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Drag & Drop a contact name from Thunderbird address book (list view) to address box in a new message “compose” window failed.
UI elements became larger when moused over on retina displays/monitor on Mac OS X
Automatic correspondents column upgrade disabled
DIGEST-MD5 authentication in JS-XMPP failed for some users (now disabled).
Font indicator in compose falsely claimed certain fonts were not installed.
Printing failed in composition window.
Various security fixes
Various improvements in handling of message compose in paragraph mode.
Email with signature and safe HTML elements is sent as HTML, despite "Delivery Format: Auto-detect" option