Upstream said it's a gnome-settings-daemon issue, see https://gitlab.gnome.org/GNOME/gnome-settings-daemon/issues/6
** Changed in: gnome-control-center (Ubuntu) Importance: Undecided => High ** Changed in: gnome-control-center (Ubuntu) Status: Confirmed => Triaged ** Package changed: gnome-control-center (Ubuntu) => gnome-settings- daemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1757280 Title: Night Light only works on one Monitor To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1757280/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs