recreating the account worked (after the login.ubuntu.com page, I got redirected to the accounts.google.com page to allow thunderbird to access mail & calendar, that was not happening with my existing account after the package update)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1968004 Title: Thunderbird opens new window (login.ubuntu.com for me) when trying to open any mail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1968004/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs