Release Notes

Thunderbird Desktop

Version 115.16.3esr | Released November 19, 2024

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.

Thunderbird 115.16.3esr is the final release of Thunderbird 115.

For help and a quick start on Thunderbird 115, see Thunderbird 115 Supernova FAQ.

For more on all the new features in Thunderbird 115, see What’s New in Thunderbird 115.

System Requirements: Details

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

Note that Thunderbird 115 is the final release to support Windows 7 and Windows 8.

What’s New

new

Add the 20 year donation appeal

What’s Fixed

fixed

Unable to open/view attached OpenPGP encrypted messages

fixed

S/MIME status was not displayed when opening an email from a file

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