Release Notes

Thunderbird Desktop

Version 128.2.2esr | Released September 18, 2024

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 help and a quick start on Thunderbird 128, see Thunderbird 128 Nebula FAQ

For more on all the new features in Thunderbird 128, see What’s New in Thunderbird 128.

System Requirements: Details

  • Windows: Windows 10 or later
  • Mac: macOS 10.15 or later
  • Linux: GTK+ 3.14 or higher

What’s New

new

Account setup is updated to support OAuth2 granular permissions

What’s Fixed

fixed

Thunderbird could crash when using return receipt with OWL add-on

fixed

Folder pane display was blank due to invalid mail server hostname

fixed

Some users were unable to log in to Microsoft 365

fixed

Matrix end-to-end encryption tab in account settings could be shown for XMPP account

fixed

Participant and message were not populated when user left the room using XMPP

fixed

Visual and UX improvements

Learn What’s Next

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