This is because the Wayland surface includes the window shadows which go out to the edge of the red rectangle. It's an understandable bug but could always be better.
** Tags added: multimonitor ** Changed in: gnome-shell (Ubuntu) Importance: Undecided => Low -- 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/2037141 Title: Multi monitor with different scale factors causes windows to use scale factor of adjacent monitor before arriving at boundary To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2037141/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
