I think I've run into this as recently as bionic, but I couldn't quite put my finger on what triggers the problem. The tabs are restored on some occasions but not on others. Logging in and out vs simply restarting the program as discussed here might indeed be that trigger.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/885031 Title: Thunderbird does not remember opened tabs in a new session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/885031/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
