Using cachy OS, KDE, wayland, and lutris
Mouse polling rate is 500hz, dpi 800. Hyperx pulsefire haste 2
Issue was not happening on windows
Basically I can shoot in a straight line no problem, but when I need to move / aim, it moves in a completely unpredictable way. You can see in this video that it's jumping around like crazy and makes it almost impossible to play.
In the video, I lowered my dpi to 400 to make it clear that I wasn't just playing with a crazy high dpi and moving my mouse around.