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Valve are now offering a chance to test a beta of the next version of Proton in their Steam Play system.

As a reminder: Steam Play is the system built into the Linux version of the Steam client to allow you to play Windows games on Linux. Compatibility varies from game to game, you can see the current titles that Valve have whitelisted in their original announcement.

You can track the changelog here. As for what Proton 3.7-4 has: support for Python 3, DXVK updated to v0.70, better keyboard focus for those on GNOME Shell, controllers hopefully no longer causing long delays on startup and more. Seems like a pretty good update and it's going to be fun to watch it progress.

Actually getting it show up is a little finicky. It didn't seem to appear until after I started a Steam Play title and then restarting Steam, so hopefully they will improve that over time too.

Article taken from GamingOnLinux.com.
Tags: Proton, Beta, Steam, Valve
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Shmerl Aug 26, 2018
Quoting: KimyrielleSo...

What do people think is the better choice to run Windows games now? regular WINE? Staging? Proton?

I use Wine with whatever is needed like dxvk and etc. Proton is too Steam specific.


Last edited by Shmerl on 26 August 2018 at 2:52 am UTC
ageres Aug 26, 2018
Quoting: jardonAm I the only one that hasnt gotten a controller to work in any proton game? In general my controller(s) working is hit or miss. I've tried 360 controllers, PS4, and Steam controllers.
Try to launch Steam in Big Picture Mode. Prey (the new one) recognizes my Steam controller (but no others) only if launched from BPM. I have no problem with controllers in other games though.
dvd Aug 26, 2018
In the original message i read this: "Steam Play whitelisted games will not be offered for purchase or marked as supported on Linux on the Store during the initial Beta period."

Does this mean that after the beta there won't be any indicator to distinguish these wine games from properly supported game? I wouldn't want to buy such games full price, and this will probably make me ditch steam...
Cyba.Cowboy Aug 26, 2018
So this Steam Play via WINE thing, is it an upcoming feature? Any idea when Valve Software plan on rolling this out to the "mainstream" (non-beta) client?
Lolo01 Aug 26, 2018
Quoting: pb
Quoting: Lolo01I would like to try this beta version, but Steam is downloading again all the Windows games already installed...

Are you sure those are not 0b downloads? Because that's what happens to me with every (re)start of the steam client - suddenly I have a couple dozens of 0b "downloads" of the games installed with proton - I attribute it to behind-the-scenes configuration changes and maybe shader caches, but it sure is annoying.

3 times 15Gb don't need same time as 0b download, so yes i'm sure ;)

Just launched Steam this morning and the same games are downloading fully again !!!


Last edited by Lolo01 on 26 August 2018 at 7:57 am UTC
mike44 Aug 26, 2018
Flight Sim World still crashes with no DX11 device
SuperGrip Aug 26, 2018
The beta to the beta update fixed the no sound issues in a couple of old games.
Gobo Aug 26, 2018
Pardon me stating the obvious, but here it goes: if a game has an alternative, native client available, use that instead of running the game through Proton. Take Descent 1 and 2 for example, they both run quite flawlessly with Proton, but that just uses Wine to fire up a Windows Dosbox to finally run the game. And that limits you to the features that were in the original release.

To make the game count as a Linux purchase, this is the way to go, at least for the first few hours. But if you already owned the game for a long time, only download/install the game using Proton, then copy over Ports like DX-Rebirth to enable *lots* of improvements compared to the original version.
MayeulC Aug 26, 2018
Quoting: elmapuli just wish we could find an way to stop using MS code entirely, even if we arent using the windows kernel and windows, we are still runing direct X and its libraries
Technically, we are just using the APIs. The Direct 3D library isn't the one from Microsoft, but the one that has been implemented in wine/DXVK. So enjoy your Microsoft-free code!

Quoting: dvdIn the original message i read this: "Steam Play whitelisted games will not be offered for purchase or marked as supported on Linux on the Store during the initial Beta period."

Does this mean that after the beta there won't be any indicator to distinguish these wine games from properly supported game? I wouldn't want to buy such games full price, and this will probably make me ditch steam...
Interesting find, thanks for sharing! I disagree on the second part, though. It is still be properly supported by valve, in theory. And they will probably make it a tiny bit different (like the OS logo right to SteamPlay, instead of left).
That also reminds me that platform-specific purchases might come to an end with this.

Quoting: Lolo01
Quoting: pb
Quoting: Lolo01I would like to try this beta version, but Steam is downloading again all the Windows games already installed...

Are you sure those are not 0b downloads? Because that's what happens to me with every (re)start of the steam client - suddenly I have a couple dozens of 0b "downloads" of the games installed with proton - I attribute it to behind-the-scenes configuration changes and maybe shader caches, but it sure is annoying.

3 times 15Gb don't need same time as 0b download, so yes i'm sure ;)

Just launched Steam this morning and the same games are downloading fully again !!!

For me, when proton updates, all games show up in the update queue, and indicate the weight of the Proton update (350MiB), but that is only really downloaded once.


Last edited by MayeulC on 26 August 2018 at 9:08 am UTC
Strykai Aug 26, 2018
I've got Subnautica with -force-glcore45 as a launch option and med settings for graphics, and Space Beast Terror Fright working so far with Steam Play Proton 3.7-4 Beta!
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