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Clair Obscur: Expedition 33 Proton Experimental

A new update for Proton Experimental was released yesterday with some nice changes across the board. THE FINALS fix has been moved from the Proton Hotfix branch, Space Engineers crashing from changing controller settings has been fixed, and gamepads will no longer stop randomly working on certain setups. We also get Xalia enabled for Clair Obscur: Expedition 33, which allows us to use the controller on the pre-requisite setup. This is one of the two reasons the game didn't receive the Verified badge, so we may see it get the green checkmark sooner rather than later.

The new Proton Experimental 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 5/8/25 Update Changelog:

  • Fixed THE FINALS freezing after a few minutes of gameplay after a recent game update. (previously in Proton Hotfix)
  • Fixed Xalia not being able to fully progress through prerequesite installation in MultiVersus using only the controller.
  • Fixed Space Enginners crashing on a steam deck after changing controller setting with a fresh Proton prefix.
  • Fixed screen darkening in e-Racer.
  • Fixed gamepads randomly stopping working on some setups.
  • Enabled Xalia for Clair Obscur: Expedition 33 so the prerequisite installation can be completed using controllers.
  • Fixed Proton 10 regressions:
    • Oddworld: Stranger's Wrath HD setting launcher renders correctly again.

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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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