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Proton GE compatibility layer has a big new release up

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Proton GE, the community-built fork of the Proton compatibility layer for Linux has a big new release out.

Need a quick reminder? Wine is a compatibility layer that can help to run Windows apps and games on Linux. Valve have their own version called Proton which is included with the Linux Steam Client in Steam Play, and Proton GE is a special version of it built by user "GloriousEggroll". Why use it? You might find certain games need adjustments not currently in the official Proton and Proton GE can make them run "out of the box".

Proton-5.9-GE-3-ST is the brand new release aimed to now be the stable Proton GE release. It pulls in tons of fixes to help various Windows games run on Linux including GTA V, Metal Gear Solid V: Ground Zeroes, Planet Zoo, Jurassic World: Evolution, Origin client fixes and much more.

You can find the release on GitHub. If you wish to install it into Steam, the process is quite simple as Steam auto-detects new tools added for Steam Play as long as you put them in the right folder. For normal Steam use you can download the release build of Proton GE (Proton-5.9-GE-3-ST.tar.gz) and extract it into here:

~/.steam/root/compatibilitytools.d/Create the folder if it doesn't exist.

Then reboot Steam for it to show up as an option to force on a game. More info on the Proton GE GitHub.

Article taken from GamingOnLinux.com.
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25 comments
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ageres 6 Jul, 2020
There is proton-ge-custom-updater that checks if an update is available, downloads it, unpacks and deletes the downloaded archive.


Last edited by ageres on 6 July 2020 at 11:10 am UTC
TheSHEEEP 6 Jul, 2020
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Quoting: ageresThere is proton-ge-custom-updater that checks if an update is available, downloads it, unpacks and delete the downloaded archive.
That's really helpful!

What's the relation between GE and Valve? I really do wonder why some of these fixes are in GE but not the official Proton.
Beamboom 6 Jul, 2020
I really wish GloriousEggroll would join forces with the Valve efforts instead of operating on the side. I try avoiding to do more "custom modifications" to my system than absolutely necessary. It's such a nightmare whenever I do a new fresh install.


Last edited by Beamboom on 6 July 2020 at 11:27 am UTC
Brisse 6 Jul, 2020
Quoting: BeamboomI really wish GloriousEggroll would join forces with the Valve efforts instead of operating on the side. I try avoiding to do more "custom modifications" to my system than absolutely necessary. It's such a nightmare whenever I do a new fresh install.

Doesn't some of these contributions trickle back into the official version whenever possible though?
ageres 6 Jul, 2020
Quoting: BeamboomI really wish GloriousEggroll would join forces with the Valve efforts instead of operating on the side.
I don't think it's possible. GE uses some not-so-legal tweaks and Windows files, Valve moderators on GitHub even remove every mention of GE from Proton issues.
Quoting: BeamboomI try avoiding to do more "custom modifications" to my system than absolutely necessary.
Proton-GE doesn't affect the OS, it's just one folder Steam uses to create another folder with a game's wineprefix. Delete it, and it's gone. I also use Boxtron for playing DOS games on Steam, quite handy.
t3g 6 Jul, 2020
Quoting: ageres
Quoting: BeamboomI really wish GloriousEggroll would join forces with the Valve efforts instead of operating on the side.
I don't think it's possible. GE uses some not-so-legal tweaks and Windows files, Valve moderators on GitHub even remove every mention of GE from Proton issues.
Quoting: BeamboomI try avoiding to do more "custom modifications" to my system than absolutely necessary.
Proton-GE doesn't affect the OS, it's just one folder Steam uses to create another folder with a game's wineprefix. Delete it, and it's gone. I also use Boxtron for playing DOS games on Steam, quite handy.

You are correct in Valve deleting any mention to custom Proton builds. Found that out here when I asked if the person tried the GE-MF version and it was deleted immediately: https://github.com/ValveSoftware/Proton/issues/4031#issuecomment-652721381
Nanobang 6 Jul, 2020
Liam, I'd like to suggest adding this, whole-cloth, to your already existing Proton/SteamPlay primer. This article was exactly the kind of concise-but-clear info someone like me wonders about. Really excellent work!
TheSHEEEP 6 Jul, 2020
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Quoting: ageres
Quoting: BeamboomI try avoiding to do more "custom modifications" to my system than absolutely necessary.
Proton-GE doesn't affect the OS, it's just one folder Steam uses to create another folder with a game's wineprefix. Delete it, and it's gone. I also use Boxtron for playing DOS games on Steam, quite handy.
That's true, of course.
But it is still another additional step to do when the goal should always be to reduce the amount of steps one has to do.

Not that it can be helped much, given the nature of ProtonGE.
The_Aquabat 6 Jul, 2020
Gr8888t!! Awesome! Does it have fsync and esync enabled? because of some bug there is some GE releases with that disabled.
Liam Dawe 6 Jul, 2020
Quoting: NanobangLiam, I'd like to suggest adding this, whole-cloth, to your already existing Proton/SteamPlay primer. This article was exactly the kind of concise-but-clear info someone like me wonders about. Really excellent work!
We have a dedicated page, which links to a proper guide ;)
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