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Valve Software has released a new version of Proton. Proton is a tool based on WINE for use with the Steam client which allows games which are exclusive to Windows to run on the Linux operating system.



Proton is a tool for use with the Steam client which allows games which are exclusive to Windows to run on the Linux operating system. It uses Wine to facilitate this.

Most users will prefer to use Proton provided by the Steam client itself. The source code is provided to enable advanced users the ability to alter Proton. For example, some users may wish to use a different version of Wine with a particular title.

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New in Proton 6.3-6:

  • The following games are now playable:
    • Tokyo Xanadu eX+
    • Sonic Adventure 2
    • Rez Infinite
    • Elite Dangerous
    • Blood of Steel
    • Homeworld Remastered Collection
    • Star Wars Knights of the Old Republic
    • Guardians VR
    • 3D Aim Trainer
  • Improve non-English experience in Cyberpunk 2077 and Rockstar Games launchers.
  • Improve launcher behavior in Swords of Legends Online.
  • Improve video playback in Deep Rock Galactic, The Medium, Nier: Replicant, and Contra: Rogue Corps.
  • Add optional support for Nvidia's NVAPI GPU support library and DLSS. It is disabled by default and can be enabled with PROTON_ENABLE_NVAPI=1.
  • Update wine-mono to 6.3.0.
  • Update DXVK to v1.9.1.
  • Update vkd3d-proton to v2.4.
  • Update FAudio to 20.08.
  • Fix Microsoft Flight Simulator hang while loading.
  • Fix Unreal Engine 4 update installation, which impacted Everspace 2 and KARDS.
  • Fix text input and clipboard pasting in Origin overlay and launcher.
  • Fix some music not playing in Planet Coaster.
  • Fix Mafia III: Definitive Edition performance when FPS limiter is enabled.
  • Fix audio playback issues in Fallout: New Vegas, Oblivion, Borderlands 3, and Deep Rock Galactic.
  • Improve cursor capture behavior for fullscreen windows.
  • Improve input handling after focus loss in some games, including Warhammer: Chaosbane and Far Cry Primal.
  • Correct game save locations to improve Steam cloud sync behavior in:
    • Guilty Gear -Strive-
    • Death Stranding
    • Katamari Damacy Reroll
    • Scarlet Nexus
Download Proton 6.3-6 from GitHub