Beta Notes

Thunderbird Desktop

Version 84.0beta | Released October 22, 2020

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.

These notes apply to Thunderbird version 84 beta 3 released December 4, 2020.

System Requirements: Details

  • Windows: Windows 7 or later
  • Mac: macOS 10.12 or later
  • Linux: GTK+ 3.14 or higher

What’s New

new

OpenPGP: "Copy Key Id" option added to Key Manager context menu

new

Calendar: Support opening of .ics files by double-click

What’s Changed

changed

Thunderbird now only shows quota exceeded indications on the main window

changed

MailExtensions: message.compose API extended with EditAsNew and Template functions

changed

MailExtensions: menus API enabled in messages being composed

What’s Fixed

fixed

"Place replies in the folder of the message being replied to" did not work when using "Reply to List"

fixed

Thunderbird did not honor the "Run search on server" option when searching messages

fixed

OpenPGP: After importing a secret key, Key Manager displayed properties of the wrong key

fixed

OpenPGP: Key were missing from Key Manager

fixed

Print preview was blank

fixed

Autoconfig via LDAP did not work as expected

fixed

Various visual improvements

fixed

MailExtensions: compose.beginForward did not respect composeDetails argument

Changed and Fixed in Beta 2

What’s Changed

changed

MailExtensions: getComposeDetails will wait for "compose-editor-ready" event

changed

MailExtensions: Honor allowScriptsToClose argument in windows.create API function

What’s Fixed

fixed

Highlight color for folders with unread messages wasn't visible in dark theme

fixed

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

fixed

New mail icon was not removed from the system tray at shutdown

fixed

Address book: Printing members of a mailing list resulted in incorrect output

fixed

Calendar: Auto-detection failed for GSuite accounts

fixed

Calendar: Pressing Ctrl-Enter in the new event dialog would create duplicate events

New, Changed and Fixed in Beta 3

What’s New

new

MailExtensions: Added browser.windows.openDefaultBrowser()

What’s Changed

changed

MailExtensions: APIs that returned an accountId will reflect the account the message belongs to, not what is stored in message headers

changed

MailExtensions: browserAction, composeAction, and messageDisplayAction toolbar buttons now support label and default_label properties

What’s Fixed

fixed

Running a quicksearch that returned no results did not offer to re-run as a global search

fixed

OpenPGP: When signature verification failed on an unencrypted message, Thunderbird incorrectly reported that the message was encrypted and could not be decrypted

fixed

Address book: Some columns incorrectly displayed no data

fixed

Address book: The address book view did not update after changing the name format in the menu

fixed

Calendar: Dark theme was incomplete on Linux

fixed

Calendar: Could not import an ICS file into a CalDAV calendar

Known Issues

unresolved

Printing from calendar does not work

Learn What’s Next

Thunderbird keeps getting better. Subscribe to our newsletter and follow us on social media to stay informed.