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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.


New in Proton 6.3-1:

  • Newly playable games include:
    • Divinity: Original Sin 2
    • Shenmue I & II
    • Mass Effect 3 N7 Digital Deluxe Edition (2012)
    • Tom Clancy's Rainbow Six Lockdown
    • XCOM: Chimera Squad
    • Bioshock 2 Remastered
    • Company of Heroes 2
    • logiCally
    • Rise of the Triad
    • Home Behind 2
    • Shadow Empire
    • Arena Wars 2
    • King Arthur: Knight's Tale
    • Rise of Venice
    • ARK Park
    • Gravity Sketch
    • Battle Arena VR
  • Updated Wine to version 6.3.
  • Updated DXVK to v1.8.1.
  • Updated vkd3d-proton to v2.2.
  • Updated FAudio to 21.03.05.
  • Update wine-mono to 6.1.1.
  • Previously in Experimental: Improvements for non-US keyboard layouts.
  • Previously in Experimental: Improved video support. You may see test pattern videos. This is normal.
  • Previously in Experimental: Support setting thread priorities via RTKit, or Unix priorities if your user has permissions.
  • Previously in Experimental: Controller layout and hotplugging improvements in Slay the Spire and Hades.
  • Previously in Experimental: Improved PlayStation 5 controller support.
  • Previously in Experimental: Improved Virtual Reality startup time and compatibility.
  • Improved Uplay sign-in.
  • Improved G29 steering support in Assetto Corsa Competizione.
  • Fixed Microsoft Flight Simulator in VR mode.
  • Fixed cutscenes in Bioshock 2 Remastered.
  • Overhauled build system to greatly reduce build times.
Download Proton 6.3-1 from GitHub