This ended up causing my release upgrade to go burst into flames. That's documented in https://bugs.launchpad.net/ubuntu/+source/ubuntu-release- upgrader/+bug/2061923 .
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2061918 Title: package thunderbird 2:1snap1-0ubuntu1 failed to install/upgrade: new thunderbird package pre-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/2061918/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs