proton-cachyos/CHANGELOG.md at cachyos_main · CachyOS/proton-cachyos

Version 11.0-20260602

Proton (SLR and Native)
- Bugfix release based on cachyos-11.0-20260601-slr
- Imported some winewayland.drv fixes from Proton-EM for color management and mouse pointer handling. Thanks to @Etaash-mathamsetty. Issue: #225
- Removed winex11-Fixed-scancodes patch-set which was applied in the previous version as it caused a few issues with keyboard keys not working and fixing it requires winecfg. Issue: #223
- Reverted the patch that allowed executables to be dynamically relocated too. It was included to fix some FFXIV modding tools but it broke the NIKKE installer and caused peformance issues with modded Fallout 4. Issue: #227
- Updated Vulkan detection to fallback to dxvk-sarek for GPUs that advertise Vulkan 1.3 but do not support descriptorIndexing, for example Intel HD Graphics 5500 (BDW GT2). Thanks to @CommandMC
- Updated protonfixes and added a patch to fix #219
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

I know that we have a lot of different packages that might cause confusion. My suggestion is to be conservative and use x86_64. Feel free to experiment and see which fits better for your system, of course.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260529

Version 10.0-sunset

Proton (SLR and Native)
- The last Proton-CachyOS 10.0 release based on cachyos-10.0-20260425-slr
- This release closes the Proton-CachyOS 10.0 development cycle. It's retrofitted with some improvements and components from the current Proton 11.0.
  - Updated dxvk, dxvk-nvapi and vkd3d-proton to recent development versions
  - Included low_latency_layer and vkbasalt
  - Updated dxvk-sarek and d7vk
  - Backported Vulkan version detection for automatic fallback to dxvk-sarek
  - Backported Optiscaler integration and defaulting to Windows 11
  - Backported the updates for umu-protonfixes to reduce the size of the prefixes and using zenity-rs
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 11.0-20260601

Proton (SLR and Native)
- Updated to Proton Experimental 11.0-20260529
- Imported a lot of winewayland.drv improvements from Proton-EM. Thanks to @Etaash-mathamsetty
  - Implement xdg-popup for unmanaged windows with an owner.
  - Fixed race condition with first frame of server side decorations.
  - Implemented client surface reparenting for unmanaged window role transition.
  - Fixed winewayland being broken on wow64 due to a regression. Issues: #200, #208
  - Fixed key release with focus loss with keyboard hooks.
  - Fixed ensure window contents and NtUserExposeWindowSurface.
  - Fixed some cases of division by zero.
- Enabled automatic HDR detection/enablement. In case you need to disable it for any reason, you can set DXVK_NO_HDR=1. Thanks to @Etaash-mathamsetty NOTE: Presently Gnome does not support enough color management features to expose HDR automatically.
- Fixed an issue with videos in Mega Man Legacy Collection 2 that would cause the game to hang. Thanks to @NelloKudo. Issue: #211
- Fixed an issue with videos in The Legend of Heroes - Trails in the Sky FC that caused them to be upside-down. Thanks to @NelloKudo. Issue: #199
- Fixed an issue with videos in Unravel and Unravel Two that caused the games to crash. Thanks to @NelloKudo. Issue: #161
- Fixed an issue that would cause some games to crash or be unable to connect to game servers. Thanks to @GenkaiToppa for finding the offending change. Issues: #207, #204, #201
- Added Vulkan version detection to automatically use DXVK-Sarek if the primary GPU does NOT support Vulkan 1.3. Presently the detection is based solely on Vulkan version, which can be wrong in cases where the driver in use only misses certain extensions or features. If for any reason the automatic detection is wrong, you can still force-enable it using PROTON_DXVK_SAREK=1, or if you want to disable DXVK-Sarek, you can do so with PROTON_DXVK_SAREK=0. Thanks to @CommandMC
- Changed PROTON_USE_OPTISCALER to also download DLSS dlls by default in order to enable DLSS inputs for FSR4. Issue: #214
- Added PROTON_OPTISCALER_CONFIG to write arbitrary configuration in OptiScaler.ini when using PROTON_USE_OPTISCALER.
  - The config is a semicolon (;) separated string of individual options. The template for each option is {section}.{option}={value}, for example PROTON_OPTISCALER_CONFIG="Upscalers.Dx11Upscaler=fsr31;Upscalers.Dx12Upscaler=dlss". To avoid mistakes, only config options that already exist in Optiscaler.ini can be modified.
  - The changes to the config are permanent until OptiScaler is upgraded or downgraded to a different version. To modify a setting it has to either be manually edited or altered by applying a different config through the environment variable.
  - Be careful, using this will also remove any comments from the OptiScaler.ini file. Keep a backup or refer to the repo for documentation of the various settings.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260529

Version 11.0-20260521

Well, I guess a lot of things have been happening so another minor update release is in order. Three releases in three days is a bit of a meme, I am right there with you, be sure of that. As you may very well know the descriptor heap has been merged into vkd3d-proton, so I thought I might aswell do another release to update vkd3d-proton and clean some stuff up.

Proton (SLR and Native)
- Minor update release based on cachyos-11.0-20260520-slr
- Updated vkd3d-proton to the latest version. This includes the descriptor heap branch now, meaning that only VKD3D_CONFIG=descriptor_heap is required to enable it. As a result PROTON_VKD3D_HEAP has been removed, only the VKD3D_CONFIG configuration is needed to enable descriptor heap.
- The alternative vkd3d-proton submodule, which was housing the descriptor-heap-rebase branch, has also been removed. It might come back in the future to host other features.
- Fixed a hang that happened during game startup on Gnome / Mutter when using winewayland.drv. Thanks to @Etaash-mathamsetty
- Fixed an issue that would cause games to freeze after switching windows when using winewayland.drv. Thanks to @Etaash-mathamsetty
- Implemented brazil ABNT keyboard layout for winewayland.drv. Thanks to @Etaash-mathamsetty
- Improved media playback for Darksiders Warmastered Edition to render the videos and no longer crash the game. There are still some issues that we are looking into. If you running the game from a store other than Steam, for example EGS or GOG, you will need to provide umu-launcher with the gameid GAMEID=umu-462780. Thanks to @NelloKudo
- Fixed slow media playback in Persona 5 Strikers. Thanks to @NelloKudo
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260518b

Version 11.0-20260520

Proton (SLR and Native)
- Bugfix release based on cachyos-11.0-20260519-slr
- Fixed an issue with defaulting to Windows 11 in Wine, which made the version not being detected correctly and might have caused dotnet48 to fail during installation.
- If you are using custom local protonfixes which are installing any dotnet* version, you will also need to update them according to Open-Wine-Components/umu-protonfixes#557. You can also apply the PROTON_DLL_COPY="*" (notice the syntax, it's important to quote the value) environment variable if you are installing through the command line. This will considerably increase the size of the prefix.
- Fixed an issue with winewayland.drv which caused some games to not show their window, #181. Thanks to @Etaash-mathamsetty
- Updated the alternative vkd3d-proton submodule to track descriptor-heap-rebase again instead of forza-workarounds.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260518b

Version 11.0-20260519

Proton (SLR and Native)
- Updated to Proton Experimental Bleeding Edge 11.0-20260518b
- Imported a number of fixes and updates from Proton-EM for winewayland.drv. Thanks to @Etaash-mathamsetty
  - Fixed some issues with color management. Thanks to @kode54 for identifying the issues and providing the basis for the fixes CachyOS/wine-cachyos#6, CachyOS/wine-cachyos#8.
  - Fixed a bug where mouse pointer wouldn't warp when the pointer lock was released.
  - Fixed some cases where the winewayland event dispatcher thread would get suspended.
  - Improved ensure contents implementation for opaque surfaces.
- Improved video playback patches which should allow more games, especially visual novels, to play their media without issues. Games which previously required PROTON_MEDIA_USE_GST=1, should work out of the box. Thanks to @NelloKudo
- Renamed PROTON_MEDIA_USE_GST to PROTON_MEDIA_FORCE_GST to disable protofixes that used the former to workaround media playback issues. We are cautiously confident that many things will work now out-of-the-box. Still the configuration options remains through the renamed environment variable in case it is still needed for anything or debugging.
- Removed the extraneous PROTON_VKREFLEX environment variable which enabled dxvk-nvapi's Reflex layer. Exposing the layer, as well as enabling it, is now controlled by the original upstream environment variable DXVK_NVAPI_VKREFLEX=1.
- Included low_latency_layer as an optional layer. It can be enabled using LOW_LATENCY_LAYER=1. This only enables the layer, for further configuration options refer to the project's documentation.
- Included rpc-bridge with Proton to allow games to set Discord's Rich Presence. The service does not run by default and can be enabled using PROTON_DISCORD_BRIDGE=1.
- Fixed the OptiScaler injection method in Wine to work in more games. Due to the way it works, it might hook overlays instead of the game. If that stops OptiScaler from working, you can block it by editing the config and adding the overlay process in the ProcessExclusionList. Let us know by making an issue so we can exclude more overlay processes in the future.
- Updated protonfixes to stop "unsymlinking" the whole prefix unconditionally. Reduces the size of the prefix and should improve Proton warmup time.
- If you are using custom local protonfixes which are installing dotnet you will also need to update them according to Open-Wine-Components/umu-protonfixes#557. You can also apply the PROTON_DLL_COPY="*" (notice the syntax, it's important to quote the value) environment variable if you are installing through the command line.
- Updated Wine to default to Windows 11
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260518b

Version 11.0-20260506

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 11.0-20260506
- Imported a number of fixes and updates from Proton-EM for winewayland.drv.
  - Prefer ext_data_control_manager_v1 over zwlr_data_control_manager_v1 when present. Thanks to @Etaash-mathamsetty
  - Implemented VK_COLORSPACE_HDR10_ST2084_EXT using windows_bt2100 image description when version 3 of the wp_color_manager_v1 protocol is supported (no compositor supports it yet). Thanks to @Etaash-mathamsetty
  - Fixed crashes when the Wayland output image description changes. Thanks to @Etaash-mathamsetty
  - Simplified client surface caching and made it handle more cases. Thanks to @Etaash-mathamsetty
  - Fixed mouse pointer moving abruptly after entering a window when using winewayland.drv (#153). Thanks to @Etaash-mathamsetty
  - Fixed an issue that "upgraded" FSR3.1 to FSR4 on RDNA3 GPUs automatically even without using the intended environemnt variables. Thanks to @Etaash-mathamsetty
- Removed PROTON_ENABLE_HDR as an option. It doesn't make much sense to have it any more, as it also required ENABLE_HDR_WSI=0 in certain cases. If it is required, you can use DXVK_HDR=1 instead, optionally with ENABLE_HDR_WSI=1 on Nvidia driver versions older than 595.x.x.
- Fixed more than a few media playback issues.
  - Fixed an issue where some H264 videos would fail to play (e.g. Stella Sora). Thanks to @NelloKudo
  - Fixed an issue where some videos would fail to start on winedmo due to flawed Seek() implementation (e.g. Danganronpa V3). Thanks to @NelloKudo
  - Fixed a crash in faudio and improved WMA videos playback, DMC1 videos should now play fine on winedmo. Thanks to @NelloKudo
  - Fixed intro video not playing in Guilty Gear XX Accent Core Plus R. Thanks to @NelloKudo
- Fixed semi-transparent webviews in Wuthering Waves. Thanks to @NelloKudo
- Thanks to @Vyrolian's efforts, improvements have been made in winepulse.drv in Valve's Proton, and as a result their older more hacky patch for winepulse.drv has been removed. The multi-channel audio patches for winealsa.drv are still included.
- Imported the changes from https://gitlab.winehq.org/wine/wine/-/merge_requests/10829 which tries to make collisions on the futex queues much less likely.
- Imported the changes from https://gitlab.winehq.org/wine/wine/-/merge_requests/10871 to respect runtime font smoothing settings.
- Improved WINE_BLOCK_HOSTS to block second-level domains too. WINE_BLOCK_HOSTS=test.org will block all of this.test.org, other.test.org. Word of caution, the domain name matching is very naive, so WINE_BLOCK_HOSTS=org will block any .org TLD.
- Added basic integration of OptiScaler into umu-protonfixes and Proton-CachyOS, see below.
  - Presently it is controlled by two environment variables, PROTON_USE_OPTISCALER=1 to enable it, and PROTON_OPTISCALER_NAME=<name.dll> to control the DLL that should be injected. Three names are supported for PROTON_OPTISCALER_NAME, dxgi.dll, d3d12.dll and dbghelp.dll and defaults to dxgi.dll unless explictly set.
  - When enabled, the PROTON_<UPSCALER>_UPGRADE options can be used to dictate the versions of the upscaler DLLs to download and use, so PROTON_FSR4_RDNA3_UPGRADE=4.0.2 will download the FidelityFX DLLs for version 4.0.2. PROTON_FSR4_RDNA3_UPGRADE=1 still defaults to 4.0.0 and PROTON_FSR4_UPGRADE=1 defaults to 4.1.0. You will need either of these to enable FSR4 upscaling presently.
  - The configuration files are placed with the DLLs in <prefix>/drive_c/windows/system32/umu/ in case you need to edit them. Further configuration options exposed through environment variables are not planned, and likely to not be implemented.
  - Right now drop-in DLL replacements are not possible, since the files are validated on each startup. If you need more fine-grained control than what is offered by the in-game menu, it's probably better to manually set up OptiScaler.
  - I consider this work-in-progress, and it will certainly not work with all games. Do not report issues to OptiScaler when using this, always try their own manual installation first (and of course disable this feature when doing so).
  - Thanks to @FakeMichau from the OptiScaler dev team for making this kind of integration possible by identifying and resolving various issues, and @mrlukyxd and @noel-personal for their input and testing while I was implementing it.
- Updated d7vk submodule to v1.9.
- Updated dxvk-sarek submodule to 01e9165a to include the back-ported d7vk updates.
Proton (SLR specific)
- None
Proton (Native specific)
- Converted it back into a multilib package until it's no longer possible for us to build it as such.
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260506

Version 11.0-20260429

Proton (SLR and Native)
- Bugfix release based on cachyos-10.0-20260428-slr
- Added zenity-rs to umu-protonfixes as a replacement for zenity. SteamRT4 removed zenity from the runtime, and that made Winetricks GUI not function. Also fixed Winetricks GUI not working when enabling Wayland in Proton.
- Imported a couple of updates from Bleeding Edge to fix EAC and Assassin's Creed Shadows (unrelated to each other).
- Updated dxvk, dxvk-nvapi and vkd3d-proton
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260428

Version 11.0-20260428

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 11.0-20260428
- First of I would like to thank @Etaash-mathamsetty of Proton-EM and @NelloKudo of DWProton for their immense contribution to the project in general and for helping with the rebase on top of Proton 11 in particular.
- The PROTON_USE_NTSYNC environment variable and related configuration has been removed. This is the default now even in Valve's Proton 11, nevertheless ntsync can still be disabled by using PROTON_NO_NTSYNC provided by Proton 11.
- Imported winewayland.drv updates from Proton-EM 11. One important difference is that Proton-CachyOS doesn't enable HDR by default, you still need PROTON_ENABLE_HDR=1 for it. The automatic enablement depends on Nvidia 595 drivers, and I didn't want to enforce that requirement.
- Proton 11 is using SteamRT4, which is missing a few of the libraries that were present in SteamRT3. This led us to disable a few media plugins in gstreamer and ffmpeg. If you notice lacking media in games when using Proton-CachyOS 11 compared to Proton-CachyOS 10, we would like to know.
- Almost all of the wine-staging patches from Proton-CachyOS 10 have been removed. Only a handful have been added for things that we were certain they were required. We want to keep them at a minimum and add them selectively if they are required to fix an issue.
- The DualSense patches have been removed, pending a rebase onto Proton 11. If they are still needed, they will be added back in a later version.
- Removed the Asseto Corsa patch, as the game's HUD seems to work fine using CSP 0.3 and I did not like what the patch was doing to fix the issue. We also fixed an issue with PROTON_GST_VIDEO_ORIENTATION messing up audio playback.
- The x86_64_v4 package has been removed. I felt like it wasn't offering anything substantial presently and I needed to free up jobs in the workflows for other builds. You can use either the x86_64_v3 or x86_64 instead.
Proton (SLR specific)
- None
Proton (Native specific)
- The native Arch package is going to be pure wow64 from now on. Arch has been removing lib32-* packages in lately and I don't want to deal with build failures. Using the Steam Linux Runtime (-slr) package has been our recommendation for a long time now, for maximum compatibility.
Wine (Standalone)
- None

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-11.0-20260428

Version 10.0-20260425

Proton (SLR and Native)
- Final release for the Proton 10 branch based on 10.0-20260407 required updates.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260424

Proton (SLR and Native)
- Update release based on cachyos-10.0-20260420-slr
- Backported the required wine and vkd3d-proton updates from Proton Experimental Bleeding Edge to fix Crimson Desert. Do not use PROTON_VKD3D_HEAP=1 with the game, the alternative vkd3d-proton doesn't have any of the required updates.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260420

Proton (SLR and Native)
- Update release based on cachyos-10.0-20260410-slr
- Updated vkd3d-proton, and the alternative one using the descriptor-heap-rebase branch to e72c0753 and 2889f1c8 respectively, for blazing fast performance on Nvidia (not really, but it does fix a recent performance issue)
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260410

Proton (SLR and Native)
- Update release based on cachyos-10.0-20260409-slr
- Updated the alternative vkd3d-proton to the rebased descriptor heap branch. To enable it you will have to set VKD3D_CONFIG=descriptor_heap manually in conjuction with PROTON_VKD3D_HEAP=1. The reason is to allow testing of both the legacy and the new code paths with this rebase.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

I know that we have a lot of different packages that might cause confusion. My suggestion is to be conservative and use x86_64. The x86_64_v2 and x86_64_v3 should be absolutely identical between them and with x86_64 across the board, and x86_64_v4 can be worse in some cases. Feel free to experiment and see which fits better for your system, of course.

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260409

Proton (SLR and Native)
- Bugfix release based on cachyos-10.0-20260408-slr
- Updated winewayland.drv patches to fix an issue with Asseto Corsa. Thanks to @Etaash-Mathamsetty.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260408

Proton (SLR and Native)
- Bugfix release based on cachyos-10.0-20260407-slr
- Fixed PROTON_DLSS_UPGRADE, PROTON_FSR3_UPGRADE and PROTON_XESS_UPGRADE not applying the upgrade properly.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260407

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-20260407
- Added a patch to allow Denuvo to work on Android. Thanks to @pipetto-crypto, @NelloKudo and @klark231.
- Updated winewayland.drv with latest changes from Proton-EM. Previously problematic Vulkan games, such as Doom Eternal, should work properly now. Other fixed issues include window decorations for some CEF applications and window minimize and restore. Thanks to @Etaash-Mathamsetty.
- Updated dxvk-low-latency to the current low-latency-framepacing-2.7.1-3-521 release.
- Updated d7vk to v1.7
- Updated dxvk-sarek to fcafb96. This update includes a backported version of d7vk, to use it combine the PROTON_DXVK_SAREK=1 and PROTON_D7VK_DDRAW=1 options.
- Split nvidia-libs/nvcuda and nvidia-libs/nvenc modules to separate sources for 64bit and 32bit libraries and updated the 64bit modules. This was necessary because newer versions of SveSop's nvcuda and nvenc removed 32bit support, see here for more information
- Added PROTON_USE_WAYLAND and PROTON_USE_SDL aliases for PROTON_ENABLE_WAYLAND and PROTON_PREFER_SDL respectively.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- wine-cachyos packages on CachyOS repos will be built as wow64 due to a lot of multilib dependencies being removed from the Arch repos.

Important

The x86_64_v4 package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260407

Version 10.0-20260330

Proton (SLR and Native)
- Minor updated release based on the previous 10.0-20260324
- Backported syscall-related commits from upstream Wine to fix crashes in Where Winds Meet and Ubisoft Connect. Due to the nature of these changes, consider this release as potentially unstable. Thanks to @MarshNello and @Etaash-Mathamsetty for providing a large number of these changes and testing.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We have been building arm64 packages of Proton-CachyOS for the past few versions. They are now part of the release but they are untested and possibly broken. To use this build you will need to get and build a development version of umu-launcher from https://github.com/Open-Wine-Components/umu-launcher. From the CLI interface it should work normally by pointing PROTONPATH to this proton build. If you want to enter the steamrt4 container to inspect it without running proton, you can do so by running PROTONPATH=umu-steamrt4-arm64 umu-run xterm.

I also provide unpatched builds of Proton Experimental with support for umu-launcher in my personal repository https://github.com/loathingKernel/Proton/releases which can be used for testing arm64

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

This release includes a x86_64_v4 package. This package is largely untested and experimental. It may exhibit issues or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260324

Version 10.0-20260324

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-20260324.
- Updated vkd3d-proton to bleeding-edge.
- Updated d7vk to v1.6 and enabled it in the arm64 build.
- Updated dxvk-sarek to 249c45a8 and enabled it in the arm64 build.
- DXVK-Sarek is now using the very experimental dyasync method by default. Please use this issue for problems concerning DXVK-Sarek.
- Updated protonfixes to 334ffe8
- Disabled ntsync for Hogwarts Legacy by default.
- Imported a few d2d1 updates from upstream Wine.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260324

Version 10.0-20260321

Proton (SLR and Native)
- Update release of the previous one, based on 10.0-20260312
- Update dxvk and vkd3d-proton to latest.
- Update alternative vkd3d-proton to the updated descriptor-heap-test branch.
- Update dxvk-sarek to latest. Dyasync is a very experimental change that aims to replace async in DXVK-Sarek. It does not have the issues async while offering a comparable, if not better, experience. Please use this issue for problems concerning DXVK-Sarek.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md
For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md
For dxvk-sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation
For dxvk-low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260312

Version 10.0-20260320

Proton (SLR and Native)
- Update release of the previous one, based on 10.0-20260312
- Updated dxvk and vkd3d-proton to latest.
- Imported the high CPU usage fix for Death Stranding 2 from upstream Proton Experimental Bleeding Edge.
- Imported a commit from Proton-EM to stub StorageDeviceTrimProperty. Should fix SSDs being detected as HDDs by the Where Winds Meet standalone launcher.
- Added patch to protonfixes to also check the protonfixes cache for the FSR4 DLLs before falling back to a previous version. If you happen to have versions newer than 4.0.0 in the cache, they will be used even if the remote files do not exist any more.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

For the low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260312

Version 10.0-20260319

Proton (SLR and Native)
- Update release of the previous one, based on 10.0-20260312
- Bundled DXVK-NVAPI's Vulkan Reflex layer to support Reflex in Vulkan games. Enable using PROTON_VKREFLEX=1
- Allowed Wayland server-side decorations to work out-of-the-box. In case there is an issue due to decorations, PROTON_NO_WM_DECORATION=1 (or the original WAYLANDDRV_SSD=0) will disable them.
- Updated DXVK and vkd3d-proton to latest
- Imported fixes for Crimson Desert / Death Stranding 2 from upstream Proton Experimental Bleeding Edge
- Disabled ntsync for Death Stranding 2
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

For the low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260312

Version 10.0-20260312

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-20260312.
- Enabled wine-nvml by default for Nvidia GPUs at the request of its developer in order to get wider testing for it. wine-nvml allows applications running under Wine to call some NVML functions as if the native Windows driver was installed into the prefix with the purposes of monitoring GPU temperature, utilization, etc. It gives the benefits of GPU utilization reporting without going through the manual installation process. It can still be disabled with PROTON_NVIDIA_NVML=0 if needed.
- ntsync has been enabled by default. It can still be disabled when required with PROTON_USE_NTSYNC=0.
- gplasync has been removed from our alternative DXVK, and with it PROTON_DXVK_GPLASYNC. PROTON_DXVK_LOWLATENCY remains, and it is the only option now.
- Imported winewayland.drv updates from Proton-EM (up to Proton-EM 10.0-34).
- IME is NOT disabled by default on winewayland.drv any more, repeat keys should work now regardless.
- Updated D7VK to v1.5
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/c5da693
- Fixed the FSR4 downloader to fallback to a previous version if the required DLL could not be found. Recently AMD removed all the amdxcffx64.dll versions other than 4.0.0, so now both PROTON_FSR4_UPGRADE and PROTON_FSR4_RDNA3_UPGRADE will download that version. The downloader will try to find and download newer versions if they become available again.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

For the low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260312

Version 10.0-20260228

Proton (SLR and Native)

Update release to address a few concerns around DXVK-GPLALL in the previous one, based on 10.0-20260227.

Due to issues reported with DXVK-GPLALL, for example introducing lag-spikes when gplasync was disabled, it has been replaced with the individual patchsets from dxvk-low-latency and dxvk-gplasync, without further modifications. Accordingly, a couple of convenience options have been introduced to exclusively enable only one of the components instead of both. We refer to this version as dxvk-llasync internally for convenience, but it is NOT a fork or its own project. The newly introduced configuration is as follows.

Environment variable	Description
`PROTON_DXVK_LLASYNC`	When set to `1` it will enable the alternative DXVK with default configuration. This means that both `lowlatency` and `gplasync` will be enabled. This option SHOULD NOT be used with anti-cheat/multiplayer games.
`PROTON_DXVK_LOWLATENCY`	When set to `1` it will enable the alternative DXVK with configuration to enable only the `low-latency` component. The configuration is applied by appending to `DXVK_CONFIG` and is equivalent to `DXVK_CONFIG="dxvk.enableAsync=False"`. This option should make it safe to use with anti-cheat/multiplayer games.
`PROTON_DXVK_GPLASYNC`	When set to `1` it will enable the alternative DXVK with configuration to enable only the `gplasync` component. The configuration is applied by appending to `DXVK_CONFIG` and is equivalent to `DXVK_CONFIG="dxvk.framePace=max-frame-latency"`. This option SHOULD NOT be used with anti-cheat/multiplayer games.

When any of these options is used, the number of DXVK compiler threads is set to NUMBER_OF_CPUS - 2 with a lower limit of 3. I.e, if your CPU has 8 threads, DXVK will use up to 6, if your CPU has 4 threads it will use up to 3. This is meant to help with interactivity when compiling shaders during gameplay.

Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

For the low-latency related options to tune its behavior refer to: https://github.com/netborg-afps/dxvk-low-latency?tab=readme-ov-file#dxvk-low-latency For the gplasync related options to tune its behavior refer to: https://gitlab.com/Ph42oN/dxvk-gplasync/

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260227

Version 10.0-20260227

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-20260227.
- Replaced the dxvk-gplasync patchset with the dxvk-gplall patchset by @Digger1955, which includes both @Ph42oN's dxvk-gplasync and @netborg-afps's dxvk-low-latency patchsets. Since this is an exploratory change for this release, the environment switch is still PROTON_DXVK_GPLASYNC=1. The same warnings as the previous dxvk-gplasync still apply, we suggest not using this with anti-cheat or multiplayer games. If you want only the low-latency component, you can disable the gplasync component with DXVK_CONFIG="dxvk.enableAsync=False". For more information refer to the project's README.
- Renamed the PROTON_DXVK_DDRAW environment variable to PROTON_D7VK_DDRAW to reflect the origin of the component as it is separate from DXVK.
- Disabled IME by default when using winewayland.drv temporarily until https://gitlab.winehq.org/wine/wine/-/merge_requests/10007 has been merged and we can backport it.
- Updated @Vyrolian's winealsa and winepulse patches.
- Updated d7vk to https://github.com/WinterSnowfall/d7vk/tree/v1.4
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/b99bf1c
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

For DXVK-GPLALL specific options to tune its behavior refer to: https://github.com/Digger1955/dxvk-gplasync-lowlatency?tab=readme-ov-file#additional-info

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260227

Version 10.0-20260207

Proton (SLR and Native)
- Update release to address a few minor issues of the previous one, based on bleeding-edge.
- Partially re-added the DualSense haptics patchset. The hotplug support patchets are omitted as they were causing issues. Thanks to @xzn for taking an interest and providing an updated patchset.
- Removed some faulty print() statements in the proton script that messed up parsing Proton's stdout when using getnativepath/getcompatpath. #96
- Updated d7vk to https://github.com/WinterSnowfall/d7vk/tree/v1.3
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/d37ce42
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- Added workflow to build wine-cachyos redistributables, potentially usable by Lutris etc. Still under consideration. Thanks to @NelloKudo

Note

We have been building arm64 packages of Proton-CachyOS for the past few versions. They are now part of the release but they are untested and possibly broken. To use this build you will need to get and build a WIP version of umu-launcher from https://github.com/loathingKernel/umu-launcher/tree/tool_info_arm64, specifically the tool_info_arm64 branch. From the CLI interface it should work normally by pointing PROTONPATH to this proton build. If you want to enter the steamrt4 container to inspect it without running proton, you can do so by running PROTONPATH=umu-steamrt4-arm64 umu-run xterm.

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-308355-20260207-p6f42a5-w1d3dc8-d00b599-v3d306e

Version 10.0-20260203

Proton (SLR and Native)
- Update release to address a few minor issues of the previous one, based on bleeding-edge.
- Removed the DualSense haptics patchset. If you are using a DualSense controller, you might need to recreate your prefixes. While the patchset itself fixed the haptics on these controllers, it broke some other games, something which the developer had already warned about but I didn't listen. Hopefully after further testing we will be able to include it again.
- Added a winealsa patch for better multi-channel audio support CachyOS/wine-cachyos#4 . Thanks to @Vyrolian, the developer of these patches and to @EPOCHvoyager for the PR.
- The arm64 build is now part of our released assets. This is still in a testing phase and possibly broken, but it's about time to make it more easily accessible. The arm64 build doesn't include dxvk-sarek, d7vk and nvidia-libs but winewayland.drv should work. For instruction see the NOTE below.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

We have been building arm64 packages of Proton-CachyOS for the past few versions. They are now part of the release but they are untested and possibly broken. To use this build you will need to get and build a WIP version of umu-launcher from https://github.com/loathingKernel/umu-launcher/tree/tool_info_arm64, specifically the tool_info_arm64 branch. From the CLI interface it should work normally by pointing PROTONPATH to this proton build. If you want to enter the steamrt4 container to inspect it without running proton, you can do so by running PROTONPATH=umu-steamrt4-arm64 umu-run xterm.

We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-305999-20260203-p6f42a5-w523bc2-d2f4acd-v298eaf

Version 10.0-20260127

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-20260127.
- Imported fixes for EA App from steam_helper to umu_helper.
- Imported upstream wine changes to fix an issue that caused applications to hang on exit. Thanks to @NelloKudo.
- Imported upstream wine changes to fix a crash under odd circumstances. #89
- Imported some winewayland fixes from Proton-EM.
- Updated d7vk to https://github.com/WinterSnowfall/d7vk/tree/9459afe6
- Updated dxvk-sarek to https://github.com/pythonlover02/DXVK-Sarek/tree/b8d84197
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/ac8eeea
- The arm64 build is now based on Valve's steamrt4 arm64 SDK instead of our local sniper arm64 SDK used previously.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

We have been building Arm64 packages of Proton-CachyOS for the past few versions. They are not part of the release but their artifacts can be found in the release's workflow. We are looking for testers, if you are interested, feel free to contact me (@loathingKernel) in the CachyOS Discord server.

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20260127

Version 10.0-20260102

Proton (SLR and Native)
- Development release based on version 10.0-20260101. Because this update is meant for testing, this release will NOT be availabe in the CachyOS repos or the AUR.
- Add and build d7vk module. Use the temporary PROTON_DXVK_DDRAW=1 environment variable to use ddraw.dll from d7vk.
- Patched protonfixes to use the default preset when upgrading DLSS. This is supposed to allow DLSS to choose the preset to use according to the currently selected upscale mode.
- Patched protonfixes and wine to download and redirect libxess_dx11.dll.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

I know that we have a lot of different packages that might cause confusion. My suggestion is to be conservative and use either x86_64 or x86_64_v2. x86_64_v3 should be absolutely identical with x86_64_v2 across the board, and x86_64_v4 can be worse in some cases. Feel free to experiment and see which fits better for your system, of course.

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Note

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251222

Version 10.0-20260101

Proton (SLR and Native)
- Bugfix release based on version 10.0-20251222.
- Imported dualsense patches from https://github.com/xzn/proton-ds5-haptic. Development and issues are discussed in ValveSoftware#5900
- Re-synced a few wayland patches with Proton-EM. Due to some outdated cherry-picks, certain keyboard layouts would not work when using winewayland.drv.
- Removed a long standing patch that might have been causing degraded 1% lows in some cases. Since the difference was very small, I am certain yet, but after a lot of benchmarks, 1% lows seem to be ~3fps higher consistently. Hopefully removed commit was the culprit.
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/f78be4d
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Important

Note

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251222

Version 10.0-20251222

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-20251222.
- The DLSS/FSR4/FSR3/XESS upgrade functionality has been moved into protonfixes. The options and their usage are exactly same as before.
- When using PROTON_FSR4_[RDNA3_]UPGRADE, MLFG_UPGRADE=1 will also be set by default. You can disable MLFG with PROTON_MLFG_UPGRADE=0.
- PROTON_FSR4_INDICATOR now also sets MLFG_WATERMARK=1 along with FSR$_WATERMARK=1.
- When enabling winewayland, ENABLE_HDR_WSI=1 will also be set automatically if and Nvidia GPU is detected.
- Imported a number of commits from Proton-EM that implement FSR4 MLFG.
- Imported a number of commits from Proton-EM that implement better keyboard layout support and HDR under winewayland.
- Added WINE_BLOCK_HOSTS to provide a list of hosts for Wine to not connect to. The list can be either comma (,) or semicolon (;) separated, i.e WINE_BLOCK_HOSTS=host1.org,host2.net. The maximum number of hosts is 16 and the maximum length of each host is 256 characters.
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/82b2927
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251222

Version 10.0-20251126

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-202511025 (experimental-bleeding-edge-10.0-275645-20251126-p1c3998-wdefa42-d8d58ad-vcc9e5e to be exact).
- Fixed an issue with Resonite caused by the recently imported wine environment changes (#80)
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-275645-20251126-p1c3998-wdefa42-d8d58ad-vcc9e5e

Version 10.0-20251120

Proton (SLR and Native)
- Updated to the most recent Proton Experimental release 10.0-202511020.
- Fixed an issue that could cause Proton to crash when the Unix environment was too large (#73)
- Added the commits from upstream wine that fix Genshin Impact and Zenless Zone Zero high CPU usage again. This time Marvel's Rivals should not crash.
- Added a patch to fix Girls Frontline crashing on startup. Thanks to @NelloKudo.
- Added a convinience function in Proton that emulates DXVK/VKD3D_FRAME_RATE. It reads the value from the removed DXVK/VKD3D env variables, and applies it through DXVK_CONFIG. This is added as a convenience and I am not certain if it will remain.
- Added an umu.exe shim executable to start appliations with when using umu-launcher. It is derived from steam.exe but the Steam specific bits have been removed. It should stop Proton, and thus umu, from exiting prematurely in some cases after starting the target application.
- Updated dxvk-sarek, dxvk-gplasync and nvidia-libs in proton to check if their respective DLLs are available in the release before including them. This allows for selectively disabling them while testing llvm/arm64 builds. Accompaning options have been added in configure.sh to exclude them from a build. Our released builds still include them.
- Imported a few fixes to NTSync from upstream wine.
- Imported more commits from upstream Wine for d2d1, windowscodecs, vccorlib140.
- As usual, imported a couple of wayland-related updates from Proton-EM. This time around they should fix some keyboard input issues.
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/2b33f28
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251120

Version 10.0-20251107

Proton (SLR and Native)
- This is mostly an incremental update to the most recent Proton Experimental release 10.0-20251106b.
- Imported more commits from upstream Wine for d2d1, windowscodecs, vccorlib140 and msvcrt.
- As usual, imported a couple of wayland-related updates from Proton-EM.
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/5771780
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251106b

Version 10.0-20251023

Proton (SLR and Native)
- This is mostly an incremental update to the most recent Proton Experimental release.
- Removed a few more conflicting staging patches which have been superseded in upstream Proton/Wine.
- Removed dualsense related patches which have been superseded in upstream Proton/Wine.
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/c8e88a9
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251023

Version 10.0-20251017

Proton (SLR and Native)
- Added libpcap for the wpcap module in Wine.
- Added another alternative DXVK, dxvk-gplasync, at the requests of our friends at Dawn Winery. Enable using PROTON_DXVK_GPLASYNC=1.
- Imported patches to make Blue Protocol: Star Resonance to work. Thanks to Dawn Winery for the many sleepless nights spent on debugging and working out the issue.
- Imported windowscodecs commits from upstream wine. Might help with taking screenshots in some cases.
- Removed a few conflicting staging patches that have been superseded in upstream Wine. This also includes the "Hide wine version from applications" patch, as it shouldn't be needed by anything. If that's not the case, please report it by opening an issue.
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/596f977
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251017

Version 10.0-20251015

Proton (SLR and Native)
- Just a version bump of the base proton bleeding edge version.
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-255917-20251015-p30f753-w92e7a7-ddf74ab-v4ce928

Version 10.0-20251008

Proton (SLR and Native)
- Updated DXVK to fix issues with Elite Dangerous.
- Updated dxvk to https://github.com/doitsujin/dxvk/tree/df74ab52
- Updated vkd3d-proton to https://github.com/HansKristian-Work/vkd3d-proton/tree/4ce92864
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251006b

Version 10.0-20251007

Proton (SLR and Native)
- Removed a number of commits that reportedly caused issues with various games, such as Marvel's Rivals. This includes the one helping with Genshin Impact performance.
- Re-added DISABLE_LAYER_MESA_ANTI_LAG when using PROTON_FSR4_UPGRADE.
- Fixed an issue with nvidia-libs handling that resulted in nvcuda.dll missing from the prefix. This would cause DLSS Framegen to be unavailable on certain versions of nvngx_dlssg.dll shipped with games.
- Updated dxvk to https://github.com/doitsujin/dxvk/tree/55ca713b36f02dcab391df3f847d8713e6150d3e
- Updated vkd3d-proton to https://github.com/HansKristian-Work/vkd3d-proton/tree/abed356c7d6ac592641ed859b9a197b9f00266a0
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/898e3a8d16d180e2ca63ba7a9f750cea1fb45d51
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- None

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251006b

Version 10.0-20251006

Proton (SLR and Native)
- Imported a couple of commits from upstream wine to fix Genshin Impact performance. Thanks to @NelloKudo.
- Imported latest wayland-related commits from Proton-EM. They should fix dead keys when using winewayland.drv and DPI scaling. Thanks to @Etaash-mathamsetty.
- Added an override for umu to use steam.exe instead of start.exe when launching applications. This is required by certain anime games on Linux. Use UMU_USE_STEAM=1 to use this alternative path.
- Updated the default shader cache size for Mesa to 10GB when using PROTON_LOCAL_SHADER_CACHE=1.
- Updated nvidia-libs/nvcuda to https://github.com/SveSop/nvcuda/tree/d65952d3814453a91a7e4511ee0fd8203f3a416c
- Updated dxvk-sarek to https://github.com/pythonlover02/DXVK-Sarek/tree/8843c627ffb4a32f184d5ba8100cc31999918a64
- Updated protonfixes to https://github.com/open-wine-components/umu-protonfixes/tree/f7a576d59904936faa39b7ab1c9eb975d04d9aa9
Proton (SLR specific)
- None
Proton (Native specific)
- None
Wine (Standalone)
- Imported lsteamclient as a wine module from miniproton.

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20251006

Version 10.0-20250919

Proton (SLR and Native)
- DXVK is under heavy development at the moment of this release. DXVK and VKD3D-Proton have been updated to the latest version but issues might still arise. Reproduce any issues with Valve's Proton Experimental Bleeding Edge and report them upstream.
- Updated PROTON_(DLSS|XESS|FRS4|FSR3)_UPGRADE cache to hold the compressed archives instead of the extracted DLLs to reduce storage requirements. If you want to remove the old files, delete ~/.cache/protonfixes/upscalers directory, as they won't be automatically removed.
- The per-game cache is not enabled by default any more as it seemed to cause confusion. You can enable it using PROTON_LOCAL_SHADER_CACHE=1 if you want the previous behavior.
- Removed GST_GL_WINDOW=surfaceless when enabling Wayland as it is not as compatible as x11. If your game spawns an invisible window on the taskbar under Wayland when playing videos, you can use the previous value to get rid of it.
- Removed the temporary DISABLE_LAYER_MESA_ANTI_LAG flag when using FSR4 upgrade as Anti-Lag 2 should be working properly now. For information on why this was added in the first place refer to #47.
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/1cec05549e2af5cf454fa748a80b76714ef2e940.
Proton (SLR specific)
- None
Proton (Native specific)
- This release won't have a native package in CachyOS repositories or the AUR. The reason is that there is too much work-in-progress in DXVK that might cause breakages, and there isn't a user-friendly way to downgrade CachyOS or AUR packages.
- Despite the above, the source is present in the repository for anyone wanting to build it locally by modifying the existing PKGBUILD, or from my own repository here.
- Removed piper, openfst, kaldi and vosk from the build to reduce size and compile time as they were not linking correctly in the native build. They might be included again sometime in the future.
Wine (Standalone)
- Removed the "Disable hidraw/Enable SDL" patch as it breaks PlayStation glyphs in games with native DualSense support. You can still disable hidraw just like in Proton with PROTON_DISABLE_HIDRAW=1. Thanks to @NelloKudo.
- Imported upstream wine patches to enable wow64 on multilib builds using WINEARCH=wow64. Using wow64 should fix games that don't play videos due to missing lib32 ffmpeg and gst-plugins in Arch/CachyOS but also might cause issues with various applications and installers.

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20250919

Version 10.0-20250906

Proton (SLR and Native)
- Fixed PROTON_(DLSS|XESS|FRS4|FSR3)_UPGRADE to not download developement versions of upscaler DLLs. This also introduces checksum validation for the cached and installed DLLs.
- Fixed an issue with windows not focusing properly. This issue made winecfg and other similar windows unable to open drop-down menus and focus input fields.
- Fixed an issue (#52) with winewayland.drv not transitioning from windowed to fullscreen mode properly, with the resulting fullscreen window being offset from the top of the screen in some games. Thanks to @Etaash-mathamsetty.
Proton (SLR specific)
- None
Proton (Native specific)
- Removed piper, openfst, kaldi and vosk from the build to reduce size and compile time as they were not linking correctly in the native build. The might be included again sometime in the future.

Warning

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Note

For DXVK-Sarek specific options to tune its behavior refer to: https://github.com/pythonlover02/DXVK-Sarek?tab=readme-ov-file#shader-compilation

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-238230-20250905-p786576-w3f527f-d7cb8e5-v013d33

Version 10.0-20250905

Proton (SLR and Native)

Extended PROTON_(DLSS|XESS|FRS4|FSR3)_UPGRADE infrastructure to allow version selection and also cache downloaded DLLs.

Usage description
These options when set to `=1` will work as before, but they will download the latest available version, effectively providing automatic updates.
Furthermore, you can force the the version to download by providing it as the variable's value instead of `1`. For example at the time of writing the latest DLSS version is `310.4.0.0`, if you want to use an earlier version you can do so by setting `PROTON_DLSS_UPGRADE="310.3.0.0"`. You can also write the version partially, and the latest version that matches will be used, i.e. `PROTON_DLSS_UPGRADE="310.2"` will download version `310.2.1.0`.
For FSR4, `PROTON_FSR4_UPRGRADE=1` will download `4.0.2` by default, and `PROTON_FSR4_RDNA3_UPRGRADE=1` will download `4.0.0`. You can override the version in both cases as described above. For example, `PROTON_FSR4_UPRGRADE="4.0.0"` will use `4.0.0` and `PROTON_FSR4_RDNA3_UPRGRADE="4.0.2"` will force `4.0.2` to be used.
Note: Some DLLs, for example the ones for XeSS and FSR3 do not have consistent versions. In this case the one that matches the specified version will be downloaded and the latest version will be downloaded for the remaining ones.
The downloaded DLLs are cached under `~/.cache/protonfixes/upscalers` and depending on options and usage they might require a considerable amount of storage (~500MB).

Increased the per-game shader cache size for Nvidia to 10GiB and added __GL_SHADER_DISK_CACHE_SKIP_CLEANUP=1 to the effective environment.
Imported updates to amdxc64.dll from Proton-EM.
Added PROTON_FSR4_INDICATOR to enable the FSR4 watermark. This doesn't do anything different from FSR4_WATERMARK from Proton-EM, it just looked more in-line with the existing options.
Updated nvidia-libs/nvcuda and nvidia-libs/nvenc libraries to the latest version.
Re-enabled asf plugins for gst-bad and gst-ugly, might fix some videos not playing.
Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/93726321988ac2420ac7535d69972a23f0b2a40a
Imported wayland-related commits from upstream wine.

Proton (SLR specific)
- None
Proton (Native specific)
- None

Warning

This release introduces a x86_64_v4 package. This package is largely untested and experimental. It may exhibit issues and or completely refuse to work. Use at your own discretion and report issues here only.

Note

For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Note

For FSR4 related documentation, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/FSR4.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-238230-20250905-p786576-w3f527f-d7cb8e5-v013d33

Version 10.0-20250820

Proton (SLR and Native)
- This is a re-relese of 10.0-20250819 with some fixes.
- Disable AMD Anti-Lag 2 temporarily when PROTON_FSR4_(RDNA3_)UPGRADE is used, there are currently issues when both are enabled.
- Imported wayland-related commits from upstream wine. Might fix The Finals when winewayland is enabled.
- Imported updates to amdxc64.dll from Proton-EM.
Proton (SLR specific)
- None
Proton (Native specific)
- None

Note: For wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20250819

Version 10.0-20250819

Proton (SLR and Native)
- This is a re-release of 10.0-20250807 re-based on top of experimental-10.0-20250819 with some additional features and fixes.
- The _ntsync branch has been merged for this release as part of the main branch. Disabled by default. Note: To use NTSync you have to set PROTON_USE_NTSYNC=1. Do not trust Mangohud's indicator, it falsely reports that it is using NTSync without this environment variable while in reality it's using FSync/ESync. Verify with lsof /dev/ntsync. This is not the same patchset as in Proton-GE/Proton-EM, it's compatibility might differ.
- Added dxvk-sarek as an optional DXVK replacement for older GPUs that don't properly support Vulkan 1.3. It is using the async branch, so it SHOULD NOT to be used with games using anti-cheat or multiplayer games in general. You have been warned. Use PROTON_DXVK_SAREK=1 to enable.
- Fixed an issue with PROTON_NVIDIA_LIBS causing games to hang if it was enabled and then disabled.
- Skip cache cleanup on NVIDIA for per-game shader caches.
- Allow DXVK_NVAPI_DRS_SETTINGS to be overridden by the environment when PROTON_DLSS_UPGRADE is used.
- Changed how upscaler DLL replacement works to allow for multiple of PROTON_FSR4|FSR3|DLSS|XESS_UPGRADE to work simultaneously. This is meant to accommodate software such as Optiscaler to find updated DLLs for different upscalers at the same time.
- Added PROTON_FSR3_UPGRADE to upgrade FSR 3.1 DLLs to newer versions.
- Did the usual video/audio codec whack-a-mole again, some things might work, some things might break. C' est la vie.
- Added PROTON_MEDIA_USE_GST and PROTON_GST_VIDEO_ORIENTATION from Proton-GE to support fixes for videos with the wrong orientation.
- Imported a few upstream commits.
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/a19a272f9df3a56019b8b2914e610de4cc841087
Proton (SLR specific)
- None
Proton (Native specific)
- None

Note: For Wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20250819

Version 10.0-20250807

Proton (SLR and Native)
- Added downloader for XeSS dlls (version 2.1.0), similar to the DLSS downloader. Use PROTON_XESS_UPGRADE=1 environment variable to enable it.
- Added PROTON_FSR4_RDNA3_UPGRADE for RDNA3 GPUs. Does the same thing as PROTON_FSR4_UPGRADE but also sets some other necessary variables.
- Added completer implementations of Nvidia libraries missing from Proton. Should help with enabling options such as PhysX on games they were disabled before. These Nvidia libraries were integrated from https://github.com/SveSop/nvidia-libs. To enable them use PROTON_NVIDIA_LIBS=1. You can also enable them individually using PROTON_NVIDIA_NVCUDA, PROTON_NVIDIA_NVENC, PROTON_NVIDIA_NVML and PROTON_NVIDIA_NVOPTIX. These are incompatible with wow64 and thus disabled when PROTON_USE_WOW64=1 is set.
  
  Important: If you are using RTX series 4000 or 5000 GPUs you might encounter bad performance or crashes when enabling these with 32bit games. UsePROTON_NVIDIA_LIBS_NO_32BIT=1 with any of the options above to disable the 32bit and use the 64bit libraries only. Some 32bit games on RTX 4000 and above might still exhibit bad performance with these libraries enabled, e.g. Mirror's Edge.
  
  Note: It is advised that you report issues with these libraries in their respective issue trackers, nvcuda, nvenc, wine-nvml and wine-nvoptix. If you don't know what is causing the problem, feel free to open an issue in proton-cachyos instead.
- Added per-game shader cache, enabled by default, can be disabled with PROTON_LOCAL_SHADER_CACHE=0. Shaders will be cached under <steamlibrary>/shadercache/<appid> for each game, similarly to when shader pre-caching is enabled. You will get stuttering as the shader cache for each game is rebuilt but the cached shaders won't be evicted due to limited cache size.
- Ensured that the codecs in FFmpeg match what Valve has enabled in theirs. We still enable more but now we should not miss any by chance.
- Disabled codecalpha from gst-bad which was causing issues with some games with WebM videos when Wine is built with FFmpeg, and re-enabled winedmo.
- Imported wayland related commits from Proton-EM (up to EM-10.0-2B).
- Imported a few upstream commits.
- Fix protonfixes not de-symlinking prefix files properly. Should fix issues with installing some winetricks verbs.
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/5cdfd3608d513bc9ff9c2d1a642ebd85687fbc1e
Proton (SLR specific)
- None
Proton (Native specific)
- None

Note: There is a testing version with NTSync available here:

To use NTSync you have to set PROTON_USE_NTSYNC=1. Do not trust mangohud's indicator, it falsely reports that it is using NTSync without this environment variable while in reality it's using FSync/ESync. Verify with lsof /dev/ntsync. We want to be certain it doesn't cause regressions hence we are not including it with in the main packages. This is not the same patchset as in Proton-GE/Proton-EM, it's compatibility might differ.

Note: For wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-228005-20250807-p29548f-w253fb0-d835e98c-vb72e62

Version 10.0-20250714

Proton (SLR and Native)
- Added downloader for DLSS dlls (version 310.3.0), similar to the FSR4 downloader. Use PROTON_DLSS_UPGRADE=1 environment variable to enable it.
- Added PROTON_DLSS_INDICATOR=1 environment variable to enable DLSS hud.
- Reverted PROTON_FSR4_UPGRADE=1 downloader to install version 4.0.0 of amdxcffx64.dll.
- Imported wayland related commits from Proton-EM.
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/cf8d5a2ef83d09f84ba4fa475b01b889d97f6300
Proton (SLR specific)
- None
Proton (Native specific)
- None

Note: There is a testing version with NTSync available here: https://share.cachyos.org/proton/proton-cachyos-10.0-20250714-ntsync-slr.tar.xz To use NTSync you have to set PROTON_USE_NTSYNC=1. Do not trust mangohud's indicator, it falsely reports that it is using NTSync without this environment variable while in reality it's using FSync/ESync. Verify with lsof /dev/ntsync. We want to be certain it doesn't cause regressions hence we are not including it with in the main packages. This is not the same patch-set as in Proton-GE/Proton-EM, it's compatibility might differ.

For wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-220315-20250715-pe2a550-wef1fe3-d614d6a-v6f32f6

Version 10.0-20250702

Proton (SLR and Native)
- Imported upstream wine commits for wayland.
- Added a missing patch for Vanguard: Saga of Heroes.
- Updated amdxcffx64.dll downloader to install version 4.0.1.
- Added patches for AMD's Anti Lag 2 for vkd3d-proton and wine. Requires patched Mesa.
- Added PROTON_ENABLE_MEDIACONV env variable to enable proton mediaconverter. Mostly for testing purposes.
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/4d51fad0b5f897a87d46cf69a8bf53fa0a0df48b
- Added patch for protonfixes to use vcrun2022 instead of vcrun2019. Fixes winetricks forcing Windows 7 as the version of the prefix.
Proton (SLR specific)
- Revert to -O2 (the default) instead of -O3. It wasn't an issue for the SLR build but prefer to have less variance between builds.
Proton (Native specific)
- None

For wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-215098-20250702-pefce1a-wf6650a-deb0d67-v3a3642

Version 10.0-20250623

Proton (SLR and Native)
- Imported wayland specific patches from Proton-EM. Thanks to Etaash-mathamsetty.
- Imported upstream patches for d2d1 since wine-10.0. Fixes "Sickly Days and Summer Traces". Thanks to R1kaB3rN.
- Imported more upstream commits relating to wayland.
- Added patches to help with better anticheat integration. Thanks to NelloKudo et al.
- Added automatic download for amdxcffx64.dll using PROTON_FSR4_UPGRADE.
- Disabled winedmo (ffmpeg) for Wine. Fixes crash in Devil May Cry HD Collection.
Proton (SLR specific)
- None
Proton (Native specific)
- None

For wayland specific flags and options, please refer to: https://github.com/Etaash-mathamsetty/Proton/blob/em-10/docs/EM-ADDITIONS.md

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-211434-20250623-p534f89-w293d64-de4989d-v59e50c

Version 10.0-20250605

Proton (SLR and Native)
- Disable proton media converter by default in Wine. We ship more than enough codecs to not need it. This affects standalone Wine mostly, since in Proton it was already being disabled through the related environment variables.
- Set GST_GL_WINDOW to surfaceless instead of x11 in Wine. Again, mostly affects standalone Wine.
- Update wayland specific patches.
Proton (SLR specific)
- None
Proton (Native specific)
- None

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-206012-20250606-pc3a07e-wac8f23-d09e4bc-v4a0688

Version 10.0-20250601

Proton (SLR and Native)
- FFmpeg has been bumped from 6.1.2 to 7.1.1
- Every decoder, demuxer, parser, filter has been enabled in FFmpeg
- GStreamer and gst-plugins have been bumped to 1.26.1
- Updated protonfixes to https://github.com/Open-Wine-Components/umu-protonfixes/commit/50a611291caf0527b89dc55602afe66070d6c544
- Imported new Wayland related patches from Proton-EM-10.0-19
- Ignore steam input virtual controller when PROTON_PREFER_SDL is set (thanks to Etaash-mathamsetty)
Proton (SLR specific)
- None
Proton (Native specific)
- Build openfst,kaldi,vosk,piper for native version again (they are still not found while building, so no support in wine yet)
- Clean up Steam's default Scout environment when using the native version of proton-cachyos

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-204012-20250601-pdce981-w6a4d0d-d4f47cb-vf96654

Version 10.0-20250520

Proton
- Enable application-specific workarounds when using the Wayland driver by default
- Remove media converter from winedmo and reenable FFmpeg for Wine, bump it to 6.1.2.
- Import patches from Proton-EM to disable mouse acceleration, enable touchpad scrolling, and handling of rotated screens.
- Revert to using Valve's Sniper SDK since we do not need to build python-xlib presently, and for transparency.

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-199576-20250520-p6aacad-w900d43-d61b91e-v7e829e

Version 10.0-20250515

Proton
- HDR is NOT enabled by default with Wayland any more, use PROTON_ENABLE_HDR=1 to enable when enabling Wayland.
- Added wayland-specific command line arguments for various launchers under wayland. Thanks Etaash-mathamsetty
- Added patches to use system cursor shapes when possible. MR: https://gitlab.winehq.org/wine/wine/-/merge_requests/7678
- Fix issue with libvkd3d related crashes in UnderRail.
- Fix issue with libvkd3d missing from the default prefix in the native version.
- Fix issue with libxkbcommon trying to install bash completion related files to the host while building.
- Use UMU SDK to build the Steam Linux Runtime version

Base: https://github.com/ValveSoftware/Proton/tree/experimental-bleeding-edge-10.0-198042-20250515-pba2272-w88783e-de9eff9-vb57878

Version 10.0-20250509

Proton
- Rebased almost all patches from Proton Cachyos 9.0.
- Enabled the Wayland driver for the Steam Linux Runtime builds too. Enable with PROTON_ENABLE_WAYLAND=1. Thanks to GloriousEggroll for making it happen.
- Added a lot of Wayland related patches from upstream wine that happened after the release of wine-10.0
- Fixed various issues with the Wayland driver and Vulkan games. Thanks to Etaash-mathamsetty for all the hard work.
- Added a stub implementation for amdxc64.dll to enable FSR4. Use FSR4_UPGRADE=1 to upgrade FSR3.1 games to FSR4. Again thanks to Etaash-mathamsetty. Instructions: https://github.com/Etaash-mathamsetty/wine-builds/releases/tag/fsr4
- Added DualSense related patches for more complete audio device detection functionality for wired sound-based haptics. Some games that relied on that specific behaviour should now have that functional. Thanks to ClearlyClaire for the original patches and Exotic0015 for looking into it since Proton Cachyos 9.0. Upstream: https://gitlab.winehq.org/wine/wine/-/merge_requests/7238
- Removed the Dragon Age Inquisition patch as it was not working. Please use Proton-Cachyos 9.0 for now with that game.
- Updated the NTSync branch to Proton 10.0. Thanks to whrvt. No, NTSync is not merged into Proton-CachyOS yet, sorry.
- Thanks to everyone on the CachyOS Discord server who provided testing while working on this. And special thanks to the people mentioned above and NelloKudo for sharing the workload.

Base: https://github.com/ValveSoftware/Proton/tree/experimental-10.0-20250509

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