Since a few days ago Thunderbird is also updated to 68.7 on Ubuntu 16.04 LTS. I first encountered the bug with the black screen again. After rebooting it works again now. I also entered the apparmor-commands from above, but presumably they were not necessary.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1850064 Title: Please upgrade it to 68.x on Ubuntu 18.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1850064/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
