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Join UsVersion 84.0beta, first offered to channel users on October 22, 2020
OpenPGP: "Copy Key Id" option added to Key Manager context menu
Calendar: Support opening of .ics files by double-click
Thunderbird now only shows quota exceeded indications on the main window
MailExtensions: message.compose API extended with EditAsNew and Template functions
MailExtensions: menus API enabled in messages being composed
"Place replies in the folder of the message being replied to" did not work when using "Reply to List"
Thunderbird did not honor the "Run search on server" option when searching messages
OpenPGP: After importing a secret key, Key Manager displayed properties of the wrong key
OpenPGP: Key were missing from Key Manager
Print preview was blank
Autoconfig via LDAP did not work as expected
Various visual improvements
MailExtensions: compose.beginForward did not respect composeDetails argument
MailExtensions: getComposeDetails will wait for "compose-editor-ready" event
MailExtensions: Honor allowScriptsToClose argument in windows.create API function
Highlight color for folders with unread messages wasn't visible in dark theme
The "Link" button on the large attachments info bar failed to open up Filelink section in Options if the user had not yet configured Filelink
New mail icon was not removed from the system tray at shutdown
Address book: Printing members of a mailing list resulted in incorrect output
Calendar: Auto-detection failed for GSuite accounts
Calendar: Pressing Ctrl-Enter in the new event dialog would create duplicate events
MailExtensions: Added browser.windows.openDefaultBrowser()
MailExtensions: APIs that returned an accountId will reflect the account the message belongs to, not what is stored in message headers
MailExtensions: browserAction, composeAction, and messageDisplayAction toolbar buttons now support label and default_label properties
Running a quicksearch that returned no results did not offer to re-run as a global search
OpenPGP: When signature verification failed on an unencrypted message, Thunderbird incorrectly reported that the message was encrypted and could not be decrypted
Address book: Some columns incorrectly displayed no data
Address book: The address book view did not update after changing the name format in the menu
Calendar: Dark theme was incomplete on Linux
Calendar: Could not import an ICS file into a CalDAV calendar
Printing from calendar does not work