If anyone is able to reproduce the problem, please before deleting the local langpacks from the profile directory, check its timestamp:
find ~/.thunderbird -name langpack*@thunderbird.mozilla.org.xpi -exec ls -l {} \; and compare it against the date/time you first launched thunderbird after upgrading to 20.10. -- 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