This is the related mozilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=807848, and https://bugzilla.mozilla.org/show_bug.cgi?id=842073 provides background information and -noise.
** Bug watch added: Mozilla Bugzilla #807848 https://bugzilla.mozilla.org/show_bug.cgi?id=807848 ** Bug watch added: Mozilla Bugzilla #842073 https://bugzilla.mozilla.org/show_bug.cgi?id=842073 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1213744 Title: thunderbird stopped displaying folders To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1213744/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs