>Do you have Variable Refresh Rate enabled anywhere? Yes. I hadn't thought of it, because I so often just leave my display in 60 Hz mode and run games at 60 FPS anyway, but in fact the one and only manual tweak to my X11...
@michaelneverwins 2 questions: 1. Do you have Variable Refresh Rate enabled anywhere? 2. Have you updated recently? I was able to repro until updating earlier today (which happened to be a long process culminating in fix...
Just for good measure, I tried also Proton Experimental (exact version shown by MangoHud overlay in cropped screenshot below), and I see the same mouse-movement-induced stuttering as with Proton 11.0-2.
>The fact that I'm using Linux Mint Cinnamon Edition which defaults to X11 might be relevant. I think I've just confirmed this. I tried running the game in a Sway session (because Cinnamon on Wayland is still experimenta...