Beta Notes

Thunderbird Desktop

Version 122.0beta | Released December 20, 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.

These notes apply to Thunderbird version 122 beta 4 released January 10, 2024.

System Requirements: Details

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

What’s Changed

changed

Removed "mail.openpgp.key_assistant.enable" preference

changed

Activity Manager now shows account and full folder path when indexing

What’s Fixed

fixed

When starting Thunderbird, unread message count did not appear on collapsed accounts

fixed

Thunderbird "--chrome" flag incorrectly opened extra messenger.xhtml

fixed

Thunderbird "--migration" flag opened empty window

fixed

Some menu bar items did not work with all Thunderbird windows closed on macOS

fixed

Add-ons did not start correctly when opening Thunderbird from other programs

fixed

Thread tree did not update when live language switching

fixed

Double-clicking empty space in message pane incorrectly opened the currently selected message

fixed

Card View behavioral and visual improvements

fixed

Sort order was sometimes incorrect in Grouped By views

fixed

Enabling Grouped By view after reversing sort order of column header caused messages to be grouped incorrectly

fixed

Contacts deleted from mailing list view still visible in Details view

fixed

Adding duplicate mail addresses in "New/Edit mailing list" dialog, pressing OK, then removing one of the duplicate addresses causes both addresses to be removed

fixed

Canceling SMTP send before progress reached 100% did not stop message from sending

fixed

Various S/MIME improvements

fixed

PDF attachments open in a separate tab did not always restore correctly after restarting Thunderbird

fixed

Drag-and-drop installation of add-ons did not work if Add-ons Manager was opened from Unified Toolbar

fixed

Opening thread pane context menu via keyboard did not always scroll view to selection

fixed

After selecting contacts in Address Book and starting a new search, the search results list did not update

fixed

Message List display options were hidden outside of Thunderbird window

fixed

Chat Account Settings did not allow scrolling to view overflowed window contents

Fixed in beta 2

What’s Fixed

fixed

Newsgroups did not always prompt for password, preventing download of list of groups

fixed

New mail indicator for POP3 accounts did not indicate new messages ready to be downloaded

fixed

Messages could not be moved to folders using Message > Move To if text or a link in the message had been clicked on first

Fixed in beta 3

What’s Fixed

fixed

Some OpenPGP dialogs were too small for their contents

fixed

Account Manager did not work with hostnames entered as punycode

fixed

Blank window was sometimes displayed when starting Thunderbird

Fixed in beta 4

What’s Fixed

fixed

Reversing sort order of Grouped By views in quick search did not reverse

fixed

Size of collapsed folders in folder pane did not include size of subfolders

fixed

Switching to thread pane of a folder using keyboard navigation did not focus top message

fixed

Removing threaded messages in a unified folder sometimes resulted in an incorrect number of levels in the thread

fixed

Inbox view intermittently reverted to default view after moving or deleting messages

Learn What’s Next

Thunderbird keeps getting better. Subscribe to our newsletter and follow us on social media to stay informed.