Ok, appears to be fixed in Hirsute. There's a brief period that the 2x sized window "wiggles" to the correct size.
** Changed in: gnome-shell (Ubuntu) Status: Incomplete => Fix Released -- 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/1870886 Title: Window scales to 200% after screen unlocked, on desktop with external monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1870886/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs