I confirm the bug too on my system: Asus UX301L Notebook using Ubuntu 17.10 with the latest updates.
It used to worked and suddenly stopped working. If you need more information, tell me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1676131 Title: Gnome Night Light doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1676131/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs