Beta Notes

Thunderbird Desktop

Version 129.0beta | Released July 11, 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 129 beta 6 released July 29, 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

Message filters are now available in the Folder Pane context menu

1845206

new

Added in-tree documentation for custom element conventions

1904357

new

Added Thunderbird-specific loading symbol

1905839

What’s Fixed

fixed

Importing profiles from SeaMonkey did not work in certain circumstances

1825995

fixed

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

550286

fixed

UTF-8 encoded messages became garbled when encrypted using inline OpenPGP

1899110

fixed

"Unread" and "Total" columns did not display message count when using "Grouped by" sorting

1901439 1902255

fixed

Selecting messages and then switching to a new folder with no selected messages did not clear selected messages count

1905542

fixed

Opening profile import tab then restarting Thunderbird caused import tab to malfunction

1905708

fixed

Quick Filter did not display loading symbol when search was in progress

1874419

fixed

Could not add events to CalDAV calendar when UID contained special characters

1716745

fixed

Height of Find Events panel did not persist after restart of Thunderbird

1846509

fixed

Long message headers sometimes overflowed with "Show Headers" enabled, causing layout issues

1906107

Fixed in beta 2

What’s Fixed

fixed

Visual and UX improvements

1906432 1906498 1906499

Fixed in beta 3

What’s Fixed

fixed

Internal bug fixes

1906833 1907440

Fixed in beta 4

What’s Fixed

fixed

Users of external GnuPG could send signed encrypted messages that were corrupted

1898832

fixed

Users of external GnuPG were unable to decrypt incorrectly encoded messages

1906903

fixed

Flatpak created a duplicate unpinned icon in Linux dock after launching Thunderbird

1904390

fixed

Digital signatures on signed-only OpenPGP messages were broken with some providers

1908113

fixed

Visual and UX improvements

1875054 1907761

Fixed in beta 5

What’s Fixed

fixed

Potential memory leak in local folder repair

1906835

fixed

Visual and UX improvements

1906497 1906758

fixed

Internal bug fixes

1906087

Fixed in beta 6

What’s Fixed

fixed

Could not add override for a certificate with the wrong hostname

1903135

fixed

Spell checker dictionary was not available for Flatpak install

1908046

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