreadPool::globalInstance()->start(new DeferredHostDeletionTask(this, computer));
 }

+void ComputerManager::renameHost(NvComputer* computer, QString name)
+{
+    {
+        QWriteLocker lock(&computer->lock);
+
+        computer->name = name;
+        computer->hasCustomName = true;
+    }
+
+    // Notify the UI of the state change
+    handleComputerStateChanged(computer);
+}
+
+void ComputerManager::clientSideAttributeUpdated(NvComputer* computer)
+{
+    // Persist the change
+    saveHosts();
+
+    // Notify the UI of the state change
+    handleComputerStateChanged(computer);
+}
+
 void ComputerManager::handleAboutToQuit()
 {
    QWriteLocker lock(&m_Lock);
@@ -450,8 +539,8 @@ private:
            }
            if (e.getStatusCode() == 599) {
                // 599 is a special code we make a custom message for
-                emit quitAppFailed("The running game wasn't started by this PC. "
-                                   "You must quit the game on the host PC manually or use the device that originally started the game.");
+                emit quitAppFailed(tr("The running game wasn't started by this PC. "
+                                      "You must quit the game on the host PC manually or use the device that originally started the game."));
            }
            else {
                emit quitAppFailed(e.toQString());
@@ -508,9 +597,10 @@ class PendingAddTask : public QObject, public QRunnable
    Q_OBJECT

 public:
-    PendingAddTask(ComputerManager* computerManager, QString address, bool mdns)
+    PendingAddTask(ComputerManager* computerManager, QString address, QHostAddress mdnsIpv6Address, bool mdns)
        : m_ComputerManager(computerManager),
          m_Address(address),
+          m_MdnsIpv6Address(mdnsIpv6Address),
          m_Mdns(mdns)
    {
        connect(this, &PendingAddTask::computerAddCompleted,
@@ -520,7 +610,7 @@ public:
    }

 signals:
-    void computerAddCompleted(QVariant success);
+    void computerAddCompleted(QVariant success, QVariant detectedPortBlocking);

    void computerStateChanged(NvComputer* computer);

@@ -550,7 +640,20 @@ private:
            return serverInfo;
        } catch (...) {
            if (!m_Mdns) {
-                emit computerAddCompleted(false);
+                StreamingPreferences prefs;
+                int portTestResult;
+
+                if (prefs.detectNetworkBlocking) {
+                    // We failed to connect to the specified PC. Let's test to make sure this network
+                    // isn't blocking Moonlight, so we can tell the user about it.
+                    portTestResult = LiTestClientConnectivity("qt.conntest.moonlight-stream.org", 443,
+                                                              ML_PORT_FLAG_TCP_47984 | ML_PORT_FLAG_TCP_47989);
+                }
+                else {
+                    portTestResult = 0;
+                }
+
+                emit computerAddCompleted(false, portTestResult != 0 && portTestResult != ML_TEST_RESULT_INCONCLUSIVE);
            }
            return QString();
        }
@@ -560,16 +663,21 @@ private:
    {
        NvHTTP http(m_Address, QSslCertificate());

-        qInfo() << "Processing new PC at" << m_Address << "from" << (m_Mdns ? "mDNS" : "user");
+        qInfo() << "Processing new PC at" << m_Address << "from" << (m_Mdns ? "mDNS" : "user") << m_MdnsIpv6Address;

        // Perform initial serverinfo fetch over HTTP since we don't know which cert to use
        QString serverInfo = fetchServerInfo(http);
+        if (serverInfo.isEmpty() && !m_MdnsIpv6Address.isNull()) {
+            // Retry using the global IPv6 address if the IPv4 or link-local IPv6 address fails
+            http.setAddress(m_MdnsIpv6Address.toString());
+            serverInfo = fetchServerInfo(http);
+        }
        if (serverInfo.isEmpty()) {
            return;
        }

        // Create initial newComputer using HTTP serverinfo with no pinned cert
-        NvComputer* newComputer = new NvComputer(m_Address, serverInfo, QSslCertificate());
+        NvComputer* newComputer = new NvComputer(http.address(), serverInfo, QSslCertificate());

        // Check if we have a record of this host UUID to pull the pinned cert
        NvComputer* existingComputer;
@@ -589,28 +697,46 @@ private:
            }

            // Update the polled computer with the HTTPS information
-            NvComputer httpsComputer(m_Address, serverInfo, QSslCertificate());
+            NvComputer httpsComputer(http.address(), serverInfo, QSslCertificate());
            newComputer->update(httpsComputer);
        }

        // Update addresses depending on the context
        if (m_Mdns) {
-            newComputer->localAddress = m_Address;
-
-            // Get the WAN IP address using STUN if we're on mDNS
-            quint32 addr;
-            int err = LiFindExternalAddressIP4("stun.moonlight-stream.org", 3478, &addr);
-            if (err == 0) {
-                newComputer->remoteAddress = QHostAddress(qFromBigEndian(addr)).toString();
+            // Only update local address if we actually reached the PC via this address.
+            // If we reached it via the IPv6 address after the local address failed,
+            // don't store the non-working local address.
+            if (http.address() == m_Address) {
+                newComputer->localAddress = m_Address;
            }
-            else {
-                qWarning() << "STUN failed to get WAN address:" << err;
+
+            // Get the WAN IP address using STUN if we're on mDNS over IPv4
+            if (QHostAddress(newComputer->localAddress).protocol() == QAbstractSocket::IPv4Protocol) {
+                quint32 addr;
+                int err = LiFindExternalAddressIP4("stun.moonlight-stream.org", 3478, &addr);
+                if (err == 0) {
+                    newComputer->remoteAddress = QHostAddress(qFromBigEndian(addr)).toString();
+                }
+                else {
+                    qWarning() << "STUN failed to get WAN address:" << err;
+                }
+            }
+
+            if (!m_MdnsIpv6Address.isNull()) {
+                Q_ASSERT(m_MdnsIpv6Address.protocol() == QAbstractSocket::IPv6Protocol);
+                newComputer->ipv6Address = m_MdnsIpv6Address.toString();
            }
        }
        else {
            newComputer->manualAddress = m_Address;
        }

+        QHostAddress hostAddress(m_Address);
+        bool addressIsSiteLocalV4 =
+                hostAddress.isInSubnet(QHostAddress("10.0.0.0"), 8) ||
+                hostAddress.isInSubnet(QHostAddress("172.16.0.0"), 12) ||
+                hostAddress.isInSubnet(QHostAddress("192.168.0.0"), 16);
+
        {
            // Check if this PC already exists
            QWriteLocker lock(&m_ComputerManager->m_Lock);
@@ -625,7 +751,7 @@ private:

                // For non-mDNS clients, let them know it succeeded
                if (!m_Mdns) {
-                    emit computerAddCompleted(true);
+                    emit computerAddCompleted(true, false);
                }

                // Tell our client if something changed
@@ -644,9 +770,24 @@ private:
                // Drop the lock before notifying
                lock.unlock();

+                // If this wasn't added via mDNS but it is a RFC 1918 IPv4 address and not a VPN,
+                // go ahead and do the STUN request now to populate an external address.
+                if (!m_Mdns && addressIsSiteLocalV4 && !newComputer->isReachableOverVpn()) {
+                    quint32 addr;
+                    int err = LiFindExternalAddressIP4("stun.moonlight-stream.org", 3478, &addr);
+                    if (err == 0) {
+                        lock.relock();
+                        newComputer->remoteAddress = QHostAddress(qFromBigEndian(addr)).toString();
+                        lock.unlock();
+                    }
+                    else {
+                        qWarning() << "STUN failed to get WAN address:" << err;
+                    }
+                }
+
                // For non-mDNS clients, let them know it succeeded
                if (!m_Mdns) {
-                    emit computerAddCompleted(true);
+                    emit computerAddCompleted(true, false);
                }

                // Tell our client about this new PC
@@ -657,14 +798,15 @@ private:

    ComputerManager* m_ComputerManager;
    QString m_Address;
+    QHostAddress m_MdnsIpv6Address;
    bool m_Mdns;
 };

-void ComputerManager::addNewHost(QString address, bool mdns)
+void ComputerManager::addNewHost(QString address, bool mdns, QHostAddress mdnsIpv6Address)
 {
    // Punt to a worker thread to avoid stalling the
    // UI while waiting for serverinfo query to complete
-    PendingAddTask* addTask = new PendingAddTask(this, address, mdns);
+    PendingAddTask* addTask = new PendingAddTask(this, address, mdnsIpv6Address, mdns);
    QThreadPool::globalInstance()->start(addTask);
 }

@@ -2,6 +2,7 @@

 #include "nvcomputer.h"
 #include "nvpairingmanager.h"
+#include "settings/compatfetcher.h"

 #include <qmdnsengine/server.h>
 #include <qmdnsengine/cache.h>
@@ -13,6 +14,7 @@
 #include <QReadWriteLock>
 #include <QSettings>
 #include <QRunnable>
+#include <QTimer>

 class MdnsPendingComputer : public QObject
 {
@@ -20,13 +22,18 @@ class MdnsPendingComputer : public QObject

 public:
    explicit MdnsPendingComputer(QMdnsEngine::Server* server,
-                                 QMdnsEngine::Cache* cache,
                                 const QMdnsEngine::Service& service)
        : m_Hostname(service.hostname()),
-          m_Resolver(server, m_Hostname, cache)
+          m_Server(server),
+          m_Resolver(nullptr)
    {
-        connect(&m_Resolver, SIGNAL(resolved(QHostAddress)),
-                this, SLOT(handleResolved(QHostAddress)));
+        // Start resolving
+        resolve();
+    }
+
+    virtual ~MdnsPendingComputer()
+    {
+        delete m_Resolver;
    }

    QString hostname()
@@ -35,20 +42,42 @@ public:
    }

 private slots:
-    void handleResolved(const QHostAddress& address)
+    void handleResolvedTimeout()
    {
-        if (address.protocol() == QAbstractSocket::IPv4Protocol) {
-            m_Resolver.disconnect();
-            emit resolvedv4(this, address);
+        if (m_Addresses.isEmpty()) {
+            // Try again
+            qInfo() << "Resolving" << hostname() << "timed out. Retrying...";
+            resolve();
+        }
+        else {
+            Q_ASSERT(!m_Addresses.isEmpty());
+            emit resolvedHost(this, m_Addresses);
        }
    }

+    void handleResolvedAddress(const QHostAddress& address)
+    {
+        qInfo() << "Resolved" << hostname() << "to" << address;
+        m_Addresses.push_back(address);
+    }
+
 signals:
-    void resolvedv4(MdnsPendingComputer*, const QHostAddress&);
+    void resolvedHost(MdnsPendingComputer*,QVector<QHostAddress>&);

 private:
+    void resolve()
+    {
+        delete m_Resolver;
+        m_Resolver = new QMdnsEngine::Resolver(m_Server, m_Hostname);
+        connect(m_Resolver, &QMdnsEngine::Resolver::resolved,
+                this, &MdnsPendingComputer::handleResolvedAddress);
+        QTimer::singleShot(2000, this, &MdnsPendingComputer::handleResolvedTimeout);
+    }
+
    QByteArray m_Hostname;
-    QMdnsEngine::Resolver m_Resolver;
+    QMdnsEngine::Server* m_Server;
+    QMdnsEngine::Resolver* m_Resolver;
+    QVector<QHostAddress> m_Addresses;
 };

 class ComputerPollingEntry
@@ -140,7 +169,7 @@ public:

    Q_INVOKABLE void stopPollingAsync();

-    Q_INVOKABLE void addNewHost(QString address, bool mdns);
+    Q_INVOKABLE void addNewHost(QString address, bool mdns, QHostAddress mdnsIpv6Address = QHostAddress());

    void pairHost(NvComputer* computer, QString pin);

@@ -151,12 +180,16 @@ public:
    // computer is deleted inside this call
    void deleteHost(NvComputer* computer);

+    void renameHost(NvComputer* computer, QString name);
+
+    void clientSideAttributeUpdated(NvComputer* computer);
+
 signals:
    void computerStateChanged(NvComputer* computer);

    void pairingCompleted(NvComputer* computer, QString error);

-    void computerAddCompleted(QVariant success);
+    void computerAddCompleted(QVariant success, QVariant detectedPortBlocking);

    void quitAppCompleted(QVariant error);

@@ -165,11 +198,13 @@ private slots:

    void handleComputerStateChanged(NvComputer* computer);

-    void handleMdnsServiceResolved(MdnsPendingComputer* computer, const QHostAddress& address);
+    void handleMdnsServiceResolved(MdnsPendingComputer* computer, QVector<QHostAddress>& addresses);

 private:
    void saveHosts();

+    QHostAddress getBestGlobalAddressV6(QVector<QHostAddress>& addresses);
+
    void startPollingComputer(NvComputer* computer);

    int m_PollingRef;
@@ -180,4 +215,5 @@ private:
    QMdnsEngine::Browser* m_MdnsBrowser;
    QMdnsEngine::Cache m_MdnsCache;
    QVector<MdnsPendingComputer*> m_PendingResolution;
+    CompatFetcher m_CompatFetcher;
 };
@@ -39,11 +39,18 @@ void ComputerSeeker::onComputerUpdated(NvComputer *computer)
 bool ComputerSeeker::matchComputer(NvComputer *computer) const
 {
    QString value = m_ComputerName.toLower();
-    return computer->name.toLower() == value ||
-           computer->localAddress.toLower() == value ||
-           computer->remoteAddress.toLower() == value ||
-           computer->manualAddress.toLower() == value ||
-           computer->uuid.toLower() == value;
+
+    if (computer->name.toLower() == value || computer->uuid.toLower() == value) {
+        return true;
+    }
+
+    for (const QString& addr : computer->uniqueAddresses()) {
+        if (addr.toLower() == value) {
+            return true;
+        }
+    }
+
+    return false;
 }

 bool ComputerSeeker::isOnline(NvComputer *computer) const
@@ -5,7 +5,6 @@

 #include <openssl/pem.h>
 #include <openssl/rsa.h>
-#include <openssl/bn.h>
 #include <openssl/x509.h>
 #include <openssl/rand.h>

@@ -32,20 +31,19 @@ void IdentityManager::createCredentials(QSettings& settings)
    X509* cert = X509_new();
    THROW_BAD_ALLOC_IF_NULL(cert);

-    EVP_PKEY* pk = EVP_PKEY_new();
+    EVP_PKEY_CTX* ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_RSA, NULL);
+    THROW_BAD_ALLOC_IF_NULL(ctx);
+
+    EVP_PKEY_keygen_init(ctx);
+    EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, 2048);
+
+    // pk must be initialized on input
+    EVP_PKEY* pk = NULL;
+    EVP_PKEY_keygen(ctx, &pk);
+
+    EVP_PKEY_CTX_free(ctx);
    THROW_BAD_ALLOC_IF_NULL(pk);

-    BIGNUM* bne = BN_new();
-    THROW_BAD_ALLOC_IF_NULL(bne);
-
-    RSA* rsa = RSA_new();
-    THROW_BAD_ALLOC_IF_NULL(rsa);
-
-    BN_set_word(bne, RSA_F4);
-    RSA_generate_key_ex(rsa, 2048, bne, nullptr);
-
-    EVP_PKEY_assign_RSA(pk, rsa);
-
    X509_set_version(cert, 2);
    ASN1_INTEGER_set(X509_get_serialNumber(cert), 0);
 #if OPENSSL_VERSION_NUMBER < 0x10100000L
@@ -75,7 +73,7 @@ void IdentityManager::createCredentials(QSettings& settings)
                               -1, -1, 0);
    X509_set_issuer_name(cert, name);

-    X509_sign(cert, pk, EVP_sha1());
+    X509_sign(cert, pk, EVP_sha256());

    BIO* biokey = BIO_new(BIO_s_mem());
    THROW_BAD_ALLOC_IF_NULL(biokey);
@@ -94,7 +92,6 @@ void IdentityManager::createCredentials(QSettings& settings)

    X509_free(cert);
    EVP_PKEY_free(pk);
-    BN_free(bne);
    BIO_free(biokey);
    BIO_free(biocert);

@@ -146,7 +143,10 @@ QSslKey
 IdentityManager::getSslKey()
 {
    if (m_CachedSslKey.isNull()) {
-        BIO* bio = BIO_new_mem_buf(m_CachedPrivateKey.data(), -1);
+        // This seemingly useless const_cast is required for old OpenSSL headers
+        // where BIO_new_mem_buf's parameter is not declared const like those on
+        // the Steam Link hardware.
+        BIO* bio = BIO_new_mem_buf(const_cast<char*>(m_CachedPrivateKey.constData()), -1);
        THROW_BAD_ALLOC_IF_NULL(bio);

        EVP_PKEY* pk = PEM_read_bio_PrivateKey(bio, nullptr, nullptr, nullptr);
@@ -0,0 +1,28 @@
+#include "nvapp.h"
+
+#define SER_APPNAME "name"
+#define SER_APPID "id"
+#define SER_APPHDR "hdr"
+#define SER_APPCOLLECTOR "appcollector"
+#define SER_HIDDEN "hidden"
+#define SER_DIRECTLAUNCH "directlaunch"
+
+NvApp::NvApp(QSettings& settings)
+{
+    name = settings.value(SER_APPNAME).toString();
+    id = settings.value(SER_APPID).toInt();
+    hdrSupported = settings.value(SER_APPHDR).toBool();
+    isAppCollectorGame = settings.value(SER_APPCOLLECTOR).toBool();
+    hidden = settings.value(SER_HIDDEN).toBool();
+    directLaunch = settings.value(SER_DIRECTLAUNCH).toBool();
+}
+
+void NvApp::serialize(QSettings& settings) const
+{
+    settings.setValue(SER_APPNAME, name);
+    settings.setValue(SER_APPID, id);
+    settings.setValue(SER_APPHDR, hdrSupported);
+    settings.setValue(SER_APPCOLLECTOR, isAppCollectorGame);
+    settings.setValue(SER_HIDDEN, hidden);
+    settings.setValue(SER_DIRECTLAUNCH, directLaunch);
+}
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <QSettings>
+
+class NvApp
+{
+public:
+    NvApp() {}
+    explicit NvApp(QSettings& settings);
+
+    bool operator==(const NvApp& other) const
+    {
+        return id == other.id &&
+                name == other.name &&
+                hdrSupported == other.hdrSupported &&
+                isAppCollectorGame == other.isAppCollectorGame &&
+                hidden == other.hidden &&
+                directLaunch == other.directLaunch;
+    }
+
+    bool operator!=(const NvApp& other) const
+    {
+        return !operator==(other);
+    }
+
+    bool isInitialized()
+    {
+        return id != 0 && !name.isEmpty();
+    }
+
+    void
+    serialize(QSettings& settings) const;
+
+    int id = 0;
+    QString name;
+    bool hdrSupported = false;
+    bool isAppCollectorGame = false;
+    bool hidden = false;
+    bool directLaunch = false;
+};
+
+Q_DECLARE_METATYPE(NvApp)
@@ -1,8 +1,11 @@
 #include "nvcomputer.h"
+#include "nvapp.h"
+#include "settings/compatfetcher.h"

 #include <QUdpSocket>
 #include <QHostInfo>
 #include <QNetworkInterface>
+#include <QNetworkProxy>

 #define SER_NAME "hostname"
 #define SER_UUID "uuid"
@@ -10,33 +13,29 @@
 #define SER_LOCALADDR "localaddress"
 #define SER_REMOTEADDR "remoteaddress"
 #define SER_MANUALADDR "manualaddress"
+#define SER_IPV6ADDR "ipv6address"
 #define SER_APPLIST "apps"
 #define SER_SRVCERT "srvcert"
-
-#define SER_APPNAME "name"
-#define SER_APPID "id"
-#define SER_APPHDR "hdr"
+#define SER_CUSTOMNAME "customname"

 NvComputer::NvComputer(QSettings& settings)
 {
    this->name = settings.value(SER_NAME).toString();
    this->uuid = settings.value(SER_UUID).toString();
+    this->hasCustomName = settings.value(SER_CUSTOMNAME).toBool();
    this->macAddress = settings.value(SER_MAC).toByteArray();
    this->localAddress = settings.value(SER_LOCALADDR).toString();
    this->remoteAddress = settings.value(SER_REMOTEADDR).toString();
+    this->ipv6Address = settings.value(SER_IPV6ADDR).toString();
    this->manualAddress = settings.value(SER_MANUALADDR).toString();
    this->serverCert = QSslCertificate(settings.value(SER_SRVCERT).toByteArray());

    int appCount = settings.beginReadArray(SER_APPLIST);
+    this->appList.reserve(appCount);
    for (int i = 0; i < appCount; i++) {
-        NvApp app;
-
        settings.setArrayIndex(i);

-        app.name = settings.value(SER_APPNAME).toString();
-        app.id = settings.value(SER_APPID).toInt();
-        app.hdrSupported = settings.value(SER_APPHDR).toBool();
-
+        NvApp app(settings);
        this->appList.append(app);
    }
    settings.endArray();
@@ -52,17 +51,20 @@ NvComputer::NvComputer(QSettings& settings)
    this->serverCodecModeSupport = 0;
    this->pendingQuit = false;
    this->gpuModel = nullptr;
+    this->isSupportedServerVersion = true;
 }

-void NvComputer::serialize(QSettings& settings)
+void NvComputer::serialize(QSettings& settings) const
 {
    QReadLocker lock(&this->lock);

    settings.setValue(SER_NAME, name);
+    settings.setValue(SER_CUSTOMNAME, hasCustomName);
    settings.setValue(SER_UUID, uuid);
    settings.setValue(SER_MAC, macAddress);
    settings.setValue(SER_LOCALADDR, localAddress);
    settings.setValue(SER_REMOTEADDR, remoteAddress);
+    settings.setValue(SER_IPV6ADDR, ipv6Address);
    settings.setValue(SER_MANUALADDR, manualAddress);
    settings.setValue(SER_SRVCERT, serverCert.toPem());

@@ -72,10 +74,7 @@ void NvComputer::serialize(QSettings& settings)
        settings.beginWriteArray(SER_APPLIST);
        for (int i = 0; i < appList.count(); i++) {
            settings.setArrayIndex(i);
-
-            settings.setValue(SER_APPNAME, appList[i].name);
-            settings.setValue(SER_APPID, appList[i].id);
-            settings.setValue(SER_APPHDR, appList[i].hdrSupported);
+            appList[i].serialize(settings);
        }
        settings.endArray();
    }
@@ -92,6 +91,7 @@ NvComputer::NvComputer(QString address, QString serverInfo, QSslCertificate serv
 {
    this->serverCert = serverCert;

+    this->hasCustomName = false;
    this->name = NvHTTP::getXmlString(serverInfo, "hostname");
    if (this->name.isEmpty()) {
        this->name = "UNKNOWN";
@@ -101,7 +101,7 @@ NvComputer::NvComputer(QString address, QString serverInfo, QSslCertificate serv
    QString newMacString = NvHTTP::getXmlString(serverInfo, "mac");
    if (newMacString != "00:00:00:00:00:00") {
        QStringList macOctets = newMacString.split(':');
-        for (QString macOctet : macOctets) {
+        for (const QString& macOctet : macOctets) {
            this->macAddress.append((char) macOctet.toInt(nullptr, 16));
        }
    }
@@ -129,7 +129,12 @@ NvComputer::NvComputer(QString address, QString serverInfo, QSslCertificate serv
                mode2.width * mode2.height * mode2.refreshRate;
    });

+    // We can get an IPv4 loopback address if we're using the GS IPv6 Forwarder
    this->localAddress = NvHTTP::getXmlString(serverInfo, "LocalIP");
+    if (this->localAddress.startsWith("127.")) {
+        this->localAddress = QString();
+    }
+
    this->remoteAddress = NvHTTP::getXmlString(serverInfo, "ExternalIP");
    this->pairState = NvHTTP::getXmlString(serverInfo, "PairStatus") == "1" ?
                PS_PAIRED : PS_NOT_PAIRED;
@@ -140,6 +145,7 @@ NvComputer::NvComputer(QString address, QString serverInfo, QSslCertificate serv
    this->activeAddress = address;
    this->state = NvComputer::CS_ONLINE;
    this->pendingQuit = false;
+    this->isSupportedServerVersion = CompatFetcher::isGfeVersionSupported(this->gfeVersion);
 }

 bool NvComputer::wake()
@@ -155,8 +161,9 @@ bool NvComputer::wake()
    }

    const quint16 WOL_PORTS[] = {
-        7, 9, // Standard WOL ports
-        47998, 47999, 48000, // Ports opened by GFE
+        9, // Standard WOL port (privileged port)
+        47998, 47999, 48000, 48002, 48010, // Ports opened by GFE
+        47009, // Port opened by Moonlight Internet Hosting Tool for WoL (non-privileged port)
    };

    // Create the WoL payload
@@ -229,7 +236,102 @@ bool NvComputer::wake()
    return success;
 }

-QVector<QString> NvComputer::uniqueAddresses()
+bool NvComputer::isReachableOverVpn()
+{
+    if (activeAddress.isEmpty()) {
+        return false;
+    }
+
+    QTcpSocket s;
+
+    s.setProxy(QNetworkProxy::NoProxy);
+    s.connectToHost(activeAddress, 47984);
+    if (s.waitForConnected(3000)) {
+        Q_ASSERT(!s.localAddress().isNull());
+
+        for (const QNetworkInterface& nic : QNetworkInterface::allInterfaces()) {
+            // Ensure the interface is up
+            if ((nic.flags() & QNetworkInterface::IsUp) == 0) {
+                continue;
+            }
+
+            for (const QNetworkAddressEntry& addr : nic.addressEntries()) {
+                if (addr.ip() == s.localAddress()) {
+                    qInfo() << "Found matching interface:" << nic.humanReadableName() << nic.hardwareAddress() << nic.flags();
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+                    qInfo() << "Interface Type:" << nic.type();
+                    qInfo() << "Interface MTU:" << nic.maximumTransmissionUnit();
+
+                    if (nic.type() == QNetworkInterface::Virtual ||
+                            nic.type() == QNetworkInterface::Ppp) {
+                        // Treat PPP and virtual interfaces as likely VPNs
+                        return true;
+                    }
+
+                    if (nic.maximumTransmissionUnit() != 0 && nic.maximumTransmissionUnit() < 1500) {
+                        // Treat MTUs under 1500 as likely VPNs
+                        return true;
+                    }
+#endif
+
+                    if (nic.flags() & QNetworkInterface::IsPointToPoint) {
+                        // Treat point-to-point links as likely VPNs.
+                        // This check detects OpenVPN on Unix-like OSes.
+                        return true;
+                    }
+
+                    if (nic.hardwareAddress().startsWith("00:FF", Qt::CaseInsensitive)) {
+                        // OpenVPN TAP interfaces have a MAC address starting with 00:FF on Windows
+                        return true;
+                    }
+
+                    if (nic.humanReadableName().startsWith("ZeroTier")) {
+                        // ZeroTier interfaces always start with "ZeroTier"
+                        return true;
+                    }
+
+                    if (nic.humanReadableName().contains("VPN")) {
+                        // This one is just a final heuristic if all else fails
+                        return true;
+                    }
+
+                    // Didn't meet any of our VPN heuristics
+                    return false;
+                }
+            }
+        }
+
+        qWarning() << "No match found for address:" << s.localAddress();
+        return false;
+    }
+    else {
+        // If we fail to connect, just pretend that it's not a VPN
+        return false;
+    }
+}
+
+bool NvComputer::updateAppList(QVector<NvApp> newAppList) {
+    if (appList == newAppList) {
+        return false;
+    }
+
+    // Propagate client-side attributes to the new app list
+    for (const NvApp& existingApp : appList) {
+        for (NvApp& newApp : newAppList) {
+            if (existingApp.id == newApp.id) {
+                newApp.hidden = existingApp.hidden;
+                newApp.directLaunch = existingApp.directLaunch;
+            }
+        }
+    }
+
+    appList = newAppList;
+    sortAppList();
+    return true;
+}
+
+QVector<QString> NvComputer::uniqueAddresses() const
 {
    QVector<QString> uniqueAddressList;

@@ -237,6 +339,7 @@ QVector<QString> NvComputer::uniqueAddresses()
    uniqueAddressList.append(activeAddress);
    uniqueAddressList.append(localAddress);
    uniqueAddressList.append(remoteAddress);
+    uniqueAddressList.append(ipv6Address);
    uniqueAddressList.append(manualAddress);

    // Prune duplicates (always giving precedence to the first)
@@ -292,10 +395,14 @@ bool NvComputer::update(NvComputer& that)
        changed = true;                       \
    }

-    ASSIGN_IF_CHANGED(name);
+    if (!hasCustomName) {
+        // Only overwrite the name if it's not custom
+        ASSIGN_IF_CHANGED(name);
+    }
    ASSIGN_IF_CHANGED_AND_NONEMPTY(macAddress);
    ASSIGN_IF_CHANGED_AND_NONEMPTY(localAddress);
    ASSIGN_IF_CHANGED_AND_NONEMPTY(remoteAddress);
+    ASSIGN_IF_CHANGED_AND_NONEMPTY(ipv6Address);
    ASSIGN_IF_CHANGED_AND_NONEMPTY(manualAddress);
    ASSIGN_IF_CHANGED(pairState);
    ASSIGN_IF_CHANGED(serverCodecModeSupport);
@@ -304,10 +411,16 @@ bool NvComputer::update(NvComputer& that)
    ASSIGN_IF_CHANGED(state);
    ASSIGN_IF_CHANGED(gfeVersion);
    ASSIGN_IF_CHANGED(appVersion);
+    ASSIGN_IF_CHANGED(isSupportedServerVersion);
    ASSIGN_IF_CHANGED(maxLumaPixelsHEVC);
    ASSIGN_IF_CHANGED(gpuModel);
    ASSIGN_IF_CHANGED_AND_NONNULL(serverCert);
-    ASSIGN_IF_CHANGED_AND_NONEMPTY(appList);
    ASSIGN_IF_CHANGED_AND_NONEMPTY(displayModes);
+
+    if (!that.appList.isEmpty()) {
+        // updateAppList() handles merging client-side attributes
+        updateAppList(that.appList);
+    }
+
    return changed;
 }
@@ -16,6 +16,8 @@ class NvComputer
 private:
    void sortAppList();

+    bool updateAppList(QVector<NvApp> newAppList);
+
    bool pendingQuit;

 public:
@@ -29,11 +31,14 @@ public:
    bool
    wake();

+    bool
+    isReachableOverVpn();
+
    QVector<QString>
-    uniqueAddresses();
+    uniqueAddresses() const;

    void
-    serialize(QSettings& settings);
+    serialize(QSettings& settings) const;

    enum PairState
    {
@@ -60,17 +65,20 @@ public:
    int maxLumaPixelsHEVC;
    int serverCodecModeSupport;
    QString gpuModel;
+    bool isSupportedServerVersion;

    // Persisted traits
    QString localAddress;
    QString remoteAddress;
+    QString ipv6Address;
    QString manualAddress;
    QByteArray macAddress;
    QString name;
+    bool hasCustomName;
    QString uuid;
    QSslCertificate serverCert;
    QVector<NvApp> appList;

    // Synchronization
-    QReadWriteLock lock;
+    mutable QReadWriteLock lock;
 };
@@ -12,24 +12,22 @@
 #include <QtEndian>
 #include <QNetworkProxy>

+#define FAST_FAIL_TIMEOUT_MS 2000
 #define REQUEST_TIMEOUT_MS 5000
 #define LAUNCH_TIMEOUT_MS 120000
 #define RESUME_TIMEOUT_MS 30000
 #define QUIT_TIMEOUT_MS 30000

 NvHTTP::NvHTTP(QString address, QSslCertificate serverCert) :
-    m_Address(address),
    m_ServerCert(serverCert)
 {
-    Q_ASSERT(!address.isEmpty());
-
    m_BaseUrlHttp.setScheme("http");
    m_BaseUrlHttps.setScheme("https");
-    m_BaseUrlHttp.setHost(address);
-    m_BaseUrlHttps.setHost(address);
    m_BaseUrlHttp.setPort(47989);
    m_BaseUrlHttps.setPort(47984);

+    setAddress(address);
+
    // Never use a proxy server
    QNetworkProxy noProxy(QNetworkProxy::NoProxy);
    m_Nam.setProxy(noProxy);
@@ -42,6 +40,21 @@ void NvHTTP::setServerCert(QSslCertificate serverCert)
    m_ServerCert = serverCert;
 }

+void NvHTTP::setAddress(QString address)
+{
+    Q_ASSERT(!address.isEmpty());
+
+    m_Address = address;
+
+    m_BaseUrlHttp.setHost(address);
+    m_BaseUrlHttps.setHost(address);
+}
+
+QString NvHTTP::address()
+{
+    return m_Address;
+}
+
 QVector<int>
 NvHTTP::parseQuad(QString quad)
 {
@@ -54,7 +67,8 @@ NvHTTP::parseQuad(QString quad)
    }

    QStringList parts = quad.split(".");
-    for (int i = 0; i < 4; i++)
+    ret.reserve(parts.length());
+    for (int i = 0; i < parts.length(); i++)
    {
        ret.append(parts.at(i).toInt());
    }
@@ -80,7 +94,7 @@ NvHTTP::getCurrentGame(QString serverInfo)
 }

 QString
-NvHTTP::getServerInfo(NvLogLevel logLevel)
+NvHTTP::getServerInfo(NvLogLevel logLevel, bool fastFail)
 {
    QString serverInfo;

@@ -94,7 +108,7 @@ NvHTTP::getServerInfo(NvLogLevel logLevel)
            serverInfo = openConnectionToString(m_BaseUrlHttps,
                                                "serverinfo",
                                                nullptr,
-                                                REQUEST_TIMEOUT_MS,
+                                                fastFail ? FAST_FAIL_TIMEOUT_MS : REQUEST_TIMEOUT_MS,
                                                logLevel);
            // Throws if the request failed
            verifyResponseStatus(serverInfo);
@@ -107,7 +121,7 @@ NvHTTP::getServerInfo(NvLogLevel logLevel)
                serverInfo = openConnectionToString(m_BaseUrlHttp,
                                                    "serverinfo",
                                                    nullptr,
-                                                    REQUEST_TIMEOUT_MS,
+                                                    fastFail ? FAST_FAIL_TIMEOUT_MS : REQUEST_TIMEOUT_MS,
                                                    logLevel);
                verifyResponseStatus(serverInfo);
            }
@@ -124,7 +138,7 @@ NvHTTP::getServerInfo(NvLogLevel logLevel)
        serverInfo = openConnectionToString(m_BaseUrlHttp,
                                            "serverinfo",
                                            nullptr,
-                                            REQUEST_TIMEOUT_MS,
+                                            fastFail ? FAST_FAIL_TIMEOUT_MS : REQUEST_TIMEOUT_MS,
                                            logLevel);
        verifyResponseStatus(serverInfo);
    }
@@ -132,30 +146,6 @@ NvHTTP::getServerInfo(NvLogLevel logLevel)
    return serverInfo;
 }

-static QString
-getSurroundAudioInfoString(int audioConfig)
-{
-    int channelMask;
-    int channelCount;
-
-    switch (audioConfig)
-    {
-    case AUDIO_CONFIGURATION_STEREO:
-        channelCount = 2;
-        channelMask = 0x3;
-        break;
-    case AUDIO_CONFIGURATION_51_SURROUND:
-        channelCount = 6;
-        channelMask = 0xFC;
-        break;
-    default:
-        Q_ASSERT(false);
-        return 0;
-    }
-
-    return QString::number(channelMask << 16 | channelCount);
-}
-
 void
 NvHTTP::launchApp(int appId,
                  PSTREAM_CONFIGURATION streamConfig,
@@ -175,9 +165,10 @@ NvHTTP::launchApp(int appId,
                                   "&mode="+QString::number(streamConfig->width)+"x"+
                                   QString::number(streamConfig->height)+"x"+
                                   // Using an FPS value over 60 causes SOPS to default to 720p60,
-                                   // so force it to 60 when starting. This won't impact our ability
-                                   // to get > 60 FPS while actually streaming though.
-                                   QString::number(streamConfig->fps > 60 ? 60 : streamConfig->fps)+
+                                   // so force it to 0 to ensure the correct resolution is set. We
+                                   // used to use 60 here but that locked the frame rate to 60 FPS
+                                   // on GFE 3.20.3.
+                                   QString::number(streamConfig->fps > 60 ? 0 : streamConfig->fps)+
                                   "&additionalStates=1&sops="+QString::number(sops ? 1 : 0)+
                                   "&rikey="+QByteArray(streamConfig->remoteInputAesKey, sizeof(streamConfig->remoteInputAesKey)).toHex()+
                                   "&rikeyid="+QString::number(riKeyId)+
@@ -185,7 +176,7 @@ NvHTTP::launchApp(int appId,
                                       "&hdrMode=1&clientHdrCapVersion=0&clientHdrCapSupportedFlagsInUint32=0&clientHdrCapMetaDataId=NV_STATIC_METADATA_TYPE_1&clientHdrCapDisplayData=0x0x0x0x0x0x0x0x0x0x0" :
                                        "")+
                                   "&localAudioPlayMode="+QString::number(localAudio ? 1 : 0)+
-                                   "&surroundAudioInfo="+getSurroundAudioInfoString(streamConfig->audioConfiguration)+
+                                   "&surroundAudioInfo="+QString::number(SURROUNDAUDIOINFO_FROM_AUDIO_CONFIGURATION(streamConfig->audioConfiguration))+
                                   "&remoteControllersBitmap="+QString::number(gamepadMask)+
                                   "&gcmap="+QString::number(gamepadMask),
                                   LAUNCH_TIMEOUT_MS);
@@ -207,7 +198,7 @@ NvHTTP::resumeApp(PSTREAM_CONFIGURATION streamConfig)
                                   "resume",
                                   "rikey="+QString(QByteArray(streamConfig->remoteInputAesKey, sizeof(streamConfig->remoteInputAesKey)).toHex())+
                                   "&rikeyid="+QString::number(riKeyId)+
-                                   "&surroundAudioInfo="+getSurroundAudioInfoString(streamConfig->audioConfiguration),
+                                   "&surroundAudioInfo="+QString::number(SURROUNDAUDIOINFO_FROM_AUDIO_CONFIGURATION(streamConfig->audioConfiguration)),
                                   RESUME_TIMEOUT_MS);

    // Throws if the request failed
@@ -243,17 +234,17 @@ NvHTTP::getDisplayModeList(QString serverInfo)

    while (!xmlReader.atEnd()) {
        while (xmlReader.readNextStartElement()) {
-            QStringRef name = xmlReader.name();
-            if (xmlReader.name() == "DisplayMode") {
+            auto name = xmlReader.name();
+            if (name == QString("DisplayMode")) {
                modes.append(NvDisplayMode());
            }
-            else if (xmlReader.name() == "Width") {
+            else if (name == QString("Width")) {
                modes.last().width = xmlReader.readElementText().toInt();
            }
-            else if (xmlReader.name() == "Height") {
+            else if (name == QString("Height")) {
                modes.last().height = xmlReader.readElementText().toInt();
            }
-            else if (xmlReader.name() == "RefreshRate") {
+            else if (name == QString("RefreshRate")) {
                modes.last().refreshRate = xmlReader.readElementText().toInt();
            }
        }
@@ -276,8 +267,8 @@ NvHTTP::getAppList()
    QVector<NvApp> apps;
    while (!xmlReader.atEnd()) {
        while (xmlReader.readNextStartElement()) {
-            QStringRef name = xmlReader.name();
-            if (xmlReader.name() == "App") {
+            auto name = xmlReader.name();
+            if (name == QString("App")) {
                // We must have a valid app before advancing to the next one
                if (!apps.isEmpty() && !apps.last().isInitialized()) {
                    qWarning() << "Invalid applist XML";
@@ -286,15 +277,18 @@ NvHTTP::getAppList()
                }
                apps.append(NvApp());
            }
-            else if (xmlReader.name() == "AppTitle") {
+            else if (name == QString("AppTitle")) {
                apps.last().name = xmlReader.readElementText();
            }
-            else if (xmlReader.name() == "ID") {
+            else if (name == QString("ID")) {
                apps.last().id = xmlReader.readElementText().toInt();
            }
-            else if (xmlReader.name() == "IsHdrSupported") {
+            else if (name == QString("IsHdrSupported")) {
                apps.last().hdrSupported = xmlReader.readElementText() == "1";
            }
+            else if (name == QString("IsAppCollectorGame")) {
+                apps.last().isAppCollectorGame = xmlReader.readElementText() == "1";
+            }
        }
    }

@@ -308,9 +302,12 @@ NvHTTP::verifyResponseStatus(QString xml)

    while (xmlReader.readNextStartElement())
    {
-        if (xmlReader.name() == "root")
+        if (xmlReader.name() == QString("root"))
        {
-            int statusCode = xmlReader.attributes().value("status_code").toInt();
+            // Status code can be 0xFFFFFFFF in some rare cases on GFE 3.20.3, and
+            // QString::toInt() will fail in that case, so use QString::toUInt()
+            // and cast the result to an int instead.
+            int statusCode = (int)xmlReader.attributes().value("status_code").toUInt();
            if (statusCode == 200)
            {
                // Successful
@@ -323,6 +320,12 @@ NvHTTP::verifyResponseStatus(QString xml)
                    // 401 is expected for unpaired PCs when we fetch serverinfo over HTTPS
                    qWarning() << "Request failed:" << statusCode << statusMessage;
                }
+                if (statusCode == -1 && statusMessage == "Invalid") {
+                    // Special case handling an audio capture error which GFE doesn't
+                    // provide any useful status message for.
+                    statusCode = 418;
+                    statusMessage = tr("Missing audio capture device. Reinstalling GeForce Experience should resolve this error.");
+                }
                throw GfeHttpResponseException(statusCode, statusMessage);
            }
        }
@@ -389,7 +392,7 @@ void NvHTTP::handleSslErrors(QNetworkReply* reply, const QList<QSslError>& error
        return;
    }

-    for (auto error : errors) {
+    for (const QSslError& error : errors) {
        if (m_ServerCert != error.certificate()) {
            ignoreErrors = false;
            break;
@@ -412,7 +415,13 @@ NvHTTP::openConnectionToString(QUrl baseUrl,
    QString ret;

    QTextStream stream(reply);
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    stream.setEncoding(QStringConverter::Utf8);
+#else
    stream.setCodec("UTF-8");
+#endif
+
    ret = stream.readAll();
    delete reply;

@@ -442,14 +451,27 @@ NvHTTP::openConnection(QUrl baseUrl,
    // Add our client certificate
    request.setSslConfiguration(IdentityManager::get()->getSslConfig());

+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    // Disable HTTP/2 (GFE 3.22 doesn't like it) and Qt 6 enables it by default
+    request.setAttribute(QNetworkRequest::Http2AllowedAttribute, false);
+#endif
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 15, 1) && !defined(QT_NO_BEARERMANAGEMENT)
+    // HACK: Set network accessibility to work around QTBUG-80947 (introduced in Qt 5.14.0 and fixed in Qt 5.15.1)
+    QT_WARNING_PUSH
+    QT_WARNING_DISABLE_DEPRECATED
+    m_Nam.setNetworkAccessible(QNetworkAccessManager::Accessible);
+    QT_WARNING_POP
+#endif
+
    QNetworkReply* reply = m_Nam.get(request);

    // Run the request with a timeout if requested
    QEventLoop loop;
-    connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
-    connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()), &loop, SLOT(quit()));
+    connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
+    connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, &loop, &QEventLoop::quit);
    if (timeoutMs) {
-        QTimer::singleShot(timeoutMs, &loop, SLOT(quit()));
+        QTimer::singleShot(timeoutMs, &loop, &QEventLoop::quit);
    }
    if (logLevel >= NvLogLevel::NVLL_VERBOSE) {
        qInfo() << "Executing request:" << url.toString();
@@ -1,6 +1,7 @@
 #pragma once

 #include "identitymanager.h"
+#include "nvapp.h"

 #include <Limelight.h>

@@ -8,26 +9,6 @@
 #include <QNetworkAccessManager>
 #include <QNetworkReply>

-class NvApp
-{
-public:
-    bool operator==(const NvApp& other) const
-    {
-        return id == other.id;
-    }
-
-    bool isInitialized()
-    {
-        return id != 0 && !name.isEmpty();
-    }
-
-    int id;
-    QString name;
-    bool hdrSupported;
-};
-
-Q_DECLARE_METATYPE(NvApp)
-
 class NvDisplayMode
 {
 public:
@@ -42,6 +23,7 @@ public:
    int height;
    int refreshRate;
 };
+Q_DECLARE_TYPEINFO(NvDisplayMode, Q_PRIMITIVE_TYPE);

 class GfeHttpResponseException : public std::exception
 {
@@ -131,7 +113,7 @@ public:
    getCurrentGame(QString serverInfo);

    QString
-    getServerInfo(NvLogLevel logLevel);
+    getServerInfo(NvLogLevel logLevel, bool fastFail = false);

    static
    void
@@ -156,6 +138,10 @@ public:

    void setServerCert(QSslCertificate serverCert);

+    void setAddress(QString address);
+
+    QString address();
+
    static
    QVector<int>
    parseQuad(QString quad);
@@ -1,8 +1,9 @@
 #include "nvpairingmanager.h"
 #include "utils.h"

+#include <stdexcept>
+
 #include <openssl/bio.h>
-#include <openssl/aes.h>
 #include <openssl/rand.h>
 #include <openssl/pem.h>
 #include <openssl/x509.h>
@@ -51,39 +52,63 @@ NvPairingManager::generateRandomBytes(int length)
 }

 QByteArray
-NvPairingManager::encrypt(QByteArray plaintext, AES_KEY* key)
+NvPairingManager::encrypt(const QByteArray& plaintext, const QByteArray& key)
 {
    QByteArray ciphertext(plaintext.size(), 0);
+    EVP_CIPHER_CTX* cipher;
+    int ciphertextLen;

-    for (int i = 0; i < plaintext.size(); i += 16)
-    {
-        AES_encrypt(reinterpret_cast<unsigned char*>(&plaintext.data()[i]),
-                    reinterpret_cast<unsigned char*>(&ciphertext.data()[i]),
-                    key);
-    }
+    cipher = EVP_CIPHER_CTX_new();
+    THROW_BAD_ALLOC_IF_NULL(cipher);
+
+    EVP_EncryptInit(cipher, EVP_aes_128_ecb(), reinterpret_cast<const unsigned char*>(key.data()), NULL);
+    EVP_CIPHER_CTX_set_padding(cipher, 0);
+
+    EVP_EncryptUpdate(cipher,
+                      reinterpret_cast<unsigned char*>(ciphertext.data()),
+                      &ciphertextLen,
+                      reinterpret_cast<const unsigned char*>(plaintext.data()),
+                      plaintext.length());
+    Q_ASSERT(ciphertextLen == ciphertext.length());
+
+    EVP_CIPHER_CTX_free(cipher);

    return ciphertext;
 }

 QByteArray
-NvPairingManager::decrypt(QByteArray ciphertext, AES_KEY* key)
+NvPairingManager::decrypt(const QByteArray& ciphertext, const QByteArray& key)
 {
    QByteArray plaintext(ciphertext.size(), 0);
+    EVP_CIPHER_CTX* cipher;
+    int plaintextLen;

-    for (int i = 0; i < plaintext.size(); i += 16)
-    {
-        AES_decrypt(reinterpret_cast<unsigned char*>(&ciphertext.data()[i]),
-                    reinterpret_cast<unsigned char*>(&plaintext.data()[i]),
-                    key);
-    }
+    cipher = EVP_CIPHER_CTX_new();
+    THROW_BAD_ALLOC_IF_NULL(cipher);
+
+    EVP_DecryptInit(cipher, EVP_aes_128_ecb(), reinterpret_cast<const unsigned char*>(key.data()), NULL);
+    EVP_CIPHER_CTX_set_padding(cipher, 0);
+
+    EVP_DecryptUpdate(cipher,
+                      reinterpret_cast<unsigned char*>(plaintext.data()),
+                      &plaintextLen,
+                      reinterpret_cast<const unsigned char*>(ciphertext.data()),
+                      ciphertext.length());
+    Q_ASSERT(plaintextLen == plaintext.length());
+
+    EVP_CIPHER_CTX_free(cipher);

    return plaintext;
 }

 QByteArray
-NvPairingManager::getSignatureFromPemCert(QByteArray certificate)
+NvPairingManager::getSignatureFromPemCert(const QByteArray& certificate)
 {
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
+    BIO* bio = BIO_new_mem_buf(const_cast<char*>(certificate.data()), -1);
+#else
    BIO* bio = BIO_new_mem_buf(certificate.data(), -1);
+#endif
    THROW_BAD_ALLOC_IF_NULL(bio);

    X509* cert = PEM_read_bio_X509(bio, nullptr, nullptr, nullptr);
@@ -107,9 +132,13 @@ NvPairingManager::getSignatureFromPemCert(QByteArray certificate)
 }

 bool
-NvPairingManager::verifySignature(QByteArray data, QByteArray signature, QByteArray serverCertificate)
+NvPairingManager::verifySignature(const QByteArray& data, const QByteArray& signature, const QByteArray& serverCertificate)
 {
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
+    BIO* bio = BIO_new_mem_buf(const_cast<char*>(serverCertificate.data()), -1);
+#else
    BIO* bio = BIO_new_mem_buf(serverCertificate.data(), -1);
+#endif
    THROW_BAD_ALLOC_IF_NULL(bio);

    X509* cert = PEM_read_bio_X509(bio, nullptr, nullptr, nullptr);
@@ -123,7 +152,7 @@ NvPairingManager::verifySignature(QByteArray data, QByteArray signature, QByteAr

    EVP_DigestVerifyInit(mdctx, nullptr, EVP_sha256(), nullptr, pubKey);
    EVP_DigestVerifyUpdate(mdctx, data.data(), data.length());
-    int result = EVP_DigestVerifyFinal(mdctx, reinterpret_cast<unsigned char*>(signature.data()), signature.length());
+    int result = EVP_DigestVerifyFinal(mdctx, reinterpret_cast<unsigned char*>(const_cast<char*>(signature.data())), signature.length());

    EVP_PKEY_free(pubKey);
    EVP_MD_CTX_destroy(mdctx);
@@ -133,7 +162,7 @@ NvPairingManager::verifySignature(QByteArray data, QByteArray signature, QByteAr
 }

 QByteArray
-NvPairingManager::signMessage(QByteArray message)
+NvPairingManager::signMessage(const QByteArray& message)
 {
    EVP_MD_CTX *ctx = EVP_MD_CTX_create();
    THROW_BAD_ALLOC_IF_NULL(ctx);
@@ -143,7 +172,7 @@ NvPairingManager::signMessage(QByteArray message)

    EVP_DigestInit_ex(ctx, md, NULL);
    EVP_DigestSignInit(ctx, NULL, md, NULL, m_PrivateKey);
-    EVP_DigestSignUpdate(ctx, reinterpret_cast<unsigned char*>(message.data()), message.length());
+    EVP_DigestSignUpdate(ctx, reinterpret_cast<unsigned char*>(const_cast<char*>(message.data())), message.length());

    size_t signatureLength = 0;
    EVP_DigestSignFinal(ctx, NULL, &signatureLength);
@@ -157,7 +186,7 @@ NvPairingManager::signMessage(QByteArray message)
 }

 QByteArray
-NvPairingManager::saltPin(QByteArray salt, QString pin)
+NvPairingManager::saltPin(const QByteArray& salt, QString pin)
 {
    return QByteArray().append(salt).append(pin.toLatin1());
 }
@@ -186,9 +215,8 @@ NvPairingManager::pair(QString appVersion, QString pin, QSslCertificate& serverC
    QByteArray salt = generateRandomBytes(16);
    QByteArray saltedPin = saltPin(salt, pin);

-    AES_KEY encKey, decKey;
-    AES_set_decrypt_key(reinterpret_cast<const unsigned char*>(QCryptographicHash::hash(saltedPin, hashAlgo).data()), 128, &decKey);
-    AES_set_encrypt_key(reinterpret_cast<const unsigned char*>(QCryptographicHash::hash(saltedPin, hashAlgo).data()), 128, &encKey);
+    QByteArray aesKey = QCryptographicHash::hash(saltedPin, hashAlgo).constData();
+    aesKey.truncate(16);

    QString getCert = m_Http.openConnectionToString(m_Http.m_BaseUrlHttp,
                                                    "pair",
@@ -210,20 +238,21 @@ NvPairingManager::pair(QString appVersion, QString pin, QSslCertificate& serverC
        return PairState::ALREADY_IN_PROGRESS;
    }

-    serverCert = QSslCertificate(serverCertStr);
-    if (serverCert.isNull()) {
-        Q_ASSERT(!serverCert.isNull());
+    QSslCertificate unverifiedServerCert = QSslCertificate(serverCertStr);
+    if (unverifiedServerCert.isNull()) {
+        Q_ASSERT(!unverifiedServerCert.isNull());

        qCritical() << "Failed to parse plaincert";
        m_Http.openConnectionToString(m_Http.m_BaseUrlHttp, "unpair", nullptr, REQUEST_TIMEOUT_MS);
        return PairState::FAILED;
    }

-    // Pin this cert for TLS
-    m_Http.setServerCert(serverCert);
+    // Pin this cert for TLS until pairing is complete. If successful, we will propagate
+    // the cert into the NvComputer object and persist it.
+    m_Http.setServerCert(unverifiedServerCert);

    QByteArray randomChallenge = generateRandomBytes(16);
-    QByteArray encryptedChallenge = encrypt(randomChallenge, &encKey);
+    QByteArray encryptedChallenge = encrypt(randomChallenge, aesKey);
    QString challengeXml = m_Http.openConnectionToString(m_Http.m_BaseUrlHttp,
                                                         "pair",
                                                         "devicename=roth&updateState=1&clientchallenge=" +
@@ -237,7 +266,7 @@ NvPairingManager::pair(QString appVersion, QString pin, QSslCertificate& serverC
        return PairState::FAILED;
    }

-    QByteArray challengeResponseData = decrypt(m_Http.getXmlStringFromHex(challengeXml, "challengeresponse"), &decKey);
+    QByteArray challengeResponseData = decrypt(m_Http.getXmlStringFromHex(challengeXml, "challengeresponse"), aesKey);
    QByteArray clientSecretData = generateRandomBytes(16);
    QByteArray challengeResponse;
    QByteArray serverResponse(challengeResponseData.data(), hashLength);
@@ -256,7 +285,9 @@ NvPairingManager::pair(QString appVersion, QString pin, QSslCertificate& serverC
    challengeResponse.append(reinterpret_cast<char*>(asnSignature->data), asnSignature->length);
    challengeResponse.append(clientSecretData);

-    QByteArray encryptedChallengeResponseHash = encrypt(QCryptographicHash::hash(challengeResponse, hashAlgo), &encKey);
+    QByteArray paddedHash = QCryptographicHash::hash(challengeResponse, hashAlgo);
+    paddedHash.resize(32);
+    QByteArray encryptedChallengeResponseHash = encrypt(paddedHash, aesKey);
    QString respXml = m_Http.openConnectionToString(m_Http.m_BaseUrlHttp,
                                                    "pair",
                                                    "devicename=roth&updateState=1&serverchallengeresp=" +
@@ -323,5 +354,6 @@ NvPairingManager::pair(QString appVersion, QString pin, QSslCertificate& serverC
        return PairState::FAILED;
    }

+    serverCert = std::move(unverifiedServerCert);
    return PairState::PAIRED;
 }
@@ -3,7 +3,6 @@
 #include "identitymanager.h"
 #include "nvhttp.h"

-#include <openssl/aes.h>
 #include <openssl/x509.h>
 #include <openssl/evp.h>

@@ -30,22 +29,22 @@ private:
    generateRandomBytes(int length);

    QByteArray
-    saltPin(QByteArray salt, QString pin);
+    saltPin(const QByteArray& salt, QString pin);

    QByteArray
-    encrypt(QByteArray plaintext, AES_KEY* key);
+    encrypt(const QByteArray& plaintext, const QByteArray& key);

    QByteArray
-    decrypt(QByteArray ciphertext, AES_KEY* key);
+    decrypt(const QByteArray& ciphertext, const QByteArray& key);

    QByteArray
-    getSignatureFromPemCert(QByteArray certificate);
+    getSignatureFromPemCert(const QByteArray& certificate);

    bool
-    verifySignature(QByteArray data, QByteArray signature, QByteArray serverCertificate);
+    verifySignature(const QByteArray& data, const QByteArray& signature, const QByteArray& serverCertificate);

    QByteArray
-    signMessage(QByteArray message);
+    signMessage(const QByteArray& message);

    NvHTTP m_Http;
    X509* m_Cert;
@@ -0,0 +1,67 @@
+#include "richpresencemanager.h"
+
+#include <QDebug>
+
+RichPresenceManager::RichPresenceManager(StreamingPreferences& prefs, QString gameName)
+    : m_DiscordActive(false)
+{
+#ifdef HAVE_DISCORD
+    if (prefs.richPresence) {
+        DiscordEventHandlers handlers = {};
+        handlers.ready = discordReady;
+        handlers.disconnected = discordDisconnected;
+        handlers.errored = discordErrored;
+        Discord_Initialize("594668102021677159", &handlers, 0, nullptr);
+        m_DiscordActive = true;
+    }
+
+    if (m_DiscordActive) {
+        QByteArray stateStr = (QString("Streaming ") + gameName).toUtf8();
+
+        DiscordRichPresence discordPresence = {};
+        discordPresence.state = stateStr.data();
+        discordPresence.startTimestamp = time(nullptr);
+        discordPresence.largeImageKey = "icon";
+        Discord_UpdatePresence(&discordPresence);
+    }
+#else
+    Q_UNUSED(prefs)
+    Q_UNUSED(gameName)
+#endif
+}
+
+RichPresenceManager::~RichPresenceManager()
+{
+#ifdef HAVE_DISCORD
+    if (m_DiscordActive) {
+        Discord_ClearPresence();
+        Discord_Shutdown();
+    }
+#endif
+}
+
+void RichPresenceManager::runCallbacks()
+{
+#ifdef HAVE_DISCORD
+    if (m_DiscordActive) {
+        Discord_RunCallbacks();
+    }
+#endif
+}
+
+#ifdef HAVE_DISCORD
+void RichPresenceManager::discordReady(const DiscordUser* request)
+{
+    qInfo() << "Discord integration ready for user:" << request->username;
+}
+
+void RichPresenceManager::discordDisconnected(int errorCode, const char *message)
+{
+    qInfo() << "Discord integration disconnected:" << errorCode << message;
+}
+
+void RichPresenceManager::discordErrored(int errorCode, const char *message)
+{
+    qWarning() << "Discord integration error:" << errorCode << message;
+}
+#endif
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "settings/streamingpreferences.h"
+
+#ifdef HAVE_DISCORD
+#include <discord_rpc.h>
+#endif
+
+class RichPresenceManager
+{
+public:
+    RichPresenceManager(StreamingPreferences& prefs, QString gameName);
+    ~RichPresenceManager();
+
+    void runCallbacks();
+
+private:
+#ifdef HAVE_DISCORD
+    static void discordReady(const DiscordUser* request);
+    static void discordDisconnected(int errorCode, const char* message);
+    static void discordErrored(int errorCode, const char* message);
+#endif
+
+    bool m_DiscordActive;
+};
+
@@ -1,22 +1,67 @@
 #include "systemproperties.h"
+#include "utils.h"
+
+#include <QGuiApplication>

 #include "streaming/session.h"
 #include "streaming/streamutils.h"

+#ifdef Q_OS_WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#endif
+
 SystemProperties::SystemProperties()
 {
-    isRunningWayland = qgetenv("XDG_SESSION_TYPE") == "wayland";
+    versionString = QString(VERSION_STR);
+    hasDesktopEnvironment = WMUtils::isRunningDesktopEnvironment();
+    isRunningWayland = WMUtils::isRunningWayland();
+    isRunningXWayland = isRunningWayland && QGuiApplication::platformName() == "xcb";
+    QString nativeArch = QSysInfo::currentCpuArchitecture();

 #ifdef Q_OS_WIN32
-    isWow64 = QSysInfo::currentCpuArchitecture() != QSysInfo::buildCpuArchitecture();
+    {
+        USHORT processArch, machineArch;
+
+        // Use IsWow64Process2 on TH2 and later, because it supports ARM64
+        auto fnIsWow64Process2 = (decltype(IsWow64Process2)*)GetProcAddress(GetModuleHandleA("kernel32.dll"), "IsWow64Process2");
+        if (fnIsWow64Process2 != nullptr && fnIsWow64Process2(GetCurrentProcess(), &processArch, &machineArch)) {
+            switch (machineArch) {
+            case IMAGE_FILE_MACHINE_I386:
+                nativeArch = "i386";
+                break;
+            case IMAGE_FILE_MACHINE_AMD64:
+                nativeArch = "x86_64";
+                break;
+            case IMAGE_FILE_MACHINE_ARM64:
+                nativeArch = "arm64";
+                break;
+            }
+        }
+
+        isWow64 = nativeArch != QSysInfo::buildCpuArchitecture();
+    }
 #else
    isWow64 = false;
 #endif

-#ifndef STEAM_LINK
-    hasBrowser = true;
+    if (nativeArch == "i386") {
+        friendlyNativeArchName = "x86";
+    }
+    else if (nativeArch == "x86_64") {
+        friendlyNativeArchName = "x64";
+    }
+    else {
+        friendlyNativeArchName = nativeArch.toUpper();
+    }
+
+    // Assume we can probably launch a browser if we're in a GUI environment
+    hasBrowser = hasDesktopEnvironment;
+
+#ifdef HAVE_DISCORD
+    hasDiscordIntegration = true;
 #else
-    hasBrowser = false;
+    hasDiscordIntegration = false;
 #endif

    unmappedGamepads = SdlInputHandler::getUnmappedGamepads();
@@ -42,11 +87,114 @@ QRect SystemProperties::getNativeResolution(int displayIndex)
    return monitorNativeResolutions.value(displayIndex);
 }

+class QuerySdlVideoThread : public QThread
+{
+public:
+    QuerySdlVideoThread(SystemProperties* me) :
+        QThread(nullptr),
+        m_Me(me) {}
+
+    void run() override
+    {
+        m_Me->querySdlVideoInfoInternal();
+    }
+
+    SystemProperties* m_Me;
+};
+
 void SystemProperties::querySdlVideoInfo()
 {
+    if (WMUtils::isRunningX11() || WMUtils::isRunningWayland()) {
+        // Use a separate thread to temporarily initialize SDL
+        // video to avoid stomping on Qt's X11 and OGL state.
+        QuerySdlVideoThread thread(this);
+        thread.start();
+        thread.wait();
+    }
+    else {
+        querySdlVideoInfoInternal();
+    }
+}
+
+void SystemProperties::querySdlVideoInfoInternal()
+{
+    hasHardwareAcceleration = false;
+
+    if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
+                     SDL_GetError());
+        return;
+    }
+
+    // Update display related attributes (max FPS, native resolution, etc).
+    // We call the internal variant because we're already in a safe thread context.
+    refreshDisplaysInternal();
+
+    SDL_Window* testWindow = SDL_CreateWindow("", 0, 0, 1280, 720,
+                                              SDL_WINDOW_HIDDEN | StreamUtils::getPlatformWindowFlags());
+    if (!testWindow) {
+        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                    "Failed to create test window with platform flags: %s",
+                    SDL_GetError());
+
+        testWindow = SDL_CreateWindow("", 0, 0, 1280, 720, SDL_WINDOW_HIDDEN);
+        if (!testWindow) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                         "Failed to create window for hardware decode test: %s",
+                         SDL_GetError());
+            SDL_QuitSubSystem(SDL_INIT_VIDEO);
+            return;
+        }
+    }
+
+    Session::getDecoderInfo(testWindow, hasHardwareAcceleration, rendererAlwaysFullScreen, maximumResolution);
+
+    SDL_DestroyWindow(testWindow);
+
+    SDL_QuitSubSystem(SDL_INIT_VIDEO);
+}
+
+class RefreshDisplaysThread : public QThread
+{
+public:
+    RefreshDisplaysThread(SystemProperties* me) :
+        QThread(nullptr),
+        m_Me(me) {}
+
+    void run() override
+    {
+        m_Me->refreshDisplaysInternal();
+    }
+
+    SystemProperties* m_Me;
+};
+
+void SystemProperties::refreshDisplays()
+{
+    if (WMUtils::isRunningX11() || WMUtils::isRunningWayland()) {
+        // Use a separate thread to temporarily initialize SDL
+        // video to avoid stomping on Qt's X11 and OGL state.
+        RefreshDisplaysThread thread(this);
+        thread.start();
+        thread.wait();
+    }
+    else {
+        refreshDisplaysInternal();
+    }
+}
+
+void SystemProperties::refreshDisplaysInternal()
+{
+    if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
+                     SDL_GetError());
+        return;
+    }
+
    monitorDesktopResolutions.clear();
    monitorNativeResolutions.clear();
-    hasHardwareAcceleration = false;

    // Never let the maximum drop below 60 FPS
    maximumStreamingFrameRate = 60;
@@ -58,7 +206,14 @@ void SystemProperties::querySdlVideoInfo()

        err = SDL_GetDesktopDisplayMode(displayIndex, &desktopMode);
        if (err == 0) {
-            monitorDesktopResolutions.insert(displayIndex, QRect(0, 0, desktopMode.w, desktopMode.h));
+            if (desktopMode.w <= 8192 && desktopMode.h <= 8192) {
+                monitorDesktopResolutions.insert(displayIndex, QRect(0, 0, desktopMode.w, desktopMode.h));
+            }
+            else {
+                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                            "Skipping resolution over 8K: %dx%d",
+                            desktopMode.w, desktopMode.h);
+            }
        }
        else {
            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -67,7 +222,14 @@ void SystemProperties::querySdlVideoInfo()
        }

        if (StreamUtils::getRealDesktopMode(displayIndex, &desktopMode)) {
-            monitorNativeResolutions.insert(displayIndex, QRect(0, 0, desktopMode.w, desktopMode.h));
+            if (desktopMode.w <= 8192 && desktopMode.h <= 8192) {
+                monitorNativeResolutions.insert(displayIndex, QRect(0, 0, desktopMode.w, desktopMode.h));
+            }
+            else {
+                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                            "Skipping resolution over 8K: %dx%d",
+                            desktopMode.w, desktopMode.h);
+            }

            // Start at desktop mode and work our way up
            bestMode = desktopMode;
@@ -86,19 +248,5 @@ void SystemProperties::querySdlVideoInfo()
        }
    }

-    SDL_Window* testWindow = SDL_CreateWindow("", 0, 0, 1280, 720, SDL_WINDOW_HIDDEN);
-    if (!testWindow) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "Failed to create window for hardware decode test: %s",
-                     SDL_GetError());
-        return;
-    }
-
-    hasHardwareAcceleration =
-            Session::isHardwareDecodeAvailable(testWindow,
-                                               StreamingPreferences::VDS_AUTO,
-                                               VIDEO_FORMAT_H264,
-                                               1920, 1080, 60);
-
-    SDL_DestroyWindow(testWindow);
+    SDL_QuitSubSystem(SDL_INIT_VIDEO);
 }
@@ -7,16 +7,27 @@ class SystemProperties : public QObject
 {
    Q_OBJECT

+    friend class QuerySdlVideoThread;
+    friend class RefreshDisplaysThread;
+
 public:
    SystemProperties();

    Q_PROPERTY(bool hasHardwareAcceleration MEMBER hasHardwareAcceleration CONSTANT)
+    Q_PROPERTY(bool rendererAlwaysFullScreen MEMBER rendererAlwaysFullScreen CONSTANT)
    Q_PROPERTY(bool isRunningWayland MEMBER isRunningWayland CONSTANT)
+    Q_PROPERTY(bool isRunningXWayland MEMBER isRunningXWayland CONSTANT)
    Q_PROPERTY(bool isWow64 MEMBER isWow64 CONSTANT)
+    Q_PROPERTY(QString friendlyNativeArchName MEMBER friendlyNativeArchName CONSTANT)
+    Q_PROPERTY(bool hasDesktopEnvironment MEMBER hasDesktopEnvironment CONSTANT)
    Q_PROPERTY(bool hasBrowser MEMBER hasBrowser CONSTANT)
+    Q_PROPERTY(bool hasDiscordIntegration MEMBER hasDiscordIntegration CONSTANT)
    Q_PROPERTY(QString unmappedGamepads MEMBER unmappedGamepads NOTIFY unmappedGamepadsChanged)
    Q_PROPERTY(int maximumStreamingFrameRate MEMBER maximumStreamingFrameRate CONSTANT)
+    Q_PROPERTY(QSize maximumResolution MEMBER maximumResolution CONSTANT)
+    Q_PROPERTY(QString versionString MEMBER versionString CONSTANT)

+    Q_INVOKABLE void refreshDisplays();
    Q_INVOKABLE QRect getDesktopResolution(int displayIndex);
    Q_INVOKABLE QRect getNativeResolution(int displayIndex);

@@ -25,14 +36,23 @@ signals:

 private:
    void querySdlVideoInfo();
+    void querySdlVideoInfoInternal();
+    void refreshDisplaysInternal();

    bool hasHardwareAcceleration;
+    bool rendererAlwaysFullScreen;
    bool isRunningWayland;
+    bool isRunningXWayland;
    bool isWow64;
+    QString friendlyNativeArchName;
+    bool hasDesktopEnvironment;
    bool hasBrowser;
+    bool hasDiscordIntegration;
    QString unmappedGamepads;
    int maximumStreamingFrameRate;
+    QSize maximumResolution;
    QList<QRect> monitorDesktopResolutions;
    QList<QRect> monitorNativeResolutions;
+    QString versionString;
 };

@@ -52,7 +52,7 @@ public:

    void handleUnknownOptions()
    {
-        if (unknownOptionNames().length()) {
+        if (!unknownOptionNames().isEmpty()) {
            showError(QString("Unknown options: %1").arg(unknownOptionNames().join(", ")));
        }
    }
@@ -172,20 +172,31 @@ GlobalCommandLineParser::ParseResult GlobalCommandLineParser::parse(const QStrin
    parser.addPositionalArgument("action", "Action to execute", "<action>");
    parser.parse(args);
    auto posArgs = parser.positionalArguments();
-    QString action = posArgs.isEmpty() ? QString() : posArgs.first().toLower();

-    if (action == "") {
+    if (posArgs.isEmpty()) {
        // This method will not return and terminates the process if --version
        // or --help is specified
        parser.handleHelpAndVersionOptions();
        parser.handleUnknownOptions();
        return NormalStartRequested;
-    } else if (action == "quit") {
-        return QuitRequested;
-    } else if (action == "stream") {
-        return StreamRequested;
-    } else {
-        parser.showError(QString("Invalid action: %1").arg(action));
+    }
+    else {
+        // If users supply arguments that accept values prior to the "quit"
+        // or "stream" positional arguments, we will not be able to correctly
+        // parse the value out of the input because this QCommandLineParser
+        // doesn't know about all of the options that "quit" and "stream"
+        // commands can accept. To work around this issue, we just look
+        // for "quit" or "stream" positional arguments anywhere.
+        for (int i = 0; i < posArgs.size(); i++) {
+            QString action = posArgs.at(i).toLower();
+            if (action == "quit") {
+                return QuitRequested;
+            } else if (action == "stream") {
+                return StreamRequested;
+            }
+        }
+
+        parser.showError(QString("Invalid action"));
    }
 }

@@ -241,6 +252,7 @@ StreamCommandLineParser::StreamCommandLineParser()
    m_AudioConfigMap = {
        {"stereo",       StreamingPreferences::AC_STEREO},
        {"5.1-surround", StreamingPreferences::AC_51_SURROUND},
+        {"7.1-surround", StreamingPreferences::AC_71_SURROUND},
    };
    m_VideoCodecMap = {
        {"auto",  StreamingPreferences::VCC_AUTO},
@@ -249,8 +261,13 @@ StreamCommandLineParser::StreamCommandLineParser()
    };
    m_VideoDecoderMap = {
        {"auto",     StreamingPreferences::VDS_AUTO},
-        {"software", StreamingPreferences::VDS_FORCE_HARDWARE},
-        {"hardware", StreamingPreferences::VDS_FORCE_SOFTWARE},
+        {"software", StreamingPreferences::VDS_FORCE_SOFTWARE},
+        {"hardware", StreamingPreferences::VDS_FORCE_HARDWARE},
+    };
+    m_CaptureSysKeysModeMap = {
+        {"never",      StreamingPreferences::CSK_OFF},
+        {"fullscreen", StreamingPreferences::CSK_FULLSCREEN},
+        {"always",     StreamingPreferences::CSK_ALWAYS},
    };
 }

@@ -280,14 +297,22 @@ void StreamCommandLineParser::parse(const QStringList &args, StreamingPreference
    parser.addToggleOption("vsync", "V-Sync");
    parser.addValueOption("fps", "FPS");
    parser.addValueOption("bitrate", "bitrate in Kbps");
+    parser.addValueOption("packet-size", "video packet size");
    parser.addChoiceOption("display-mode", "display mode", m_WindowModeMap.keys());
    parser.addChoiceOption("audio-config", "audio config", m_AudioConfigMap.keys());
    parser.addToggleOption("multi-controller", "multiple controller support");
    parser.addToggleOption("quit-after", "quit app after session");
-    parser.addToggleOption("mouse-acceleration", "mouse acceleration");
+    parser.addToggleOption("absolute-mouse", "remote desktop optimized mouse control");
+    parser.addToggleOption("mouse-buttons-swap", "left and right mouse buttons swap");
+    parser.addToggleOption("touchscreen-trackpad", "touchscreen in trackpad mode");
    parser.addToggleOption("game-optimization", "game optimizations");
    parser.addToggleOption("audio-on-host", "audio on host PC");
    parser.addToggleOption("frame-pacing", "frame pacing");
+    parser.addToggleOption("mute-on-focus-loss", "mute audio when Moonlight window loses focus");
+    parser.addToggleOption("background-gamepad", "background gamepad input");
+    parser.addToggleOption("reverse-scroll-direction", "inverted scroll direction");
+    parser.addToggleOption("swap-gamepad-buttons", "swap A/B and X/Y gamepad buttons (Nintendo-style)");
+    parser.addChoiceOption("capture-system-keys", "capture system key combos", m_CaptureSysKeysModeMap.keys());
    parser.addChoiceOption("video-codec", "video codec", m_VideoCodecMap.keys());
    parser.addChoiceOption("video-decoder", "video decoder", m_VideoDecoderMap.keys());

@@ -300,25 +325,21 @@ void StreamCommandLineParser::parse(const QStringList &args, StreamingPreference
    // Resolve display's width and height
    QRegularExpression resolutionRexExp("^(720|1080|1440|4K|resolution)$");
    QStringList resoOptions = parser.optionNames().filter(resolutionRexExp);
-    bool displaySet = resoOptions.length();
+    bool displaySet = !resoOptions.isEmpty();
    if (displaySet) {
        QString name = resoOptions.last();
        if (name == "720") {
            preferences->width  = 1280;
            preferences->height = 720;
-            displaySet = true;
        } else if (name == "1080") {
            preferences->width  = 1920;
            preferences->height = 1080;
-            displaySet = true;
        } else if (name == "1440") {
            preferences->width  = 2560;
            preferences->height = 1440;
-            displaySet = true;
        } else if (name == "4K") {
            preferences->width  = 3840;
            preferences->height = 2160;
-            displaySet = true;
        } else if (name == "resolution") {
            auto resolution = parser.getResolutionOptionValue(name);
            preferences->width  = resolution.first;
@@ -345,6 +366,14 @@ void StreamCommandLineParser::parse(const QStringList &args, StreamingPreference
            preferences->width, preferences->height, preferences->fps);
    }

+    // Resolve --packet-size option
+    if (parser.isSet("packet-size")) {
+        preferences->packetSize = parser.getIntOption("packet-size");
+        if (preferences->packetSize < 1024) {
+            parser.showError("Packet size must be greater than 1024 bytes");
+        }
+    }
+
    // Resolve --display option
    if (parser.isSet("display-mode")) {
        preferences->windowMode = mapValue(m_WindowModeMap, parser.getChoiceOptionValue("display-mode"));
@@ -364,8 +393,14 @@ void StreamCommandLineParser::parse(const QStringList &args, StreamingPreference
    // Resolve --quit-after and --no-quit-after options
    preferences->quitAppAfter = parser.getToggleOptionValue("quit-after", preferences->quitAppAfter);

-    // Resolve --mouse-acceleration and --no-mouse-acceleration options
-    preferences->mouseAcceleration = parser.getToggleOptionValue("mouse-acceleration", preferences->mouseAcceleration);
+    // Resolve --absolute-mouse and --no-absolute-mouse options
+    preferences->absoluteMouseMode = parser.getToggleOptionValue("absolute-mouse", preferences->absoluteMouseMode);
+
+    // Resolve --mouse-buttons-swap and --no-mouse-buttons-swap options
+    preferences->swapMouseButtons = parser.getToggleOptionValue("mouse-buttons-swap", preferences->swapMouseButtons);
+
+    // Resolve --touchscreen-trackpad and --no-touchscreen-trackpad options
+    preferences->absoluteTouchMode = !parser.getToggleOptionValue("touchscreen-trackpad", !preferences->absoluteTouchMode);

    // Resolve --game-optimization and --no-game-optimization options
    preferences->gameOptimizations = parser.getToggleOptionValue("game-optimization", preferences->gameOptimizations);
@@ -376,6 +411,23 @@ void StreamCommandLineParser::parse(const QStringList &args, StreamingPreference
    // Resolve --frame-pacing and --no-frame-pacing options
    preferences->framePacing = parser.getToggleOptionValue("frame-pacing", preferences->framePacing);

+    // Resolve --mute-on-focus-loss and --no-mute-on-focus-loss options
+    preferences->muteOnFocusLoss = parser.getToggleOptionValue("mute-on-focus-loss", preferences->muteOnFocusLoss);
+
+    // Resolve --background-gamepad and --no-background-gamepad options
+    preferences->backgroundGamepad = parser.getToggleOptionValue("background-gamepad", preferences->backgroundGamepad);
+
+    // Resolve --reverse-scroll-direction and --no-reverse-scroll-direction options
+    preferences->reverseScrollDirection = parser.getToggleOptionValue("reverse-scroll-direction", preferences->reverseScrollDirection);
+
+    // Resolve --swap-gamepad-buttons and --no-swap-gamepad-buttons options
+    preferences->swapFaceButtons = parser.getToggleOptionValue("swap-gamepad-buttons", preferences->swapFaceButtons);
+
+    // Resolve --capture-system-keys option
+    if (parser.isSet("capture-system-keys")) {
+        preferences->captureSysKeysMode = mapValue(m_CaptureSysKeysModeMap, parser.getChoiceOptionValue("capture-system-keys"));
+    }
+
    // Resolve --video-codec option
    if (parser.isSet("video-codec")) {
        preferences->videoCodecConfig = mapValue(m_VideoCodecMap, parser.getChoiceOptionValue("video-codec"));
@@ -53,4 +53,5 @@ private:
    QMap<QString, StreamingPreferences::AudioConfig> m_AudioConfigMap;
    QMap<QString, StreamingPreferences::VideoCodecConfig> m_VideoCodecMap;
    QMap<QString, StreamingPreferences::VideoDecoderSelection> m_VideoDecoderMap;
+    QMap<QString, StreamingPreferences::CaptureSysKeysMode> m_CaptureSysKeysModeMap;
 };
@@ -73,7 +73,7 @@ public:
        case Event::ComputerSeekTimedout:
            if (m_State == StateSeekComputer) {
                m_State = StateFailure;
-                emit q->failed(QString("Failed to connect to %1").arg(m_ComputerName));
+                emit q->failed(QObject::tr("Failed to connect to %1").arg(m_ComputerName));
            }
            break;
        // Occurs when searched computer is found
@@ -85,8 +85,8 @@ public:
                    m_ComputerManager->quitRunningApp(event.computer);
                } else {
                    m_State = StateFailure;
-                    QString msg = QString("Computer %1 has not been paired. "
-                                          "Please open Moonlight to pair before streaming.")
+                    QString msg = QObject::tr("Computer %1 has not been paired. "
+                                              "Please open Moonlight to pair before streaming.")
                            .arg(event.computer->name);
                    emit q->failed(msg);
                }
@@ -99,7 +99,7 @@ public:
                    QCoreApplication::exit(0);
                } else {
                    m_State = StateFailure;
-                    emit q->failed(QString("Quitting app failed, reason: %1").arg(event.errorMessage));
+                    emit q->failed(QObject::tr("Quitting app failed, reason: %1").arg(event.errorMessage));
                }
            }
            break;
@@ -86,8 +86,8 @@ public:
                    emit q->searchingApp();
                } else {
                    m_State = StateFailure;
-                    QString msg = QString("Computer %1 has not been paired. "
-                                          "Please open Moonlight to pair before streaming.")
+                    QString msg = QObject::tr("Computer %1 has not been paired. "
+                                              "Please open Moonlight to pair before streaming.")
                            .arg(event.computer->name);
                    emit q->failed(msg);
                }
@@ -123,18 +123,18 @@ public:
        case Event::AppQuitCompleted:
            if (m_State == StateSeekApp && !event.errorMessage.isEmpty()) {
                m_State = StateFailure;
-                emit q->failed(QString("Quitting app failed, reason: %1").arg(event.errorMessage));
+                emit q->failed(QObject::tr("Quitting app failed, reason: %1").arg(event.errorMessage));
            }
            break;
        // Occurs when computer or app search timed out
        case Event::Timedout:
            if (m_State == StateSeekComputer) {
                m_State = StateFailure;
-                emit q->failed(QString("Failed to connect to %1").arg(m_ComputerName));
+                emit q->failed(QObject::tr("Failed to connect to %1").arg(m_ComputerName));
            }
            if (m_State == StateSeekApp) {
                m_State = StateFailure;
-                emit q->failed(QString("Failed to find application %1").arg(m_AppName));
+                emit q->failed(QObject::tr("Failed to find application %1").arg(m_AppName));
            }
            break;
        }
@@ -7,13 +7,16 @@
 	<summary>Play games remotely from your NVIDIA GameStream-enabled PC</summary>

 	<description>
-		<p>Moonlight can stream games and other applications from a PC with an NVIDIA GeForce GTX 600-series or higher GPU and GeForce Experience installed.</p>
+		<p>Moonlight can stream games and other applications from a PC with an NVIDIA GeForce GTX/RTX or NVIDIA Quadro GPU and GeForce/Quadro Experience installed.</p>
 		<p>Features include:</p>
 		<ul>
 			<li>Streaming at up to 4K resolution</li>
 			<li>Support for up to 120 FPS streaming (high refresh rate monitor recommended)</li>
-			<li>Hardware accelerated video decoding with VAAPI and VDPAU support</li>
-			<li>5.1 surround sound audio support</li>
+			<li>Hardware accelerated video decoding with VAAPI, VDPAU, and NVDEC support</li>
+			<li>7.1 surround sound audio support</li>
+			<li>Support for both pointer capture (for games) and direct mouse control (for remote desktop)</li>
+			<li>Support for passing system-wide keyboard shortcuts like Alt+Tab to the host</li>
+			<li>Direct touchscreen mouse control</li>
 			<li>HEVC support for better video compression efficiency</li>
 			<li>Gamepad support with force feedback for up to 4 players</li>
 		</ul>
@@ -33,6 +36,247 @@
 	</screenshots>

 	<releases>
+		<release version="3.1.3" date="2021-05-07">
+			<description>
+				<p>Changes:</p>
+				<ul>
+					<li>Fixed an issue that could cause excessive audio latency on some connections</li>
+					<li>Updated community-contributed translations from Weblate</li>
+				</ul>
+			</description>
+		</release>
+		<release version="3.1.2" date="2021-05-03">
+			<description>
+				<p>Changes:</p>
+				<ul>
+					<li>Improved connection reliability and performance with GeForce Experience 3.22</li>
+					<li>Added support for audio encryption with GeForce Experience 3.22</li>
+					<li>Added compatibility update checks for future versions of GeForce Experience</li>
+					<li>Fixed keyboard capture on X11</li>
+					<li>Updated community-contributed translations from Weblate</li>
+				</ul>
+			</description>
+		</release>
+		<release version="3.1.1" date="2021-04-09">
+			<description>
+				<p>Changes:</p>
+				<ul>
+					<li>Added support for streaming from GeForce Experience 3.22</li>
+					<li>Added support for AMF-encoded HEVC streams from servers like Sunshine and OpenStream</li>
+					<li>Added new community-contributed translations from Weblate</li>
+					<li>Fixed KMSDRM rendering with buffer modifiers on embedded devices</li>
+				</ul>
+			</description>
+		</release>
+		<release version="3.1.0" date="2021-03-14">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>System keyboard shortcuts (Alt+Tab, Super key, Ctrl+Shift+Esc, etc.) can now be (optionally) captured in windowed mode</li>
+					<li>System keyboard shortcuts can now be captured under Wayland</li>
+					<li>Added support for typing the client's clipboard text on the host by pressing Ctrl+Alt+Shift+V</li>
+					<li>Added Ctrl+Alt+Shift+D key combo to minimize the streaming window</li>
+					<li>Added Ctrl+Alt+Shift+C key combo to show the local cursor while streaming in remote desktop mouse mode</li>
+					<li>Added Select+L1+R1+X gamepad button combo to toggle performance overlay</li>
+					<li>Added translations for Simplified Chinese and German</li>
+					<li>Added a language selector on the settings page</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Improved performance of loading the app grid</li>
+					<li>Fixed video scaling in High DPI mode on Wayland</li>
+					<li>Fixed window icons on Wayland</li>
+					<li>Fixed number pad enter key functionality in the UI</li>
+				</ul>
+			</description>
+		</release>
+		<release version="3.0.0" date="2021-01-17">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Added the ability to define a custom streaming resolution using the UI</li>
+					<li>Added the option to capture system key combinations (Alt+Tab, Ctrl+Shift+Esc, Win+Tab, etc) in fullscreen mode</li>
+					<li>Updated gamepad mappings are automatically downloaded each time Moonlight launches</li>
+					<li>The performance overlay is now supported for Linux clients using VAAPI and VDPAU hardware acceleration</li>
+					<li>Added the option to enable "Direct Launch" which immediately launches the specified game when clicking on a PC</li>
+					<li>Added the option to mute audio when the Moonlight window loses input focus</li>
+					<li>Added the option to toggle background gamepad input</li>
+					<li>Added the option to invert scroll direction</li>
+					<li>Added the option to swap gamepad button layout to Nintendo-style</li>
+					<li>Added the option to start the Moonlight UI in fullscreen mode</li>
+					<li>The failing TCP or UDP ports are now displayed when the connection fails</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Fixed PS4 controllers not reading inputs during haptics in some games</li>
+					<li>Fixed some slow decoders causing the receive time value to increase rather than the decode time</li>
+					<li>Native resolution options now refresh each time the settings page is opened, rather than once per launch of Moonlight</li>
+					<li>Fixed no video or audio while streaming over Internet connections that drop packets with QoS tagging enabled</li>
+					<li>Improved connection testing accuracy for connections with low MTUs</li>
+					<li>Fixed inability to open an app's context menu with a gamepad</li>
+				</ul>
+			</description>
+		</release>
+		<release version="2.2.0" date="2020-09-10">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Added the ability to hide unwanted apps and games</li>
+					<li>Added a network test to determine if your Internet connection is blocking Moonlight</li>
+					<li>Added the option to swap mouse buttons</li>
+					<li>Added codec and resolution to the on-screen performance stats</li>
+					<li>Added a warning if the connection is too unstable to receive any complete video frames</li>
+					<li>Added a Discord link to the toolbar in settings</li>
+					<li>Enabled the new EGL renderer by default on Linux</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Fixed streaming over networks that block QoS-tagged packets</li>
+					<li>Selecting a frame rate higher than 60 FPS no longer sets the host desktop to 720p</li>
+					<li>Right-side modifier keys no longer press the corresponding left-side keys too</li>
+					<li>Fixed mouse position never reaching the edge of the screen with certain desktop resolutions</li>
+					<li>Improved synchronization between host and client mouse cursor in remote desktop mouse mode</li>
+					<li>Cached box art is now deleted when the PC is removed from Moonlight</li>
+					<li>Fixed several CLI options not properly overriding GUI options</li>
+					<li>Updated included gamepad mappings</li>
+					<li>Updated to Qt 5.15.1</li>
+				</ul>
+			</description>
+		</release>
+		<release version="2.1.0" date="2020-05-17">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Remote desktop mode now allows interaction with the host without having to click to focus the Moonlight window first</li>
+					<li>Added a new EGL renderer for improved performance on Wayland and XWayland</li>
+					<li>Added the option to toggle between direct touchscreen mode and the old trackpad mode</li>
+					<li>Added the option to rename host PCs</li>
+					<li>Added the ability to scroll the settings page with the right analog stick</li>
+					<li>Various UI improvements</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Fixed unreliable mouse capture when the stream begins</li>
+					<li>Fixed cursor being trapped in full-screen mode even when the mouse wasn't captured</li>
+					<li>Fixed key presses not being sent to the host if the Super/Meta/Windows key is pressed</li>
+					<li>Updated included gamepad mappings</li>
+				</ul>
+			</description>
+		</release>
+		<release version="2.0.0" date="2020-04-28">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Remote desktop-optimized mouse mode which doesn't require capturing the mouse cursor</li>
+					<li>Touchscreen input now directly controls the mouse cursor</li>
+					<li>7.1 surround sound support</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Improved performance on some lossy networks</li>
+					<li>Fixed disconnect delay when streaming from GeForce Experience 3.20.3.63</li>
+					<li>Fixed frame rate not exceeding 60 when streaming from GeForce Experience 3.20.3.63</li>
+					<li>Fixed parsing of command-line options when passing flags prior to the action</li>
+					<li>Fixed an issue that may cause excessive mDNS network traffic while Moonlight is running</li>
+					<li>Fixed hardware decoding on Intel GPUs running Mesa 20.0 and/or the Iris driver</li>
+					<li>Fixed hardware decoding on Comet Lake and later Intel GPUs using the iHD VA-API driver</li>
+					<li>Fixed hardware decoding on AMD Radeon GPUs with XWayland</li>
+					<li>Fixed a crash when using the iHD VA-API driver on Wayland</li>
+					<li>Fixed delay after exiting the stream on Wayland</li>
+					<li>Updated included gamepad mappings</li>
+				</ul>
+			</description>
+		</release>
+		<release version="1.2.0" date="2019-12-17">
+			<description>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Improved video encoding efficiency</li>
+					<li>Improved performance when streaming over a VPN</li>
+					<li>Fixed RTSP handshake error on certain networks</li>
+					<li>Fixed rumble not working on certain gamepads</li>
+					<li>Fixed pairing error when double-clicking on an unpaired PC</li>
+					<li>Updated included SDL gamepad mappings</li>
+				</ul>
+			</description>
+		</release>
+		<release version="1.1.1" date="2019-09-29">
+			<description>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Improved reliability of public IP address detection</li>
+					<li>Fixed connecting to a host PC with multiple network connections</li>
+					<li>Fixed a hang after exiting a full-screen stream with GNOME on Wayland</li>
+					<li>Fixed gamepad hotplugging</li>
+					<li>Updated to SDL 2.0.10</li>
+					<li>Updated to Qt 5.13.1</li>
+				</ul>
+			</description>
+		</release>
+		<release version="1.1.0" date="2019-08-05">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Added support for NVDEC for NVIDIA GPUs on Wayland</li>
+					<li>Added an option to disable gamepad mouse mode for games that require holding the Start button</li>
+					<li>Added automatic detection of IPv6 addresses for Internet streaming over IPv6 networks</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Improved speed and reliability of automatic PC detection on the local network</li>
+					<li>Fixed audio latency increasing under certain network conditions</li>
+					<li>Fixed 5.1 surround sound sometimes causing no audio to play when streaming over the Internet</li>
+					<li>Fixed graceful termination of games not being detected properly on GFE 3.19</li>
+					<li>Fixed several audio issues on Linux by switching back to SDL for audio</li>
+					<li>Changed client certificate signature algorithm from SHA-1 to SHA-256 for Debian Buster compatibility</li>
+					<li>Updated included gamepad mappings</li>
+				</ul>
+			</description>
+		</release>
+		<release version="1.0.1" date="2019-05-27">
+			<description>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Fixed broken video on GeForce Experience 3.19</li>
+				</ul>
+			</description>
+		</release>
+		<release version="1.0.0" date="2019-05-21">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Mouse mode for gamepads (Press and hold Start to toggle)</li>
+					<li>Improved gamepad UI navigation</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Fixed duplicate non-working gamepads appearing on the host</li>
+					<li>Fixed excessive frame queue delay on macOS</li>
+					<li>Fixed excessive audio latency on Steam Link</li>
+					<li>Fixed hiding mouse cursor after streaming on Steam Link</li>
+					<li>Fixed incorrect receive time stats on 32-bit platforms</li>
+					<li>Added UDP ports 48002 and 48010 for Wake-on-LAN</li>
+					<li>Updated included gamepad mappings</li>
+				</ul>
+			</description>
+		</release>
+		<release version="0.10.1" date="2019-04-28">
+			<description>
+				<p>New features:</p>
+				<ul>
+					<li>Video performance optimizations</li>
+					<li>VAAPI support on Wayland</li>
+				</ul>
+				<p>Bugfixes:</p>
+				<ul>
+					<li>Fixed a crash when attempting to dismiss the connection terminated dialog</li>
+					<li>Fixed a crash when using the overlay on the software decoder</li>
+					<li>Fixed software decoder not displaying output in some cases</li>
+					<li>Fixed some minor UI issues on the PC grid</li>
+					<li>Improved visibility of toolbar highlights</li>
+				</ul>
+			</description>
+		</release>
 		<release version="0.10.0" date="2019-04-07">
 			<description>
 				<p>New features:</p>
@@ -5,5 +5,9 @@
 # pairing data will be lost each reboot.
 HOME=/usr/local/moonlight

+# Renice PE_Single_CPU which seems to host A/V stuff
+renice -10 -p $(pidof PE_Single_CPU)
+
+# Renice Moonlight itself to avoid preemption by background tasks
 # Write output to a logfile in /tmp
-exec ./bin/moonlight > /tmp/moonlight.log
+exec nice -n -10 ./bin/moonlight > /tmp/moonlight.log
@@ -3,11 +3,14 @@ import QtQuick.Controls 2.2

 import AppModel 1.0
 import ComputerManager 1.0
+import SdlGamepadKeyNavigation 1.0

 CenteredGridView {
    property int computerIndex
    property AppModel appModel : createModel()
    property bool activated
+    property bool showHiddenGames
+    property bool showGames

    id: appGrid
    focus: true
@@ -32,6 +35,24 @@ CenteredGridView {
    StackView.onActivated: {
        appModel.computerLost.connect(computerLost)
        activated = true
+
+        // Highlight the first item if a gamepad is connected
+        if (currentIndex == -1 && SdlGamepadKeyNavigation.getConnectedGamepads() > 0) {
+            currentIndex = 0
+        }
+
+        if (!showGames && !showHiddenGames) {
+            // Check if there's a direct launch app
+            var directLaunchAppIndex = model.getDirectLaunchAppIndex();
+            if (directLaunchAppIndex >= 0) {
+                // Start the direct launch app if nothing else is running
+                currentIndex = directLaunchAppIndex
+                currentItem.launchOrResumeSelectedApp(false)
+
+                // Set showGames so we will not loop when the stream ends
+                showGames = true
+            }
+        }
    }

    StackView.onDeactivating: {
@@ -42,7 +63,7 @@ CenteredGridView {
    function createModel()
    {
        var model = Qt.createQmlObject('import AppModel 1.0; AppModel {}', parent, '')
-        model.initialize(ComputerManager, computerIndex)
+        model.initialize(ComputerManager, computerIndex, showHiddenGames)
        return model
    }

@@ -52,6 +73,12 @@ CenteredGridView {
        width: 220; height: 287;
        grid: appGrid

+        property alias appContextMenu: appContextMenuLoader.item
+        property alias appNameText: appNameTextLoader.item
+
+        // Dim the app if it's hidden
+        opacity: model.hidden ? 0.4 : 1.0
+
        Image {
            property bool isPlaceholder: false

@@ -61,9 +88,14 @@ CenteredGridView {
            source: model.boxart

            onSourceSizeChanged: {
-                if ((width == 130 && height == 180) || // GFE 2.0 placeholder image
-                    (width == 628 && height == 888) || // GFE 3.0 placeholder image
-                    (width == 200 && height == 266))   // Our no_app_image.png
+                // Nearly all of Nvidia's official box art does not match the dimensions of placeholder
+                // images, however the one known exeception is Overcooked. Therefore, we only execute
+                // the image size checks if this is not an app collector game. We know the officially
+                // supported games all have box art, so this check is not required.
+                if (!model.isAppCollectorGame &&
+                    ((sourceSize.width == 130 && sourceSize.height == 180) || // GFE 2.0 placeholder image
+                     (sourceSize.width == 628 && sourceSize.height == 888) || // GFE 3.0 placeholder image
+                     (sourceSize.width == 200 && sourceSize.height == 266)))  // Our no_app_image.png
                {
                    isPlaceholder = true
                }
@@ -80,95 +112,117 @@ CenteredGridView {
            ToolTip.text: model.name
            ToolTip.delay: 1000
            ToolTip.timeout: 5000
-            ToolTip.visible: (parent.hovered || parent.highlighted) && (!appNameText.visible || appNameText.truncated)
+            ToolTip.visible: (parent.hovered || parent.highlighted) && (!appNameText || appNameText.truncated)
        }

-        ToolButton {
-            id: resumeButton
-            anchors.horizontalCenterOffset: appIcon.isPlaceholder ? -47 : 0
-            anchors.verticalCenterOffset: appIcon.isPlaceholder ? -75 : -60
-            anchors.centerIn: appIcon
-            visible: model.running
-            implicitWidth: 125
-            implicitHeight: 125
+        Loader {
+            active: model.running
+            asynchronous: true
+            anchors.fill: appIcon

-            Image {
-                source: "qrc:/res/baseline-play_circle_filled_white-48px.svg"
-                anchors.centerIn: parent
-                sourceSize {
-                    width: 75
-                    height: 75
+            sourceComponent: Item {
+                ToolButton {
+                    anchors.horizontalCenterOffset: appIcon.isPlaceholder ? -47 : 0
+                    anchors.verticalCenterOffset: appIcon.isPlaceholder ? -75 : -60
+                    anchors.centerIn: parent
+                    implicitWidth: 125
+                    implicitHeight: 125
+
+                    Image {
+                        source: "qrc:/res/baseline-play_circle_filled_white-48px.svg"
+                        anchors.centerIn: parent
+                        sourceSize {
+                            width: 75
+                            height: 75
+                        }
+                    }
+
+                    onClicked: {
+                        launchOrResumeSelectedApp(true)
+                    }
+
+                    ToolTip.text: qsTr("Resume Game")
+                    ToolTip.delay: 1000
+                    ToolTip.timeout: 3000
+                    ToolTip.visible: hovered
+                }
+
+                ToolButton {
+                    anchors.horizontalCenterOffset: appIcon.isPlaceholder ? 47 : 0
+                    anchors.verticalCenterOffset: appIcon.isPlaceholder ? -75 : 60
+                    anchors.centerIn: parent
+                    implicitWidth: 125
+                    implicitHeight: 125
+
+                    Image {
+                        source: "qrc:/res/baseline-cancel-24px.svg"
+                        anchors.centerIn: parent
+                        sourceSize {
+                            width: 75
+                            height: 75
+                        }
+                    }
+
+                    onClicked: {
+                        doQuitGame()
+                    }
+
+                    ToolTip.text: qsTr("Quit Game")
+                    ToolTip.delay: 1000
+                    ToolTip.timeout: 3000
+                    ToolTip.visible: hovered
                }
            }
-
-            onClicked: {
-                launchOrResumeSelectedApp()
-            }
-
-            ToolTip.text: "Resume Game"
-            ToolTip.delay: 1000
-            ToolTip.timeout: 3000
-            ToolTip.visible: hovered
        }

-        ToolButton {
-            id: quitButton
-            anchors.horizontalCenterOffset: appIcon.isPlaceholder ? 47 : 0
-            anchors.verticalCenterOffset: appIcon.isPlaceholder ? -75 : 60
-            anchors.centerIn: appIcon
-            visible: model.running
-            implicitWidth: 125
-            implicitHeight: 125
+        Loader {
+            id: appNameTextLoader
+            active: appIcon.isPlaceholder

-            Image {
-                source: "qrc:/res/baseline-cancel-24px.svg"
-                anchors.centerIn: parent
-                sourceSize {
-                    width: 75
-                    height: 75
-                }
-            }
+            // This loader is not asynchronous to avoid noticeable differences
+            // in the time in which the text loads for each game.

-            onClicked: {
-                doQuitGame()
-            }
-
-            ToolTip.text: "Quit Game"
-            ToolTip.delay: 1000
-            ToolTip.timeout: 3000
-            ToolTip.visible: hovered
-        }
-
-        Label {
-            id: appNameText
-            visible: appIcon.isPlaceholder
-            text: model.name
            width: appIcon.width
            height: model.running ? 175 : appIcon.height
+
            anchors.left: appIcon.left
            anchors.right: appIcon.right
            anchors.bottom: appIcon.bottom
-            font.pointSize: 22
-            verticalAlignment: Text.AlignVCenter
-            horizontalAlignment: Text.AlignHCenter
-            wrapMode: Text.Wrap
-            elide: Text.ElideRight
+
+            sourceComponent: Label {
+                id: appNameText
+                text: model.name
+                font.pointSize: 22
+                leftPadding: 20
+                rightPadding: 20
+                verticalAlignment: Text.AlignVCenter
+                horizontalAlignment: Text.AlignHCenter
+                wrapMode: Text.Wrap
+                elide: Text.ElideRight
+            }
        }

-        function launchOrResumeSelectedApp()
+        function launchOrResumeSelectedApp(quitExistingApp)
        {
-            var runningIndex = appModel.getRunningAppIndex()
-            if (runningIndex >= 0 && runningIndex !== index) {
-                quitAppDialog.appName = appModel.getRunningAppName()
-                quitAppDialog.segueToStream = true
-                quitAppDialog.nextAppName = model.name
-                quitAppDialog.nextAppIndex = index
-                quitAppDialog.open()
+            var runningId = appModel.getRunningAppId()
+            if (runningId !== 0 && runningId !== model.appid) {
+                if (quitExistingApp) {
+                    quitAppDialog.appName = appModel.getRunningAppName()
+                    quitAppDialog.segueToStream = true
+                    quitAppDialog.nextAppName = model.name
+                    quitAppDialog.nextAppIndex = index
+                    quitAppDialog.open()
+                }
+
                return
            }

            var component = Qt.createComponent("StreamSegue.qml")
-            var segue = component.createObject(stackView, {"appName": model.name, "session": appModel.createSessionForApp(index)})
+            var segue = component.createObject(stackView, {
+                                                   "appName": model.name,
+                                                   "session": appModel.createSessionForApp(index),
+                                                   "isResume": runningId === model.appid
+                                               })
            stackView.push(segue)
        }

@@ -178,7 +232,26 @@ CenteredGridView {
            // will handle starting the game and clicks on the box art will
            // be ignored.
            if (!model.running) {
-                launchOrResumeSelectedApp()
+                launchOrResumeSelectedApp(true)
+            }
+        }
+
+        onPressAndHold: {
+            // popup() ensures the menu appears under the mouse cursor
+            if (appContextMenu.popup) {
+                appContextMenu.popup()
+            }
+            else {
+                // Qt 5.9 doesn't have popup()
+                appContextMenu.open()
+            }
+        }
+
+        MouseArea {
+            anchors.fill: parent
+            acceptedButtons: Qt.RightButton;
+            onClicked: {
+                parent.onPressAndHold()
            }
        }

@@ -193,7 +266,10 @@ CenteredGridView {
            }
        }

-        Keys.onMenuPressed: {
+        Keys.onEnterPressed: {
+            // Open the app context menu if activated via the gamepad or keyboard
+            // for running games. If the game isn't running, the above onClicked
+            // method will handle the launch.
            if (model.running) {
                // This will be keyboard/gamepad driven so use
                // open() instead of popup()
@@ -201,24 +277,59 @@ CenteredGridView {
            }
        }

+        Keys.onMenuPressed: {
+            // This will be keyboard/gamepad driven so use open() instead of popup()
+            appContextMenu.open()
+        }
+
        function doQuitGame() {
            quitAppDialog.appName = appModel.getRunningAppName()
            quitAppDialog.segueToStream = false
            quitAppDialog.open()
        }

-        NavigableMenu {
-            id: appContextMenu
-            NavigableMenuItem {
-                parentMenu: appContextMenu
-                text: model.running ? "Resume Game" : "Launch Game"
-                onTriggered: launchOrResumeSelectedApp()
-            }
-            NavigableMenuItem {
-                parentMenu: appContextMenu
-                text: "Quit Game"
-                onTriggered: doQuitGame()
-                visible: model.running
+        Loader {
+            id: appContextMenuLoader
+            asynchronous: true
+            sourceComponent: NavigableMenu {
+                id: appContextMenu
+                NavigableMenuItem {
+                    parentMenu: appContextMenu
+                    text: model.running ? qsTr("Resume Game") : qsTr("Launch Game")
+                    onTriggered: launchOrResumeSelectedApp(true)
+                }
+                NavigableMenuItem {
+                    parentMenu: appContextMenu
+                    text: qsTr("Quit Game")
+                    onTriggered: doQuitGame()
+                    visible: model.running
+                }
+                NavigableMenuItem {
+                    parentMenu: appContextMenu
+                    checkable: true
+                    checked: model.directLaunch
+                    text: qsTr("Direct Launch")
+                    onTriggered: appModel.setAppDirectLaunch(model.index, !model.directLaunch)
+                    enabled: !model.hidden
+
+                    ToolTip.text: qsTr("Launch this app immediately when the host is selected, bypassing the app selection grid.")
+                    ToolTip.delay: 1000
+                    ToolTip.timeout: 3000
+                    ToolTip.visible: hovered
+                }
+                NavigableMenuItem {
+                    parentMenu: appContextMenu
+                    checkable: true
+                    checked: model.hidden
+                    text: qsTr("Hide Game")
+                    onTriggered: appModel.setAppHidden(model.index, !model.hidden)
+                    enabled: model.hidden || (!model.running && !model.directLaunch)
+
+                    ToolTip.text: qsTr("Hide this game from the app grid. To access hidden games, right-click on the host and choose %1.").arg(qsTr("View All Apps"))
+                    ToolTip.delay: 1000
+                    ToolTip.timeout: 5000
+                    ToolTip.visible: hovered
+                }
            }
        }
    }
@@ -229,7 +340,7 @@ CenteredGridView {
        property bool segueToStream : false
        property string nextAppName: ""
        property int nextAppIndex: 0
-        text:"Are you sure you want to quit " + appName +"? Any unsaved progress will be lost."
+        text:qsTr("Are you sure you want to quit %1? Any unsaved progress will be lost.").arg(appName)
        standardButtons: Dialog.Yes | Dialog.No

        function quitApp() {
@@ -255,18 +366,5 @@ CenteredGridView {
        onAccepted: quitApp()
    }

-    ScrollBar.vertical: ScrollBar {
-        // Manually hide the scrollbar to prevent it from being drawn on top
-        // of the StreamSegue during the transition. It can sometimes get stuck
-        // there since we're not consistently pumping the event loop while
-        // starting the stream.
-        visible: activated
-
-        parent: appGrid.parent
-        anchors {
-            top: parent.top
-            right: parent.right
-            bottom: parent.bottom
-        }
-    }
+    ScrollBar.vertical: ScrollBar {}
 }
@@ -1,11 +1,15 @@
 import QtQuick 2.9
 import QtQuick.Controls 2.2

+import SdlGamepadKeyNavigation 1.0
+
 // https://stackoverflow.com/questions/45029968/how-do-i-set-the-combobox-width-to-fit-the-largest-item
 ComboBox {
    property int textWidth
+    property int desiredWidth : leftPadding + textWidth + indicator.width + rightPadding
+    property int maximumWidth : parent.width

-    implicitWidth: leftPadding + textWidth + indicator.width + rightPadding
+    implicitWidth: desiredWidth < maximumWidth ? desiredWidth : maximumWidth

    TextMetrics {
        id: popupMetrics
@@ -15,9 +19,7 @@ ComboBox {
        id: textMetrics
    }

-    // We call this every time the options change (and init)
-    // so we can adjust the combo box width here too
-    onActivated: {
+    function recalculateWidth() {
        textMetrics.font = font
        popupMetrics.font = popup.font
        textWidth = 0
@@ -28,4 +30,17 @@ ComboBox {
            textWidth = Math.max(popupMetrics.width, textWidth)
        }
    }
+
+    // We call this every time the options change (and init)
+    // so we can adjust the combo box width here too
+    onActivated: recalculateWidth()
+
+    popup.onAboutToShow: {
+        // Switch to normal navigation for combo boxes
+        SdlGamepadKeyNavigation.setUiNavMode(false)
+    }
+
+    popup.onAboutToHide: {
+        SdlGamepadKeyNavigation.setUiNavMode(true)
+    }
 }
@@ -38,4 +38,6 @@ GridView {

        updateMargins()
    }
+
+    boundsBehavior: Flickable.OvershootBounds
 }
@@ -6,11 +6,11 @@ import Session 1.0

 Item {
    function onSearchingComputer() {
-        stageLabel.text = "Establishing connection to PC..."
+        stageLabel.text = qsTr("Establishing connection to PC...")
    }

    function onQuittingApp() {
-        stageLabel.text = "Quitting app..."
+        stageLabel.text = qsTr("Quitting app...")
    }

    function onFailure(message) {
@@ -2,14 +2,15 @@ import QtQuick 2.0
 import QtQuick.Controls 2.2

 import ComputerManager 1.0
+import SdlGamepadKeyNavigation 1.0

 Item {
    function onSearchingComputer() {
-        stageLabel.text = "Establishing connection to PC..."
+        stageLabel.text = qsTr("Establishing connection to PC...")
    }

    function onSearchingApp() {
-        stageLabel.text = "Loading app list..."
+        stageLabel.text = qsTr("Loading app list...")
    }

    function onSessionCreated(appName, session) {
@@ -35,6 +36,11 @@ Item {
    StackView.onActivated: {
        if (!launcher.isExecuted()) {
            toolBar.visible = false
+
+            // Normally this is enabled by PcView, but we will won't
+            // load PcView when streaming from the command-line.
+            SdlGamepadKeyNavigation.enable()
+
            launcher.searchingComputer.connect(onSearchingComputer)
            launcher.searchingApp.connect(onSearchingApp)
            launcher.sessionCreated.connect(onSessionCreated)
@@ -72,7 +78,7 @@ Item {

    NavigableMessageDialog {
        id: quitAppDialog
-        text:"Are you sure you want to quit " + appName +"? Any unsaved progress will be lost."
+        text:qsTr("Are you sure you want to quit %1? Any unsaved progress will be lost.").arg(appName)
        standardButtons: Dialog.Yes | Dialog.No
        property string appName : ""

@@ -1,5 +1,5 @@
 import QtQuick 2.0

 Item {
-    objectName: "Gamepad Mapping"
+    objectName: qsTr("Gamepad Mapping")
 }
@@ -2,7 +2,8 @@ import QtQuick 2.0
 import QtQuick.Controls 2.2

 Dialog {
-    parent: overlay
+    // We should use Overlay.overlay here but that's not available in Qt 5.9 :(
+    parent: ApplicationWindow.contentItem

    x: Math.round((parent.width - width) / 2)
    y: Math.round((parent.height - height) / 2)
@@ -21,4 +21,7 @@ ItemDelegate {
    Keys.onReturnPressed: {
        clicked()
    }
+    Keys.onEnterPressed: {
+        clicked()
+    }
 }
@@ -3,6 +3,13 @@ import QtQuick.Controls 2.2

 Menu {
    onOpened: {
-        itemAt(0).forceActiveFocus(Qt.TabFocusReason)
+        // Give focus to the first visible and enabled menu item
+        for (var i = 0; i < count; i++) {
+            var item = itemAt(i)
+            if (item.visible && item.enabled) {
+                item.forceActiveFocus(Qt.TabFocusReason)
+                break
+            }
+        }
    }
 }
@@ -22,6 +22,10 @@ MenuItem {
        triggered()
    }

+    Keys.onEnterPressed: {
+        triggered()
+    }
+
    Keys.onEscapePressed: {
        parentMenu.close()
    }
@@ -6,6 +6,8 @@ NavigableDialog {
    id: dialog

    property alias text: dialogLabel.dialogText
+    property alias showSpinner: dialogSpinner.visible
+    property alias imageSrc: dialogImage.source

    property string helpText
    property string helpUrl : "https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting"
@@ -19,7 +21,13 @@ NavigableDialog {
    RowLayout {
        spacing: 10

+        BusyIndicator {
+            id: dialogSpinner
+            visible: false
+        }
+
        Image {
+            id: dialogImage
            source: (standardButtons & Dialog.Yes) ?
                        "qrc:/res/baseline-help_outline-24px.svg" :
                        "qrc:/res/baseline-error_outline-24px.svg"
@@ -28,6 +36,7 @@ NavigableDialog {
                width: 50
                height: 50
            }
+            visible: !showSpinner
        }

        Label {
@@ -47,6 +56,10 @@ NavigableDialog {
                accept()
            }

+            Keys.onEnterPressed: {
+                accept()
+            }
+
            Keys.onEscapePressed: {
                reject()
            }
@@ -2,12 +2,35 @@ import QtQuick 2.0
 import QtQuick.Controls 2.2

 ToolButton {
+    property string iconSource
+
    activeFocusOnTab: true

+    // FIXME: We're using an Image here rather than icon.source because
+    // icons don't work on Qt 5.9 LTS.
+    Image {
+        id: image
+        source: iconSource
+        anchors.centerIn: parent.background
+        sourceSize {
+            width: parent.background.width * 1.10
+            height: parent.background.height * 1.10
+        }
+    }
+
+    // This determines the size of the Material highlight. We increase it
+    // from the default because we use larger than normal icons for TV readability.
+    background.width: (parent.height - parent.anchors.bottomMargin - parent.anchors.topMargin) * 0.60
+    background.height: (parent.height - parent.anchors.bottomMargin - parent.anchors.topMargin) * 0.60
+
    Keys.onReturnPressed: {
        clicked()
    }

+    Keys.onEnterPressed: {
+        clicked()
+    }
+
    Keys.onRightPressed: {
        nextItemInFocusChain(true).forceActiveFocus(Qt.TabFocus)
    }
@@ -1,10 +1,12 @@
 import QtQuick 2.9
 import QtQuick.Controls 2.2
+import QtQuick.Layouts 1.3

 import ComputerModel 1.0

 import ComputerManager 1.0
 import StreamingPreferences 1.0
+import SdlGamepadKeyNavigation 1.0

 CenteredGridView {
    property ComputerModel computerModel : createModel()
@@ -14,8 +16,8 @@ CenteredGridView {
    activeFocusOnTab: true
    topMargin: 20
    bottomMargin: 5
-    cellWidth: 310; cellHeight: 350;
-    objectName: "Computers"
+    cellWidth: 310; cellHeight: 330;
+    objectName: qsTr("Computers")

    Component.onCompleted: {
        // Don't show any highlighted item until interacting with them.
@@ -24,9 +26,22 @@ CenteredGridView {
        currentIndex = -1
    }

+    // Note: Any initialization done here that is critical for streaming must
+    // also be done in CliStartStreamSegue.qml, since this code does not run
+    // for command-line initiated streams.
    StackView.onActivated: {
        // Setup signals on CM
        ComputerManager.computerAddCompleted.connect(addComplete)
+
+        // This is a bit of a hack to do this here as opposed to main.qml, but
+        // we need it enabled before calling getConnectedGamepads() and PcView
+        // is never destroyed, so it should be okay.
+        SdlGamepadKeyNavigation.enable()
+
+        // Highlight the first item if a gamepad is connected
+        if (currentIndex == -1 && SdlGamepadKeyNavigation.getConnectedGamepads() > 0) {
+            currentIndex = 0
+        }
    }

    StackView.onDeactivating: {
@@ -46,11 +61,18 @@ CenteredGridView {
        }
    }

-    function addComplete(success)
+    function addComplete(success, detectedPortBlocking)
    {
        if (!success) {
-            errorDialog.text = "Unable to connect to the specified PC."
-            errorDialog.helpText = "Click the Help button for possible solutions."
+            errorDialog.text = qsTr("Unable to connect to the specified PC.")
+
+            if (detectedPortBlocking) {
+                errorDialog.text += "\n\n" + qsTr("This PC's Internet connection is blocking Moonlight. Streaming over the Internet may not work while connected to this network.")
+            }
+            else {
+                errorDialog.helpText = qsTr("Click the Help button for possible solutions.")
+            }
+
            errorDialog.open()
        }
    }
@@ -60,6 +82,7 @@ CenteredGridView {
        var model = Qt.createQmlObject('import ComputerModel 1.0; ComputerModel {}', parent, '')
        model.initialize(ComputerManager)
        model.pairingCompleted.connect(pairingComplete)
+        model.connectionTestCompleted.connect(testConnectionDialog.connectionTestComplete)
        return model
    }

@@ -76,8 +99,8 @@ CenteredGridView {
        Label {
            height: searchSpinner.height
            elide: Label.ElideRight
-            text: StreamingPreferences.enableMdns ? "Searching for PCs with NVIDIA GameStream enabled..."
-                                                  : "Automatic PC discovery is disabled. Add your PC manually."
+            text: StreamingPreferences.enableMdns ? qsTr("Searching for PCs on your local network with NVIDIA GameStream enabled...")
+                                                  : qsTr("Automatic PC discovery is disabled. Add your PC manually.")
            font.pointSize: 20
            verticalAlignment: Text.AlignVCenter
            wrapMode: Text.Wrap
@@ -87,13 +110,15 @@ CenteredGridView {
    model: computerModel

    delegate: NavigableItemDelegate {
-        width: 300; height: 300;
+        width: 300; height: 320;
        grid: pcGrid

+        property alias pcContextMenu : pcContextMenuLoader.item
+
        Image {
            id: pcIcon
            anchors.horizontalCenter: parent.horizontalCenter
-            source: "qrc:/res/ic_tv_white_48px.svg"
+            source: "qrc:/res/desktop_windows-48px.svg"
            sourceSize {
                width: 200
                height: 200
@@ -105,7 +130,7 @@ CenteredGridView {
            id: stateIcon
            anchors.horizontalCenter: pcIcon.horizontalCenter
            anchors.verticalCenter: pcIcon.verticalCenter
-            anchors.verticalCenterOffset: -10
+            anchors.verticalCenterOffset: -15
            visible: !model.statusUnknown && (!model.online || !model.paired)
            source: !model.online ? "qrc:/res/baseline-warning-24px.svg" : "qrc:/res/baseline-lock-24px.svg"
            sourceSize {
@@ -118,7 +143,7 @@ CenteredGridView {
            id: statusUnknownSpinner
            anchors.horizontalCenter: pcIcon.horizontalCenter
            anchors.verticalCenter: pcIcon.verticalCenter
-            anchors.verticalCenterOffset: -10
+            anchors.verticalCenterOffset: -15
            width: 75
            height: 75
            visible: model.statusUnknown
@@ -130,33 +155,77 @@ CenteredGridView {

            width: parent.width
            anchors.top: pcIcon.bottom
+            anchors.bottom: parent.bottom
            font.pointSize: 36
            horizontalAlignment: Text.AlignHCenter
            wrapMode: Text.Wrap
+            elide: Text.ElideRight
        }

-        NavigableMenu {
-            id: pcContextMenu
-            NavigableMenuItem {
-                parentMenu: pcContextMenu
-                text: "Delete PC"
-                onTriggered: {
-                    deletePcDialog.pcIndex = index
-                    // get confirmation first, actual closing is called from the dialog
-                    deletePcDialog.open()
+        Loader {
+            id: pcContextMenuLoader
+            asynchronous: true
+            sourceComponent: NavigableMenu {
+                id: pcContextMenu
+                MenuItem {
+                    text: qsTr("PC Status: %1").arg(model.online ? qsTr("Online") : qsTr("Offline"))
+                    font.bold: true
+                    enabled: false
+                }
+                NavigableMenuItem {
+                    parentMenu: pcContextMenu
+                    text: qsTr("View All Apps")
+                    onTriggered: {
+                        var component = Qt.createComponent("AppView.qml")
+                        var appView = component.createObject(stackView, {"computerIndex": index, "objectName": model.name, "showHiddenGames": true})
+                        stackView.push(appView)
+                    }
+                    visible: model.online && model.paired
+                }
+                NavigableMenuItem {
+                    parentMenu: pcContextMenu
+                    text: qsTr("Wake PC")
+                    onTriggered: computerModel.wakeComputer(index)
+                    visible: !model.online && model.wakeable
+                }
+                NavigableMenuItem {
+                    parentMenu: pcContextMenu
+                    text: qsTr("Test Network")
+                    onTriggered: {
+                        computerModel.testConnectionForComputer(index)
+                        testConnectionDialog.open()
+                    }
+                }
+
+                NavigableMenuItem {
+                    parentMenu: pcContextMenu
+                    text: qsTr("Rename PC")
+                    onTriggered: {
+                        renamePcDialog.pcIndex = index
+                        renamePcDialog.originalName = model.name
+                        renamePcDialog.open()
+                    }
+                }
+                NavigableMenuItem {
+                    parentMenu: pcContextMenu
+                    text: qsTr("Delete PC")
+                    onTriggered: {
+                        deletePcDialog.pcIndex = index
+                        // get confirmation first, actual closing is called from the dialog
+                        deletePcDialog.open()
+                    }
                }
-            }
-            NavigableMenuItem {
-                parentMenu: pcContextMenu
-                text: "Wake PC"
-                onTriggered: computerModel.wakeComputer(index)
-                visible: !model.online && model.wakeable
            }
        }

        onClicked: {
            if (model.online) {
-                if (model.paired) {
+                if (!model.serverSupported) {
+                    errorDialog.text = qsTr("The version of GeForce Experience on %1 is not supported by this build of Moonlight. You must update Moonlight to stream from %1.").arg(model.name)
+                    errorDialog.helpText = ""
+                    errorDialog.open()
+                }
+                else if (model.paired) {
                    // go to game view
                    var component = Qt.createComponent("AppView.qml")
                    var appView = component.createObject(stackView, {"computerIndex": index, "objectName": model.name})
@@ -164,7 +233,7 @@ CenteredGridView {
                }
                else {
                    if (!model.busy) {
-                        var pin = ("0000" + Math.floor(Math.random() * 10000)).slice(-4)
+                        var pin = computerModel.generatePinString()

                        // Kick off pairing in the background
                        computerModel.pairComputer(index, pin)
@@ -175,7 +244,7 @@ CenteredGridView {
                    }
                    else {
                        // cannot pair while something is streaming or attempting to pair
-                        errorDialog.text = "You cannot pair while a previous session is still running on the host PC. Quit any running games or reboot the host PC, then try pairing again."
+                        errorDialog.text = qsTr("You cannot pair while a previous session is still running on the host PC. Quit any running games or reboot the host PC, then try pairing again.")
                        errorDialog.helpText = ""
                        errorDialog.open()
                    }
@@ -222,9 +291,15 @@ CenteredGridView {

    NavigableMessageDialog {
        id: pairDialog
+
+        // Pairing dialog must be modal to prevent double-clicks from triggering
+        // pairing twice
+        modal: true
+        closePolicy: Popup.CloseOnEscape
+
        // don't allow edits to the rest of the window while open
        property string pin : "0000"
-        text:"Please enter " + pin + " on your GameStream PC. This dialog will close when pairing is completed."
+        text:qsTr("Please enter %1 on your GameStream PC. This dialog will close when pairing is completed.").arg(pin)
        standardButtons: Dialog.Cancel
        onRejected: {
            // FIXME: We should interrupt pairing here
@@ -235,7 +310,7 @@ CenteredGridView {
        id: deletePcDialog
        // don't allow edits to the rest of the window while open
        property int pcIndex : -1;
-        text:"Are you sure you want to remove this PC?"
+        text:qsTr("Are you sure you want to remove this PC?")
        standardButtons: Dialog.Yes | Dialog.No

        function deletePc() {
@@ -246,12 +321,82 @@ CenteredGridView {
        onAccepted: deletePc()
    }

-    ScrollBar.vertical: ScrollBar {
-        parent: pcGrid.parent
-        anchors {
-            top: parent.top
-            right: parent.right
-            bottom: parent.bottom
+    NavigableMessageDialog {
+        id: testConnectionDialog
+        closePolicy: Popup.CloseOnEscape
+        standardButtons: Dialog.Ok
+
+        onAboutToShow: {
+            testConnectionDialog.text = qsTr("Moonlight is testing your network connection to determine if NVIDIA GameStream is blocked.") + "\n\n" + qsTr("This may take a few seconds…")
+            showSpinner = true
+        }
+
+        function connectionTestComplete(result, blockedPorts)
+        {
+            if (result === -1) {
+                text = qsTr("The network test could not be performed because none of Moonlight's connection testing servers were reachable from this PC. Check your Internet connection or try again later.")
+                imageSrc = "qrc:/res/baseline-warning-24px.svg"
+            }
+            else if (result === 0) {
+                text = qsTr("This network does not appear to be blocking Moonlight. If you still have trouble connecting, check your PC's firewall settings.") + "\n\n" + qsTr("If you are trying to stream over the Internet, install the Moonlight Internet Hosting Tool on your gaming PC and run the included Internet Streaming Tester to check your gaming PC's Internet connection.")
+                imageSrc = "qrc:/res/baseline-check_circle_outline-24px.svg"
+            }
+            else {
+                text = qsTr("Your PC's current network connection seems to be blocking Moonlight. Streaming over the Internet may not work while connected to this network.") + "\n\n" + qsTr("The following network ports were blocked:") + "\n"
+                text += blockedPorts
+                imageSrc = "qrc:/res/baseline-error_outline-24px.svg"
+            }
+
+            // Stop showing the spinner and show the image instead
+            showSpinner = false
        }
    }
+
+    NavigableDialog {
+        id: renamePcDialog
+        property string label: qsTr("Enter the new name for this PC:")
+        property string originalName
+        property int pcIndex : -1;
+
+        standardButtons: Dialog.Ok | Dialog.Cancel
+
+        onOpened: {
+            // Force keyboard focus on the textbox so keyboard navigation works
+            editText.forceActiveFocus()
+        }
+
+        onClosed: {
+            editText.clear()
+        }
+
+        onAccepted: {
+            if (editText.text) {
+                computerModel.renameComputer(pcIndex, editText.text)
+            }
+        }
+
+        ColumnLayout {
+            Label {
+                text: renamePcDialog.label
+                font.bold: true
+            }
+
+            TextField {
+                id: editText
+                placeholderText: renamePcDialog.originalName
+                Layout.fillWidth: true
+                focus: true
+
+                Keys.onReturnPressed: {
+                    renamePcDialog.accept()
+                }
+
+                Keys.onEnterPressed: {
+                    renamePcDialog.accept()
+                }
+            }
+        }
+    }
+
+    ScrollBar.vertical: ScrollBar {}
 }
@@ -9,7 +9,7 @@ Item {
    property Session nextSession : null
    property string nextAppName : ""

-    property string stageText : "Quitting " + appName + "..."
+    property string stageText : qsTr("Quitting %1...").arg(appName)

    function quitAppCompleted(error)
    {
@@ -8,19 +8,25 @@ import Session 1.0
 Item {
    property Session session
    property string appName
-    property string stageText : "Starting " + appName + "..."
+    property string stageText : isResume ? qsTr("Resuming %1...").arg(appName) :
+                                           qsTr("Starting %1...").arg(appName)
+    property bool isResume : false
    property bool quitAfter : false

    function stageStarting(stage)
    {
        // Update the spinner text
-        stageText = "Starting " + stage + "..."
+        stageText = qsTr("Starting %1...").arg(stage)
    }

-    function stageFailed(stage, errorCode)
+    function stageFailed(stage, errorCode, failingPorts)
    {
        // Display the error dialog after Session::exec() returns
-        errorDialog.text = "Starting " + stage + " failed: Error " + errorCode
+        streamSegueErrorDialog.text = qsTr("Starting %1 failed: Error %2").arg(stage).arg(errorCode)
+
+        if (failingPorts) {
+            streamSegueErrorDialog.text += "\n\n" + qsTr("Check your firewall and port forwarding rules for port(s): %1").arg(failingPorts)
+        }
    }

    function connectionStarted()
@@ -38,7 +44,7 @@ Item {
    function displayLaunchError(text)
    {
        // Display the error dialog after Session::exec() returns
-        errorDialog.text = text
+        streamSegueErrorDialog.text = text
    }

    function displayLaunchWarning(text)
@@ -62,15 +68,20 @@ Item {
        window.visible = true
    }

-    function sessionFinished()
+    function sessionFinished(portTestResult)
    {
+        if (portTestResult !== 0 && portTestResult !== -1 && streamSegueErrorDialog.text) {
+            streamSegueErrorDialog.text += "\n\n" + qsTr("This PC's Internet connection is blocking Moonlight. Streaming over the Internet may not work while connected to this network.")
+        }
+
        // Enable GUI gamepad usage now
        SdlGamepadKeyNavigation.enable()

        if (quitAfter) {
-            if (errorDialog.text) {
+            if (streamSegueErrorDialog.text) {
                // Quit when the error dialog is acknowledged
-                errorDialog.open()
+                streamSegueErrorDialog.quitAfter = quitAfter
+                streamSegueErrorDialog.open()
            }
            else {
                // Quit immediately
@@ -87,10 +98,16 @@ Item {
            // the Qt UI is visible again to prevent losing
            // focus on the dialog which would impact gamepad
            // users.
-            if (errorDialog.text) {
-                errorDialog.open()
+            if (streamSegueErrorDialog.text) {
+                streamSegueErrorDialog.quitAfter = quitAfter
+                streamSegueErrorDialog.open()
            }
        }
+
+        // Garbage collect the Session object since it's pretty heavyweight
+        // and keeps other libraries (like SDL_TTF) around until it is deleted.
+        session = null
+        gc()
    }

    StackView.onDeactivating: {
@@ -115,9 +132,22 @@ Item {
        session.sessionFinished.connect(sessionFinished)

        // Kick off the stream
+        spinnerTimer.start()
        streamLoader.active = true
    }

+    Timer {
+        id: spinnerTimer
+
+        // Display the spinner appearance a bit to allow us to reach
+        // the code in Session.exec() that pumps the event loop.
+        // If we display it immediately, it will briefly hang in the
+        // middle of the animation on Windows, which looks very
+        // obviously broken.
+        interval: 100
+        onTriggered: stageSpinner.running = true
+    }
+
    Loader {
        id: streamLoader
        active: false
@@ -128,13 +158,17 @@ Item {
            // in the hintText control itself to synchronize
            // with Session.exec() which requires no concurrent
            // gamepad usage.
-            hintText.text = SdlGamepadKeyNavigation.getConnectedGamepads() > 0 ?
-                      "Tip: Press Start+Select+L1+R1 to disconnect your session" :
-                      "Tip: Press Ctrl+Alt+Shift+Q to disconnect your session"
+            hintText.text = qsTr("Tip:") + " " + qsTr("Press %1 to disconnect your session").arg(SdlGamepadKeyNavigation.getConnectedGamepads() > 0 ?
+                                                  qsTr("Start+Select+L1+R1") : qsTr("Ctrl+Alt+Shift+Q"))

            // Stop GUI gamepad usage now
            SdlGamepadKeyNavigation.disable()

+            // Garbage collect QML stuff before we start streaming,
+            // since we'll probably be streaming for a while and we
+            // won't be able to GC during the stream.
+            gc()
+
            // Run the streaming session to completion
            session.exec(Screen.virtualX, Screen.virtualY)
        }
@@ -148,6 +182,7 @@ Item {

        BusyIndicator {
            id: stageSpinner
+            running: false
        }

        Label {
@@ -171,14 +206,4 @@ Item {

        wrapMode: Text.Wrap
    }
-
-    ErrorMessageDialog {
-        id: errorDialog
-
-        onClosed: {
-            if (quitAfter) {
-                Qt.quit()
-            }
-        }
-    }
 }
@@ -7,7 +7,7 @@ AppModel::AppModel(QObject *parent)
            this, &AppModel::handleBoxArtLoaded);
 }

-void AppModel::initialize(ComputerManager* computerManager, int computerIndex)
+void AppModel::initialize(ComputerManager* computerManager, int computerIndex, bool showHiddenGames)
 {
    m_ComputerManager = computerManager;
    connect(m_ComputerManager, &ComputerManager::computerStateChanged,
@@ -15,29 +15,23 @@ void AppModel::initialize(ComputerManager* computerManager, int computerIndex)

    Q_ASSERT(computerIndex < m_ComputerManager->getComputers().count());
    m_Computer = m_ComputerManager->getComputers().at(computerIndex);
-    m_Apps = m_Computer->appList;
    m_CurrentGameId = m_Computer->currentGameId;
+    m_ShowHiddenGames = showHiddenGames;
+
+    updateAppList(m_Computer->appList);
 }

-int AppModel::getRunningAppIndex()
+int AppModel::getRunningAppId()
 {
-    if (m_CurrentGameId != 0) {
-        for (int i = 0; i < m_Apps.count(); i++) {
-            if (m_Apps[i].id == m_CurrentGameId) {
-                return i;
-            }
-        }
-    }
-
-    return -1;
+    return m_CurrentGameId;
 }

 QString AppModel::getRunningAppName()
 {
    if (m_CurrentGameId != 0) {
-        for (int i = 0; i < m_Apps.count(); i++) {
-            if (m_Apps[i].id == m_CurrentGameId) {
-                return m_Apps[i].name;
+        for (int i = 0; i < m_AllApps.count(); i++) {
+            if (m_AllApps[i].id == m_CurrentGameId) {
+                return m_AllApps[i].name;
            }
        }
    }
@@ -47,12 +41,23 @@ QString AppModel::getRunningAppName()

 Session* AppModel::createSessionForApp(int appIndex)
 {
-    Q_ASSERT(appIndex < m_Apps.count());
-    NvApp app = m_Apps.at(appIndex);
+    Q_ASSERT(appIndex < m_VisibleApps.count());
+    NvApp app = m_VisibleApps.at(appIndex);

    return new Session(m_Computer, app);
 }

+int AppModel::getDirectLaunchAppIndex()
+{
+    for (int i = 0; i < m_VisibleApps.count(); i++) {
+        if (m_VisibleApps[i].directLaunch) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
 int AppModel::rowCount(const QModelIndex &parent) const
 {
    // For list models only the root node (an invalid parent) should return the list's size. For all
@@ -60,7 +65,7 @@ int AppModel::rowCount(const QModelIndex &parent) const
    if (parent.isValid())
        return 0;

-    return m_Apps.count();
+    return m_VisibleApps.count();
 }

 QVariant AppModel::data(const QModelIndex &index, int role) const
@@ -68,8 +73,8 @@ QVariant AppModel::data(const QModelIndex &index, int role) const
    if (!index.isValid())
        return QVariant();

-    Q_ASSERT(index.row() < m_Apps.count());
-    NvApp app = m_Apps.at(index.row());
+    Q_ASSERT(index.row() < m_VisibleApps.count());
+    NvApp app = m_VisibleApps.at(index.row());

    switch (role)
    {
@@ -80,6 +85,14 @@ QVariant AppModel::data(const QModelIndex &index, int role) const
    case BoxArtRole:
        // FIXME: const-correctness
        return const_cast<BoxArtManager&>(m_BoxArtManager).loadBoxArt(m_Computer, app);
+    case HiddenRole:
+        return app.hidden;
+    case AppIdRole:
+        return app.id;
+    case DirectLaunchRole:
+        return app.directLaunch;
+    case AppCollectorGameRole:
+        return app.isAppCollectorGame;
    default:
        return QVariant();
    }
@@ -92,6 +105,10 @@ QHash<int, QByteArray> AppModel::roleNames() const
    names[NameRole] = "name";
    names[RunningRole] = "running";
    names[BoxArtRole] = "boxart";
+    names[HiddenRole] = "hidden";
+    names[AppIdRole] = "appid";
+    names[DirectLaunchRole] = "directLaunch";
+    names[AppCollectorGameRole] = "appCollectorGame";

    return names;
 }
@@ -101,6 +118,138 @@ void AppModel::quitRunningApp()
    m_ComputerManager->quitRunningApp(m_Computer);
 }

+bool AppModel::isAppCurrentlyVisible(const NvApp& app)
+{
+    for (const NvApp& visibleApp : m_VisibleApps) {
+        if (app.id == visibleApp.id) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+QVector<NvApp> AppModel::getVisibleApps(const QVector<NvApp>& appList)
+{
+    QVector<NvApp> visibleApps;
+
+    for (const NvApp& app : appList) {
+        // Don't immediately hide games that were previously visible. This
+        // allows users to easily uncheck the "Hide App" checkbox if they
+        // check it by mistake.
+        if (m_ShowHiddenGames || !app.hidden || isAppCurrentlyVisible(app)) {
+            visibleApps.append(app);
+        }
+    }
+
+    return visibleApps;
+}
+
+void AppModel::updateAppList(QVector<NvApp> newList)
+{
+    m_AllApps = newList;
+
+    QVector<NvApp> newVisibleList = getVisibleApps(newList);
+
+    // Process removals and updates first
+    for (int i = 0; i < m_VisibleApps.count(); i++) {
+        const NvApp& existingApp = m_VisibleApps.at(i);
+
+        bool found = false;
+        for (const NvApp& newApp : newVisibleList) {
+            if (existingApp.id == newApp.id) {
+                // If the data changed, update it in our list
+                if (existingApp != newApp) {
+                    m_VisibleApps.replace(i, newApp);
+                    emit dataChanged(createIndex(i, 0), createIndex(i, 0));
+                }
+
+                found = true;
+                break;
+            }
+        }
+
+        if (!found) {
+            beginRemoveRows(QModelIndex(), i, i);
+            m_VisibleApps.removeAt(i);
+            endRemoveRows();
+            i--;
+        }
+    }
+
+    // Process additions now
+    for (const NvApp& newApp : newVisibleList) {
+        int insertionIndex = m_VisibleApps.size();
+        bool found = false;
+
+        for (int i = 0; i < m_VisibleApps.count(); i++) {
+            const NvApp& existingApp = m_VisibleApps.at(i);
+
+            if (existingApp.id == newApp.id) {
+                found = true;
+                break;
+            }
+            else if (existingApp.name.toLower() > newApp.name.toLower()) {
+                insertionIndex = i;
+                break;
+            }
+        }
+
+        if (!found) {
+            beginInsertRows(QModelIndex(), insertionIndex, insertionIndex);
+            m_VisibleApps.insert(insertionIndex, newApp);
+            endInsertRows();
+        }
+    }
+
+    Q_ASSERT(newVisibleList == m_VisibleApps);
+}
+
+void AppModel::setAppHidden(int appIndex, bool hidden)
+{
+    Q_ASSERT(appIndex < m_VisibleApps.count());
+    int appId = m_VisibleApps.at(appIndex).id;
+
+    {
+        QWriteLocker lock(&m_Computer->lock);
+
+        for (NvApp& app : m_Computer->appList) {
+            if (app.id == appId) {
+                app.hidden = hidden;
+                break;
+            }
+        }
+    }
+
+    m_ComputerManager->clientSideAttributeUpdated(m_Computer);
+}
+
+void AppModel::setAppDirectLaunch(int appIndex, bool directLaunch)
+{
+    Q_ASSERT(appIndex < m_VisibleApps.count());
+    int appId = m_VisibleApps.at(appIndex).id;
+
+    {
+        QWriteLocker lock(&m_Computer->lock);
+
+        for (NvApp& app : m_Computer->appList) {
+            if (directLaunch) {
+                // We must clear direct launch from all other apps
+                // to set it on the new app.
+                app.directLaunch = app.id == appId;
+            }
+            else if (app.id == appId) {
+                // If we're clearing direct launch, we're done once we
+                // find our matching app ID.
+                app.directLaunch = false;
+                break;
+            }
+        }
+    }
+
+    m_ComputerManager->clientSideAttributeUpdated(m_Computer);
+}
+
 void AppModel::handleComputerStateChanged(NvComputer* computer)
 {
    // Ignore updates for computers that aren't ours
@@ -119,20 +268,15 @@ void AppModel::handleComputerStateChanged(NvComputer* computer)
    // First, process additions/removals from the app list. This
    // is required because the new game may now be running, so
    // we can't check that first.
-    if (computer->appList != m_Apps) {
-        // Just reset the whole thing if the list changes
-        beginResetModel();
-        m_Apps = computer->appList;
-        m_CurrentGameId = computer->currentGameId;
-        endResetModel();
-        return;
+    if (computer->appList != m_AllApps) {
+        updateAppList(computer->appList);
    }

    // Finally, process changes to the active app
    if (computer->currentGameId != m_CurrentGameId) {
        // First, invalidate the running state of newly running game
-        for (int i = 0; i < m_Apps.count(); i++) {
-            if (m_Apps[i].id == computer->currentGameId) {
+        for (int i = 0; i < m_VisibleApps.count(); i++) {
+            if (m_VisibleApps[i].id == computer->currentGameId) {
                emit dataChanged(createIndex(i, 0),
                                 createIndex(i, 0),
                                 QVector<int>() << RunningRole);
@@ -142,8 +286,8 @@ void AppModel::handleComputerStateChanged(NvComputer* computer)

        // Next, invalidate the running state of the old game (if it exists)
        if (m_CurrentGameId != 0) {
-            for (int i = 0; i < m_Apps.count(); i++) {
-                if (m_Apps[i].id == m_CurrentGameId) {
+            for (int i = 0; i < m_VisibleApps.count(); i++) {
+                if (m_VisibleApps[i].id == m_CurrentGameId) {
                    emit dataChanged(createIndex(i, 0),
                                     createIndex(i, 0),
                                     QVector<int>() << RunningRole);
@@ -161,7 +305,7 @@ void AppModel::handleBoxArtLoaded(NvComputer* computer, NvApp app, QUrl /* image
 {
    Q_ASSERT(computer == m_Computer);

-    int index = m_Apps.indexOf(app);
+    int index = m_VisibleApps.indexOf(app);

    // Make sure we're not delivering a callback to an app that's already been removed
    if (index >= 0) {
@@ -14,23 +14,33 @@ class AppModel : public QAbstractListModel
    {
        NameRole = Qt::UserRole,
        RunningRole,
-        BoxArtRole
+        BoxArtRole,
+        HiddenRole,
+        AppIdRole,
+        DirectLaunchRole,
+        AppCollectorGameRole,
    };

 public:
    explicit AppModel(QObject *parent = nullptr);

    // Must be called before any QAbstractListModel functions
-    Q_INVOKABLE void initialize(ComputerManager* computerManager, int computerIndex);
+    Q_INVOKABLE void initialize(ComputerManager* computerManager, int computerIndex, bool showHiddenGames);

    Q_INVOKABLE Session* createSessionForApp(int appIndex);

-    Q_INVOKABLE int getRunningAppIndex();
+    Q_INVOKABLE int getDirectLaunchAppIndex();
+
+    Q_INVOKABLE int getRunningAppId();

    Q_INVOKABLE QString getRunningAppName();

    Q_INVOKABLE void quitRunningApp();

+    Q_INVOKABLE void setAppHidden(int appIndex, bool hidden);
+
+    Q_INVOKABLE void setAppDirectLaunch(int appIndex, bool directLaunch);
+
    QVariant data(const QModelIndex &index, int role) const override;

    int rowCount(const QModelIndex &parent) const override;
@@ -46,9 +56,16 @@ signals:
    void computerLost();

 private:
+    void updateAppList(QVector<NvApp> newList);
+
+    QVector<NvApp> getVisibleApps(const QVector<NvApp>& appList);
+
+    bool isAppCurrentlyVisible(const NvApp& app);
+
    NvComputer* m_Computer;
    BoxArtManager m_BoxArtManager;
    ComputerManager* m_ComputerManager;
-    QVector<NvApp> m_Apps;
+    QVector<NvApp> m_VisibleApps, m_AllApps;
    int m_CurrentGameId;
+    bool m_ShowHiddenGames;
 };
@@ -2,6 +2,8 @@

 #include <QThreadPool>

+#include <random>
+
 ComputerModel::ComputerModel(QObject* object)
    : QAbstractListModel(object) {}

@@ -40,6 +42,8 @@ QVariant ComputerModel::data(const QModelIndex& index, int role) const
        return !computer->macAddress.isEmpty();
    case StatusUnknownRole:
        return computer->state == NvComputer::CS_UNKNOWN;
+    case ServerSupportedRole:
+        return computer->isSupportedServerVersion;
    default:
        return QVariant();
    }
@@ -66,6 +70,7 @@ QHash<int, QByteArray> ComputerModel::roleNames() const
    names[BusyRole] = "busy";
    names[WakeableRole] = "wakeable";
    names[StatusUnknownRole] = "statusUnknown";
+    names[ServerSupportedRole] = "serverSupported";

    return names;
 }
@@ -128,6 +133,52 @@ void ComputerModel::wakeComputer(int computerIndex)
    QThreadPool::globalInstance()->start(wakeTask);
 }

+void ComputerModel::renameComputer(int computerIndex, QString name)
+{
+    Q_ASSERT(computerIndex < m_Computers.count());
+
+    m_ComputerManager->renameHost(m_Computers[computerIndex], name);
+}
+
+// TODO: Use QRandomGenerator when we drop Qt 5.9 support
+QString ComputerModel::generatePinString()
+{
+    std::uniform_int_distribution<int> dist(0, 9999);
+    std::random_device rd;
+    std::mt19937 engine(rd());
+
+    return QString::asprintf("%04u", dist(engine));
+}
+
+class DeferredTestConnectionTask : public QObject, public QRunnable
+{
+    Q_OBJECT
+public:
+    void run()
+    {
+        unsigned int portTestResult = LiTestClientConnectivity("qt.conntest.moonlight-stream.org", 443, ML_PORT_FLAG_ALL);
+        if (portTestResult == ML_TEST_RESULT_INCONCLUSIVE) {
+            emit connectionTestCompleted(-1, QString());
+        }
+        else {
+            char blockedPorts[512];
+            LiStringifyPortFlags(portTestResult, "\n", blockedPorts, sizeof(blockedPorts));
+            emit connectionTestCompleted(portTestResult, QString(blockedPorts));
+        }
+    }
+
+signals:
+    void connectionTestCompleted(int result, QString blockedPorts);
+};
+
+void ComputerModel::testConnectionForComputer(int)
+{
+    DeferredTestConnectionTask* testConnectionTask = new DeferredTestConnectionTask();
+    QObject::connect(testConnectionTask, &DeferredTestConnectionTask::connectionTestCompleted,
+                     this, &ComputerModel::connectionTestCompleted);
+    QThreadPool::globalInstance()->start(testConnectionTask);
+}
+
 void ComputerModel::pairComputer(int computerIndex, QString pin)
 {
    Q_ASSERT(computerIndex < m_Computers.count());
@@ -158,3 +209,4 @@ void ComputerModel::handleComputerStateChanged(NvComputer* computer)
    }
 }

+#include "computermodel.moc"
@@ -14,7 +14,8 @@ class ComputerModel : public QAbstractListModel
        PairedRole,
        BusyRole,
        WakeableRole,
-        StatusUnknownRole
+        StatusUnknownRole,
+        ServerSupportedRole
    };

 public:
@@ -31,14 +32,21 @@ public:

    Q_INVOKABLE void deleteComputer(int computerIndex);

+    Q_INVOKABLE QString generatePinString();
+
    Q_INVOKABLE void pairComputer(int computerIndex, QString pin);

+    Q_INVOKABLE void testConnectionForComputer(int computerIndex);
+
    Q_INVOKABLE void wakeComputer(int computerIndex);

+    Q_INVOKABLE void renameComputer(int computerIndex, QString name);
+
    Q_INVOKABLE Session* createSessionForCurrentGame(int computerIndex);

 signals:
    void pairingCompleted(QVariant error);
+    void connectionTestCompleted(int result, QString blockedPorts);

 private slots:
    void handleComputerStateChanged(NvComputer* computer);
@@ -12,15 +12,39 @@ import SdlGamepadKeyNavigation 1.0
 ApplicationWindow {
    property bool pollingActive: false

+    // Set by SettingsView to force the back operation to pop all
+    // pages except the initial view. This is required when doing
+    // a retranslate() because AppView breaks for some reason.
+    property bool clearOnBack: false
+
    id: window
    visible: true
    width: 1280
    height: 600

-    visibility: StreamingPreferences.startWindowed ? "Windowed" : "Maximized"
+    visibility: {
+        if (SystemProperties.hasDesktopEnvironment) {
+            if (StreamingPreferences.uiDisplayMode == StreamingPreferences.UI_WINDOWED) return "Windowed"
+            else if (StreamingPreferences.uiDisplayMode == StreamingPreferences.UI_MAXIMIZED) return "Maximized"
+            else if (StreamingPreferences.uiDisplayMode == StreamingPreferences.UI_FULLSCREEN) return "FullScreen"
+        } else {
+            return "FullScreen"
+        }
+    }
+  
+    // This configures the maximum width of the singleton attached QML ToolTip. If left unconstrained,
+    // it will never insert a line break and just extend on forever.
+    ToolTip.toolTip.contentWidth: ToolTip.toolTip.implicitContentWidth < 400 ? ToolTip.toolTip.implicitContentWidth : 400

-    Component.onCompleted: {
-        SdlGamepadKeyNavigation.enable()
+    function goBack() {
+        if (clearOnBack) {
+            // Pop all items except the first one
+            stackView.pop(null)
+            clearOnBack = false
+        }
+        else {
+            stackView.pop()
+        }
    }

    StackView {
@@ -38,7 +62,7 @@ ApplicationWindow {

        Keys.onEscapePressed: {
            if (depth > 1) {
-                stackView.pop()
+                goBack()
            }
            else {
                quitConfirmationDialog.open()
@@ -47,7 +71,7 @@ ApplicationWindow {

        Keys.onBackPressed: {
            if (depth > 1) {
-                stackView.pop()
+                goBack()
            }
            else {
                quitConfirmationDialog.open()
@@ -138,14 +162,16 @@ ApplicationWindow {
            // onAfterRendering call and potentially reenter this code.
            initialized = true;

-            if (SystemProperties.isRunningWayland) {
-                waylandDialog.open()
-            }
-            else if (SystemProperties.isWow64) {
+            if (SystemProperties.isWow64) {
                wow64Dialog.open()
            }
            else if (!SystemProperties.hasHardwareAcceleration) {
-                noHwDecoderDialog.open()
+                if (SystemProperties.isRunningXWayland) {
+                    xWaylandDialog.open()
+                }
+                else {
+                    noHwDecoderDialog.open()
+                }
            }

            if (SystemProperties.unmappedGamepads) {
@@ -173,63 +199,95 @@ ApplicationWindow {

    header: ToolBar {
        id: toolBar
+        height: 60
        anchors.topMargin: 5
        anchors.bottomMargin: 5

+        Label {
+            id: titleLabel
+            visible: toolBar.width > 700
+            anchors.fill: parent
+            text: stackView.currentItem.objectName
+            font.pointSize: 20
+            elide: Label.ElideRight
+            horizontalAlignment: Qt.AlignHCenter
+            verticalAlignment: Qt.AlignVCenter
+        }
+
        RowLayout {
            spacing: 20
+            anchors.leftMargin: 10
+            anchors.rightMargin: 10
            anchors.fill: parent

            NavigableToolButton {
                // Only make the button visible if the user has navigated somewhere.
                visible: stackView.depth > 1

-                // FIXME: We're using an Image here rather than icon.source because
-                // icons don't work on Qt 5.9 LTS.
-                Image {
-                    source: "qrc:/res/arrow_left.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        // The icon should be square so use the height as the width too
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
+                iconSource: "qrc:/res/arrow_left.svg"

-                onClicked: stackView.pop()
+                onClicked: goBack()

                Keys.onDownPressed: {
                    stackView.currentItem.forceActiveFocus(Qt.TabFocus)
                }
            }

+            // This label will appear when the window gets too small and
+            // we need to ensure the toolbar controls don't collide
            Label {
-                id: titleLabel
-                text: stackView.currentItem.objectName
-                font.pointSize: 15
+                id: titleRowLabel
+                font.pointSize: titleLabel.font.pointSize
                elide: Label.ElideRight
                horizontalAlignment: Qt.AlignHCenter
                verticalAlignment: Qt.AlignVCenter
                Layout.fillWidth: true
+
+                // We need this label to always be visible so it can occupy
+                // the remaining space in the RowLayout. To "hide" it, we
+                // just set the text to empty string.
+                text: !titleLabel.visible ? stackView.currentItem.objectName : ""
+            }
+
+            Label {
+                id: versionLabel
+                visible: stackView.currentItem.objectName === qsTr("Settings")
+                text: qsTr("Version %1").arg(SystemProperties.versionString)
+                font.pointSize: 12
+                horizontalAlignment: Qt.AlignRight
+                verticalAlignment: Qt.AlignVCenter
            }

            NavigableToolButton {
-                id: addPcButton
-                visible: stackView.currentItem.objectName === "Computers"
+                id: discordButton
+                visible: SystemProperties.hasBrowser &&
+                         stackView.currentItem.objectName === qsTr("Settings")

-                Image {
-                    source: "qrc:/res/ic_add_to_queue_white_48px.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
+                iconSource: "qrc:/res/Discord-Logo-White.svg"

                ToolTip.delay: 1000
                ToolTip.timeout: 3000
                ToolTip.visible: hovered
-                ToolTip.text: "Add PC manually" + (newPcShortcut.nativeText ? (" ("+newPcShortcut.nativeText+")") : "")
+                ToolTip.text: qsTr("Join our community on Discord")
+
+                // TODO need to make sure browser is brought to foreground.
+                onClicked: Qt.openUrlExternally("https://moonlight-stream.org/discord");
+
+                Keys.onDownPressed: {
+                    stackView.currentItem.forceActiveFocus(Qt.TabFocus)
+                }
+            }
+
+            NavigableToolButton {
+                id: addPcButton
+                visible: stackView.currentItem.objectName === qsTr("Computers")
+
+                iconSource:  "qrc:/res/ic_add_to_queue_white_48px.svg"
+
+                ToolTip.delay: 1000
+                ToolTip.timeout: 3000
+                ToolTip.visible: hovered
+                ToolTip.text: qsTr("Add PC manually") + (newPcShortcut.nativeText ? (" ("+newPcShortcut.nativeText+")") : "")

                Shortcut {
                    id: newPcShortcut
@@ -251,28 +309,25 @@ ApplicationWindow {

                id: updateButton

-                Image {
-                    source: "qrc:/res/update.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
+                iconSource: "qrc:/res/update.svg"

                ToolTip.delay: 1000
                ToolTip.timeout: 3000
-                ToolTip.visible: hovered
+                ToolTip.visible: hovered || visible

                // Invisible until we get a callback notifying us that
                // an update is available
                visible: false

-                onClicked: Qt.openUrlExternally(browserUrl);
+                onClicked: {
+                    if (SystemProperties.hasBrowser) {
+                        Qt.openUrlExternally(browserUrl);
+                    }
+                }

                function updateAvailable(version, url)
                {
-                    ToolTip.text = "Update available for Moonlight: Version " + version
+                    ToolTip.text = qsTr("Update available for Moonlight: Version %1").arg(version)
                    updateButton.browserUrl = url
                    updateButton.visible = true
                }
@@ -291,19 +346,12 @@ ApplicationWindow {
                id: helpButton
                visible: SystemProperties.hasBrowser

-                Image {
-                    source: "qrc:/res/question_mark.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
+                iconSource: "qrc:/res/question_mark.svg"

                ToolTip.delay: 1000
                ToolTip.timeout: 3000
                ToolTip.visible: hovered
-                ToolTip.text: "Help" + (helpShortcut.nativeText ? (" ("+helpShortcut.nativeText+")") : "")
+                ToolTip.text: qsTr("Help") + (helpShortcut.nativeText ? (" ("+helpShortcut.nativeText+")") : "")

                Shortcut {
                    id: helpShortcut
@@ -326,18 +374,11 @@ ApplicationWindow {
                ToolTip.delay: 1000
                ToolTip.timeout: 3000
                ToolTip.visible: hovered
-                ToolTip.text: "Gamepad Mapper"
+                ToolTip.text: qsTr("Gamepad Mapper")

-                Image {
-                    source: "qrc:/res/ic_videogame_asset_white_48px.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
+                iconSource: "qrc:/res/ic_videogame_asset_white_48px.svg"

-                onClicked: navigateTo("qrc:/gui/GamepadMapper.qml", "Gamepad Mapping")
+                onClicked: navigateTo("qrc:/gui/GamepadMapper.qml", qsTr("Gamepad Mapping"))

                Keys.onDownPressed: {
                    stackView.currentItem.forceActiveFocus(Qt.TabFocus)
@@ -347,16 +388,9 @@ ApplicationWindow {
            NavigableToolButton {
                id: settingsButton

-                Image {
-                    source: "qrc:/res/settings.svg"
-                    anchors.centerIn: parent
-                    sourceSize {
-                        width: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                        height: toolBar.height - toolBar.anchors.bottomMargin - toolBar.anchors.topMargin
-                    }
-                }
+                iconSource:  "qrc:/res/settings.svg"

-                onClicked: navigateTo("qrc:/gui/SettingsView.qml", "Settings")
+                onClicked: navigateTo("qrc:/gui/SettingsView.qml", qsTr("Settings"))

                Keys.onDownPressed: {
                    stackView.currentItem.forceActiveFocus(Qt.TabFocus)
@@ -371,31 +405,31 @@ ApplicationWindow {
                ToolTip.delay: 1000
                ToolTip.timeout: 3000
                ToolTip.visible: hovered
-                ToolTip.text: "Settings" + (settingsShortcut.nativeText ? (" ("+settingsShortcut.nativeText+")") : "")
+                ToolTip.text: qsTr("Settings") + (settingsShortcut.nativeText ? (" ("+settingsShortcut.nativeText+")") : "")
            }
        }
    }

    ErrorMessageDialog {
        id: noHwDecoderDialog
-        text: "No functioning hardware accelerated H.264 video decoder was detected by Moonlight. " +
-              "Your streaming performance may be severely degraded in this configuration."
-        helpText: "Click the Help button for more information on solving this problem."
+        text: qsTr("No functioning hardware accelerated H.264 video decoder was detected by Moonlight. " +
+                   "Your streaming performance may be severely degraded in this configuration.")
+        helpText: qsTr("Click the Help button for more information on solving this problem.")
        helpUrl: "https://github.com/moonlight-stream/moonlight-docs/wiki/Fixing-Hardware-Decoding-Problems"
    }

    ErrorMessageDialog {
-        id: waylandDialog
-        text: "Moonlight does not support hardware acceleration on Wayland. Continuing on Wayland may result in poor streaming performance. " +
-              "Please switch to an X session for optimal performance."
-        helpText: "Click the Help button for more information."
+        id: xWaylandDialog
+        text: qsTr("Hardware acceleration doesn't work on XWayland. Continuing on XWayland may result in poor streaming performance. " +
+                   "Try running with QT_QPA_PLATFORM=wayland or switch to X11.")
+        helpText: qsTr("Click the Help button for more information.")
        helpUrl: "https://github.com/moonlight-stream/moonlight-docs/wiki/Fixing-Hardware-Decoding-Problems"
    }

    NavigableMessageDialog {
        id: wow64Dialog
        standardButtons: Dialog.Ok | Dialog.Cancel
-        text: "This PC is running a 64-bit version of Windows. Please download the x64 version of Moonlight for the best streaming performance."
+        text: qsTr("This version of Moonlight isn't optimized for your PC. Please download the '%1' version of Moonlight for the best streaming performance.").arg(SystemProperties.friendlyNativeArchName)
        onAccepted: {
            Qt.openUrlExternally("https://github.com/moonlight-stream/moonlight-qt/releases");
        }
@@ -404,9 +438,9 @@ ApplicationWindow {
    ErrorMessageDialog {
        id: unmappedGamepadDialog
        property string unmappedGamepads : ""
-        text: "Moonlight detected gamepads without a mapping:\n" + unmappedGamepads
+        text: qsTr("Moonlight detected gamepads without a mapping:") + "\n" + unmappedGamepads
        helpTextSeparator: "\n\n"
-        helpText: "Click the Help button for information on how to map your gamepads."
+        helpText: qsTr("Click the Help button for information on how to map your gamepads.")
        helpUrl: "https://github.com/moonlight-stream/moonlight-docs/wiki/Gamepad-Mapping"
    }

@@ -414,14 +448,37 @@ ApplicationWindow {
    NavigableMessageDialog {
        id: quitConfirmationDialog
        standardButtons: Dialog.Yes | Dialog.No
-        text: "Are you sure you want to quit?"
+        text: qsTr("Are you sure you want to quit?")
        // For keyboard/gamepad navigation
        onAccepted: Qt.quit()
    }

+    // HACK: This belongs in StreamSegue but keeping a dialog around after the parent
+    // dies can trigger bugs in Qt 5.12 that cause the app to crash. For now, we will
+    // host this dialog in a QML component that is never destroyed.
+    //
+    // To repro: Start a stream, cut the network connection to trigger the "Connection
+    // terminated" dialog, wait until the app grid times out back to the PC grid, then
+    // try to dismiss the dialog.
+    ErrorMessageDialog {
+        id: streamSegueErrorDialog
+
+        property bool quitAfter: false
+
+        onClosed: {
+            if (quitAfter) {
+                Qt.quit()
+            }
+
+            // StreamSegue assumes its dialog will be re-created each time we
+            // start streaming, so fake it by wiping out the text each time.
+            text = ""
+        }
+    }
+
    NavigableDialog {
        id: addPcDialog
-        property string label: "Enter the IP address of your GameStream PC:"
+        property string label: qsTr("Enter the IP address of your GameStream PC:")

        standardButtons: Dialog.Ok | Dialog.Cancel

@@ -430,9 +487,13 @@ ApplicationWindow {
            editText.forceActiveFocus()
        }

+        onClosed: {
+            editText.clear()
+        }
+
        onAccepted: {
            if (editText.text) {
-                ComputerManager.addNewHost(editText.text, false)
+                ComputerManager.addNewHost(editText.text.trim(), false)
            }
        }

@@ -450,6 +511,10 @@ ApplicationWindow {
                Keys.onReturnPressed: {
                    addPcDialog.accept()
                }
+
+                Keys.onEnterPressed: {
+                    addPcDialog.accept()
+                }
            }
        }
    }
@@ -4,17 +4,18 @@
 #include <QGuiApplication>
 #include <QWindow>

+#include "settings/streamingpreferences.h"
 #include "settings/mappingmanager.h"

 #define AXIS_NAVIGATION_REPEAT_DELAY 150

 SdlGamepadKeyNavigation::SdlGamepadKeyNavigation()
    : m_Enabled(false),
-      m_SettingsMode(false),
+      m_UiNavMode(false),
      m_LastAxisNavigationEventTime(0)
 {
    m_PollingTimer = new QTimer(this);
-    connect(m_PollingTimer, SIGNAL(timeout()), this, SLOT(onPollingTimerFired()));
+    connect(m_PollingTimer, &QTimer::timeout, this, &SdlGamepadKeyNavigation::onPollingTimerFired);
 }

 SdlGamepadKeyNavigation::~SdlGamepadKeyNavigation()
@@ -88,6 +89,7 @@ void SdlGamepadKeyNavigation::disable()
 void SdlGamepadKeyNavigation::onPollingTimerFired()
 {
    SDL_Event event;
+    StreamingPreferences prefs;

    while (SDL_PollEvent(&event)) {
        switch (event.type) {
@@ -104,9 +106,27 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
                    event.type == SDL_CONTROLLERBUTTONDOWN ?
                        QEvent::Type::KeyPress : QEvent::Type::KeyRelease;

+            // Swap face buttons if needed
+            if (prefs.swapFaceButtons) {
+                switch (event.cbutton.button) {
+                case SDL_CONTROLLER_BUTTON_A:
+                    event.cbutton.button = SDL_CONTROLLER_BUTTON_B;
+                    break;
+                case SDL_CONTROLLER_BUTTON_B:
+                    event.cbutton.button = SDL_CONTROLLER_BUTTON_A;
+                    break;
+                case SDL_CONTROLLER_BUTTON_X:
+                    event.cbutton.button = SDL_CONTROLLER_BUTTON_Y;
+                    break;
+                case SDL_CONTROLLER_BUTTON_Y:
+                    event.cbutton.button = SDL_CONTROLLER_BUTTON_X;
+                    break;
+                }
+            }
+
            switch (event.cbutton.button) {
            case SDL_CONTROLLER_BUTTON_DPAD_UP:
-                if (m_SettingsMode) {
+                if (m_UiNavMode) {
                    // Back-tab
                    sendKey(type, Qt::Key_Tab, Qt::ShiftModifier);
                }
@@ -115,7 +135,7 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
                }
                break;
            case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
-                if (m_SettingsMode) {
+                if (m_UiNavMode) {
                    sendKey(type, Qt::Key_Tab);
                }
                else {
@@ -124,24 +144,12 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
                break;
            case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
                sendKey(type, Qt::Key_Left);
-                if (m_SettingsMode) {
-                    // Some settings controls respond to left/right (like the slider)
-                    // and others respond to up/down (like combo boxes). They seem to
-                    // be mutually exclusive though so let's just send both.
-                    sendKey(type, Qt::Key_Up);
-                }
                break;
            case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
                sendKey(type, Qt::Key_Right);
-                if (m_SettingsMode) {
-                    // Some settings controls respond to left/right (like the slider)
-                    // and others respond to up/down (like combo boxes). They seem to
-                    // be mutually exclusive though so let's just send both.
-                    sendKey(type, Qt::Key_Down);
-                }
                break;
            case SDL_CONTROLLER_BUTTON_A:
-                if (m_SettingsMode) {
+                if (m_UiNavMode) {
                    sendKey(type, Qt::Key_Space);
                }
                else {
@@ -183,7 +191,7 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
            // Do nothing
        }
        else if (leftY < -30000) {
-            if (m_SettingsMode) {
+            if (m_UiNavMode) {
                // Back-tab
                sendKey(QEvent::Type::KeyPress, Qt::Key_Tab, Qt::ShiftModifier);
                sendKey(QEvent::Type::KeyRelease, Qt::Key_Tab, Qt::ShiftModifier);
@@ -196,7 +204,7 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
            m_LastAxisNavigationEventTime = SDL_GetTicks();
        }
        else if (leftY > 30000) {
-            if (m_SettingsMode) {
+            if (m_UiNavMode) {
                sendKey(QEvent::Type::KeyPress, Qt::Key_Tab);
                sendKey(QEvent::Type::KeyRelease, Qt::Key_Tab);
            }
@@ -210,28 +218,37 @@ void SdlGamepadKeyNavigation::onPollingTimerFired()
        else if (leftX < -30000) {
            sendKey(QEvent::Type::KeyPress, Qt::Key_Left);
            sendKey(QEvent::Type::KeyRelease, Qt::Key_Left);
-            if (m_SettingsMode) {
-                // Some settings controls respond to left/right (like the slider)
-                // and others respond to up/down (like combo boxes). They seem to
-                // be mutually exclusive though so let's just send both.
-                sendKey(QEvent::Type::KeyPress, Qt::Key_Up);
-                sendKey(QEvent::Type::KeyRelease, Qt::Key_Up);
-            }
-
            m_LastAxisNavigationEventTime = SDL_GetTicks();
        }
        else if (leftX > 30000) {
            sendKey(QEvent::Type::KeyPress, Qt::Key_Right);
            sendKey(QEvent::Type::KeyRelease, Qt::Key_Right);
-            if (m_SettingsMode) {
-                // Some settings controls respond to left/right (like the slider)
-                // and others respond to up/down (like combo boxes). They seem to
-                // be mutually exclusive though so let's just send both.
-                sendKey(QEvent::Type::KeyPress, Qt::Key_Down);
-                sendKey(QEvent::Type::KeyRelease, Qt::Key_Down);
+            m_LastAxisNavigationEventTime = SDL_GetTicks();
+        }
+
+        // In UI navigation mode (settings page), use the right stick to scroll
+        if (m_UiNavMode) {
+            short rightX = SDL_GameControllerGetAxis(gc, SDL_CONTROLLER_AXIS_RIGHTX);
+            short rightY = SDL_GameControllerGetAxis(gc, SDL_CONTROLLER_AXIS_RIGHTY);
+
+            QPoint wheelDelta;
+            if (rightX > 30000) {
+                wheelDelta.setX(30);
+            }
+            else if (rightX < -30000) {
+                wheelDelta.setX(-30);
            }

-            m_LastAxisNavigationEventTime = SDL_GetTicks();
+            if (rightY > 30000) {
+                wheelDelta.setY(-30);
+            }
+            else if (rightY < -30000) {
+                wheelDelta.setY(30);
+            }
+
+            if (!wheelDelta.isNull()) {
+                sendWheel(wheelDelta);
+            }
        }
    }
 }
@@ -246,9 +263,25 @@ void SdlGamepadKeyNavigation::sendKey(QEvent::Type type, Qt::Key key, Qt::Keyboa
    }
 }

-void SdlGamepadKeyNavigation::setSettingsMode(bool settingsMode)
+void SdlGamepadKeyNavigation::sendWheel(QPoint& angleDelta)
 {
-    m_SettingsMode = settingsMode;
+    QGuiApplication* app = static_cast<QGuiApplication*>(QGuiApplication::instance());
+    QWindow* focusWindow = app->focusWindow();
+    if (focusWindow != nullptr) {
+        QPoint mousePos(focusWindow->width() / 2, focusWindow->height() / 2);
+        QPoint globalPos(focusWindow->mapToGlobal(mousePos));
+#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
+        QWheelEvent wheelEvent(mousePos, globalPos, QPoint(), angleDelta, Qt::NoButton, Qt::NoModifier, Qt::NoScrollPhase, false, Qt::MouseEventSynthesizedByApplication);
+#else
+        QWheelEvent wheelEvent(mousePos, globalPos, QPoint(), angleDelta, angleDelta.y(), Qt::Vertical, Qt::NoButton, Qt::NoModifier, Qt::NoScrollPhase, Qt::MouseEventSynthesizedByApplication, false);
+#endif
+        app->sendEvent(focusWindow, &wheelEvent);
+    }
+}
+
+void SdlGamepadKeyNavigation::setUiNavMode(bool uiNavMode)
+{
+    m_UiNavMode = uiNavMode;
 }

 int SdlGamepadKeyNavigation::getConnectedGamepads()
@@ -18,12 +18,13 @@ public:

    Q_INVOKABLE void disable();

-    Q_INVOKABLE void setSettingsMode(bool settingsMode);
+    Q_INVOKABLE void setUiNavMode(bool settingsMode);

    Q_INVOKABLE int getConnectedGamepads();

 private:
    void sendKey(QEvent::Type type, Qt::Key key, Qt::KeyboardModifiers modifiers = Qt::NoModifier);
+    void sendWheel(QPoint& angleDelta);

 private slots:
    void onPollingTimerFired();
@@ -32,6 +33,6 @@ private:
    QTimer* m_PollingTimer;
    QList<SDL_GameController*> m_Gamepads;
    bool m_Enabled;
-    bool m_SettingsMode;
+    bool m_UiNavMode;
    Uint32 m_LastAxisNavigationEventTime;
 };
@@ -9,6 +9,8 @@
 #include <QPalette>
 #include <QFont>
 #include <QCursor>
+#include <QElapsedTimer>
+#include <QFile>

 // Don't let SDL hook our main function, since Qt is already
 // doing the same thing. This needs to be before any headers
@@ -20,14 +22,17 @@
 #include "streaming/video/ffmpeg.h"
 #endif

-#ifdef Q_OS_WIN32
+#if defined(Q_OS_WIN32) && defined(Q_PROCESSOR_X86)
 #include "antihookingprotection.h"
+#elif defined(Q_OS_LINUX)
+#include <openssl/ssl.h>
 #endif

 #include "cli/quitstream.h"
 #include "cli/startstream.h"
 #include "cli/commandlineparser.h"
 #include "path.h"
+#include "utils.h"
 #include "gui/computermodel.h"
 #include "gui/appmodel.h"
 #include "backend/autoupdatechecker.h"
@@ -52,7 +57,7 @@
 #endif

 #ifdef USE_CUSTOM_LOGGER
-static QTime s_LoggerTime;
+static QElapsedTimer s_LoggerTime;
 static QTextStream s_LoggerStream(stdout);
 static QMutex s_LoggerLock;
 #ifdef LOG_TO_FILE
@@ -71,7 +76,12 @@ void logToLoggerStream(QString& message)
        return;
    }
    else if (s_LogLinesWritten == MAX_LOG_LINES) {
-        s_LoggerStream << "Log size limit reached!" << endl;
+        s_LoggerStream << "Log size limit reached!";
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+        s_LoggerStream << Qt::endl;
+#else
+        s_LoggerStream << endl;
+#endif
        s_LogLimitReached = true;
        return;
    }
@@ -186,7 +196,7 @@ LONG WINAPI UnhandledExceptionHandler(struct _EXCEPTION_POINTERS *ExceptionInfo)
    WCHAR dmpFileName[MAX_PATH];
    swprintf_s(dmpFileName, L"%ls\\Moonlight-%I64u.dmp",
               (PWCHAR)QDir::toNativeSeparators(Path::getLogDir()).utf16(), QDateTime::currentSecsSinceEpoch());
-    QString qDmpFileName = QString::fromUtf16((unsigned short*)dmpFileName);
+    QString qDmpFileName = QString::fromUtf16((const char16_t*)dmpFileName);
    HANDLE dumpHandle = CreateFileW(dmpFileName, GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
    if (dumpHandle != INVALID_HANDLE_VALUE) {
        MINIDUMP_EXCEPTION_INFORMATION info;
@@ -278,22 +288,60 @@ int main(int argc, char *argv[])
    SetUnhandledExceptionFilter(UnhandledExceptionHandler);
 #endif

-#ifdef Q_OS_WIN32
+#if defined(Q_OS_WIN32) && defined(Q_PROCESSOR_X86)
    // Force AntiHooking.dll to be statically imported and loaded
-    // by ntdll by calling a dummy function.
+    // by ntdll on x86/x64 platforms by calling a dummy function.
+    // AntiHooking.dll is not currently built for ARM64.
    AntiHookingDummyImport();
+#elif defined(Q_OS_LINUX)
+    // Force libssl.so to be directly linked to our binary, so
+    // linuxdeployqt can find it and include it in our AppImage.
+    // QtNetwork will pull it in via dlopen().
+    SSL_free(nullptr);
 #endif

-    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    // Avoid using High DPI on EGLFS. It breaks font rendering.
+    // https://bugreports.qt.io/browse/QTBUG-64377
+    //
+    // NB: We can't use QGuiApplication::platformName() here because it is only
+    // set once the QGuiApplication is created, which is too late to enable High DPI :(
+    if (WMUtils::isRunningWindowManager()) {
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+        // Enable High DPI support on Qt 5.x. It is always enabled on Qt 6.0
+        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+        // Enable fractional High DPI scaling on Qt 5.14 and later
+        QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
+    }
+    else {
+#ifndef STEAM_LINK
+        if (!qEnvironmentVariableIsSet("QT_QPA_PLATFORM")) {
+            qInfo() << "Unable to detect Wayland or X11, so EGLFS will be used by default. Set QT_QPA_PLATFORM to override this.";
+            qputenv("QT_QPA_PLATFORM", "eglfs");
+
+            if (!qEnvironmentVariableIsSet("QT_QPA_EGLFS_ALWAYS_SET_MODE")) {
+                qInfo() << "Setting display mode by default. Set QT_QPA_EGLFS_ALWAYS_SET_MODE=0 to override this.";
+
+                // The UI doesn't appear on RetroPie without this option.
+                qputenv("QT_QPA_EGLFS_ALWAYS_SET_MODE", "1");
+            }
+
+            if (!QFile("/dev/dri").exists()) {
+                qWarning() << "Unable to find a KMSDRM display device!";
+                qWarning() << "On the Raspberry Pi, you must enable the 'fake KMS' driver in raspi-config to use Moonlight outside of the GUI environment.";
+            }
+        }
+#endif
+    }

    // This avoids using the default keychain for SSL, which may cause
    // password prompts on macOS.
    qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", "1");

-    // The debug build of ANGLE on Qt 5.12.2 triggers all sorts of asserts
-    // even simply creating an empty Qt Quick window and then trying to close
-    // the program. Avoid using ANGLE for debug builds until the issue is fixed.
-#if defined(Q_OS_WIN32) && !defined(QT_DEBUG)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    if (!qEnvironmentVariableIsSet("QT_OPENGL")) {
        // On Windows, use ANGLE so we don't have to load OpenGL
        // user-mode drivers into our app. OGL drivers (especially Intel)
@@ -302,6 +350,18 @@ int main(int argc, char *argv[])
    }
 #endif

+#if !defined(Q_OS_WIN32) || QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    // Moonlight requires the non-threaded renderer because we depend
+    // on being able to control the render thread by blocking in the
+    // main thread (and pumping events from the main thread when needed).
+    // That doesn't work with the threaded renderer which causes all
+    // sorts of odd behavior depending on the platform.
+    //
+    // NB: Windows defaults to the "windows" non-threaded render loop on
+    // Qt 5 and the threaded render loop on Qt 6.
+    qputenv("QSG_RENDER_LOOP", "basic");
+#endif
+
    // We don't want system proxies to apply to us
    QNetworkProxyFactory::setUseSystemConfiguration(false);

@@ -312,22 +372,55 @@ int main(int argc, char *argv[])
    // Register custom metatypes for use in signals
    qRegisterMetaType<NvApp>("NvApp");

+    SDL_version compileVersion;
+    SDL_VERSION(&compileVersion);
+    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                "Compiled with SDL %d.%d.%d",
+                compileVersion.major, compileVersion.minor, compileVersion.patch);
+
+    SDL_version runtimeVersion;
+    SDL_GetVersion(&runtimeVersion);
+    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                "Running with SDL %d.%d.%d",
+                runtimeVersion.major, runtimeVersion.minor, runtimeVersion.patch);
+
    // Allow the display to sleep by default. We will manually use SDL_DisableScreenSaver()
    // and SDL_EnableScreenSaver() when appropriate. This hint must be set before
    // initializing the SDL video subsystem to have any effect.
    SDL_SetHint(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, "1");

-    // Steam Link requires that we initialize video before creating our
-    // QGuiApplication in order to configure the framebuffer correctly.
-    // It's fine to do on other platforms too, and it can save some time
-    // doing initialization and teardown of the video subsystem after streaming.
-    if (SDL_InitSubSystem(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0) {
+    // For SDL backends that support it, use double buffering instead of triple buffering
+    // to save a frame of latency. This doesn't matter for MMAL or DRM renderers since they
+    // are drawing directly to the screen without involving SDL, but it may matter for other
+    // future KMSDRM platforms that use SDL for rendering.
+    SDL_SetHint(SDL_HINT_VIDEO_DOUBLE_BUFFER, "1");
+
+    // We use MMAL to render on Raspberry Pi, so we do not require DRM master.
+    SDL_SetHint("SDL_KMSDRM_REQUIRE_DRM_MASTER", "0");
+
+    // Use Direct3D 9Ex to avoid a deadlock caused by the D3D device being reset when
+    // the user triggers a UAC prompt. This option controls the software/SDL renderer.
+    // The DXVA2 renderer uses Direct3D 9Ex itself directly.
+    SDL_SetHint("SDL_WINDOWS_USE_D3D9EX", "1");
+
+    if (SDL_InitSubSystem(SDL_INIT_TIMER) != 0) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                     "SDL_InitSubSystem(SDL_INIT_VIDEO | SDL_INIT_TIMER) failed: %s",
+                     "SDL_InitSubSystem(SDL_INIT_TIMER) failed: %s",
                     SDL_GetError());
        return -1;
    }

+#ifdef STEAM_LINK
+    // Steam Link requires that we initialize video before creating our
+    // QGuiApplication in order to configure the framebuffer correctly.
+    if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
+                     SDL_GetError());
+        return -1;
+    }
+#endif
+
    // Use atexit() to ensure SDL_Quit() is called. This avoids
    // racing with object destruction where SDL may be used.
    atexit(SDL_Quit);
@@ -340,8 +433,43 @@ int main(int argc, char *argv[])
    // Disable minimize on focus loss by default. Users seem to want this off by default.
    SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");

+    // SDL 2.0.12 changes the default behavior to use the button label rather than the button
+    // position as most other software does. Set this back to 0 to stay consistent with prior
+    // releases of Moonlight.
+    SDL_SetHint("SDL_GAMECONTROLLER_USE_BUTTON_LABELS", "0");
+
+    // Disable relative mouse scaling to renderer size or logical DPI. We want to send
+    // the mouse motion exactly how it was given to us.
+    SDL_SetHint("SDL_MOUSE_RELATIVE_SCALING", "0");
+
+    // Set our app name for SDL to use with PulseAudio. This matches what we provide
+    // as our app name to libsoundio too.
+    SDL_SetHint("SDL_AUDIO_DEVICE_APP_NAME", "Moonlight");
+
+#ifdef QT_DEBUG
+    // Allow thread naming using exceptions on debug builds. SDL doesn't use SEH
+    // when throwing the exceptions, so we don't enable it for release builds out
+    // of caution.
+    SDL_SetHint(SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING, "0");
+#endif
+
    QGuiApplication app(argc, argv);

+    // Apply the initial translation based on user preference
+    StreamingPreferences prefs;
+    prefs.retranslate();
+
+    // After the QGuiApplication is created, the platform stuff will be initialized
+    // and we can set the SDL video driver to match Qt.
+    if (WMUtils::isRunningWayland() && QGuiApplication::platformName() == "xcb") {
+        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                    "Detected XWayland. This will probably break hardware decoding! Try running with QT_QPA_PLATFORM=wayland or switch to X11.");
+    }
+    else if (QGuiApplication::platformName().startsWith("wayland")) {
+        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Detected Wayland");
+        qputenv("SDL_VIDEODRIVER", "wayland");
+    }
+
 #ifdef STEAM_LINK
    // Qt 5.9 from the Steam Link SDK is not able to load any fonts
    // since the Steam Link doesn't include any of the ones it looks
@@ -356,9 +484,29 @@ int main(int argc, char *argv[])
    // Move the mouse to the bottom right so it's invisible when using
    // gamepad-only navigation.
    QCursor().setPos(0xFFFF, 0xFFFF);
+#elif !SDL_VERSION_ATLEAST(2, 0, 11) && defined(Q_OS_LINUX) && (defined(__arm__) || defined(__aarch64__))
+    if (qgetenv("SDL_VIDEO_GL_DRIVER").isEmpty() && QGuiApplication::platformName() == "eglfs") {
+        // Look for Raspberry Pi GLES libraries. SDL 2.0.10 and earlier needs some help finding
+        // the correct libraries for the KMSDRM backend if not compiled with the RPI backend enabled.
+        if (SDL_LoadObject("libbrcmGLESv2.so") != nullptr) {
+            qputenv("SDL_VIDEO_GL_DRIVER", "libbrcmGLESv2.so");
+        }
+        else if (SDL_LoadObject("/opt/vc/lib/libbrcmGLESv2.so") != nullptr) {
+            qputenv("SDL_VIDEO_GL_DRIVER", "/opt/vc/lib/libbrcmGLESv2.so");
+        }
+    }
 #endif

+#ifndef Q_OS_DARWIN
+    // Set the window icon except on macOS where we want to keep the
+    // modified macOS 11 style rounded corner icon.
    app.setWindowIcon(QIcon(":/res/moonlight.svg"));
+#endif
+
+    // This is necessary to show our icon correctly on Wayland
+    app.setDesktopFileName("com.moonlight_stream.Moonlight.desktop");
+    qputenv("SDL_VIDEO_WAYLAND_WMCLASS", "com.moonlight_stream.Moonlight");
+    qputenv("SDL_VIDEO_X11_WMCLASS", "com.moonlight_stream.Moonlight");

    // Register our C++ types for QML
    qmlRegisterType<ComputerModel>("ComputerModel", 1, 0, "ComputerModel");
@@ -386,10 +534,13 @@ int main(int argc, char *argv[])
                                                      });
    qmlRegisterSingletonType<StreamingPreferences>("StreamingPreferences", 1, 0,
                                                   "StreamingPreferences",
-                                                   [](QQmlEngine*, QJSEngine*) -> QObject* {
-                                                       return new StreamingPreferences();
+                                                   [](QQmlEngine* qmlEngine, QJSEngine*) -> QObject* {
+                                                       return new StreamingPreferences(qmlEngine);
                                                   });

+    // Create the identity manager on the main thread
+    IdentityManager::get();
+
 #ifndef Q_OS_WINRT
    // Use the dense material dark theme by default
    if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_STYLE")) {
@@ -413,9 +564,6 @@ int main(int argc, char *argv[])
    if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_UNIVERSAL_THEME")) {
        qputenv("QT_QUICK_CONTROLS_UNIVERSAL_THEME", "Dark");
    }
-    if (!qEnvironmentVariableIsSet("QT_QUICK_CONTROLS_1_STYLE")) {
-        qputenv("QT_QUICK_CONTROLS_1_STYLE", "Base");
-    }

    QQmlApplicationEngine engine;
    QString initialView;
@@ -454,7 +602,6 @@ int main(int argc, char *argv[])
    engine.load(QUrl(QStringLiteral("qrc:/gui/main.qml")));
    if (engine.rootObjects().isEmpty())
        return -1;
-
    int err = app.exec();

    // Give worker tasks time to properly exit. Fixes PendingQuitTask
@@ -0,0 +1,146 @@
+// This file contains hooks for several functions that allow
+// Qt and SDL to more or less share DRM master ownership.
+//
+// This technique requires Linux v5.8 or later, or for Moonlight
+// to run as root (with CAP_SYS_ADMIN). Prior to Linux v5.8,
+// DRM_IOCTL_DROP_MASTER required CAP_SYS_ADMIN, which prevents
+// our trick from working (without root, that is).
+//
+// The specific kernel change required to run without root is:
+// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=45bc3d26c95a8fc63a7d8668ca9e57ef0883351c
+
+#define _GNU_SOURCE
+
+#include <SDL.h>
+#include <dlfcn.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+// We require SDL 2.0.15+ to hook because it supports sharing
+// the DRM FD with our code. This avoids having multiple DRM FDs
+// in flight at the same time which would significantly complicate
+// the logic here because we'd need to figure out exactly which FD
+// should be the master at any given time. With the position of our
+// hooks, that is definitely not trivial.
+#if SDL_VERSION_ATLEAST(2, 0, 15)
+
+// Qt's DRM master FD grabbed by our hook
+int g_QtDrmMasterFd = -1;
+struct stat64 g_DrmMasterStat;
+
+// The DRM master FD created for SDL
+int g_SdlDrmMasterFd = -1;
+
+// This hook will handle legacy DRM rendering
+int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
+                   uint32_t x, uint32_t y, uint32_t *connectors, int count,
+                   drmModeModeInfoPtr mode)
+{
+    // Grab the first DRM FD that makes it in here. This will be the Qt
+    // EGLFS backend's DRM FD, which we will need later.
+    if (g_QtDrmMasterFd == -1) {
+        g_QtDrmMasterFd = fd;
+        fstat64(g_QtDrmMasterFd, &g_DrmMasterStat);
+        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                    "Captured Qt EGLFS DRM master fd (legacy): %d",
+                    g_QtDrmMasterFd);
+    }
+
+    // Call into the real thing
+    return ((typeof(drmModeSetCrtc)*)dlsym(RTLD_NEXT, "drmModeSetCrtc"))(fd, crtcId, bufferId, x, y, connectors, count, mode);
+}
+
+// This hook will handle atomic DRM rendering
+int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req,
+                        uint32_t flags, void *user_data)
+{
+    // Grab the first DRM FD that makes it in here. This will be the Qt
+    // EGLFS backend's DRM FD, which we will need later.
+    if (g_QtDrmMasterFd == -1) {
+        g_QtDrmMasterFd = fd;
+        fstat64(g_QtDrmMasterFd, &g_DrmMasterStat);
+        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                    "Captured Qt EGLFS DRM master fd (atomic): %d",
+                    g_QtDrmMasterFd);
+    }
+
+    // Call into the real thing
+    return ((typeof(drmModeAtomicCommit)*)dlsym(RTLD_NEXT, "drmModeAtomicCommit"))(fd, req, flags, user_data);
+}
+
+// This hook will handle SDL's open() on the DRM device. We just need to
+// hook this variant of open(), since that's what SDL uses. When we see
+// the open a FD for the same card as the Qt DRM master FD, we'll drop
+// master on the Qt FD to allow the new FD to have master.
+int open(const char *pathname, int flags)
+{
+    // Call the real thing to do the open operation
+    int fd = ((typeof(open)*)dlsym(RTLD_NEXT, "open"))(pathname, flags);
+
+    // If the file was successfully opened and we have a DRM master FD,
+    // check if the FD we just opened is a DRM device.
+    if (fd >= 0 && g_QtDrmMasterFd != -1) {
+        if (strncmp(pathname, "/dev/dri/card", 13) == 0) {
+            // It's a DRM device, but is it _our_ DRM device?
+            struct stat64 fdstat;
+
+            fstat64(fd, &fdstat);
+            if (g_DrmMasterStat.st_dev == fdstat.st_dev &&
+                    g_DrmMasterStat.st_ino == fdstat.st_ino) {
+                // It is our device. Time to do the magic!
+
+                // This code assumes SDL only ever opens a single FD
+                // for a given DRM device.
+                SDL_assert(g_SdlDrmMasterFd == -1);
+
+                // Drop master on Qt's FD so we can pick it up for SDL.
+                if (drmDropMaster(g_QtDrmMasterFd) < 0) {
+                    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                                 "Failed to drop master on Qt DRM FD: %d",
+                                 errno);
+                    // Hope for the best
+                    return fd;
+                }
+
+                // We are not allowed to call drmSetMaster() without CAP_SYS_ADMIN,
+                // but since we just dropped the master, we can become master by
+                // simply creating a new FD. Let's do it.
+                close(fd);
+                fd = ((typeof(open)*)dlsym(RTLD_NEXT, "open"))(pathname, flags);
+                g_SdlDrmMasterFd = fd;
+            }
+        }
+    }
+
+    return fd;
+}
+
+// Our close() hook handles restoring DRM master to the Qt FD
+// after SDL closes its DRM FD.
+int close(int fd)
+{
+    // Call the real thing
+    int ret = ((typeof(close)*)dlsym(RTLD_NEXT, "close"))(fd);
+    if (ret == 0) {
+        // If we just closed the SDL DRM master FD, restore master
+        // to the Qt DRM FD. This works because the Qt DRM master FD
+        // was master once before, so we can set it as master again
+        // using drmSetMaster() without CAP_SYS_ADMIN.
+        if (g_SdlDrmMasterFd != -1 && fd == g_SdlDrmMasterFd) {
+            if (drmSetMaster(g_QtDrmMasterFd) < 0) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "Failed to restore master to Qt DRM FD: %d",
+                             errno);
+            }
+
+            g_SdlDrmMasterFd = -1;
+        }
+    }
+    return ret;
+}
+
+#endif
@@ -6,6 +6,7 @@
 #include <QSettings>
 #include <QCoreApplication>

+QString Path::s_CacheDir;
 QString Path::s_LogDir;
 QString Path::s_BoxArtCacheDir;

@@ -28,11 +29,43 @@ QByteArray Path::readDataFile(QString fileName)
    return dataFile.readAll();
 }

+void Path::writeCacheFile(QString fileName, QByteArray data)
+{
+    QDir cacheDir(s_CacheDir);
+
+    // Create the cache path if it does not exist
+    if (!cacheDir.exists()) {
+        cacheDir.mkpath(".");
+    }
+
+    QFile dataFile(cacheDir.absoluteFilePath(fileName));
+    dataFile.open(QIODevice::WriteOnly);
+    dataFile.write(data);
+}
+
+void Path::deleteCacheFile(QString fileName)
+{
+    QFile dataFile(QDir(s_CacheDir).absoluteFilePath(fileName));
+    dataFile.remove();
+}
+
+QFileInfo Path::getCacheFileInfo(QString fileName)
+{
+    return QFileInfo(QDir(s_CacheDir), fileName);
+}
+
 QString Path::getDataFilePath(QString fileName)
 {
    QString candidatePath;

-    // Check the current directory first
+    // Check the cache location first (used by Path::writeDataFile())
+    candidatePath = QDir(s_CacheDir).absoluteFilePath(fileName);
+    if (QFile::exists(candidatePath)) {
+        qInfo() << "Found" << fileName << "at" << candidatePath;
+        return candidatePath;
+    }
+
+    // Check the current directory
    candidatePath = QDir(QDir::currentPath()).absoluteFilePath(fileName);
    if (QFile::exists(candidatePath)) {
        qInfo() << "Found" << fileName << "at" << candidatePath;
@@ -40,7 +73,7 @@ QString Path::getDataFilePath(QString fileName)
    }

    // Now check the data directories (for Linux, in particular)
-    candidatePath = QStandardPaths::locate(QStandardPaths::DataLocation, fileName);
+    candidatePath = QStandardPaths::locate(QStandardPaths::AppDataLocation, fileName);
    if (!candidatePath.isEmpty() && QFile::exists(candidatePath)) {
        qInfo() << "Found" << fileName << "at" << candidatePath;
        return candidatePath;
@@ -64,6 +97,10 @@ void Path::initialize(bool portable)
    if (portable) {
        s_LogDir = QDir::currentPath();
        s_BoxArtCacheDir = QDir::currentPath() + "/boxart";
+
+        // In order for the If-Modified-Since logic to work in MappingFetcher,
+        // the cache directory must be different than the current directory.
+        s_CacheDir = QDir::currentPath() + "/cache";
    }
    else {
 #ifdef Q_OS_DARWIN
@@ -73,6 +110,7 @@ void Path::initialize(bool portable)
 #else
        s_LogDir = QDir::tempPath();
 #endif
+        s_CacheDir = QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
        s_BoxArtCacheDir = QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/boxart";
    }
 }
@@ -1,6 +1,7 @@
 #pragma once

 #include <QString>
+#include <QFileInfo>

 class Path
 {
@@ -10,6 +11,9 @@ public:
    static QString getBoxArtCacheDir();

    static QByteArray readDataFile(QString fileName);
+    static void writeCacheFile(QString fileName, QByteArray data);
+    static void deleteCacheFile(QString fileName);
+    static QFileInfo getCacheFileInfo(QString fileName);

    // Only safe to use directly for Qt classes
    static QString getDataFilePath(QString fileName);
@@ -17,6 +21,7 @@ public:
    static void initialize(bool portable);

 private:
+    static QString s_CacheDir;
    static QString s_LogDir;
    static QString s_BoxArtCacheDir;
 };
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@@ -0,0 +1 @@
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@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" fill="#FFFFFF" width="48" height="48" viewBox="0 0 24 24">
+    <path fill="none" d="M0 0h24v24H0V0z"/>
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+</svg>
@@ -1,4 +0,0 @@
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@@ -1,9 +0,0 @@
-<svg fill="#FFFFFF" height="48" viewBox="0 0 24 24" width="48" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <defs>
-        <path d="M0 0h24v24H0V0z" id="a"/>
-    </defs>
-    <clipPath id="b">
-        <use overflow="visible" xlink:href="#a"/>
-    </clipPath>
-    <path clip-path="url(#b)" d="M21 3H3c-1.11 0-2 .89-2 2v12c0 1.1.89 2 2 2h5v2h8v-2h5c1.1 0 1.99-.9 1.99-2L23 5c0-1.11-.9-2-2-2zm0 14H3V5h18v12zm-5-7v2H8v-2h8z"/>
-</svg>
@@ -1,4 +0,0 @@
-<svg fill="#FFFFFF" height="48" viewBox="0 0 24 24" width="48" xmlns="http://www.w3.org/2000/svg">
-    <path d="M0 0h24v24H0z" fill="none"/>
-    <path d="M21 3H3c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h5v2h8v-2h5c1.1 0 1.99-.9 1.99-2L23 5c0-1.1-.9-2-2-2zm0 14H3V5h18v12z"/>
-</svg>
@@ -1,9 +1,7 @@
 <RCC>
    <qresource prefix="/">
-        <file>res/ic_remove_circle_outline_white_48px.svg</file>
-        <file>res/ic_remove_from_queue_white_48px.svg</file>
        <file>res/ic_videogame_asset_white_48px.svg</file>
-        <file>res/ic_tv_white_48px.svg</file>
+        <file>res/desktop_windows-48px.svg</file>
        <file>res/ic_add_to_queue_white_48px.svg</file>
        <file>res/baseline-lock-24px.svg</file>
        <file>res/baseline-play_circle_filled_white-48px.svg</file>
@@ -17,9 +15,29 @@
        <file>res/update.svg</file>
        <file>res/baseline-help_outline-24px.svg</file>
        <file>res/baseline-error_outline-24px.svg</file>
+        <file>res/baseline-check_circle_outline-24px.svg</file>
+        <file>res/Discord-Logo-White.svg</file>
+        <file>languages/qml_de.ts</file>
+        <file>languages/qml_de.qm</file>
+        <file>languages/qml_fr.ts</file>
+        <file>languages/qml_fr.qm</file>
+        <file>languages/qml_zh_cn.ts</file>
+        <file>languages/qml_zh_cn.qm</file>
+        <file>languages/qml_nb_NO.ts</file>
+        <file>languages/qml_nb_NO.qm</file>
+        <file>languages/qml_ru.ts</file>
+        <file>languages/qml_ru.qm</file>
+        <file>languages/qml_es.ts</file>
+        <file>languages/qml_es.qm</file>
    </qresource>
    <qresource prefix="/data">
        <file alias="gamecontrollerdb.txt">SDL_GameControllerDB/gamecontrollerdb.txt</file>
        <file alias="ModeSeven.ttf">ModeSeven.ttf</file>
+        <file alias="egl_nv12.frag">shaders/egl_nv12.frag</file>
+        <file alias="egl_nv12.vert">shaders/egl_nv12.vert</file>
+        <file alias="egl_opaque.frag">shaders/egl_opaque.frag</file>
+        <file alias="egl_opaque.vert">shaders/egl_opaque.vert</file>
+        <file alias="egl_overlay.frag">shaders/egl_overlay.frag</file>
+        <file alias="egl_overlay.vert">shaders/egl_overlay.vert</file>
    </qresource>
 </RCC>
@@ -0,0 +1,137 @@
+#include "compatfetcher.h"
+#include "path.h"
+
+#include <QNetworkReply>
+#include <QSettings>
+
+#define COMPAT_VERSION "v1"
+#define COMPAT_KEY "latestsupportedversion-"
+
+CompatFetcher::CompatFetcher(QObject *parent) :
+    QObject(parent),
+    m_Nam(this)
+{
+    // Never communicate over HTTP
+    m_Nam.setStrictTransportSecurityEnabled(true);
+
+    // Allow HTTP redirects
+    m_Nam.setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);
+
+    connect(&m_Nam, &QNetworkAccessManager::finished,
+            this, &CompatFetcher::handleCompatInfoFetched);
+}
+
+void CompatFetcher::start()
+{
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 15, 1) && !defined(QT_NO_BEARERMANAGEMENT)
+    // HACK: Set network accessibility to work around QTBUG-80947 (introduced in Qt 5.14.0 and fixed in Qt 5.15.1)
+    QT_WARNING_PUSH
+    QT_WARNING_DISABLE_DEPRECATED
+    m_Nam.setNetworkAccessible(QNetworkAccessManager::Accessible);
+    QT_WARNING_POP
+#endif
+
+    QUrl url("https://moonlight-stream.org/compatibility/" COMPAT_VERSION);
+    QNetworkRequest request(url);
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    request.setAttribute(QNetworkRequest::Http2AllowedAttribute, true);
+#else
+    request.setAttribute(QNetworkRequest::HTTP2AllowedAttribute, true);
+#endif
+
+    // We'll get a callback when this is finished
+    m_Nam.get(request);
+}
+
+bool CompatFetcher::isGfeVersionSupported(QString gfeVersion)
+{
+    QSettings settings;
+
+    if (gfeVersion.trimmed().isEmpty()) {
+        // If we don't have a GFE version, just allow it
+        return true;
+    }
+
+    QString latestSupportedVersion = settings.value(COMPAT_KEY COMPAT_VERSION).toString();
+    if (latestSupportedVersion.isEmpty()) {
+        // We don't have compat data yet, so just assume it's supported
+        return true;
+    }
+
+    QStringList latestSupportedVersionQuad = latestSupportedVersion.split('.');
+    QStringList gfeVersionQuad = gfeVersion.split('.');
+
+    if (gfeVersionQuad.count() <= 1) {
+        qWarning() << "Failed to parse GFE version:" << gfeVersion;
+        return true;
+    }
+
+    if (latestSupportedVersionQuad.count() <= 1) {
+        qWarning() << "Failed to parse latest supported version:" << latestSupportedVersion;
+        return true;
+    }
+
+    for (int i = 0;; i++) {
+        int actualVerVal = 0;
+        int latestSupportedVal = 0;
+
+        // Treat missing decimal places as 0
+        if (i < gfeVersionQuad.count()) {
+            bool ok;
+
+            actualVerVal = gfeVersionQuad[i].toInt(&ok);
+            if (!ok || actualVerVal < 0) {
+                // Return true to be safe
+                qWarning() << "Failed to parse GFE version:" << gfeVersion;
+                return true;
+            }
+        }
+        if (i < latestSupportedVersionQuad.count()) {
+            bool ok;
+
+            latestSupportedVal = latestSupportedVersionQuad[i].toInt(&ok);
+            if (!ok || latestSupportedVal < 0) {
+                // Return true to be safe
+                qWarning() << "Failed to parse latest supported version:" << latestSupportedVersion;
+                return true;
+            }
+        }
+
+        if (i >= gfeVersionQuad.count() && i >= latestSupportedVersionQuad.count()) {
+            // Equal versions - this is fine
+            return true;
+        }
+
+        if (actualVerVal < latestSupportedVal) {
+            // Actual version is lower than latest supported - this is fine
+            return true;
+        }
+        else if (actualVerVal > latestSupportedVal) {
+            // Actual version is greater than latest supported - this is bad
+            qWarning() << "GFE version" << gfeVersion << "is not supported by this version of Moonlight";
+            return false;
+        }
+    }
+}
+
+void CompatFetcher::handleCompatInfoFetched(QNetworkReply* reply)
+{
+    Q_ASSERT(reply->isFinished());
+
+    if (reply->error() == QNetworkReply::NoError) {
+        // Queue the reply for deletion
+        reply->deleteLater();
+
+        QString version = QString(reply->readAll()).trimmed();
+
+        QSettings settings;
+        settings.setValue(COMPAT_KEY COMPAT_VERSION, version);
+
+        qInfo() << "Latest supported GFE server:" << version;
+    }
+    else {
+        qWarning() << "Failed to download latest compatibility data:" << reply->error();
+        reply->deleteLater();
+    }
+}
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <QObject>
+#include <QNetworkAccessManager>
+
+class CompatFetcher : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit CompatFetcher(QObject *parent = nullptr);
+
+    void start();
+
+    static bool isGfeVersionSupported(QString gfeVersion);
+
+private slots:
+    void handleCompatInfoFetched(QNetworkReply* reply);
+
+private:
+    QNetworkAccessManager m_Nam;
+};
@@ -0,0 +1,91 @@
+#include "mappingfetcher.h"
+#include "path.h"
+
+#include <QNetworkReply>
+
+MappingFetcher::MappingFetcher(QObject *parent) :
+    QObject(parent),
+    m_Nam(this)
+{
+    // Never communicate over HTTP
+    m_Nam.setStrictTransportSecurityEnabled(true);
+
+    // Allow HTTP redirects
+    m_Nam.setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);
+
+    connect(&m_Nam, &QNetworkAccessManager::finished,
+            this, &MappingFetcher::handleMappingListFetched);
+}
+
+void MappingFetcher::start()
+{
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 15, 1) && !defined(QT_NO_BEARERMANAGEMENT)
+    // HACK: Set network accessibility to work around QTBUG-80947 (introduced in Qt 5.14.0 and fixed in Qt 5.15.1)
+    QT_WARNING_PUSH
+    QT_WARNING_DISABLE_DEPRECATED
+    m_Nam.setNetworkAccessible(QNetworkAccessManager::Accessible);
+    QT_WARNING_POP
+#endif
+
+    QUrl url("https://moonlight-stream.org/SDL_GameControllerDB/gamecontrollerdb.txt");
+    QNetworkRequest request(url);
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    request.setAttribute(QNetworkRequest::Http2AllowedAttribute, true);
+#else
+    request.setAttribute(QNetworkRequest::HTTP2AllowedAttribute, true);
+#endif
+
+    // Qt 5.12 introduced QNetworkRequest::IfModifiedSinceHeader. We _could_ implement it
+    // by hand (including QDateTime conversion to the correct string form) for earlier Qt
+    // versions, but that's a pain and this is just an optimization anyway. We'll do a bit
+    // of extra work on those legacy Qt versions by fetching the GCDB each time we launch.
+#if QT_VERSION >= QT_VERSION_CHECK(5, 12, 0)
+    // Only download the file if it's newer than what we have
+    QFileInfo existingFileInfo = Path::getCacheFileInfo("gamecontrollerdb.txt");
+    if (existingFileInfo.exists()) {
+        // Make sure the cached file looks reasonable. It should have some data and
+        // the last modified time should not be in the future.
+        QDateTime lastModifiedTime = existingFileInfo.lastModified().toUTC();
+        if (existingFileInfo.size() > 0 && lastModifiedTime <= QDateTime::currentDateTimeUtc()) {
+            request.setHeader(QNetworkRequest::IfModifiedSinceHeader, existingFileInfo.lastModified().toUTC());
+        }
+        else {
+            Path::deleteCacheFile("gamecontrollerdb.txt");
+        }
+    }
+#endif
+
+    // We'll get a callback when this is finished
+    m_Nam.get(request);
+}
+
+void MappingFetcher::handleMappingListFetched(QNetworkReply* reply)
+{
+    Q_ASSERT(reply->isFinished());
+
+    if (reply->error() == QNetworkReply::NoError) {
+        // Queue the reply for deletion
+        reply->deleteLater();
+
+        // If we get a 304 back, Qt will happily just tell us our request was
+        // successful and let us try to write our empty response to disk. Check
+        // the status code directly to prevent this.
+        if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 304) {
+            qInfo() << "Gamepad mappings are up to date";
+        }
+        else {
+            // Update the cached data on disk for next call to applyMappings()
+            QByteArray data = reply->readAll();
+            if (!data.isEmpty()) {
+                Path::writeCacheFile("gamecontrollerdb.txt", data);
+            }
+
+            qInfo() << "Downloaded updated gamepad mappings";
+        }
+    }
+    else {
+        qWarning() << "Failed to download updated gamepad mappings:" << reply->error();
+        reply->deleteLater();
+    }
+}
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <QObject>
+#include <QNetworkAccessManager>
+
+class MappingFetcher : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit MappingFetcher(QObject *parent = nullptr);
+
+    void start();
+
+private slots:
+    void handleMappingListFetched(QNetworkReply* reply);
+
+private:
+    QNetworkAccessManager m_Nam;
+};
@@ -10,10 +10,18 @@
 #define SER_GUID "guid"
 #define SER_MAPPING "mapping"

+MappingFetcher* MappingManager::s_MappingFetcher;
+
 MappingManager::MappingManager()
 {
    QSettings settings;

+    // Load updated mappings from the Internet once per Moonlight launch
+    if (s_MappingFetcher == nullptr) {
+        s_MappingFetcher = new MappingFetcher();
+        s_MappingFetcher->start();
+    }
+
    // First load existing saved mappings. This ensures the user's
    // hints can always override the old data.
    int mappingCount = settings.beginReadArray(SER_GAMEPADMAPPING);
@@ -26,8 +34,14 @@ MappingManager::MappingManager()
    settings.endArray();

    // Finally load mappings from SDL_HINT_GAMECONTROLLERCONFIG
-    QStringList sdlMappings = QString::fromLocal8Bit(SDL_GetHint(SDL_HINT_GAMECONTROLLERCONFIG)).split('\n', QString::SkipEmptyParts);
-    for (QString sdlMapping : sdlMappings) {
+    QStringList sdlMappings =
+            QString::fromLocal8Bit(SDL_GetHint(SDL_HINT_GAMECONTROLLERCONFIG))
+        #if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+            .split('\n', Qt::SkipEmptyParts);
+        #else
+            .split('\n', QString::SkipEmptyParts);
+        #endif
+    for (const QString& sdlMapping : sdlMappings) {
        SdlGamepadMapping mapping(sdlMapping);
        addMapping(mapping);
    }
@@ -58,16 +72,26 @@ void MappingManager::applyMappings()
    if (!mappingData.isEmpty()) {
        int newMappings = SDL_GameControllerAddMappingsFromRW(
                    SDL_RWFromConstMem(mappingData.constData(), mappingData.size()), 1);
-        if (newMappings < 0) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                         "Error loading gamepad mappings: %s",
-                         SDL_GetError());
-        }
-        else {
+
+        if (newMappings > 0) {
            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
                        "Loaded %d new gamepad mappings",
                        newMappings);
        }
+        else {
+            if (newMappings < 0) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                             "Error loading gamepad mappings: %s",
+                             SDL_GetError());
+            }
+            else if (newMappings == 0) {
+                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                            "0 new mappings found in gamecontrollerdb.txt. Is it corrupt?");
+            }
+
+            // Try deleting the cached mapping list just in case it's corrupt
+            Path::deleteCacheFile("gamecontrollerdb.txt");
+        }
    }
    else {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -1,5 +1,7 @@
 #pragma once

+#include "mappingfetcher.h"
+
 #include <QSettings>

 class SdlGamepadMapping
@@ -70,5 +72,7 @@ public:

 private:
    QMap<QString, SdlGamepadMapping> m_Mappings;
+
+    static MappingFetcher* s_MappingFetcher;
 };

@@ -1,6 +1,11 @@
 #include "streamingpreferences.h"

 #include <QSettings>
+#include <QTranslator>
+#include <QCoreApplication>
+#include <QLocale>
+
+#include <QtDebug>

 #define SER_STREAMSETTINGS "streamsettings"
 #define SER_WIDTH "width"
@@ -19,13 +24,37 @@
 #define SER_UNSUPPORTEDFPS "unsupportedfps"
 #define SER_MDNS "mdns"
 #define SER_QUITAPPAFTER "quitAppAfter"
-#define SER_MOUSEACCELERATION "mouseacceleration"
+#define SER_ABSMOUSEMODE "mouseacceleration"
+#define SER_ABSTOUCHMODE "abstouchmode"
 #define SER_STARTWINDOWED "startwindowed"
 #define SER_FRAMEPACING "framepacing"
 #define SER_CONNWARNINGS "connwarnings"
+#define SER_UIDISPLAYMODE "uidisplaymode"
+#define SER_RICHPRESENCE "richpresence"
+#define SER_GAMEPADMOUSE "gamepadmouse"
+#define SER_DEFAULTVER "defaultver"
+#define SER_PACKETSIZE "packetsize"
+#define SER_DETECTNETBLOCKING "detectnetblocking"
+#define SER_SWAPMOUSEBUTTONS "swapmousebuttons"
+#define SER_MUTEONFOCUSLOSS "muteonfocusloss"
+#define SER_BACKGROUNDGAMEPAD "backgroundgamepad"
+#define SER_REVERSESCROLL "reversescroll"
+#define SER_SWAPFACEBUTTONS "swapfacebuttons"
+#define SER_CAPTURESYSKEYS "capturesyskeys"
+#define SER_LANGUAGE "language"
+
+#define CURRENT_DEFAULT_VER 1

 StreamingPreferences::StreamingPreferences(QObject *parent)
-    : QObject(parent)
+    : QObject(parent),
+      m_QmlEngine(nullptr)
+{
+    reload();
+}
+
+StreamingPreferences::StreamingPreferences(QQmlEngine *qmlEngine, QObject *parent)
+    : QObject(parent),
+      m_QmlEngine(qmlEngine)
 {
    reload();
 }
@@ -34,6 +63,14 @@ void StreamingPreferences::reload()
 {
    QSettings settings;

+    int defaultVer = settings.value(SER_DEFAULTVER, 0).toInt();
+
+#ifdef Q_OS_DARWIN
+    recommendedFullScreenMode = WindowMode::WM_FULLSCREEN_DESKTOP;
+#else
+    recommendedFullScreenMode = WindowMode::WM_FULLSCREEN;
+#endif
+
    width = settings.value(SER_WIDTH, 1280).toInt();
    height = settings.value(SER_HEIGHT, 720).toInt();
    fps = settings.value(SER_FPS, 60).toInt();
@@ -45,10 +82,21 @@ void StreamingPreferences::reload()
    unsupportedFps = settings.value(SER_UNSUPPORTEDFPS, false).toBool();
    enableMdns = settings.value(SER_MDNS, true).toBool();
    quitAppAfter = settings.value(SER_QUITAPPAFTER, false).toBool();
-    mouseAcceleration = settings.value(SER_MOUSEACCELERATION, false).toBool();
-    startWindowed = settings.value(SER_STARTWINDOWED, false).toBool();
+    absoluteMouseMode = settings.value(SER_ABSMOUSEMODE, false).toBool();
+    absoluteTouchMode = settings.value(SER_ABSTOUCHMODE, true).toBool();
    framePacing = settings.value(SER_FRAMEPACING, false).toBool();
    connectionWarnings = settings.value(SER_CONNWARNINGS, true).toBool();
+    richPresence = settings.value(SER_RICHPRESENCE, true).toBool();
+    gamepadMouse = settings.value(SER_GAMEPADMOUSE, true).toBool();
+    detectNetworkBlocking = settings.value(SER_DETECTNETBLOCKING, true).toBool();
+    packetSize = settings.value(SER_PACKETSIZE, 0).toInt();
+    swapMouseButtons = settings.value(SER_SWAPMOUSEBUTTONS, false).toBool();
+    muteOnFocusLoss = settings.value(SER_MUTEONFOCUSLOSS, false).toBool();
+    backgroundGamepad = settings.value(SER_BACKGROUNDGAMEPAD, false).toBool();
+    reverseScrollDirection = settings.value(SER_REVERSESCROLL, false).toBool();
+    swapFaceButtons = settings.value(SER_SWAPFACEBUTTONS, false).toBool();
+    captureSysKeysMode = static_cast<CaptureSysKeysMode>(settings.value(SER_CAPTURESYSKEYS,
+                                                         static_cast<int>(CaptureSysKeysMode::CSK_OFF)).toInt());
    audioConfig = static_cast<AudioConfig>(settings.value(SER_AUDIOCFG,
                                                  static_cast<int>(AudioConfig::AC_STEREO)).toInt());
    videoCodecConfig = static_cast<VideoCodecConfig>(settings.value(SER_VIDEOCFG,
@@ -58,7 +106,99 @@ void StreamingPreferences::reload()
    windowMode = static_cast<WindowMode>(settings.value(SER_WINDOWMODE,
                                                        // Try to load from the old preference value too
                                                        static_cast<int>(settings.value(SER_FULLSCREEN, true).toBool() ?
-                                                                             WindowMode::WM_FULLSCREEN : WindowMode::WM_WINDOWED)).toInt());
+                                                                             recommendedFullScreenMode : WindowMode::WM_WINDOWED)).toInt());
+    uiDisplayMode = static_cast<UIDisplayMode>(settings.value(SER_UIDISPLAYMODE,
+                                               static_cast<int>(settings.value(SER_STARTWINDOWED, true).toBool() ? UIDisplayMode::UI_WINDOWED
+                                                                                                                 : UIDisplayMode::UI_MAXIMIZED)).toInt());
+    language = static_cast<Language>(settings.value(SER_LANGUAGE,
+                                                    static_cast<int>(Language::LANG_AUTO)).toInt());
+
+
+    // Perform default settings updates as required based on last default version
+    if (defaultVer == 0) {
+#ifdef Q_OS_DARWIN
+        // Update window mode setting on macOS from full-screen (old default) to borderless windowed (new default)
+        if (windowMode == WindowMode::WM_FULLSCREEN) {
+            windowMode = WindowMode::WM_FULLSCREEN_DESKTOP;
+        }
+#endif
+    }
+}
+
+bool StreamingPreferences::retranslate()
+{
+    static QTranslator* translator = nullptr;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
+    if (m_QmlEngine != nullptr) {
+        // Dynamic retranslation is not supported until Qt 5.10
+        return false;
+    }
+#endif
+
+    QTranslator* newTranslator = new QTranslator();
+    QString languageSuffix = getSuffixFromLanguage(language);
+
+    // Remove the old translator, even if we can't load a new one.
+    // Otherwise we'll be stuck with the old translated values instead
+    // of defaulting to English.
+    if (translator != nullptr) {
+        QCoreApplication::removeTranslator(translator);
+        delete translator;
+        translator = nullptr;
+    }
+
+    if (newTranslator->load(QString(":/languages/qml_") + languageSuffix)) {
+        qInfo() << "Successfully loaded translation for " << languageSuffix;
+
+        translator = newTranslator;
+        QCoreApplication::installTranslator(translator);
+    }
+    else {
+        qInfo() << "No translation available for " << languageSuffix;
+        delete newTranslator;
+    }
+
+    if (m_QmlEngine != nullptr) {
+#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+        // This is a dynamic retranslation from the settings page.
+        // We have to kick the QML engine into reloading our text.
+        m_QmlEngine->retranslate();
+#else
+        // Unreachable below Qt 5.10 due to the check above
+        Q_ASSERT(false);
+#endif
+    }
+    else {
+        // This is a translation from a non-QML context, which means
+        // it is probably app startup. There's nothing to refresh.
+    }
+
+    return true;
+}
+
+QString StreamingPreferences::getSuffixFromLanguage(StreamingPreferences::Language lang)
+{
+    switch (lang)
+    {
+    case LANG_DE:
+        return "de";
+    case LANG_EN:
+        return "en";
+    case LANG_FR:
+        return "fr";
+    case LANG_ZH_CN:
+        return "zh_cn";
+    case LANG_NB_NO:
+        return "nb_NO";
+    case LANG_RU:
+        return "ru";
+    case LANG_ES:
+        return "es";
+    case LANG_AUTO:
+    default:
+        return QLocale::system().name();
+    }
 }

 void StreamingPreferences::save()
@@ -76,14 +216,27 @@ void StreamingPreferences::save()
    settings.setValue(SER_UNSUPPORTEDFPS, unsupportedFps);
    settings.setValue(SER_MDNS, enableMdns);
    settings.setValue(SER_QUITAPPAFTER, quitAppAfter);
-    settings.setValue(SER_MOUSEACCELERATION, mouseAcceleration);
-    settings.setValue(SER_STARTWINDOWED, startWindowed);
+    settings.setValue(SER_ABSMOUSEMODE, absoluteMouseMode);
+    settings.setValue(SER_ABSTOUCHMODE, absoluteTouchMode);
    settings.setValue(SER_FRAMEPACING, framePacing);
    settings.setValue(SER_CONNWARNINGS, connectionWarnings);
+    settings.setValue(SER_RICHPRESENCE, richPresence);
+    settings.setValue(SER_GAMEPADMOUSE, gamepadMouse);
+    settings.setValue(SER_PACKETSIZE, packetSize);
+    settings.setValue(SER_DETECTNETBLOCKING, detectNetworkBlocking);
    settings.setValue(SER_AUDIOCFG, static_cast<int>(audioConfig));
    settings.setValue(SER_VIDEOCFG, static_cast<int>(videoCodecConfig));
    settings.setValue(SER_VIDEODEC, static_cast<int>(videoDecoderSelection));
    settings.setValue(SER_WINDOWMODE, static_cast<int>(windowMode));
+    settings.setValue(SER_UIDISPLAYMODE, static_cast<int>(uiDisplayMode));
+    settings.setValue(SER_LANGUAGE, static_cast<int>(language));
+    settings.setValue(SER_DEFAULTVER, CURRENT_DEFAULT_VER);
+    settings.setValue(SER_SWAPMOUSEBUTTONS, swapMouseButtons);
+    settings.setValue(SER_MUTEONFOCUSLOSS, muteOnFocusLoss);
+    settings.setValue(SER_BACKGROUNDGAMEPAD, backgroundGamepad);
+    settings.setValue(SER_REVERSESCROLL, reverseScrollDirection);
+    settings.setValue(SER_SWAPFACEBUTTONS, swapFaceButtons);
+    settings.setValue(SER_CAPTURESYSKEYS, captureSysKeysMode);
 }

 int StreamingPreferences::getDefaultBitrate(int width, int height, int fps)
@@ -93,8 +246,14 @@ int StreamingPreferences::getDefaultBitrate(int width, int height, int fps)
    // we don't want to bump those 16:10 resolutions up to the
    // next 16:9 slot.

+    if (width * height <= 640 * 360) {
+        return static_cast<int>(1000 * (fps / 30.0));
+    }
+    else if (width * height <= 854 * 480) {
+        return static_cast<int>(1500 * (fps / 30.0));
+    }
    // This covers 1280x720 and 1280x800 too
-    if (width * height <= 1366 * 768) {
+    else if (width * height <= 1366 * 768) {
        return static_cast<int>(5000 * (fps / 30.0));
    }
    else if (width * height <= 1920 * 1200) {
@@ -2,6 +2,7 @@

 #include <QObject>
 #include <QRect>
+#include <QQmlEngine>

 class StreamingPreferences : public QObject
 {
@@ -9,6 +10,7 @@ class StreamingPreferences : public QObject

 public:
    StreamingPreferences(QObject *parent = nullptr);
+    StreamingPreferences(QQmlEngine *qmlEngine, QObject *parent = nullptr);

    Q_INVOKABLE static int
    getDefaultBitrate(int width, int height, int fps);
@@ -20,7 +22,8 @@ public:
    enum AudioConfig
    {
        AC_STEREO,
-        AC_51_SURROUND
+        AC_51_SURROUND,
+        AC_71_SURROUND
    };
    Q_ENUM(AudioConfig)

@@ -49,6 +52,38 @@ public:
    };
    Q_ENUM(WindowMode)

+    enum UIDisplayMode
+    {
+        UI_WINDOWED,
+        UI_MAXIMIZED,
+        UI_FULLSCREEN
+    };
+    Q_ENUM(UIDisplayMode)
+
+    // New entries must go at the end of the enum
+    // to avoid renumbering existing entries (which
+    // would affect existing user preferences).
+    enum Language
+    {
+        LANG_AUTO,
+        LANG_EN,
+        LANG_FR,
+        LANG_ZH_CN,
+        LANG_DE,
+        LANG_NB_NO,
+        LANG_RU,
+        LANG_ES
+    };
+    Q_ENUM(Language);
+
+    enum CaptureSysKeysMode
+    {
+        CSK_OFF,
+        CSK_FULLSCREEN,
+        CSK_ALWAYS,
+    };
+    Q_ENUM(CaptureSysKeysMode);
+
    Q_PROPERTY(int width MEMBER width NOTIFY displayModeChanged)
    Q_PROPERTY(int height MEMBER height NOTIFY displayModeChanged)
    Q_PROPERTY(int fps MEMBER fps NOTIFY displayModeChanged)
@@ -60,14 +95,28 @@ public:
    Q_PROPERTY(bool unsupportedFps MEMBER unsupportedFps NOTIFY unsupportedFpsChanged)
    Q_PROPERTY(bool enableMdns MEMBER enableMdns NOTIFY enableMdnsChanged)
    Q_PROPERTY(bool quitAppAfter MEMBER quitAppAfter NOTIFY quitAppAfterChanged)
-    Q_PROPERTY(bool mouseAcceleration MEMBER mouseAcceleration NOTIFY mouseAccelerationChanged)
-    Q_PROPERTY(bool startWindowed MEMBER startWindowed NOTIFY startWindowedChanged)
+    Q_PROPERTY(bool absoluteMouseMode MEMBER absoluteMouseMode NOTIFY absoluteMouseModeChanged)
+    Q_PROPERTY(bool absoluteTouchMode MEMBER absoluteTouchMode NOTIFY absoluteTouchModeChanged)
    Q_PROPERTY(bool framePacing MEMBER framePacing NOTIFY framePacingChanged)
    Q_PROPERTY(bool connectionWarnings MEMBER connectionWarnings NOTIFY connectionWarningsChanged)
+    Q_PROPERTY(bool richPresence MEMBER richPresence NOTIFY richPresenceChanged)
+    Q_PROPERTY(bool gamepadMouse MEMBER gamepadMouse NOTIFY gamepadMouseChanged)
+    Q_PROPERTY(bool detectNetworkBlocking MEMBER detectNetworkBlocking NOTIFY detectNetworkBlockingChanged);
    Q_PROPERTY(AudioConfig audioConfig MEMBER audioConfig NOTIFY audioConfigChanged)
    Q_PROPERTY(VideoCodecConfig videoCodecConfig MEMBER videoCodecConfig NOTIFY videoCodecConfigChanged)
    Q_PROPERTY(VideoDecoderSelection videoDecoderSelection MEMBER videoDecoderSelection NOTIFY videoDecoderSelectionChanged)
    Q_PROPERTY(WindowMode windowMode MEMBER windowMode NOTIFY windowModeChanged)
+    Q_PROPERTY(WindowMode recommendedFullScreenMode MEMBER recommendedFullScreenMode CONSTANT)
+    Q_PROPERTY(UIDisplayMode uiDisplayMode MEMBER uiDisplayMode NOTIFY uiDisplayModeChanged)
+    Q_PROPERTY(bool swapMouseButtons MEMBER swapMouseButtons NOTIFY mouseButtonsChanged)
+    Q_PROPERTY(bool muteOnFocusLoss MEMBER muteOnFocusLoss NOTIFY muteOnFocusLossChanged)
+    Q_PROPERTY(bool backgroundGamepad MEMBER backgroundGamepad NOTIFY backgroundGamepadChanged)
+    Q_PROPERTY(bool reverseScrollDirection MEMBER reverseScrollDirection NOTIFY reverseScrollDirectionChanged)
+    Q_PROPERTY(bool swapFaceButtons MEMBER swapFaceButtons NOTIFY swapFaceButtonsChanged)
+    Q_PROPERTY(CaptureSysKeysMode captureSysKeysMode MEMBER captureSysKeysMode NOTIFY captureSysKeysModeChanged)
+    Q_PROPERTY(Language language MEMBER language NOTIFY languageChanged);
+
+    Q_INVOKABLE bool retranslate();

    // Directly accessible members for preferences
    int width;
@@ -81,14 +130,27 @@ public:
    bool unsupportedFps;
    bool enableMdns;
    bool quitAppAfter;
-    bool mouseAcceleration;
-    bool startWindowed;
+    bool absoluteMouseMode;
+    bool absoluteTouchMode;
    bool framePacing;
    bool connectionWarnings;
+    bool richPresence;
+    bool gamepadMouse;
+    bool detectNetworkBlocking;
+    bool swapMouseButtons;
+    bool muteOnFocusLoss;
+    bool backgroundGamepad;
+    bool reverseScrollDirection;
+    bool swapFaceButtons;
+    int packetSize;
    AudioConfig audioConfig;
    VideoCodecConfig videoCodecConfig;
    VideoDecoderSelection videoDecoderSelection;
    WindowMode windowMode;
+    WindowMode recommendedFullScreenMode;
+    UIDisplayMode uiDisplayMode;
+    Language language;
+    CaptureSysKeysMode captureSysKeysMode;

 signals:
    void displayModeChanged();
@@ -100,13 +162,29 @@ signals:
    void unsupportedFpsChanged();
    void enableMdnsChanged();
    void quitAppAfterChanged();
-    void mouseAccelerationChanged();
+    void absoluteMouseModeChanged();
+    void absoluteTouchModeChanged();
    void audioConfigChanged();
    void videoCodecConfigChanged();
    void videoDecoderSelectionChanged();
+    void uiDisplayModeChanged();
    void windowModeChanged();
-    void startWindowedChanged();
    void framePacingChanged();
    void connectionWarningsChanged();
+    void richPresenceChanged();
+    void gamepadMouseChanged();
+    void detectNetworkBlockingChanged();
+    void mouseButtonsChanged();
+    void muteOnFocusLossChanged();
+    void backgroundGamepadChanged();
+    void reverseScrollDirectionChanged();
+    void swapFaceButtonsChanged();
+    void captureSysKeysModeChanged();
+    void languageChanged();
+
+private:
+    QString getSuffixFromLanguage(Language lang);
+
+    QQmlEngine* m_QmlEngine;
 };

@@ -0,0 +1,21 @@
+#version 300 es
+#extension GL_OES_EGL_image_external : require
+precision mediump float;
+out vec4 FragColor;
+
+in vec2 vTextCoord;
+
+uniform mat3 yuvmat;
+uniform vec3 offset;
+uniform samplerExternalOES plane1;
+uniform samplerExternalOES plane2;
+
+void main() {
+	vec3 YCbCr = vec3(
+		texture2D(plane1, vTextCoord)[0],
+		texture2D(plane2, vTextCoord).xy
+	);
+
+	YCbCr -= offset;
+	FragColor = vec4(clamp(yuvmat * YCbCr, 0.0, 1.0), 1.0f);
+}
@@ -0,0 +1,10 @@
+#version 300 es
+
+layout (location = 0) in vec2 aPosition; // 2D: X,Y
+layout (location = 1) in vec2 aTexCoord;
+out vec2 vTextCoord;
+
+void main() {
+	vTextCoord = aTexCoord;
+	gl_Position = vec4(aPosition, 0, 1);
+}
@@ -0,0 +1,12 @@
+#version 300 es
+#extension GL_OES_EGL_image_external : require
+precision mediump float;
+out vec4 FragColor;
+
+in vec2 vTextCoord;
+
+uniform samplerExternalOES uTexture;
+
+void main() {
+        FragColor = texture2D(uTexture, vTextCoord);
+}
@@ -0,0 +1,10 @@
+#version 300 es
+
+layout (location = 0) in vec2 aPosition; // 2D: X,Y
+layout (location = 1) in vec2 aTexCoord;
+out vec2 vTextCoord;
+
+void main() {
+	vTextCoord = aTexCoord;
+	gl_Position = vec4(aPosition, 0, 1);
+}
@@ -0,0 +1,11 @@
+precision mediump float;
+uniform sampler2D uTexture;
+varying vec2 vTexCoord;
+
+void main() {
+    vec4 abgr = texture2D(uTexture, vTexCoord);
+
+    gl_FragColor = abgr;
+    gl_FragColor.r = abgr.b;
+    gl_FragColor.b = abgr.r;
+}
@@ -0,0 +1,8 @@
+attribute vec2 aPosition; // 2D: X,Y
+attribute vec2 aTexCoord;
+varying vec2 vTexCoord;
+
+void main() {
+    vTexCoord = aTexCoord;
+    gl_Position = vec4(aPosition, 0, 1);
+}
@@ -13,53 +13,104 @@

 #include <Limelight.h>

-IAudioRenderer* Session::createAudioRenderer()
-{
-#if defined(HAVE_SOUNDIO)
-    if (qgetenv("ML_AUDIO") == "SDL") {
-        return new SdlAudioRenderer();
-    }
-
-    return new SoundIoAudioRenderer();
-#elif defined(HAVE_SLAUDIO)
-    return new SLAudioRenderer();
-#else
-    return new SdlAudioRenderer();
-#endif
+#define TRY_INIT_RENDERER(renderer, opusConfig)        \
+{                                                      \
+    IAudioRenderer* __renderer = new renderer();       \
+    if (__renderer->prepareForPlayback(opusConfig))    \
+        return __renderer;                             \
+    delete __renderer;                                 \
 }

-bool Session::testAudio(int audioConfiguration)
+IAudioRenderer* Session::createAudioRenderer(const POPUS_MULTISTREAM_CONFIGURATION opusConfig)
 {
-    IAudioRenderer* audioRenderer;
-
-    audioRenderer = createAudioRenderer();
-    if (audioRenderer == nullptr) {
-        return false;
+    // Handle explicit ML_AUDIO setting and fail if the requested backend fails
+    QString mlAudio = qgetenv("ML_AUDIO").toLower();
+    if (mlAudio == "sdl") {
+        TRY_INIT_RENDERER(SdlAudioRenderer, opusConfig)
+        return nullptr;
+    }
+#ifdef HAVE_SOUNDIO
+    else if (mlAudio == "libsoundio") {
+        TRY_INIT_RENDERER(SoundIoAudioRenderer, opusConfig)
+        return nullptr;
+    }
+#endif
+#if defined(HAVE_SLAUDIO)
+    else if (mlAudio == "slaudio") {
+        TRY_INIT_RENDERER(SLAudioRenderer, opusConfig)
+        return nullptr;
+    }
+#endif
+    else if (!mlAudio.isEmpty()) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                     "Unknown audio backend: %s",
+                     SDL_getenv("ML_AUDIO"));
+        return nullptr;
    }

+    // -------------- Automatic backend selection below this line ---------------
+
+#if defined(HAVE_SLAUDIO)
+    // Steam Link should always have SLAudio
+    TRY_INIT_RENDERER(SLAudioRenderer, opusConfig)
+#endif
+
+#if !defined(Q_OS_WIN32) && !defined(Q_OS_DARWIN)
+    // Linux defaults to SDL due to persistent glitching issues under libsoundio.
+    // Platforms that libsoundio doesn't support also default to SDL.
+    TRY_INIT_RENDERER(SdlAudioRenderer, opusConfig)
+#ifdef HAVE_SOUNDIO
+    TRY_INIT_RENDERER(SoundIoAudioRenderer, opusConfig)
+#endif
+#else
+    // Windows and macOS default to libsoundio and fall back to SDL
+#ifdef HAVE_SOUNDIO
+    TRY_INIT_RENDERER(SoundIoAudioRenderer, opusConfig)
+#endif
+    TRY_INIT_RENDERER(SdlAudioRenderer, opusConfig)
+#endif
+
+    return nullptr;
+}
+
+int Session::getAudioRendererCapabilities(int audioConfiguration)
+{
    // Build a fake OPUS_MULTISTREAM_CONFIGURATION to give
    // the renderer the channel count and sample rate.
    OPUS_MULTISTREAM_CONFIGURATION opusConfig = {};
    opusConfig.sampleRate = 48000;
+    opusConfig.samplesPerFrame = 240;
+    opusConfig.channelCount = CHANNEL_COUNT_FROM_AUDIO_CONFIGURATION(audioConfiguration);

-    switch (audioConfiguration)
-    {
-    case AUDIO_CONFIGURATION_STEREO:
-        opusConfig.channelCount = 2;
-        break;
-    case AUDIO_CONFIGURATION_51_SURROUND:
-        opusConfig.channelCount = 6;
-        break;
-    default:
-        SDL_assert(false);
-        return false;
+    IAudioRenderer* audioRenderer = createAudioRenderer(&opusConfig);
+    if (audioRenderer == nullptr) {
+        return 0;
    }

-    bool ret = audioRenderer->prepareForPlayback(&opusConfig);
+    int caps = audioRenderer->getCapabilities();

    delete audioRenderer;

-    return ret;
+    return caps;
+}
+
+bool Session::testAudio(int audioConfiguration)
+{
+    // Build a fake OPUS_MULTISTREAM_CONFIGURATION to give
+    // the renderer the channel count and sample rate.
+    OPUS_MULTISTREAM_CONFIGURATION opusConfig = {};
+    opusConfig.sampleRate = 48000;
+    opusConfig.samplesPerFrame = 240;
+    opusConfig.channelCount = CHANNEL_COUNT_FROM_AUDIO_CONFIGURATION(audioConfiguration);
+
+    IAudioRenderer* audioRenderer = createAudioRenderer(&opusConfig);
+    if (audioRenderer == nullptr) {
+        return false;
+    }
+
+    delete audioRenderer;
+
+    return true;
 }

 int Session::arInit(int /* audioConfiguration */,
@@ -70,30 +121,34 @@ int Session::arInit(int /* audioConfiguration */,

    SDL_memcpy(&s_ActiveSession->m_AudioConfig, opusConfig, sizeof(*opusConfig));

+    s_ActiveSession->m_AudioRenderer = s_ActiveSession->createAudioRenderer(&s_ActiveSession->m_AudioConfig);
+    if (s_ActiveSession->m_AudioRenderer == nullptr) {
+        return -2;
+    }
+
+    // Allow the chosen renderer to remap Opus channels as needed to ensure proper output
+    s_ActiveSession->m_AudioRenderer->remapChannels(&s_ActiveSession->m_AudioConfig);
+
+    // Create the Opus decoder with the renderer's preferred channel mapping
    s_ActiveSession->m_OpusDecoder =
-            opus_multistream_decoder_create(opusConfig->sampleRate,
-                                            opusConfig->channelCount,
-                                            opusConfig->streams,
-                                            opusConfig->coupledStreams,
-                                            opusConfig->mapping,
+            opus_multistream_decoder_create(s_ActiveSession->m_AudioConfig.sampleRate,
+                                            s_ActiveSession->m_AudioConfig.channelCount,
+                                            s_ActiveSession->m_AudioConfig.streams,
+                                            s_ActiveSession->m_AudioConfig.coupledStreams,
+                                            s_ActiveSession->m_AudioConfig.mapping,
                                            &error);
    if (s_ActiveSession->m_OpusDecoder == NULL) {
+        delete s_ActiveSession->m_AudioRenderer;
+        s_ActiveSession->m_AudioRenderer = nullptr;
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                     "Failed to create decoder: %d",
                     error);
        return -1;
    }

-    s_ActiveSession->m_AudioRenderer = s_ActiveSession->createAudioRenderer();
-    if (!s_ActiveSession->m_AudioRenderer->prepareForPlayback(opusConfig)) {
-        delete s_ActiveSession->m_AudioRenderer;
-        opus_multistream_decoder_destroy(s_ActiveSession->m_OpusDecoder);
-        return -2;
-    }
-
    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
                "Audio stream has %d channels",
-                opusConfig->channelCount);
+                s_ActiveSession->m_AudioConfig.channelCount);

    return 0;
 }
@@ -111,8 +166,11 @@ void Session::arDecodeAndPlaySample(char* sampleData, int sampleLength)
 {
    int samplesDecoded;

-    // Set this thread to high priority to reduce
-    // the chance of missing our sample delivery time
+#ifndef STEAM_LINK
+    // Set this thread to high priority to reduce the chance of missing
+    // our sample delivery time. On Steam Link, this causes starvation
+    // of other threads due to severely restricted CPU time available,
+    // so we will skip it on that platform.
    if (s_ActiveSession->m_AudioSampleCount == 0) {
        if (SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH) < 0) {
            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
@@ -120,6 +178,7 @@ void Session::arDecodeAndPlaySample(char* sampleData, int sampleLength)
                        SDL_GetError());
        }
    }
+#endif

    // See if we need to drop this sample
    if (s_ActiveSession->m_DropAudioEndTime != 0) {
@@ -138,26 +197,40 @@ void Session::arDecodeAndPlaySample(char* sampleData, int sampleLength)

    s_ActiveSession->m_AudioSampleCount++;

+    // If audio is muted, don't decode or play the audio
+    if (s_ActiveSession->m_AudioMuted) {
+        return;
+    }
+
    if (s_ActiveSession->m_AudioRenderer != nullptr) {
+        int desiredSize = sizeof(short) * s_ActiveSession->m_AudioConfig.samplesPerFrame * s_ActiveSession->m_AudioConfig.channelCount;
+        void* buffer = s_ActiveSession->m_AudioRenderer->getAudioBuffer(&desiredSize);
+        if (buffer == nullptr) {
+            return;
+        }
+
        samplesDecoded = opus_multistream_decode(s_ActiveSession->m_OpusDecoder,
                                                 (unsigned char*)sampleData,
                                                 sampleLength,
-                                                 s_ActiveSession->m_OpusDecodeBuffer,
-                                                 SAMPLES_PER_FRAME,
+                                                 (short*)buffer,
+                                                 desiredSize / sizeof(short) / s_ActiveSession->m_AudioConfig.channelCount,
                                                 0);
+
+        // Update desiredSize with the number of bytes actually populated by the decoding operation
        if (samplesDecoded > 0) {
-            if (!s_ActiveSession->m_AudioRenderer->submitAudio(s_ActiveSession->m_OpusDecodeBuffer,
-                                                               static_cast<int>(
-                                                                   sizeof(short) *
-                                                                   samplesDecoded *
-                                                                   s_ActiveSession->m_AudioConfig.channelCount))) {
+            SDL_assert(desiredSize >= (int)(sizeof(short) * samplesDecoded * s_ActiveSession->m_AudioConfig.channelCount));
+            desiredSize = sizeof(short) * samplesDecoded * s_ActiveSession->m_AudioConfig.channelCount;
+        }
+        else {
+            desiredSize = 0;
+        }

-                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                            "Reinitializing audio renderer after failure");
+        if (!s_ActiveSession->m_AudioRenderer->submitAudio(desiredSize)) {
+            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                        "Reinitializing audio renderer after failure");

-                delete s_ActiveSession->m_AudioRenderer;
-                s_ActiveSession->m_AudioRenderer = nullptr;
-            }
+            delete s_ActiveSession->m_AudioRenderer;
+            s_ActiveSession->m_AudioRenderer = nullptr;
        }
    }

@@ -171,11 +244,7 @@ void Session::arDecodeAndPlaySample(char* sampleData, int sampleLength)
        // so we return to real-time playback and don't accumulate latency.
        Uint32 audioReinitStartTime = SDL_GetTicks();

-        s_ActiveSession->m_AudioRenderer = s_ActiveSession->createAudioRenderer();
-        if (!s_ActiveSession->m_AudioRenderer->prepareForPlayback(&s_ActiveSession->m_AudioConfig)) {
-            delete s_ActiveSession->m_AudioRenderer;
-            s_ActiveSession->m_AudioRenderer = nullptr;
-        }
+        s_ActiveSession->m_AudioRenderer = s_ActiveSession->createAudioRenderer(&s_ActiveSession->m_AudioConfig);

        Uint32 audioReinitStopTime = SDL_GetTicks();

@@ -1,96 +0,0 @@
-#include "qtaud.h"
-
-#include <QDebug>
-
-QtAudioRenderer::QtAudioRenderer()
-    : m_AudioOutput(nullptr),
-      m_OutputDevice(nullptr)
-{
-
-}
-
-QtAudioRenderer::~QtAudioRenderer()
-{
-    delete m_AudioOutput;
-}
-
-bool QtAudioRenderer::prepareForPlayback(const OPUS_MULTISTREAM_CONFIGURATION* opusConfig)
-{
-    QAudioFormat format;
-
-    // testAudio() assumes this sample rate
-    Q_ASSERT(opusConfig->sampleRate == 48000);
-
-    format.setSampleRate(opusConfig->sampleRate);
-    format.setChannelCount(opusConfig->channelCount);
-    format.setSampleSize(16);
-    format.setSampleType(QAudioFormat::SignedInt);
-    format.setCodec("audio/pcm");
-
-    m_AudioOutput = new QAudioOutput(format);
-
-    // Buffer 40 ms of audio data
-    m_AudioOutput->setBufferSize(format.bytesForDuration(40000));
-
-    m_OutputDevice = m_AudioOutput->start();
-    if (m_OutputDevice == nullptr) {
-        qWarning() << "Audio start failed:" << m_AudioOutput->error();
-        return false;
-    }
-
-    // Check what buffer size was really used after starting
-    qInfo() << "Audio stream buffer:" << m_AudioOutput->bufferSize() << "bytes";
-
-    return true;
-}
-
-void QtAudioRenderer::submitAudio(short* audioBuffer, int audioSize)
-{
-    m_OutputDevice->write((const char *)audioBuffer, audioSize);
-}
-
-bool QtAudioRenderer::testAudio(int audioConfiguration)
-{
-    QAudioFormat format;
-
-    format.setSampleRate(48000);
-    format.setSampleSize(16);
-    format.setSampleType(QAudioFormat::SignedInt);
-    format.setCodec("audio/pcm");
-
-    switch (audioConfiguration) {
-    case AUDIO_CONFIGURATION_STEREO:
-        format.setChannelCount(2);
-        break;
-    case AUDIO_CONFIGURATION_51_SURROUND:
-        format.setChannelCount(6);
-        break;
-    default:
-        Q_ASSERT(false);
-        return false;
-    }
-
-    if (QAudioDeviceInfo::defaultOutputDevice().isFormatSupported(format)) {
-        qInfo() << "Audio test successful with" << format.channelCount() << "channels";
-        return true;
-    }
-    else {
-        qWarning() << "Audio test failed with" << format.channelCount() << "channels";
-        return false;
-    }
-}
-
-int QtAudioRenderer::detectAudioConfiguration()
-{
-    int preferredChannelCount = QAudioDeviceInfo::defaultOutputDevice().preferredFormat().channelCount();
-
-    qInfo() << "Audio output device prefers" << preferredChannelCount << "channel configuration";
-
-    // We can better downmix 5.1 to quad than we can upmix stereo
-    if (preferredChannelCount > 2) {
-        return AUDIO_CONFIGURATION_51_SURROUND;
-    }
-    else {
-        return AUDIO_CONFIGURATION_STEREO;
-    }
-}
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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