Updates that change the .exe will always cause incompatibility with F4SE mods until F4SE can release a .dll update. Usually happens pretty fast though.
Keep in mind that Steam Deck compatibility/verification is a lot more than just performance. It also entails controller support, UI/UX scaling and compatibility, and functionality, like being able to pause when the steam deck goes to sleep.
Updates that change the .exe will always cause incompatibility with F4SE mods until F4SE can release a .dll update. Usually happens pretty fast though.
Keep in mind that Steam Deck compatibility/verification is a lot more than just performance. It also entails controller support, UI/UX scaling and compatibility, and functionality, like being able to pause when the steam deck goes to sleep.