I wonder if this is due to the change in update-notifier version 3.165 which makes "NEED_UPDATE_CHECK=no".
https://launchpadlibrarian.net/235427143/update- notifier_3.164_3.165.diff.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1558270 Title: [Ubuntu 16.04] update-notifier motd doesn't update with apt full- upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1558270/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs