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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.

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101 comments
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cRaZy-bisCuiT Aug 27, 2018
How could I stop a game installing dependencies again and again on every Start and finally not launching? I have this problem with Age of Mythology: Extended e.g.
PS: Is there any info if Valve plans to fix problems caused by launchers by avoiding them and start the game directly?


Last edited by cRaZy-bisCuiT on 27 August 2018 at 11:05 am UTC
Lolo01 Aug 27, 2018
Quoting: leillo1975Tested with 4.18.5, and this is not the problem, the game persists in don't work

Doesn't work for me with Proton 3.7-3, but it does with 3.7-4 beta on LinuxMint 19 (4.18) - Mesa 18.1.6
slaapliedje Aug 27, 2018
Quoting: MayeulC
Quoting: jardonController issues

Interesting to read that your controller works with BP but not with games. Is your system updated? What distribution? Have you tried another one [or a Steam flatpak]? What kernel version? Have you tried both with and without the Steam Runtime? Did you disable the Steam overlay? Did you open an issue on Valve's Github? Is it a nonstandard controller?

That's all I can think of in the top of my head :)
Forgot to check
ls -l /dev/uinput
I've found if those permissions aren't right, most games won't work but BP will.
lovelycuppatea Aug 27, 2018
waiting for a Proton bundle from humble bundle or one of the others... it will come.
pb Aug 27, 2018
Quoting: lovelycuppateawaiting for a Proton bundle from humble bundle or one of the others... it will come.

The Humble SteamPlay ReBundle of the Broken Humble Indie Bundle Promises
NeoTrantor Aug 28, 2018
This is so incredibly great! Many titles are already working and the project just started! I'm really excited how this will develop but i'm sure it will change a lot in the (linux-)gaming scene.
Nanobang Aug 28, 2018
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Ho. Lee. Fuck.

I've been on vacation for a week where the wireless was so shite I just gave up trying. This morning I read about Steam Play and Proton, so I'm just now arriving to the dumbstruck party.

This is the bridge we've been needing to get past the "small market share vs. more AAA titles" issue. This will let the Windows escapees leave at last. This will let me buy and play many titles (Nier: Automata, por exemplo) without feeling guilty about it counting as a Windows sale.

This is the biggest news to hit Linux gaming since Valve announced SteamOS.

I feel like I'm gonna cry.

They are going to get so much money from me in the coming year.


Last edited by Nanobang on 28 August 2018 at 1:01 pm UTC
slaapliedje Aug 28, 2018
Quoting: NanobangHo. Lee. Fuck.

I've been on vacation for a week where the wireless was so shite I just gave up trying. This morning I read about Steam Play and Proton, so I'm just now arriving to the dumbstruck party.

This is the bridge we've been needing to get past the "small market share vs. more AAA titles" issue. This will let the Windows escapees leave at last. This will let me buy and play many titles (Nier: Automata, por exemplo) without feeling guilty about it counting as a Windows sale.

This is the biggest news to hit Linux gaming since Valve announced SteamOS.

I feel like I'm gonna cry.

They are going to get so much money from me in the coming year.
I was going to say this is the first time Wine has been incorporated into a commercial product, but I guess that's not true, since there are several wrapped binaries out there, and Crossover's stuff.

But yeah, pretty exciting. I need faster bandwidth, then I'd help testing with my decently sized library. But unfortunately it took me hours to download Marvel vs. Capcom: Infinite and it wouldn't even start. 51GB download for nothing...
g000h Aug 29, 2018
Well, Valve have updated my Steam client to the Proton-enabled version already. I hadn't jumped ship onto the Beta release, like many others here did. I was thinking: Okay, time to install DOOM (which I own already). But then, it is late at night, and we all know it works.

One game I really really wanted on Linux was The Legend Of Grimrock II which was released to Windows only. I played and completed the first game in the series, The Legend Of Grimrock, natively on Linux. Why oh why did they not release the second on Linux?

Well, it is a relatively small install, not much more than 1GB hard drive space. Installed it, played it for an hour, no glitches, all working beautifully. Wow! This is less than a week after Valve released the Proton (WINE incorporated into Steam) tech as a Beta. Now I'm playing a Windows game with it in the Official Steam client (for Linux).

Big Thumbs Up!!!!! :)
Comandante Ñoñardo Aug 29, 2018
Thanks for the new, g000h!
I didn't know that Proton was included in the official Steam Client... That means only one thing: It's working!
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