Btw I was stupid. I wasn’t comparing the FPS in the same section of the game. At first sight the performance is OK, but I’m getting almost 20 FPS less on average (84 vs 104). I didn’t notice immediately because there are sections where performance can average below 90, or above 110. Now that I am comparing same section/save the performance regressions is obvious. I also tried testing other factors like kernels and versions of Proton, and it appears that the drivers is indeed the culprit. It’s w...