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Proton 8.0-4 brings more game support to Steam Deck and desktop Linux

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Clear your plans for the weekend, as Proton 8.0-4 is now officially available bringing improved game support for Steam Deck and normal desktop Linux. Here's all the latest on what's changed.

First up, these titles Valve said were previously only playable with Proton Experimental:

  • Arthurian Legends
  • CHAOS CODE -NEW SIGN OF CATSTROPHE-
  • EverQuest 2
  • Oddworld: Stranger's Wrath HD
  • Songs for a Hero - Definitive Edition
  • STAR WARS Knights of the Old Republic II
  • The Longest Journey

Valve also continue to fix up regressions from the Proton 8 release including:

  • A race condition that caused controller hotplug to not work reliably is fixed.
  • Have a Nice Death no longer crashes on launch.
  • Using re4_tweaks no longer breaks mouse support in Resident Evil 4 (2005).
  • Makai Kingdom: Reclaimed and Rebound is playable again.
  • Echo (751320) works again on Steam Deck.
  • Debug console in Scrap Mechanic is no longer broken.

Lots and lots and bug fixes included:

  • Fixed Overwatch 2 stopping to register controller inputs after an online match has started.
  • Fixed Battle.net always trying to update itself.
  • Fixed EA Desktop having a blank log-in window after its recent update.
  • Fixed an issue with EA Desktop sometimes not launching after an update.
  • Fixed Baldur's Gate 3 launcher sometimes displaying dxdiag error dialog.
  • Fixed Street Fighter 6 claiming that Proton players are always connected via wired interface.
  • Fixed periodic stuttering in Street Fighter 6 when playing without internet for a longer time.
  • Fixed Garry's Mod, Dark Souls II, Aura: Fate of the Ages and Train Simulator not working on certain setups using very long library paths.
  • Fixed videos in Empyrion - Galactic Survival not working on certain setups.
  • Fixed flipped videos in Secret of Mana.
  • Fixed Aura: Fate of the Ages missing some audio cues.
  • Fixed Dwarf Fortress SDL2 beta crashing on launch.
  • Fixed some Unreal Engine 4 games (e.g. Stray, System Shock (2023), Dead By Daylight and Warhammer 40,000: Boltgun) crashing with Intel GPUs.
  • Fixed Final Fantasy XIII having broken input after main window loses focus.
  • Fixed Locoland not allowing to select resolution on Steam Deck in desktop mode.
  • Fixed Rainbow Six Extraction not working on the Steam Deck.
  • Fixed Ashes of the Singularity: Escalation DirectX 12 mode not working.
  • Fixed Age of Empires II: Definitive Edition failing to launch after a recent game update.
  • Fixed Age of Empires IV crashing when locale is set to Traditional/Simplified Chinese.
  • Fixed Age of Wonders 4's Paradox Launcher not working on Nvidia GPUs.
  • Fixed games crashing when dragging files / images over a game window.
  • Fixed Ubisoft Connect not working after its recent update.
  • Fixed not being able to interact with minimum requirements prompt in Metro Exodus Enhanced Edition.
  • Fixed Ship of Fools crashing when another player joins online session.
  • Fixed controller input in Mamashroom and The Bookwalker: Thief of Tales.
  • Fixed not working credits in Dark Parables: The Exiled Prince Collector's Edition.

You will also find that NVIDIA NVAPI has now been enabled for these titles:

  • Alone in the Dark
  • Atomic Heart
  • Baldur's Gate 3
  • Demonologist
  • Desordre
  • Doge Simulator
  • Icarus
  • Layers of Fear
  • Portal Prelude RTX
  • Rainbow Six Extraction
  • Ratchet & Clank: Rift Apart
  • Remnant 2
  • Severed Steel
  • Sherlock Holmes The Awakened
  • Showgunners
  • Spider-Man: Miles Morales
  • Strayed Lights
  • Trepang2
  • Voidtrain
  • Warhammer 40,000: Darktide

And then there's the miscellaneous updates to the software included in Proton that makes it actually do its thing:

  • Updated Wine-Mono to 8.0.1.
  • Updated vkd3d-proton to v2.10.
  • Updated dxvk to to v2.3-5-g83dc4678.
  • Updated dxvk-nvapi to v0.6.4.
  • Updated vkd3d (shader compiler) to include recent upstream improvements.
  • Added support for Steamworks SDK 1.58.

It will just show up in your Steam Downloads as an update for Proton 8, as Proton updates just like games do, so keep an eye out for it. Want more info about Steam Play and Proton? Check out my beginner's guide.

What's your favourite part of the update? Are you still waiting on a specific fix? Let me know in the comments.

Article taken from GamingOnLinux.com.
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About the author -
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. Find me on Mastodon.
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26 comments
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CatKiller Oct 6, 2023
That's a lot of work fixing other people's bullshit launchers.
Pengling Oct 6, 2023
View PC info
  • Supporter
QuoteAre you still waiting on a specific fix?
I am - I have precisely one game that doesn't work out-of-the-box with Proton: Anniversary Collection Arcade Classics.

I picked it up in a Fanatical sale for peanuts without checking ProtonDB first (a mistake I don't usually make), expecting it to work perfectly like the other Konami collections do, but it turned out to have a different developer - HAMSTER Corporation, who otherwise only sells games through the Windows Store (and on consoles, but that doesn't help me here ). Though it can be made to work, it requires a bunch of hoop-jumping and, on the Steam Deck it only works in desktop-mode once you do this stuff, which is not optimal for a collection of arcade-games that I'm less likely to play in long sessions.
Raaben Oct 6, 2023
QuoteFixed Final Fantasy XIII having broken input after main window loses focus.

I thought that was it just helping reinforce your decision to go do something else.
benstor214 Oct 6, 2023
View PC info
  • Supporter
Quoting: CatKillerThat's a lot of work fixing other people's bullshit launchers.
Valve should charge them!

The amount of hoops you are forced to jump through as a modern gamer keeps baffling me. It is a sign that these companies couldn’t care less about the troubles their customers have to go through as soon as the credit card details landed in the inbox.

- ‘Won’t anyone think of the customers, please?’
- ‘No, we only care for what’s inside their wallets!’
denyasis Oct 6, 2023
Quoting: benstor214Valve should charge them!

Valve does... What's it, like 30% of their revenue from sales for a dev goes to Valve?

If you're taking that much from a dev that did 100% of the work making a game as a cost for a sales platform, you better be doing something much more that processing credit card payments and running an E-stote.

Proton is a good start. As is infastructure and technical support for those things. Valve should keep up the good work!
rustybroomhandle Oct 6, 2023
Quoting: denyasisIf you're taking that much from a dev that did 100% of the work making a game as a cost for a sales platform, you better be doing something much more that processing credit card payments and running an E-stote

They are doing a lot more than "processing credit card payments and running an E-stote" and I am sure you know this and just making bad faith arguments to be edgy.
Linux_Rocks Oct 6, 2023
Doesn't KotOR II support Linux natively? 👀
Raaben Oct 6, 2023
Quoting: Linux_RocksDoesn't KotOR II support Linux natively? 👀

Yes, but a bug fixed there can still be a bug fixed overall so it's worth WINE/Proton development to go after those cases.
Liam Dawe Oct 6, 2023
Quoting: Raaben
Quoting: Linux_RocksDoesn't KotOR II support Linux natively? 👀

Yes, but a bug fixed there can still be a bug fixed overall so it's worth WINE/Proton development to go after those cases.
It's surprising people still ask this question. Wine and Proton aim to work with everything they can.
denyasis Oct 6, 2023
Quoting: rustybroomhandle
Quoting: denyasisIf you're taking that much from a dev that did 100% of the work making a game as a cost for a sales platform, you better be doing something much more that processing credit card payments and running an E-stote

They are doing a lot more than "processing credit card payments and running an E-stote" and I am sure you know this and just making bad faith arguments to be edgy.

No, I'm not.... Please read my second paragraph where I mention the other things as a good start and say Valve should keep up the good work... Valve provides a lot more Value-add than other stores that charge the same amount. For the premiums they charge, they should. Not just Valve (which is), but the other stores too (which might not be).

Also, this article and comments are literally about a value add that Valve does, and should be doing. They want as many games to be playable on their platform, or people might go elsewhere. Doing work to fix up the environment (especially with dealing with multiple launchers, which is silly), ensure ppl stay on the platform which ensures revenue. Linux might be small, but an increase of even a precent or two in overall sales to Valve is massive.
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