https://gist.github.com/daasuharo/d83c92ac04a9bd0c5edfc359c3c5a4de PROTON 3.7-5
Appears to run fine except DS4 action buttons are being mapped differently than to a xbox controller for the game. And you have to double alttab.
Did you try to config your gamepad with Steam?
I figured we're trying to improve Proton for better out of the box experience so I try to test with all defaults.
proton 3.7-5
https://gist.github.com/daasuharo/d83c92ac04a9bd0c5edfc359c3c5a4de
PROTON 3.7-5
Appears to run fine except DS4 action buttons are being mapped differently than to a xbox controller for the game. And you have to double alttab.