Beta Notes

Thunderbird Desktop

Version 128.0beta | Released June 12, 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.

These notes apply to Thunderbird version 128 beta 6 released July 1, 2024.

System Requirements: Details

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

What’s New

new

Changing expiration of OpenPGP keys with a "complex" structure now supported

What’s Changed

changed

A warning is now displayed when importing OpenPGP keys that advertise unsupported features

changed

Search bars in Thunderbird now use a common custom element for more consistency

changed

Importer for "Becky! Internet Mail" removed

changed

"Prefer Display Name" option removed from individual contacts

changed

Address book updated to new card design

changed

Addressbook toolbar updated

changed

Calendar ICS file import now always uses new importer

What’s Fixed

fixed

Thunderbird sometimes displayed a blank screen on startup

fixed

Selecting multiple folders in folder tree was not possible

fixed

Accidental deletion of multiple messages occurred when Delete was pressed and held

fixed

Message count for synthetic folder views was sometimes incorrect

fixed

Count of message in a thread was not refreshed when a message was deleted externally

fixed

Headers for messages in POP accounts could be parsed incorrectly causing display issues

fixed

Resetting the global search bar content loses focus

fixed

Autodiscover HTTP requests did not include Basic Authentication headers

fixed

OpenPGP decoding of Base64 data did not allow for spaces and tabs before footer

fixed

Context menu cleanup

fixed

Querying DNS TXT records that return multiple records failed

fixed

CardDAV contacts synced to server when no changes were made

fixed

Thunderbird incorrectly rejected some valid RSS feeds

fixed

Updating times of recurring events also modified the event exception times

fixed

Keyboard accessibility fixes

fixed

Dark mode colors were inconsistent throughout application

fixed

Various visual and theme updates

Fixed in beta 2

What’s New

new

Selection indicator added to folder pane and address book pane

What’s Changed

changed

Decryption of PGP messages using AEAD/OCB mechanism re-enabled

What’s Fixed

fixed

Standalone window titles no longer included message subject on macOS

fixed

Currently selected address book icon was solid color when creating a new contact

fixed

Removing Organizational Properties from a contact did not clear all organization related fields

Fixed in beta 3

What’s New

new

Custom account colors are now shown in the "From" field when composing a message

What’s Changed

changed

Updated donation link from "give.thunderbird.net" to "www.thunderbird.net/donate/"

What’s Fixed

fixed

Commandline "--migration" option did not work

fixed

All Thunderbird notifications on Windows are now removed when Thunderbird is closed

fixed

Tag folders with non-alphanumeric characters did not work correctly

fixed

When using an external installation of GnuPG, Thunderbird occassionally sent/received corrupted messages

fixed

S/MIME status (encryption and signature) was not shown when opening an email from a file

fixed

Profile migrations from Thunderbird 35 or below to a newer version sometimes failed to determine the protocol of the outgoing server

fixed

Various visual and UX improvements

New and Fixed in beta 4

What’s New

new

Help menu now includes additional information for Beta and Daily users

What’s Fixed

fixed

Compacting did not correctly report the amount of space saved on Windows

fixed

Scrolling to an unread message in an expanded thread did not show as much of the thread as possible

fixed

In a synthetic view, right-clicking an unselected message incorrectly selected the message

fixed

In cards view, when all child messages of a thread were read, the replies button incorrectly displayed the unread icon

fixed

Messages could not be sorted by columns that were not visible

fixed

Source of 'news:' links were incorrectly attached to messages by default

fixed

Account manager and about:support could break if the chat buddy list became corrupted

fixed

Various visual and UX improvements

Fixed in beta 5

What’s Fixed

fixed

Restart was necessary to read an NNTP message if a network error occured during message retrieval

fixed

Various visual and UX improvements

Fixed in beta 6

What’s Fixed

fixed

Display columns reverted to default columns after an IMAP folder was repaired

fixed

Mark as "Read By Date" was not available when a folder with unread messages was selected

fixed

Drag-and-drop moved a previously selected folder when dragging and dropping another unselected folder

fixed

Parsing an email address with a comment caused a failure for OpenPGP

fixed

Thunderbird defaulted to insecure connection when Exchange Autodiscover configuration was misconfigured

fixed

Calendar 'Find Events Pane' did not match search terms if they included uppercase letters

fixed

Various visual and UX improvements

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