FWIW this seems to be the same as issue:- https://forums.linuxmint.com/viewtopic.php?t=272956
Also known to affect MATE not just xfce ... Seems like issue in this evdev<>libinput underpinning x.org infrastructure, likely? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1758023 Title: Mouse acceleration not configurable in Xubuntu 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-settings/+bug/1758023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs