Changes • Ctrl+N shortcut to create new contacts from address book restored Fixes • Account Settings UI did not update to reflect default identity changes • New POP mail notifications were incorrectly shown for messages marked by filters as read or junk • Connecting to an IMAP server configured to use PREAUTH caused Thunderbird to hang • Error responses received in greeting header from NNTP servers did not display error message • News messages sent using "Send Later" failed to send after going back online • "Download/Sync Now..." did not completely sync all newsgroups before going offline • Username was missing from error dialog on failed login to news server • Thunderbird can now fetch RSS channel feeds with incomplete channel URL • Add-on "Contribute" button in Add-ons Manager did not work • Help text for /part Matrix command was incorrect • Invite Attendees dialog did not fetch free/busy info for attendees with encoded characters in their name • Various security fixes