Valve has made available a Release Candidate for Proton 10.0-4, which is set to become the primary iteration of the Windows compatibility layer for Linux and SteamOS. This essential technology allows countless games to function effectively.
Many of these modifications were previously incorporated into Proton Experimental. Users can access this version for testing by selecting the Proton 10 Beta option within their Steam Library. Valve is seeking feedback on any problems not present in the current Proton 10.0-3 release.
Here are the detailed changes:
- Now playable:
- Surgeon Simulator: Experience Reality
- Changeling VR
- Summoners War: RUSH
- Quantum Threshold
- REACH
- Fellowship
- Metal Slug: Awakening
- The Obsessive Shadow
- Drop Dead: The Cabin
- Zero Caliber 2 Remastered
- Lost Memories 3 Side Stories
- Death by Scrolling
- Stellar Reach
- Girls’ Frontline
- Modules
- Distant Worlds 2
- 懒人修仙传2
- Ring Runner: Flight of the Sages
- Chronology
Pictured – Girls’ Frontline
Additional fixes and improvements include:
- Resolved an issue preventing Agatha Christie: Evil Under the Sun from launching in French.
- Addressed the incorrect “old GPU drivers” warning appearing in Far Cry 5 for AMD graphics cards.
- Corrected music playback functionality in Transcendence.
- Fixed Mystery Manor: Hidden Objects not displaying content on gamescope.
- Improved HDR performance in Far Cry 5 on OLED Steam Decks.
- Resolved crashes occurring in Crystal of Atlan on desktop systems.
- Fixed broken account switching within Crystal of Atlan when using gamescope.
- Corrected Adventures Of Fluzz’s erroneous “No Device” window, which previously rendered the game unplayable with gamescope.
- Fixed Marvel Rivals crashing during benchmarks with AMD GPUs.
- Addressed Assassin’s Creed Shadows and Wild Assault incorrectly warning about HDD installations.
- Eliminated prolonged launch times for numerous Xbox Game Studios titles, including Avowed, Grounded 2, Indiana Jones and the Great Circle, and The Outer Worlds 2.
- Fixed Dragon’s Dogma Dark Arisen crashing on systems with lengthy Steam Library paths.
- Repaired the in-game browser functionality in Figmin XR.
- Corrected server and lobby listing issues in Men of War II.
- Resolved GPU error messages displayed by Ara: History Untold.
- Fixed Ultimate Marvel vs Capcom 3 crashing on monitors supporting multiple resolutions.
- Addressed Arc Riders stuttering on non-Nvidia GPU systems due to continuous nvapi loading attempts.
- Enhanced support for Sony controllers in Tekken 8.
- Improved haptics support for DualSense controllers, now functional in most compatible games.
- Fixed audio playback problems in Rocket Jockey.
- Resolved an issue preventing For Honor from starting on non-Steam Deck devices.
- Corrected the in-game store not working in For Honor on desktop systems.
- Fixed the in-game screenshot feature in Mohrta.
- Addressed Cladun X3 hanging upon exit.
- Resolved Tempest Rising hanging upon exit.
- Fixed Rocket Jockey not being playable on certain installations.
- Corrected Xalia’s interaction with dialogs produced by ARC Raiders.
- Fixed ARC Raiders stuttering when changing game settings on some systems.
- Resolved Atelier Resleriana [JP] not functioning on specific setups.
- Added support for speech recognition in Phasmophobia.
- Fixed video playback issues in Okayunyumu! and AQUARIUM.
- Addressed Assassin’s Creed Shadows not being playable after a recent game update.
- Corrected language selection not working in Black Squad’s launcher.
- Fixed black blocks appearing in dialog windows created by ARC Raiders and The Finals.
- Resolved voice line playback issues in Rigid Force Alpha.
- Fixed 7.1 audio channel mapping in Ghost of Tsushima DIRECTOR’S CUT, Clair Obscur: Expedition 33, and potentially many other games.
- Corrected horizontal mouse scroll being incorrectly registered as back/forward buttons.
- Fixed Thai font rendering in Warframe’s launcher.
- Resolved Revolver360 Re:Actor crashing on keyboard input.
- Fixed text input problems in Secrets of Grindea.
- Corrected video playback in Conquer the World.
- Fixed a crash in Marvin’s Mittens occurring after cutscenes.
- Resolved Sword of the Stars: The Pit crashing when clicking an enemy.
- Fixed Lemma randomly crashing.
- Corrected Ukrainian and Russian font rendering in Trainatic.
- Fixed Proton 10 regressions:
- Video should now play correctly again in King of Bones and Indivisible.
- Sackboy: A Big Adventure should no longer display a series of errors on a fresh prefix.
- GodsArena Online is now registering touch/mouse input correctly.
- Lost Planet: Extreme Condition is playable again.
- Killer Instinct should no longer crash at the end of a match.
- Workshop integration in The Conquest of Go should work again.
- CHRONO TRIGGER should no longer flicker in full screen mode.
- Camera panning should work as expected in Dungeons & Dragons Online.
- Blood Rush should no longer crash with new proton prefixes.
- Added support for SteamWorks SDK 1.63.
- Updated Wine Mono to 10.4.0.
- Updated vkd3d-proton to v3.0b.
- Updated vkd3d to 1.18.
Further details are available in the Proton GitHub post.
