Feb 23, Proton Experimental Update
Proton Experimental got updated today with a few special fixes including a fix for the issue with Diablo 4 not launching on Steam Deck, which was previously fixed by using the GE-Proton7-51-diablo_4_beta version.
Proton Experimental also includes the following additional updates:
Fix graphical issues in Call of Duty: Black Ops III while playing videos
Fix PooShooter: Toilet Invaders starting to a black screen.