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MirrorsEdgeCatalystStock1

A new Proton Experimental update was released yesterday with a good chunk of fixes for a multitude of games. Mirror's Edge Catalyst will no longer freeze due to the lack of an Nvidia GPU, Warhammer: Dark Omen won't display low resolution maps, and Path of Exile 1 and 2's crashing from specific characters in the chat has been resolved.

The new update should automatically download if you already have the experimental layer. If not, just search for Proton Experimental in the Steam store on your Steam Deck and download.

Proton Experimental 6/10/26 Update Changelog:

  • Fixed Mirror's Edge Catalyst freezing on systems without Nvidia GPUs due to nvapi presence.
  • Fixed Vagante freezing on character select on setups with using Wayland with Nvidia GPUs.
  • Fixed gamma issues in Exanima on certain setups.
  • Fixed Moero Chronicle wrongly restarting the intro video every time the game loses focus during playback.
  • Fixed No Limits 2 Roller Coaster Simulation rendering wrong colors with Nvidia GPUs on Wayland.
  • Fixed Call of Duty (2003) rendering wrong colors in the main menu.
  • Fixed video playback in Psycho-Sleuth Demo.
  • Fixed Warhammer: Dark Omen (Classic) displaying low resolution map on certain setups.
  • Fixed Path of Exile and Path of Exile 2 crashing caused by specific character usage in chat.
  • Fixed Proton 11 regressions:
    • Need for Speed Hot Pursuit Remastered now has working input when set to fullscreen mode on Steam Decks.
    • Guild Wars 2 should no longer show KDE's taskbar when in fullscreen.
    • Addressed performance regression affecting Exanima affecting certain setups.

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Noah Kupetsky
A lover of gaming since 4, Noah has grown up with a love and passion for the industry. From there, he started to travel a lot and develop a joy for handheld and PC gaming. When the Steam Deck released, it just all clicked.
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