Release Notes

Thunderbird Desktop

Version 115.4.3 | Released November 16, 2023

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 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

What’s Fixed

fixed

Forwarding multiple messages as attachments failed

fixed

Message list scrolling fixes

fixed

Some text remained incorrectly visible in the message list when using "Grouped By" sorting

fixed

Subject lines were excessively indented in "Grouped by" views

fixed

"Open Message in Conversation" was incorrectly enabled for selections of multiple messages

fixed

States of collapsed and expanded threads were not maintained when switching folders

fixed

Pressing "n" to move to the next unread message on an unread, collapsed thread opened the thread and selected the second message instead of the first

fixed

Search Folders dialog improvements

fixed

"Read Messages" button in Account Central did not retrieve mail from POP accounts

fixed

Events canceled by the organizer were incorrectly sent cancelation message

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