Mozilla Thunderbird 115 Supernova

What’s New

• Supernova UI with updated 3-Pane window with updated folder, message list, and message display panes; updated Quick Filter, Calendar and Address Book with new Vertical View, Unified Toolbar.
• New folders are now added to virtual parent folders and saved searches automatically
• Thunderbird can now open external .eml files in a tab
• “Move To” and “Copy To” actions added to Folder context menu
• Thunderbird now supports HKP keyservers that return one key per email address
• Thunderbird can now upload OpenPGP public keys to VKS and HKP keyservers
• Thunderbird now notifies the user if a message includes nested encryption, and allows viewing each encrypted part of the message
• OpenPGP signature dates are now shown for signed messages
• OpenPGP candidate keys can now be discovered and imported from GnuPG keyring, if external GnuPG is enabled
• Candidate OpenPGP keys are now automatically discovered from GnuPG keyring, if external GnuPG is enabled
• Thunderbird now supports option to always send public key with autocrypt header
• Automatic enabling/disabling of encryption can now be enabled through UI
• User-defined OpenPGP passphrases now supported
• OpenPGP signature filenames now always end in “.asc”
• Thunderbird can now open OpenPGP Key Manager dialog from commandline using “-keymanager” option
• Using CSS styles in composer enabled; set `editor.use_css` to true
• Thunderbird now supports OAuth2 for Fastmail
• Thunderbird now includes the option to send a minimal user agent header, or no header at all
• Thunderbird will now send a minimal user-agent header by default
• Searching for “about:config” in Settings now finds “about:config”
• Added option to always show system tray icon on Windows
• Address book cards now support phone and fax number links
• Thunderbird now includes a “app.update.log.file” preference to enable logging of updates
• Search Engines Enterprise Policy added
• Thunderbird can now individually reload remote calendars
• Added “Show tasks in calendar” option to Calendar Control menu
• Setting to use OS-configure timezone added

Changes

• Office365 accounts using password authentication will auto-migrate to OAuth2
• Thunderbird now uses a non-private browser for OAuth login, allowing login to Microsoft Office 365 with Conditional Access Policies enabled
• Thunderbird now opens all external links from 3-pane window in the user’s browser
• HTML emails are now rendered in Standards mode
• Link to “introduction to e2e encryption” article updated
• OpenPGP messages now default to using combined signing and encryption
• Thunderbird now displays a warning when trying to send a message if the current OpenPGP key is expired
• S/MIME signatures using the MD5 or SHA1 hash algorithms are now rejected
• Extension “Options” button now disabled rather than hidden when an extension is disabled or has no options
• Support for additional fields added to Address Book
• Search box in horizontal Address book layout moved to the left
• Updated Thunderbird color palette
• C++ NNTP implementation removed
• POP C++ implementation removed
• Thunderbird will reuse SMTP connections when sending multiple messages
• Names for empty Matrix rooms can now be localized
• Next and Previous Calendar menu items in Go menu now hidden until Calendar is activated

Fixes

• Users using Microsoft business email services may not be able to login due to deprecation of basic auth for Exchange
• Spell Check dialog did not open when selected text included a line break or new paragraph
• Autocomplete functionality in the composer failed under some circumstances
• Some emojis displayed incorrectly when added to a message; added angry face emoji
• Unicode character set information was not included in message header when composing message via “Forward” or “Edit as new message”
• Forwarding messages as attachment via drag-and-drop did not follow preference to add file extension to attachment file names
• Subject lines longer than the available title bar width in “New Message” window displaced title bar buttons on macOS
• Opening internal document links in PDF files opened a new tab with a copy of the document instead of scrolling to the linked location
• “Gentle smile” plain text 😉 emoticons were incorrectly rendered as “Strong smile”/”Laugh”
• Files saved via Save Attachment did not appear under Saved Files
• Buttons in message header (Reply, Forward, etc) were not keyboard accessible
• Drop-down buttons in message header could not be activated using Enter or Space
• A “Learn More” link was missing from the “Do not track” option in “Privacy & Security” Settings
• “Empty Trash on Exit” was not always triggered when message quarantine was enabled
• Emails in Yahoo and AOL accounts were incorrectly classified as Junk
• “Run Junk Mail Controls” did not work
• HTML signature containing image hosted on a web server changed source URL of image to local filename
• Changing the default search engine did not persist after closing “Settings” tab
• About dialog display of distribution.ini information restored
• All menu items in “Help” menu were disabled after sending a message on macOS
• An empty dialog message was displayed when sending an OpenPGP signed email with a key that could not be found
• When reopening OpenPGP-encrypted drafts/templates after closing the compose window, Thunderbird did not restore the subject line
• OpenPGP key verification only used first From field for emails with multiple From fields
• Encrypted attachment was displayed on OpenPGP encrypted messages, even if no attachment was available
• When disk is full, partial data left behind by IMAP/News folder compaction was not deleted
• Thunderbird did not decrypt OpenPGP messages with an additional outer signature layer
• (was: old subject) was not removed from message subject on reply with OpenPGP enabled
• Context menu could not be opened in OpenPGP key manager using keyboard
• “Passphrase” tab of Key Manager was incorrectly shown for public keys
• Upstream RNP version numbers now recognized as official in about:support
• Expired OpenPGP keys were shown as “Not found” in Account Settings
• Layout and styling issues with OpenPGP dialogs
• Encrypted messages could not be decrypted using revoked OpenPGP key
• Thunderbird no longer requires a primary secret key to be available when signing messages
• Thunderbird was unable to send signed messages with OpenPGP subkey
• OpenPGP Message Security dialog was sometimes positioned incorrectly
• Messages signed with revoked S/MIME certificates were displayed as correctly signed
• Auto-enabling and auto-disabling of E2E encryption did not behave as expected under certain circumstances
• Automatic detection of SSL/TLS connections during account creation was broken
• Canceling account setup during verification prevents account from being added again
• Manually-configured accounts were silently deleted after pressing “Finish” on Account Setup page
• Loss of messages would occur if messages were moved from POP/Local to IMAP while offline, followed by going online
• POP3 messages were deleted from server when attachments were detached from the message in Thunderbird
• Thunderbird sometimes did not synchronize offline IMAP folders after a restart
• IMAP autosync sometimes stopped after restoring computer from sleep or hibernation
• Loss of connection while moving multiple messages to an IMAP server could result in duplicate messages on source and destination servers
• Thunderbird did not check to see if “UTF8=ACCEPT” is supported by IMAP server before enabling it
• Copying IMAP folders between servers failed when source folder was previously copied and deleted from destination server, and destination server is set to only mark items as deleted
• IMAP folder “Compact” action did not wait for expunge operation to complete prior to compaction
• Progress dialog did not appear for manual retry of saving IMAP messages to Sent, Draft, or Template folders
• Embedded images now include filename and extension in header if none is included
• Messages could not be sent through some SMTP servers due to unhandled formatting of username prompt
• NNTP message streaming did not work, resulting in uncaught errors
• NNTP connection was not closed immediately if authentication dialog was canceled
• Search on Server only returned results for articles on the server that had already been downloaded
• Status bar did not update when NNTP server connected/disconnected
• Adding too many terms to an Advanced Address Book Search caused the list view to overflow without scrolling, making overflowed terms inaccessible
• Contact pane was not resizable when editing a contact
• Creating a new contact was possible while editing an existing contact, with data loss of unsaved changes possible
• Deleting or moving a contact from one address book to another did not update the list of cards
• CardDAV discovery now uses preset location if MX records point to Google
• Long lists of chat conversations could not be fully viewed or scrolled
• Thunderbird incorrectly addressed all XMPP pings to the connected XMPP server, rather than the originator of the ping
• Duplicate Matrix clients were created under certain circumstances, resulting in duplicate messages under the same account
• Encryption of new Matrix direct messages was not detected correctly
• Matrix direct message rooms were duplicated under certain circumstances
• Events were not shown in the correct week if week start was not set to Monday
• When creating a new event, the organizer was not automatically added to the event
• Calendar time-of-day indicator increasingly drifted ahead of current time when staying on calendar tab without switching to other tabs
• Multi-part messages could not be converted to tasks
• Editing events via right click menu failed to save changes
• Task previews did not show HTML formatting
• Attendees in Event Summary dialog were not selectable
• After restarting Thunderbird, all-day to-do tasks changed to tasks set at midnight of the same day
• Calendars with a name containing a slash could not be exported without first being renamed
• Extra linebreaks in Google Calendar event descriptions removed
• Modifying events in locally-hosted ICS calendars sometimes led to data loss
• Local calendars with custom timezone definitions unable to sync with CalDAV servers