I can't reproduce the issue here, with the equivalent french extension. I can confirm that the thunderbird desktop reference goes into gsettings as soon as I check the keep in launcher option.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/765736 Title: Thunderbird won't stay in launcher and no quicklist -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs