Yes, it is. Install gnome-calendar as deb-package and try to resize its window by dragging its window border.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1854383 Title: Extra window decorations are created on windows with client-side decorations. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1854383/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs