I have found this now also to be present in an Ubuntu GNOME 16.04 with GNOME 3.20 64-bit VM.
** Tags added: xenial -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in Ubuntu. https://bugs.launchpad.net/bugs/1553802 Title: Date and time jump around on locked screen when showing seconds (and also sometimes display strange shadows behind them) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1553802/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
