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The Finals Proton 9

It has finally happened! After weeks of the next full-number version of Proton being in the beta stage, Proton 9.0 has officially made its way to the stable branch with version 9.0-1. The stable release includes all of the improvements that were previously added to the beta, which include new playable games (like Sonic Colors: Ultimate), improved video playback, fixing memory leaks, and much more to make games easier to play on the Steam Deck.

The new stable version of Proton 9 should be downloaded automatically when you open the Steam Deck. You can check it on the downloads tab to make sure it is there.

Proton 9.0-1 Stable Release Changelog:

  • Previously playable only with Proton Experimental:
    • Dinogen Online
    • Photography Simulator Demo
    • George McGeehan Gamer Hero
    • The Finals
    • True Reporter. Mystery of Mistwood
    • Road to Vostok Demo
    • WITCH ON THE HOLY NIGHT
    • Lord of the Rings: Gollum
    • Sonic Colors: Ultimate
    • Command & Conquer: Red Alert 2 and Yuri’s Revenge
    • Command & Conquer Tiberian Sun and Firestorm
    • Aisling and the Tavern of Elves
    • Snares of Ruin 2
    • Insanity's Blade
    • Bloody Walls
  • Limited number of cores seen by the following games making them playable on a high core count CPUs:
    • Far Cry 2
    • Far Cry 4
    • The Witcher 2: Assassins of Kings Enhanced Edition
    • Lara Croft and the Guardian of Light
    • Warhammer 40,000: Space Marine
    • Warhammer 40,000: Dawn of War II
    • Warhammer 40,000: Dawn of War II - Chaos Rising
    • Warhammer 40,000: Dawn of War II - Retribution
    • Outcast - Second Contact
    • Prototype
  • Enabled nvapi by default for most games.
  • Started ignoring system mouse acceleration in games using raw input API.
  • Fixed Brawhalla showing a security certificate warning.
  • Fixed audio in BOOMEROAD, DORONKO WANKO, NOTTOLOT.
  • Fixed Civilization V Touch Only option in the launcher not working.
  • Improved cutscene synchronization in Immortals Fenyx Rising.
  • Fixed TouHou Makuka Sai ~ Fantastic Danmaku Festival Part I and II crashing during boss fights.
  • Fixed crash in Disaster Report 4: Summer Memories epilogue.
  • Improved video playback in BIOMUTANT.
  • Fixed Imperiums: Greek Wars launcher.
  • Fixed memory leaks that caused Final Fantasy XIV Online launcher crash over long time.
  • Fixed crash in Microsoft Flight Simulator when live weather is enabled.
  • Improved support for input devices with 8+ axes.
  • Fixed Savant - Ascent REMIX hitching during certain animations.
  • Fixed Super Robot Wars 30 crashing with languages other than English.
  • Fixed Doom Eternal audio crackling on certain setups.
  • Fixed Lethal Company, Phasmophobia and other Unity games crashing when a controller with a hat switch is plugged in.
  • Improved video playback for the following titles: Lords of the Fallen, Harvestella, Wayfinder, Sea of Thieves, and KING OF FIGHTERS XV.
  • Fixed default scaling for The Last Game on Steam Deck.
  • Fixed audio issues when playing intro video in Airborne Kingdom.
  • Fixed Bayonetta crashing on certain systems.
  • Fixed Escape from Monkey Island getting minimized on a mouse click.
  • Fixed audio controls and spatialization in VRChat with AVPro.
  • Fixed new prefix failing to initialize on filesystem that do not support copy_file_range syscall.
  • Updated file distribution method to save disk space.
  • Rebased on top of upstream Wine 9.0.
  • Updated vkd3d-proton to v2.11.1-49-g32ff676b.
  • Updated dxvk to v2.3-47-ge2a46a34.
  • Updated dxvk-nvapi to v0.6.4-48-g0951afb.
  • Added support for Steamworks SDK 1.59.

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Noah Kupetsky
A lover of gaming since 4, Noah has grown up with a love and passion for the industry. From there, he started to travel a lot and develop a joy for handheld and PC gaming. When the Steam Deck released, it just all clicked.
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