It seems the bug that actually describes the "cannot rotate monitor to portrait mode" issue is 1874567, and a fix is in hand. Apologies for the noise here.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874217 Title: [nvidia] Dual monitor setup with secondary monitor in portrait-right mode cause tiled windows to occupy 1.5 monitors To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1874217/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs