I found the opposite problem yesterday, which might be the same bug as this. When switching from a high scaling factor of 2 or 3 back to 1, the mouse cursor stayed big for longer than expected :)
** Changed in: gnome-shell (Ubuntu) Importance: Critical => High ** Tags added: cursor -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1700085 Title: Mouse cursor is tiny on HiDPI screens To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1700085/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs