Maybe related to the following bug report for Xubuntu 17.10 from November 2017 ?
"Mouse acceleration/sensitivity adjustment has no effect" https://bugs.launchpad.net/ubuntu/+source/xfce4-settings/+bug/1729762 Since I don't use Xubuntu 17.10 however, I can't tell. -- 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