Thanks for this, I went and checked the upstream project and found it has already been reported there and a patch was created just yesterday:
https://bugzilla.gnome.org/show_bug.cgi?id=788915 ** Bug watch added: GNOME Bug Tracker #788915 https://bugzilla.gnome.org/show_bug.cgi?id=788915 -- 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/1730253 Title: Clamshell mode only works immediately after changing display settings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1730253/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs