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Join UsVersion 107.0beta, first offered to channel users on October 19, 2022
Enterprise policies now support Thunderbird-specific preferences
Thunderbird will now catch and report errors parsing vCards that contain incorrectly formatted dates
Release notes opened from Thunderbird's about: dialog will now open in the default web browser
Ctrl+N
shortcut to create new contacts from address book restored
"Address Book" button in Account Central will now create a CardDAV address book instead of a local address book
Various App Menu improvements
Dynamic language switching did not update interface when switched to right-to-left languages
Forwarding message with special characters in subject as an attachment failed on Windows
HTML signature containing image hosted on a web server changed source URL of image to local filename
-remote
command line argument did not work, affecting integration with various applications such as LibreOffice
Custom header data was discarded after messages were saved as draft and reopened
IMAP authentication failed on next startup if ImapMail folder was deleted by user
Messages fetched from POP server in Fetch headers only
mode disappeared when moved to different folder by filter action
Retrieving passwords for authenticated NNTP accounts could fail due to obsolete preferences in a users profile on every startup
Get Next n Messages
did not consistently fetch all messages requested from NNTP server
Get Messages
button unable to fetch messages from NNTP server if root folder not selected
Error responses received in greeting header from NNTP servers did not display error message
Creating security exceptions for messages sent using a self-signed certificate failed if hostname contained uppercase letters
VCards with nickname field set could not be edited
LDAP search filters unable to work with non-ASCII characters
Help text for /part
Matrix command was incorrect
Publishing calendar caused Thunderbird to freeze
Download requests for remote ICS calendars incorrectly set "Accept" header to text/xml
Monthly events created on the 31st of a month with <30 days placed first occurrence 1-2 days after the beginning of the following month
Local calendars with custom timezone definitions unable to sync with CalDAV servers
Various Invitation Display improvements
Various visual and UX improvements
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Thunderbird re-downloaded locally deleted messages from a POP server when "Leave messages on server" and "Until I delete them" were enabled
"Today" highlighting in Calendar Month view did not update after date change at midnight
Users using Microsoft business email services may not be able to login due to deprecation of basic auth for Exchange
Importing secret OpenPGP keys failed when public key with public subkey was already present
Thunderbird can now fetch RSS channel feeds with incomplete channel URL
New POP mail notifications were shown for messages marked by filters as read or junk
News messages sent using "Send Later" failed to send after going back online
"Download/Sync Now..." did not completely sync all newsgroups before going offline
Username was missing from error dialog on failed login to news server
Invite Attendees dialog did not fetch free/busy info for attendees with encoded characters in their name
Add-on "Contribute" button in Add-ons Manager did not work