Thanks. I don't know what would cause this so suggest next you report the bug to the gnome-shell developers here:
https://gitlab.gnome.org/GNOME/gnome-shell/issues and then tell us the new bug ID. ** Summary changed: - Lock screen doesn't work in 18.10 + Lock screen doesn't hide the screen contents ** Information type changed from Public to Public Security ** Changed in: gdm3 (Ubuntu) Importance: Undecided => High ** Changed in: gnome-shell (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1803807 Title: Lock screen doesn't hide the screen contents To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1803807/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs