It looks like this may have been fixed. Checking and unchecking Subscribe works as expected.
sciri@unusual:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 15.10 Release: 15.10 Codename: wily sciri@unusual:~$ dpkg-query -l thunderbird Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-===================-==============-==============-=========================================== ii thunderbird 1:38.5.1+build amd64 Email, RSS and newsgroup client with integr sciri@unusual:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1489564 Title: Unsubscribing from an IMAP folder makes folder disappear completely from Subscription list and prompts to delete parent folder. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1489564/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
