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Join UsVersion 125.0beta, first offered to channel users on March 19, 2024
OpenPGP Key Manager can now create revocation statements for any secret key
"Archived-At" message header field is now displayed as a link, and Message Permalink option is now available in List-Id menu
Thunderbird now decodes messages nested in attachments even if "decodeSubMessages" preference is set to "true"
Threaded message views now include "New Message" count
Improved Cards View UI
IMAP, POP3, and SMTP Exchange autoconfiguration did not support autoconfiguration of encryption
Creating a tag in General Settings with a number as the tag name did not work
Password Manager did not remember the last selected item when changing sorting or showing/hiding passwords in unfiltered view
Entries removed from Password Manager left behind blank entries
Quick Filter button selections did not persist after restart
Messages moved to junk folder from message context menu were marked as read, regardless of whether "Mark messages determined to be junk as read" was checked/unchecked in settings
IMAP accounts with missing or incorrect OAuth credentials sometimes caused duplicate dialogs to appear, requesting a new OAuth token
Retrieving multiline POP3 message from server failed if message chunk ended in newline instead of carriage return and newline
Connection sometimes timed out when a large number of POP3 messages were left on server
Collapsing and expanding message list headers sometimes caused header to scroll out of view
Holding Shift key while selecting "Delete" from message context menu did not permanently delete message
Holding Shift and middle-clicking a message with "loadInBackground" preference set to "false" did not open new tab in background as expected
Single message with no children inside a parent thread sometimes displayed incorrectly as a thread with a duplicate of itself as its child
"Watch Thread" command was incorrectly available on multi-folder and search views
"Ignore Thread" did not work on multi-folder and search views
Tooltip did not appear when hovering over subject line of messages in Table View
Message compose window was not fully disabled while message was sending
Delivery Status Notification did not work when sending message using "Send Later"
Thunderbird did not remove temporary directory created from adding attachment to message via drag-and-drop
Creating a new key from the OpenPGP Key Manager erroneously displayed a "Go Back" button on the first page of the wizard
Thunderbird sometimes changed the subject of messages selected while simultaneously decrypting a large PGP-encrypted message
New posts retrieved from RSS feeds incorrectly played mail alert sound
Non-empty address book search bar interfered with displaying/editing contacts
Deleting attendees from "Invite Attendees" view removed attendees from view, but not from invite
"Close" button in Cookie Manager is now more discoverable on macOS
Date column of "Grouped By" message views now refreshes at midnight, preventing incorrect dates from being displayed
"Download and Sync Messages" dialog was too short when using Russian locale, obscuring OK button
Changing message view density did not behave as expected
Various visual improvements
SMTP messages using GSSAPI authentication failed to send
Hardware key multi-factor authentication did not in Thunderbird Flatpak
GPG smartcards did not work in Thunderbird for macOS
Status of IMAP message download progress was incorrect in some locales
Splitter arrow between task list and task description did not behave as expected
Dropmarker in Today Pane was not centered