Release Notes

Thunderbird Desktop

Version 78.2.1 | Released August 29, 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 78.2.1 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. Automatic updates are available for users already running version 78.0 or higher.

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

System Requirements: Details

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

What’s Changed

changed

OpenPGP enabled by default

changed

OpenPGP: Disabled the use of MD5/SM2/SM3 algorithms

What’s Fixed

fixed

OpenPGP: Users with sub-identities were unable to encrypt or sign messages when switching identities

fixed

OpenPGP message security window did not support dark mode

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