I came across this on the office Mac the other day - the issue is specific to retina displays (hence why you’re getting it on only some Macs) when window type is glfw
. In Preferences, you can change your window type to Pygame or Pyglet, which don’t have this problem, so I recommend doing this for a quick fix. We have a long-term solution in place for the next bug fix release (2022.1.2)