Looks a lot like 'tiling-assist...@ubuntu.com' is to blame. Hopefully it's not enabled by default in lunar final.
** Package changed: gnome-shell (Ubuntu) => gnome-shell-extension- tiling-assistant (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2015865 Title: window size changing randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-tiling-assistant/+bug/2015865/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs