I cannot confirm that hypothesis: I created a thunderbird profile in a focal VM, and imported it in a groovy VM. The application ran fine in the groovy VM after the simulated upgrade, several times in a row, and I didn't observe langpack extensions being automatically downloaded and installed in the profile directory.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901829 Title: thunderbird fails to open, xml parse error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1901829/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs