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The first open beta version of Proton 9.0 has been released by Valve Software. There are a number of enhancements that have been included in the Proton-specific changelog. These enhancements include the playability of a variety of games, the resolution of issues, and improvements in video playback. The issues with Brawhalla, the ignoring of system mouse acceleration, and the fixing of crashes in games such as Final Fantasy XIV Online are all included in these fixes. In addition, the changelog addresses problems with input devices that have eight or more axes, fixes for crashes in games such as Super Robot Wars 30, and fixes for audio problems in games such as Airborne Kingdom. vkd3d-proton, dxvk, and dxvk-nvapi are all updated as part of this update, which is based on upstream Wine 9.0.



Proton 9.0 (Beta11)

Note: This is a public beta release and will be updated more regularly with regression fixes prior to the Proton 9.0-1 release.

This is the first open beta release of Proton 9.0. In addition to the numerous Wine 9.0 improvements, Proton specific changelog includes:

  • Now playable:
    • Dinogen Online
    • Photography Simulator Demo
  • Previously playable on Proton Experimental:
    • George McGeehan Gamer Hero
    • The Finals
    • True Reporter. Mystery of Mistwood
    • Road to Vostok Demo
    • WITCH ON THE HOLY NIGHT
    • Lord of the Rings: Gollum
  • Fixed Brawhalla showing a security certificate warning.
  • Started ignoring system mouse acceleration when using raw input API.
  • Fixed TouHou Makuka Sai ~ Fantastic Danmaku Festival Part I and II crashing during boss fights.
  • Fixed crash in Disaster Report 4: Summer Memories epilogue.
  • Improved video playback in BIOMUTANT.
  • Fixed Imperiums: Greek Wars launcher.
  • Fixed memory leaks that caused Final Fantasy XIV Online launcher crash over long time.
  • Fixed crash in Microsoft Flight Simulator when live weather is enabled.
  • Improved support for input devices with 8+ axes.
  • Fixed Savant - Ascent REMIX hitching during certain animations.
  • Fixed Super Robot Wars 30 crashing with languages other than English.
  • Fixed Doom Eternal audio crackling on certain setups.
  • Fixed Lethal Company, Phasmophobia and other Unity games crashing when a controller with a hat switch is plugged in.
  • Improved video playback for the following titles: Lords of the Fallen, Harvestella, and Wayfinder, Sea of Thieves, KING OF FIGHTERS XV.
  • Default scaling fixed for The Last Game on Steam Deck
  • Fixed audio issues when playing intro video in Airborne Kingdom.
  • Fixed Bayonetta crashing on certain systems.
  • Fixed Escape from Monkey Island getting minimized on a mouse click.
  • Fixed audio controls and spatialization in VRChat with AVPro.
  • Updated file distribution method to save disk space.
  • Rebased on top of upstream Wine 9.0.
  • Updated vkd3d-proton to  v2.11.1-49- g32ff676b.
  • Updated dxvk to  v2.3-47- ge2a46a34.
  • Updated dxvk-nvapi to  v0.6.4-48- g0951afb.

Release Proton 9.0 (Beta11) · ValveSoftware/Proton