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Join UsVersion 78.8.0, first offered to channel users on February 23, 2021
Importing an address book from a CSV file always reported an error
Security information for S/MIME messages was not displayed correctly prior to a draft being saved
Calendar: FileLink UI fixes for Caldav calendars
Recurring tasks were always marked incomplete; unable to use filters
Various UI widgets not working
Dark theme improvements
Extension manager was missing link to addon support web page
Various security fixes