Please disregard that, I managed to track it down. The user interface mess is caused by the SyncKolab addon I have installed. When disabling it, everything looks normal.
Thanks for pointing me in the right direction! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/876605 Title: URL not shown in status bar in Thunderbird 7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/876605/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs