Proton 10.0-3 release candidate live for testing better Windows game compatibility on Linux / Steam Deck

Valve have released a new release candidate build for the Windows compatibility layer Proton, with Proton 10.0-3 available for users to test. This will eventually be the new stable and recommended version of Proton.

All the changes listed below are tentative, and subject to change as it goes through quality assurance and some more testing. Additionally, most of the fixes were previously in either Proton Experimental or Proton Hotfix. This is also all on top of the changes that were pulled in for the previous Proton 10.0-2.

Pictured - Hunt: Showdown 1896

Here's all the changes for Proton 10.0-3 RC as of the current changelog:

• Now playable:
  • Mary Skelter: Nightmares
  • Fairy Fencer F Advent Dark Force
  • Far Horizon
  • Grim Fandango Remastered (AMD & Intel GPUs)
  • The Crew Motorfest
  • Viking Rise: Valhalla
  • Starlight Re:Volver
  • Gemstones
  • Act of War: Direct Action (with AMD GPUs)
  • SSR Wives: The Murder Of My Winter Crush Demo
  • Firefly Village
  • The Riftbreaker: Multiplayer Playtest
  • Ninja Reflex: Steamworks Edition
  • Arken Age
• Mitigated OpenSSL-related issues in Agony UNRATED that happen on newer Intel CPUs.
• Fixed The Quarry not being playable on OLED Steam Decks.
• Fixed Sega Rally launcher crash when certain controllers are plugged in.
• Fixed DayZ tools failing to pack a mod.
• Fixed intro video in Warhammer 40,000: Dakka Squadron - Flyboyz Edition having no audio.
• Fixed DualSense controllers registering spurious touchpad clicks over Bluetooth.
• Fixed audio crackle when playing the intro videos of Darksiders Warmastered Edition.
• Improved AVPro player compatibility in VRChat: fixed distortion, seeking, improved performance - less freezes and video playback should work in more cases than before.
• Fixed kyebindings not working in Hunt: Showdown 1896 when using Programmer Dvorak layout.
• Fixed METAL GEAR SOLID V: THE PHANTOM PAIN having crackling during cutscenes on Steam Deck.
• Fixed Chinese font rendering in Warage.
• Fixed screen reader not working in Diablo 4 - requires download of Proton Voice Files.
• Fixed sending feedback not working in Cosmoteer: Starship Architect & Commander.
• Fixed a recent update causing Epic Games Store not launching under Proton.
• Fixed Warrior Maiden Lecia and the Lost Fortress hanging on exit.
• Fixed long loading times in God Eater Resurrection and God Eater 2 Rage Burst.
• Fixed Crysis 3 getting stuck on an old EA Login page.
• Fixed The Finals kicking players after a game update.
• Fixed dropdown menus closing immediately after opening them in Doom Eternal.
• Improved performance in Rocket League and Unreal Tournament 3.
• Fixed Predecessor crashing after a recent game update.
• Fixed short freezes happening every 5 min in Deadlock.
• Fixed license agreement screen not working in Terminull Brigade.
• Fixed Dune: Awakening wrongly displaying warning about hard drive below minimum requirements.
• Fixed Dune: Awakening displaying warning about graphics drivers with AMD GPUs.
• Fixed language selection not working in Black Squad's launcher.
• Fixed Sony controllers not working in God of War: Ragnarok on Steam Deck in handheld mode.
• Fixed blue tint in Resident Evil Village videos.
• Fixed video playback in The Heart of Influencer and Superscout.
• Fixed Disgaea PC not displaying controller icons correctly.
• Fixed cutscene pausing / skipping in Dungeon Lords Steam Edition.
• Fixed Spark & Kling crashing when idling on main menu.
• Fixed Avatar: Frontiers of Pandora complaining about an HDD when installed on a SSD.
• Fixed Tales Of Berseria crashing with certain paths used for the location of the Steam Library.
• Fixed Sea Power not playing background music.
• Fixed rendering issues in VR Slots 3D.
• Fixed Teardown hanging when publishing a mod to the workshop.
• Fixed internet radio in Motor Town: Behind The Wheel.
• Fixed broken CD key entry field in Age of Empires III.
• Fixed Counter-Strike rarely crashing when connecting to matches.
• Fixed Alone in the Dark (2008), DiRT, Disney Universe, Hard Truck Apocalypse: Rise of Clans / Ex Machina: Meridian 113, Dino D-Day and Prototype 2 not running on CPU with high core count.
• Fixed Proton 10 regressions:
  • Quake IV and DOOM 3 should no longer have issues with mouse input in full screen mode.
  • Marvin's Mittens sets up correctly on first launch again.
  • Unplugging a controller should no longer break keyboard input in INSIDE.
  • Videos in Resident Evil 7 Biohazard should play at a normal speed again on Steam Decks.
  • Crashlands 2 intro video is no longer distorted.
  • METAL GEAR SOLID V: THE PHANTOM PAIN no longer crashes at the start of Chapter 1 video.
  • Assetto Corsa EVO should no longer reset modified autocenter strength.
  • LEGO Indiana Jones: The Original Adventures should correctly load controller mapping when using Steam Input.
  • Malody V is playable again.
  • Rockstar Launcher's birthday date selection dropdowns work again.
  • Resident Evil Village no longer freezes after cutscenes.
  • Alien: Rogue Incursion VR is playable again.
• Updated Wine Mono to 10.2.0.
• Updated dxvk to v2.6.2-22-g22d2d2d2efd3.
• Updated vkd3d-proton to v2.14.1-454-g105417aa2e93.
• Updated dxvk-nvapi to v0.9.0-10-g0ea231734d60.
• Updated vkd3d to vkd3d-1.17-291-gcd64aa69c886.

If you do plan to try it and want to give feedback, they're currently only looking for issues that broke between Proton 10.0-2 and 10.0-3.

How to try it? You need to have Proton 10 installed in your Steam Library, and then opt into the Beta on Proton 10.

See the post on GitHub for more info.