Release Notes

Thunderbird Desktop

Version 78.0.1 | Released July 21, 2020

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

** Thunderbird version 78.0 is only offered as direct download from thunderbird.net and not as an upgrade from Thunderbird version 68 or earlier.** A future release will provide updates from earlier versions.

Add-on support: As of version 78.0, Thunderbird only supports MailExtensions. Your favorite add-ons may not have been updated for compatibility.

At this time, users of the Enigmail Add-on should not update to Thunderbird 78.

OpenPGP functionality for Thunderbird 78 is still work in progress, and is disabled by default in the 78.0.1 release. See the wiki for how to enable and help with testing.

System Requirements: Details

  • Windows: Windows 7 or later
  • Mac: macOS 10.9 or later
  • Linux: GTK+ 3.14 or higher

What’s New

new

OpenPGP: Key revocation, extending key expiration, and secret key backup

What’s Fixed

fixed

Drag & Drop multiple attachments to macOS Finder created duplicate files

fixed

Faceted search date and relevance settings not saved

fixed

FileLink attachments included as a link and file when added from a network drive via drag & drop

fixed

About Thunderbird dialog keyboard shortcuts did not work

fixed

CC'd recipients sometimes displayed collapsed in header pane

fixed

Incremental search in contacts sidebar did not always display local results when an LDAP server was also in use

fixed

Contacts sidebar search results cleared after removing a contact

fixed

OpenPGP: Messages with long Armor Header lines did not display

fixed

OpenPGP: Messages containing non-UTF-8 text were not supported

fixed

Various UI and theming fixes

fixed

Chat: Participants list did not display operator flags

Learn What’s Next

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