Release Notes

Thunderbird Desktop

Version 115.1.1 | Released August 15, 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.

Thunderbird version 115 is only offered as direct download from thunderbird.net and not as an upgrade from Thunderbird version 102 or earlier. A future release will provide updates from earlier versions.

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

Some HTML emails printed headers on first page and message on subsequent pages

fixed

Deleting messages from message list sometimes scrolled list to bottom, selecting bottommost message

fixed

Width of icon columns (like Junk or Starred) in message list did not adjust when UI density was changed

fixed

Old OpenPGP secret keys could not be used to decrypt messages under certain circumstances

fixed

When multiple folder modes were active, tab focus navigated through all folder mode options before reaching message list

fixed

Unread message count badge was not displayed on parent folders of subfolder containing unread messages

fixed

"Undo archive" (via Ctrl-Z) did not un-archive previously archived messages

fixed

"New" button dropdown menu in "Message Filters" dialog could not be opened via keyboard navigation

fixed

"Show New Mail Alert for" input field in "Customize New Mail Alert" dialog had zero width when using certain language packs

fixed

"Account Wizard" dialog was too narrow when adding a news server, partially hiding confirmation buttons

fixed

Link Properties and Image Properties dialogs in the composer were too wide

fixed

Thunderbird version number and details in "About" dialog were not automatically read by screen readers when first opening dialog

fixed

Flatpak improvements and bug fixes

fixed

Various visual and UX improvements

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