Yes I had this issue described here https://askubuntu.com/questions/1256513/mouse-pointer-on-desktop-is- tailed-by-square-shaped-marks-in-20-04-lts
Dell XPS15 9570, Ubuntu 20.04, Linux xps15 5.4.0-48-generic #52-Ubuntu SMP Thu Sep 10 10:58:49 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux "Fixed" by. Disabling the Settings > Universal Access > Zoom & Pointer Locate. -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to plasma-workspace in Ubuntu. https://bugs.launchpad.net/bugs/1684240 Title: Lagging square around mouse pointer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-375/+bug/1684240/+subscriptions -- kubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
