Beta Notes

Thunderbird Desktop

Version 118.0beta | Released August 30, 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 118 beta 6 released September 20, 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

Date range intervals in "Find Events" panel updated

What’s Fixed

fixed

Deleting an attachment from a message on an IMAP server corrupted the local copy when configured with "mark as deleted"

fixed

After moving an IMAP message to another folder, the incorrect message was selected in the message list

fixed

Adding a tag to an IMAP message opened in a tab failed

fixed

Manually entered passwords were not remembered for OAuth-authenticated accounts such as Yahoo mail

fixed

Junk/Spam folders were not always shown in Unified Folders mode

fixed

Setting an existing folder's type flag did not add descendant folders to the Unified Folders view

fixed

Middle-clicking a folder or message did not open it in a background tab, as in previous versions

fixed

Quick Filter's "Keep filters applied" did not persist after restarting Thunderbird

fixed

Notifications for new messages with non-ascii characters in the subject were garbled

fixed

Settings tab visual improvements: Advanced Fonts dialog, Section headers hidden behind search box

fixed

New Groups tab in NNTP subscribe dialog id not work as expected

fixed

Various visual and style fixes

New, changed, & fixed in beta 2

What’s New

new

Column separators are now shown between all columns in tree view

What’s Changed

changed

Card view and vertical layout are now default for new profiles

What’s Fixed

fixed

"Mark Thread As Read" did not work when some messages in thread were already read

fixed

"Tools" menu was blank when opened from compose window on macOS

fixed

Negative values were allowed in "Share for files larger than" field

fixed

Newsgroup field in compose window did not autocomplete with suggested newsgroup names

fixed

Canceling newsgroup messages did not check if sender matched user's own identity

fixed

Event dialog with several invitees expanded beyond screen height

Fixed in beta 3

What’s Fixed

fixed

Thunderbird sometimes crashed when deleting a parent folder with subfolders

fixed

"Send Message Error" appeared intermittently while Thunderbird was idle

fixed

Go > Folder menu was disabled

fixed

Top-level Quick Filter settings did not persist after restart

fixed

Focused but not selected messages were missing visual indication of focus in card view

fixed

Message check boxes were partially obstructed in message list

New and fixed in beta 4

What’s New

new

OpenPGP no longer attempts to re-initialize secret key storage if individual OpenPGP secret key passphrases have been enabled

What’s Fixed

fixed

Notification dot did not disappear from taskbar icon on Windows after messages had already been read

fixed

Multiple selected messages could not be opened simultaneously if selection included more than 19 messages

fixed

Email replies received via BCC incorrectly populated From field with default identity

fixed

Thunderbird did not always delete all temporary mail files, sometimes preventing messages from being sent

fixed

Status bar in Message Compose window could not be hidden

Fixed in beta 5

What’s Fixed

fixed

Message header was intermittently missing from message preview

fixed

OAuth2 did not work on some profiles created in Thunderbird 102.6.1 or earlier

fixed

Opening folder in new tab by clicking scroll wheel/middle mouse button did not work in Folder Pane

fixed

In Vertical View, decrypted subject lines were displayed as ellipsis ("...") in message list

fixed

Condensed address preference (mail.showCondensedAddresses) did not show condensed addresses in message list

fixed

User was not always notified of message send failures in outbox

fixed

Spam folder could not be assigned non-ASCII names with IMAP UTF-8 enabled

fixed

Tag dialog did not close properly after editing tag

fixed

Importing some CalDAV calendars with yearly recurrence events caused Thunderbird to freeze

fixed

Context menu items did not display a hover background color

Fixed in beta 6

What’s Fixed

fixed

Message header was not displayed until images finished loading, causing noticeable delay for messages containing large images

Known Issues

unresolved

Some folders missing from Unified Folders

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