Release Notes

Thunderbird Desktop

Version 91.8.1 | Released April 18, 2022

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.

For more on all the new features in Thunderbird 91, see New in Thunderbird 91.0.

System Requirements: Details

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

What’s Fixed

fixed

CLIENTID extension to SMTP was not supported by smtp-js

fixed

Additional SMTP errors now propagated to user

fixed

OpenPGP was not able to use some previously supported key types

fixed

OpenPGP Key Manager did not always display correct information after importing additional IDs

fixed

Duplicate new mail notifications could be displayed when server-side filters were in use

fixed

Cancelling an SMTP password entry resulted in multiple failure dialogs being displayed

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