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Two bits of major news to cover for the Steam Play Proton compatibility layer, with some exciting major changes coming in with updates. Don't know what Steam Play Proton is? Go take a look at our dedicated page.

Firstly, if you have an AMD GPU and you don't mind grabbing the latest development code for the Mesa graphics drivers - Cyberpunk 2077 should actually work on Linux with the new Proton 5.13-4 release. Valve developer Pierre-Loup Griffais mentioned that CD PROJEKT RED allowed them some early testing time to get the work done for both vkd3d (the Direct3D 12 to Vulkan layer) and radv (the AMD Mesa Vulkan driver). As an NVIDIA GPU owner, this makes me quite jealous as it seems my only other current choice on Linux is Stadia or GeForce NOW (unofficially - until later in 2021).

Additionally, there's now also a new Proton Experimental branch available which has the start of major architectural changes to Wine. This brings with it a plan to reduce CPU overhead and improve performance in scenarios related to input and windowing. Seems Proton Experimental is an additional version of Proton, so you would install it along side the other versions currently available for this compatibility tool.

You can find the Proton changelog here.

Need help and / or tech support? Be sure to check out our dedicated Forum.

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243 comments
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Shmerl Dec 10, 2020
OK, total size of the GOG version:

The installer: 104 GB
Extras: 5.5 GB (soundtrack, artwork and etc.)

I don't see any patch files currently. Version: build_3214677change_4155897_(64bit)_(43299)


Last edited by Shmerl on 10 December 2020 at 1:22 am UTC
Trias Dec 10, 2020
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So, as I understand, we need Mesa 21.0-dev for it? Any easy way to get it? PPA or something?

(Tried to start the game with Mesa 20.3.0 - it starts, but has heavy graphical bugs).

Edit: By the way, it's 64171 Mb in Steam.


Last edited by Trias on 10 December 2020 at 1:31 am UTC
Shmerl Dec 10, 2020
Quoting: TriasSo, as I understand, we need Mesa 21.0-dev for it? Any easy way to get it? PPA or something?

You need Mesa master, yes. I.e. latest git dev branch. Some distros package Mesa master some have third party repos. You can also build it yourself.

Here is what I use on Debian testing to build it for example. The intention is to use it without replacing system Mesa packages, with any needed game on demand.


Last edited by Shmerl on 10 December 2020 at 1:31 am UTC
Pendragon Dec 10, 2020
well damn, it looks like I won't be playing it at launch then... :-( I was really hoping it would have worked on WINE/Proton regardless of GPU ... I hope eventually Nvidia drivers get updated so this will play

I suppose I could get the PS4 version, but FPSes really demand mouse+keyboard for me
Trias Dec 10, 2020
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Quoting: ShmerlHere is what I use on Debian testing to build it for example. The intention is to use it without replacing system Mesa packages, with any needed game on demand.

Thanks. Looks heavy at the first glance, but ill try to dig in it tomorrow (it's 4:30 AM where I am).
TheRiddick Dec 10, 2020
Quoting: ShmerlYou wrote 250 GB patch...

yeah I meant MB, corrected it.

CP2077 is 59GB when installed, witcher3 is 68GB for goty.


Last edited by TheRiddick on 10 December 2020 at 1:41 am UTC
Shmerl Dec 10, 2020
Quoting: TheRiddickCP2077 is 59GB when installed, witcher3 is 68GB for goty.

That's weird, because installer alone is 104 GB for me. Trying to install it in Wine now.
WJMazepas Dec 10, 2020
Quoting: einherjar
Quoting: Wernergreat news, but i ordered it on stadia, since finally it started in my country, i wanted to test it anyway and because they make a nice gift, if you buy Cyberpunk, you will get the Stadia Premiere Edition for free, so the game is free :). If the game is really that good then i will buy it later when all bugs are fixed and all dlc are released on Gog :).

Hmm why not buying on Steam? I mean, who made it possible to play it on Linux?

Stadia version is using Wine? Didnt CDPR ported to Stadia
x_wing Dec 10, 2020
Quoting: massatt212what some of y'all don't understand, is if u don't show any support they wont waste their time, native or not toy should show support so they can see linux users are serious, but if some of y'all are like, im not buying a game cause its not native linux game, if i was a dev and i see that practice ill never make a game for linux and let y'all fight to make it work on proton without any support, but CD PR gave valve the game access to get the linux proton version run good at launch.

Just take a look on the number of people that are asking for CP2077 or Galaxy for Linux in GOG and you will see that they cannot have any doubt that a lot of Linux users shows their support but they don't give a fuck. "Keep buying so they notice us" just doesn't makes sense.

I really appreciate the work done by Steam but I cannot buy this game on release price by the simple fact that CDPR just doesn't care about Linux. Hopefully by the time I decide to buy it on Steam (with the best offer I can find) it'll work flawlessly on Linux. For now, I'll probably buy something else in order to congratulate Valve for their work.
Storminator16 Dec 10, 2020
Quoting: massatt212what some of y'all don't understand, is if u don't show any support they wont waste their time, native or not toy should show support so they can see linux users are serious, but if some of y'all are like, im not buying a game cause its not native linux game, if i was a dev and i see that practice ill never make a game for linux and let y'all fight to make it work on proton without any support, but CD PR gave valve the game access to get the linux proton version run good at launch.

Ill be waiting for benchmark videos on CyberPunk cant wait to see Windows 10 Vs Proton linux, GO GO GO

Linux gamers *maybe* make up 2% of PC gamers. I think us Linux gamers really need to get some perspective. Developers aren't chasing that holy, non-existent grail of getting that sweet cash from a target audience of 2%. Stop the FOMO. :D Furthermore, I would never buy a game unsupported for my platform. Because this day-1 scenario really sounds like the game is unsupported for Linux. My cash is better spent elsewhere.

Stadia is a nice option.


Last edited by Storminator16 on 10 December 2020 at 2:15 am UTC
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