Ballistic Overkill updated, still has issues, but it's getting better again
Ballistic Overkill has been updated again to fix some of the major issues. Linux will still require a workaround for the black screen issue (a Unity bug), but it's easy to do.
How to setup OpenMW for modern Morrowind on Linux / SteamOS and Steam Deck
How to install Hollow Knight: Silksong mods on Linux, SteamOS and Steam Deck