Did your mouse turn all weird in Debian and now you suck at Quake?
Update: This issue is largely resolved nowadays because modern desktop environments include configuration tools for libinput and its acceleration profiles. If you have a recent Debian testing release, you might have noticed that your mouse now behaves very differently. For me, I noticed it when my aiming turned wobbly in Quake. Quake has extremely tight controls and shouldn’t feel as if you’re playing a 2016 console FPS with jelly dildos in place of fingers. So I was a bit surprised when it suddenly did. Also, I couldn’t reliably hit e.g. a close button on a window. ...