* Calendar: Task and Event tree colours adjusted for the dark theme
* Retrieval of S/MIME certificates from LDAP failed
* Address-parsing crash on some IMAP servers when
mail.imap.use_envelope_cmd is set
* Incorrect forwarding of HTML messages caused SMTP servers to
respond with a timeout
* Calendar: Various parts of the calendar UI stopped working when
a second Thunderbird window opened
OBS-URL: https://build.opensuse.org/package/show/mozilla:Factory/MozillaThunderbird?expand=0&rev=516
