Beta Notes

Thunderbird Desktop

Version 120.0beta | Released October 25, 2023

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.

These notes apply to Thunderbird version 120 beta 7 released November 15, 2023.

System Requirements: Details

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

What’s Changed

changed

Default sort order of messages in message list changed to descending (newest at top)

481143

What’s Fixed

fixed

Forwarding multiple messages as attachments failed

1859938

fixed

Messages with slow-loading images were delayed being marked as read

1855758

fixed

Cards View UX improvements

1855821 1855823 1856623 1857613 1857627 1859036

fixed

Toolbar View widget fixes

1838589 1858750

fixed

Search Folders dialog improvements

1855112 1859050

fixed

Vcard photos were not imported when using opening the file with Thunderbird

1859114

fixed

RSS feeds with lengthy attachment filenames cut off visible content

1858114

fixed

RSS feeds with no favicon displayed default icon in the folder color

1858178

fixed

Calendar startup performance improvements

1856509

fixed

Publishing calendar events via authenticated WebDAV failed

1857033

fixed

Various accessibility improvements

1856396

fixed

Visual and Theme improvements

1844729 1854830 1857789 1858381 1858942 1859894 1860043 1860218

Fixed in beta 2

What’s Fixed

fixed

No messages or calendar items were displayed on startup

1860885

fixed

Message list scrolling fixes

1827042 1845391

fixed

Insert image dialog was not properly sized on some localized builds

1860503

fixed

The "unencrypted subject" icon was always briefly displayed when replying to a message

1828591

fixed

Publishing calendars to invalid URLs did not display a helpful error

1841547

fixed

Converting a message to an event failed when the message pane was not displayed

1857835

fixed

Redirect dialog displayed for WebDAV calendars was too small

1856340

fixed

Visual and theme fixes

1691138 1860272

New & fixed in beta 3

What’s New

new

Beta branded logos for Thunderbird beta releases

1845794

new

Autocrypt Gossip key distribution added

1853674

What’s Fixed

fixed

Advanced GnuPG keys may be protected with an unexpected passphrase

1859978

fixed

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

1839035

Fixed in beta 4

What’s Fixed

fixed

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

1858733

fixed

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

1807063

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

1847792

fixed

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

1860539

fixed

Initial message was not automatically selected when opened in conversation

1856266

fixed

Subject lines were excessively indented in "Grouped by" views

1841256

Fixed in beta 5

What’s Fixed

fixed

Events canceled by the organizer incorrectly sent cancelation message

1861355

Fixed in beta 6

What’s Fixed

fixed

If started offline, Thunderbird did not download some IMAP messages after going back online

1854586

fixed

Newsgroup users using FQDN identity generated message ID headers with incorrect domain name

1846837

fixed

Matrix messages did not display

1862208

fixed

Link previews had poor legibility in dark mode

1820244

Fixed in beta 7

What’s Fixed

fixed

Plasma's task switcher displayed the default icon when running the Thunderbird Flatpak on Wayland

1863262

fixed

Link to Flatpak manifest was incorrect

1863594

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