I think most of the issues with games not working should be the same between windows and Linux driver versions, and HardwareUnboxed has done some pretty exhaustive testing recently on the “maturity” of the drivers by testing a couple hundred games for obvious driver problems.
Level1 has looked at the B580 on Linux specifically: https://www.youtube.com/watch?v=Tv0o6505JAc
I think most of the issues with games not working should be the same between windows and Linux driver versions, and HardwareUnboxed has done some pretty exhaustive testing recently on the “maturity” of the drivers by testing a couple hundred games for obvious driver problems.