Use Proton-GE, and see if that changes anything. I use proton GE on my steam deck OLED and I’ve never crashed myself. Looking into everything though
I don’t know if Gamehub lets you choose game versions from itch, or if you can have the itch (web) app on there. If so, there should be the manage option and for you to choose a different version of the game (I.e. switch version). I’m typing this on my phone so I can’t show pictures of how to do it.