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Proton beta 3.16-2 is out for Valve's Steam Play system

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Valve are continuing to polish the next version of Steam Play's Proton with an update to the beta channel.

Proton 3.16-2 was released in the last day which includes these changes:

  • DXVK is again built as a Windows DLL, due to incompatibilities with the Steam runtime. This should fix widespread crashes with Direct3D 11 titles.
  • DXVK updated to 0.90.
  • Fix for alt-tab crashing on Unreal Engine 1 games, including Deus Ex.
  • PROTON_USE_WINED3D11 is now called PROTON_USE_WINED3D to reflect that this variable affects more than Direct3D 11. The old name still works as an alias.

They've also moved the changelog, which can now be found here. The updated version of DXVK will fix issues with Bioshock, Dark Souls 3, The Evil Within and gives a small CPU improvement for Assassin's Creed Odyssey.

To enable the beta, you need to go into Steam's main settings, locate the Steam Play section in the left panel and choose it from the dropdown box. You do not need the Steam beta client.

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20 comments
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Nevertheless 17 October 2018 at 10:43 am UTC
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Haha... when I'm through with Pathfinder: Kingmaker, Bards Tale 4, Battletech, Insomnia, Frozen Synapse 2.... I'll have all Windows titles out of the box.. ;-)
Finalizer 17 October 2018 at 11:35 am UTC
Good work! Earth will be a better place to live after valve's work is done. Gabe Newell will have a golden statue which is located in New York right beside the liberty statue! Anyway into the point. I can't wait to have some windows titles work properly out of the box. Still one must have patience.But I expect big things to happen soon
pb 17 October 2018 at 1:04 pm UTC
NeverthelessBards Tale 4, Battletech

Aren't those coming to Linux pretty soon?
grigi 17 October 2018 at 1:30 pm UTC
Proton 3.16-1 severely regressed on my Intel IGP 620.
Skyrim (non se) ran quite horribly, no glitches, just terrible performance.
At least downgrading to 3.7-8 resolved all the issues.
When I get time I'll try and see if 3.16-2 (or newer by then) fixes the issues.
adamhm 17 October 2018 at 1:51 pm UTC
I noticed that Proton increased in size quite drastically with 3.7-7 (comparing the slightly modified versions I use for my wrappers it's about double the size of 3.7-6; compressed it's almost triple the size). And with 3.16-2 it seems to have gained a few hundred MBs more (the DXVK DLLs have ballooned to almost 300MB). Looks like it's possibly a repeat of this issue?
lejimster 17 October 2018 at 1:59 pm UTC
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adamhmI noticed that Proton increased in size quite drastically with 3.7-7 (comparing the slightly modified versions I use for my wrappers it's about double the size of 3.7-6; compressed it's almost triple the size). And with 3.16-2 it seems to have gained a few hundred MBs more (the DXVK DLLs have ballooned to almost 300MB). Looks like it's possibly a repeat of this issue?

That does sound like the same problem I experience at launch. Might go along with what grigi is experiencing aswell. I will test and see if this is the case.

Update: Yeah, just looked at DXVK's dll's and checked performance of a title I know well. Looks like they've been compiled in debug mode. I will open an issue on the proton bug tracker.


Last edited by lejimster at 17 October 2018 at 2:15 pm UTC
adamhm 17 October 2018 at 2:47 pm UTC
lejimsterUpdate: Yeah, just looked at DXVK's dll's and checked performance of a title I know well. Looks like they've been compiled in debug mode. I will open an issue on the proton bug tracker.

I'd guess given the huge increase in size for Proton in general with versions 3.7-7 and later this issue probably applies to the Proton as a whole & not just DXVK. e.g. Proton 3.7-6 is about 415MB (just the "dist" directory, sans the share/default_pfx and share/wine/gecko directories), whilst 3.7-7 and later come in at about 815MB. The wineserver binary for 3.7-6 is 478.8KB while for 3.7-7 and later it's 3.3MB+
Nevertheless 17 October 2018 at 3:12 pm UTC
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pb
NeverthelessBards Tale 4, Battletech

Aren't those coming to Linux pretty soon?

Exactly! And when I finished the native games, they will have made Steam Play perfect.
j3kyl 17 October 2018 at 4:45 pm UTC
Dark Souls 2 working out of box! SWWWWWWWEEEEEEEEEEEET!
lejimster 17 October 2018 at 5:30 pm UTC
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adamhmI'd guess given the huge increase in size for Proton in general with versions 3.7-7 and later this issue probably applies to the Proton as a whole & not just DXVK. e.g. Proton 3.7-6 is about 415MB (just the "dist" directory, sans the share/default_pfx and share/wine/gecko directories), whilst 3.7-7 and later come in at about 815MB. The wineserver binary for 3.7-6 is 478.8KB while for 3.7-7 and later it's 3.3MB+

I don't have 3.7-6 to compare. Maybe you could add a comment to this bug report as it might be related.
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