A new Proton Experimental update was pushed out today that aims to fix some games from not being able to update EOS (Epic Online Services) to run. This includes Returnal and Fall Guys, which had recently been not able to launch from the Steam version due to this issue, though you may need to create a fully new proton prefix to fix this:
- Fix EOS services failing to update for Fall Guys, Returnal and other games. This may require Proton prefix to be re-created.
- Fix recent experimental regression that made THE KING OF FIGHTERS XV start to a black screen.
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