See here in this screenshot. The 50px are used for the Application which is much more important than gnome-shell.
** Attachment added: "Opera browser gets rid of the title bar when maximized." https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1787288/+attachment/5176025/+files/Schermafdruk%20van%202018-08-16%2000-11-52.png -- 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/1787288 Title: gnome-shell window title bar wastes space when maximized To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1787288/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
