Valve has pushed the Proton 10.0-3 Release Candidate out for public testing, a significant step toward the next stable version of its Windows compatibility layer. This release focuses on stabilizing a vast collection of fixes previously trialed in Proton Experimental and Hotfix. The result is enhanced stability and substantially wider game support for the Linux gaming community.
Most notably, this update makes several high-profile titles playable, including The Crew Motorfest, Grim Fandango Remastered on AMD and Intel GPUs, and Mary Skelter: Nightmares. The list of newly supported games also features Fairy Fencer F Advent Dark Force, Arken Age, and Act of War: Direct Action for users with AMD GPUs, significantly expanding the playable library.
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Beyond new titles, the release addresses a broad spectrum of bugs. Hardware-specific fixes resolve issues on the OLED Steam Deck for The Quarry and target spurious touchpad clicks from DualSense controllers. Performance has improved in Rocket League, while long loading times in the God Eater series have been fixed.
Crucially, the update ensures older titles like DiRT and Prototype 2 now run correctly on CPUs with a high core count. The patch also rectifies crashes in The Finals, launcher failures for the Epic Games Store, and video playback issues in VRChat.
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Furthermore, the 10.0-3 build corrects several significant regressions from prior Proton 10 releases. Issues with mouse input in Quake IV, birthday selection dropdowns in the Rockstar Launcher, and video playback speed in Resident Evil 7 Biohazard on Steam Deck have all been resolved. Alien: Rogue Incursion VR is also playable again.
Valve encourages users to test the new build by opting into the release-candidate beta branch for Proton 10.0 in their Steam Library, asking that they only report new bugs not present in the stable 10.0-2 version.
