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Join UsVersion 45.7.0, first offered to channel users on January 25, 2017
Message preview pane non-functional after IMAP folder was renamed or moved
"Move To" button on "Search Messages" panel not working
Message sent to "undisclosed recipients" shows no recipient (non-functional since Thunderbird version 38)
Calendar: No way to accept/decline email invitations when sent and received messages are stored in the same folder
Various security fixes