I can confirm this still happens on Ubuntu 18.04 and suggesting to buy a colorometer to tune the display temperature is like suggesting someone to get a car when their bike has a flat.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1728342 Title: Some applications disable "Night Light" and it is not reenabled upon exiting application To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1728342/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs