This looks like fallout from #897156 . After applying the patch in said bugreport, xul-ext-calendar-timezones is recognized as compatible with Thunderbird 8.0.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/897153 Title: xul-ext-calendar-timezones: Timezone Definitions for Mozilla Calendar is incompatible with Thunderbird 8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightning-extension/+bug/897153/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs