
Get Involved
Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
Join UsVersion 118.0beta, first offered to channel users on August 30, 2023
Date range intervals in "Find Events" panel updated
Deleting an attachment from a message on an IMAP server corrupted the local copy when configured with "mark as deleted"
After moving an IMAP message to another folder, the incorrect message was selected in the message list
Adding a tag to an IMAP message opened in a tab failed
Manually entered passwords were not remembered for OAuth-authenticated accounts such as Yahoo mail
Junk/Spam folders were not always shown in Unified Folders mode
Setting an existing folder's type flag did not add descendant folders to the Unified Folders view
Middle-clicking a folder or message did not open it in a background tab, as in previous versions
Quick Filter's "Keep filters applied" did not persist after restarting Thunderbird
Notifications for new messages with non-ascii characters in the subject were garbled
Settings tab visual improvements: Advanced Fonts dialog, Section headers hidden behind search box
New Groups tab in NNTP subscribe dialog id not work as expected
Various visual and style fixes
Column separators are now shown between all columns in tree view
Card view and vertical layout are now default for new profiles
"Mark Thread As Read" did not work when some messages in thread were already read
"Tools" menu was blank when opened from compose window on macOS
Negative values were allowed in "Share for files larger than" field
Newsgroup field in compose window did not autocomplete with suggested newsgroup names
Canceling newsgroup messages did not check if sender matched user's own identity
Event dialog with several invitees expanded beyond screen height
Thunderbird sometimes crashed when deleting a parent folder with subfolders
"Send Message Error" appeared intermittently while Thunderbird was idle
Go > Folder menu was disabled
Top-level Quick Filter settings did not persist after restart
Focused but not selected messages were missing visual indication of focus in card view
Message check boxes were partially obstructed in message list
OpenPGP no longer attempts to re-initialize secret key storage if individual OpenPGP secret key passphrases have been enabled
Notification dot did not disappear from taskbar icon on Windows after messages had already been read
Multiple selected messages could not be opened simultaneously if selection included more than 19 messages
Email replies received via BCC incorrectly populated From field with default identity
Thunderbird did not always delete all temporary mail files, sometimes preventing messages from being sent
Status bar in Message Compose window could not be hidden
Message header was intermittently missing from message preview
OAuth2 did not work on some profiles created in Thunderbird 102.6.1 or earlier
Opening folder in new tab by clicking scroll wheel/middle mouse button did not work in Folder Pane
In Vertical View, decrypted subject lines were displayed as ellipsis ("...") in message list
Condensed address preference (mail.showCondensedAddresses) did not show condensed addresses in message list
User was not always notified of message send failures in outbox
Spam folder could not be assigned non-ASCII names with IMAP UTF-8 enabled
Tag dialog did not close properly after editing tag
Importing some CalDAV calendars with yearly recurrence events caused Thunderbird to freeze
Context menu items did not display a hover background color
Message header was not displayed until images finished loading, causing noticeable delay for messages containing large images
Some folders missing from Unified Folders