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The Proton compatibility layer used with Steam Play on Linux has a brand new release out with Proton 5.13-2. This release follows on from some Release Candidate builds earlier this week, to clean up some issues after the big initial Proton 5.13-1 release that went up in the middle of October.

Need more info on Steam Play and Proton? Check out our dedicated area for it.

Here's what's changed in the Proton 5.13-2 release:

  • Updated vkd3d-proton to version 2.0, which improves Direct3D 12 support.
  • Fixed Risk of Rain 2 multiplayer lobbies.
  • Fixed Killer Instinct crash when battle ends.
  • Fixed Assetto Corsa Competizione and Summer Funland in VR mode.
  • Fixed games not launching in Uplay Connect, and Origin crashing when updating.
  • Fixed mouse cursor in Mount & Blade II: Bannerlord.
  • Fixed SpellForce crash on launch on some systems.
  • Fixed very long load times in Warhammer 40k: Inquisitor - Martyr.
  • Atelier Ryza: Ever Darkness & the Secret Hideout is playable again.
  • Fixed Healer's Quest and Coloring Game 2 on AMD.
  • Scaled resolution now functional for Middle Earth: Shadow of War.
  • Restore behavior of horizontal scrolling input from previous Proton versions.
  • Proton log directory can now be configured with PROTON_LOG_DIR.

Full changelog can be seen here

While Valve, CodeWeavers and Collabora all work together through contracts to make things better there's still a number of known issues right now including:

  • Controller hot-plugging doesn't work
  • System-wide Vulkan layers like MangoHUD or vkBasalt don't work
  • Using a custom per-game driver (like with VK_ICD_FILENAMES or LIBGL_DRIVERS_PATH) doesn't work
  • User hooks like LD_PRELOAD (like for MangoHUD OpenGL) don't work
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24 comments
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stan 14 Nov, 2020
  • Supporter
Quoting: LinuxGamesTVWhere you did install your games? If in "/usr/" it won't work’s
No, not there, just in regular data drives mounted in /mnt/.
Running Steam from the terminal I found that it needs a "bwrap" binary, which is from the "bubblewrap" package on Gentoo. I installed that and it now progresses a bit further but still fails running the game with a few error messages:

/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so: undefined symbol: g_type_ensure
Failed to load module: /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so


pid 15081 != 15079, skipping destruction (fork without exec?)
pid 15089 != 15079, skipping destruction (fork without exec?)


Numerous:
>>> Adding process 15137 for game ID 774861

[S_API] SteamAPI_Init(): SteamAPI_IsSteamRunning() did not locate a running instance of Steam.
[S_API FAIL] SteamAPI_Init() failed
STiAT 14 Nov, 2020
Fixed mouse cursor in Mount & Blade II: Bannerlord.

Yeey!
Whitewolfe80 15 Nov, 2020
Quoting: mylkacant they just merge mangohud/afterburner into steam for all clients?

Well they would probably argue they are focused on performance and compatability rather than tracking fps for benchmark videos
LinuxGamesTV 15 Nov, 2020
@stan maybe you should ask in the Proton Bugtracker on Github.

I had problems with Proton 5.13, too but now it works.
alejandro-bringas 15 Nov, 2020
Quoting: seveni hope resident evil 2 is fixed

VKD3D 2.0 fixed RE2 and 3
robredz 15 Nov, 2020
Postal 4 Janky Alpha runs fine now, previous version sound stopped working is fine now. question is what will the drivers be like with ray tracing as it becomes more common, given Nvidia and AMD will have different approaches? and will an AMD Big Navi have decent Linux drivers given many might buy AMD and give up on RTX 30XX due to lack of availability.
ronimc 15 Nov, 2020
Quoting: stanStill broken for me, games don’t launch at all with 5.13.
Uninstall the game. (Ex: Killer instinct and delete the folder on compatdata 577940). Reinstall the game. It worked with Killer instinct, Mortal Kombat 10 for me. Injustice 2 only worked after doing this using Proton-5.9-GE-7-ST.
CatKiller 15 Nov, 2020
Quoting: robredzquestion is what will the drivers be like with ray tracing as it becomes more common, given Nvidia and AMD will have different approaches?

Nvidia and AMD (and Intel) will have the same approach: vendor-neutral DX12 or vendor-neutral Vulkan (when Khronos and the Khronos stakeholders get round to finalising it).

The Nvidia-specific Vulkan extension was a proof-of-concept and a base to work from. Windows and Linux games that use it will continue to work on Nvidia hardware. I believe that's currently two.

Games that use DX12 for ray tracing won't work on Linux at least until the vendor-neutral Vulkan extension is finalised. The VKD3D people have already said that they have no interest in translating to the Nvidia-specific one, plus they've got other things that take up their time. There may well be a delay between the extension being finalised and them getting round to doing the translation.

They've also said that they don't have any interest (and it's likely behind an NDA even if they wanted to) in implementing DLSS, which helps performance. Maybe if there's an open standard for AI-assisted upscaling that becomes popular with game devs they'll implement that. Nvidia could contribute DLSS in the open if they wanted to. Or at least contribute enough so that they can use the (proprietary) library that comes with their drivers.
stan 15 Nov, 2020
  • Supporter
Quoting: ronimc
Quoting: stanStill broken for me, games don’t launch at all with 5.13.
Uninstall the game. (Ex: Killer instinct and delete the folder on compatdata 577940). Reinstall the game. It worked with Killer instinct, Mortal Kombat 10 for me. Injustice 2 only worked after doing this using Proton-5.9-GE-7-ST.
Thanks for the suggestion but I think my problem is different. Besides the missing bubblewrap issue, I also found a bug report saying that Proton 5.13 doesn’t work when ~/.steam is a symlink, which is the case here.

I’m working on cleaning that mess and hopefully it will fix the issue. I have a couple hundred games installed in ~/.steam and I’m moving them one by one at the moment. There’s probably a better way to do it but I’m not sure if there is other stuff to move besides what’s in SteamApps/common so I prefer to do it the "clean" way…
LinuxGamesTV 15 Nov, 2020
Quoting: stan...
Thanks for the suggestion…

Same here, but my games was installed in "/usr/local/games/Steam". Now they are in "/opt/Games/Steam" and i have 5 TB Steam games installed.


Last edited by LinuxGamesTV on 15 November 2020 at 8:54 pm UTC
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