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Proton GE, the community-made version of Proton with a bunch of enhancements has a new release out with Proton-6.13-GE-1 pulling in a bunch of advanced features and fixes.

If you're not clear on what Proton and Steam Play are, be sure to check out our constantly updated dedicated page. It's a special compatibility layer for running Windows games and apps from Steam on Linux. Proton GE is not affiliated with Valve/Steam, it also has less quality assurance versus the official Proton but often ends up with special game fixes quicker.

Proton-6.13-GE-1 pulls in support for AMD FidelityFX Super Resolution (FSR) directly into Proton, based upon a patch by developer Georg Lehmann. So with Proton GE you can now add WINE_FULLSCREEN_FSR=1 %command% as a launch option for a game on Steam and get FSR which is pretty great. Unlike games that support it directly, it's applied after the fact here since Proton as a whole is a compatibility layer so it will affect the UI too. Still, FSR for any Windows game played on Linux with Proton sounds awesome.

This release also adds in support for vkd3d/dx12 Resizable BAR patches which you can enable with VKD3D_CONFIG=upload_hvv, this could result in performance improvements.

Here's what else is new:

  • FFXIV launcher workaround updated (previously used BrowserType, needed Browser instead)
  • Rebased proton SDL gamepad patches on top of staging. Fixes various controller mapping issues and force feedback issues
  • Steam input profiles now work again due to SDL patch update
  • Warframe 5 minute no-controller crash is properly fixed now, steamclient patch is no longer needed finally
  • Guilty Gear Strive 2 player mode works with two controllers now
  • Grand Theft Auto V save on exit is fixed
  • Swords of Legends launcher is fixed
  • Resident Evil 8 crash fixed (it was crashing after they updated the game with FSR)
  • Font fixes imported from proton upstream
  • DXVK updated
  • vkd3d updated
  • FAudio updated
  • Wine-mono updated to 6.2.2

To use it here's what you do:

  1. Download the Proton-6.13-GE-1.tar.gz file from the release notes.
  2. If this folder does not exist, create it:~/.steam/root/compatibilitytools.d/
  3. Extract the archive downloaded in Step 1, and place the contents into the above directory.
  4. Restart Steam if it's open which refreshes the Steam Play list for Proton-6.13-GE-1 to show up.
  5. Right click on your game, go to Properties, Compatibility and ensure the box is ticked named "Force the use of a specific Steam Play compatibility tool" then select it from the dropdown box that appears.

As a reminder, if you didn't see it, as of a recent version of Proton GE you may need to remove current game prefixes setup by it to allow the games to work properly. More on that in the previous article with instructions on how to do so.

Article taken from GamingOnLinux.com.
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. Find me on Mastodon.
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Murray Jul 28, 2021
Cyberpunk runs silky-smooth with this.
TheRiddick Jul 28, 2021
Finally managed to fix my star citizen and fsr, unfortunately it doesn't help the game. Star Citizen has DEEP DOWN issues in its core, even changing dramatically between low res and high res yields same framerate performance, and CPU isn't pegged.

Games got 10yrs of optimization ahead of it!
Derheim Jul 28, 2021
I tried this version of ProtonGE with Monster Hunter World + FSR, I got to say I'm starting to believe in that thing.

Amazing time to be a Linux gamer.

Last edited by Derheim on 29 July 2021 at 3:09 pm UTC
scirocco Jul 30, 2021
This proton release feels like magic, games that ran at 10 fps or lower and was not playable for me at all, all of a sudden runs better then native linux versions of the games, I guess it was a Nvidia thing, now everything runs great. I can all of a sudden run deathstranding at 4k and never drop below 60 fps, I used to run it at 1080p to be able to not drop below 60. And thats without fsr. Last epoch was running at like 10 fps with proton, now it runs a little better then the native version, and mutch mutch smoother then the native version.
Torqachu Jul 31, 2021
I cannot use any version of proton above 5.0-10 (including ge version).
No errors just nothing starts.

Is my hardware too old?
How can I investigate the problem?
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