Release Notes

Thunderbird Desktop

Version 102.0 | Released June 29, 2022

Check out the notes below for this version of Thunderbird. As always, you’re encouraged to tell us what you think, ask for help, or file a bug in Bugzilla.

Thunderbird version 102.0 is only offered as direct download from thunderbird.net and not as an upgrade from Thunderbird version 91 or earlier. A future release will provide updates from earlier versions.

System Requirements: Details

  • Windows: Windows 7 or later
  • Mac: macOS 10.12 or later
  • Linux: GTK+ 3.14 or higher

What’s New

new

Thunderbird will now display a message when an upgrade migration task is taking a long time to complete

new

es-MX localized build now available

new

What's new link displayed in About: dialog

new

Profile Import/Export UI refreshed and moved to a tab

new

Commandline tools now included for OpenPGP debugging

new

Thunderbird may now be built with OpenPGP support and a system librnp

new

Added menu option to permanently decrypt OpenPGP encrypted messages to a folder

new

OpenPGP: Public keys from email attachments and autocrypt headers now cached for future use

new

Expired OpenPGP recipient keys now indicated in compose window

new

OpenPGP Key Assistant enabled by default

new

OpenPGP Key Properties now supports refreshing keys from key server

new

Spaces vertical toolbar for easier in-app navigation

new

Compose toolbar button for OpenPGP & S/MIME signing available via "Customize Toolbar"

new

"Select all addresses" now supported from composer pill context menu

new

Multiple active spelling dictionaries now supported in compose window

new

Add dictionaries item added to Spelling button in compose window

new

Added config option to more aggressively warn sender about having many public recipients to an email (mail.compose.warn_public_recipients.aggressive)

new

Exporting current profile now supported on importing tab

new

Back/Forward keyboard shortcuts added to Addon Manager

new

New Address Book UI and significant backend overhaul

new

Importing sqlite address books now supported

new

Importing addressbooks via CSV file now supports semi-colon (;) delimited files

new

Opening a news:// URL now works if an account is not configured for that news server

new

Google Talk chat accounts now support logging in with OAuth2

new

Matrix chat support enabled by default. This is a beta feature.

new

Printing using the system dialog without preview now supported; Set print.prefer_system_dialog to true

new

Removing events from a calendar now prompts for confirmation

new

Upcoming events in the Today Pane show how far away they are

new

Icons now displayed on recurring events and modified events within a recurring series

What’s Changed

changed

SMTP client will now ignore socket errors after QUIT command is sen

changed

Javascript POP implementation enabled by default

changed

Buttons on "Update Failed" popup now open Beta and Release specific pages on Thunderbird website

changed

Replace "About Junk Mail" dialog with a link to the support page

changed

[macOS] Account settings moved to application menu

changed

New profiles will default to using "Threaded" message view

changed

"Discover OpenPGP Key" context menu item is no longer displayed when a key is already available

changed

Duplicated OpenPGP encrypted attachments were shown when display-attachments-inline was enabled

changed

Replaced Security compose toolbar button with Encryption toggle and Encryption options buttons

changed

OpenPGP dialog for key "acceptance per email" now displayed in more circumstances

changed

OpenPGP Key Manager dialog layout improvements

changed

Writing OpenPGP keyring data will block Thunderbird shutdown to prevent data loss

changed

When automatically attaching OpenPGP keys to emails, Thunderbird will strip key certificates

changed

A notification bar in the compose window will be displayed if encryption is possible but not enabled

changed

Inline attachment filenames now sent without data-uri encoding

changed

Per-recipient and per-domain email format preferences removed; Sending options moved to Compose Settings

changed

Thunderbird can now be used without setting up a mail account

changed

NNTP account set up moved to its own wizard; "Other accounts" wizard removed

changed

Account Manager UI updated

changed

Email account provisioner moved to a tab

changed

Link to create a new email address in Account Setup now hidden if "Email address" contains a value

changed

Addon Search will no longer display addons that are incompatible

changed

Searching from the Themes page of Addon Manager will now limit search results to only include themes

changed

Additional fields for download limits, expiration, and password protection added to FileLink template

changed

FileLink will check the provider for sufficient space before uploading

changed

"PreferMailFormat" property removed from addressbook

changed

Address book contact data is now stored in the vCard format. The change isn't backwards-compatible; backups are stored in the profile directory.

changed

Default install directory for Thunderbird Beta changed to not conflict with release versions

changed

Tab icons updated

changed

Message Header toolbar buttons will not display a border when set to show icons only

changed

New message detection for non-INBOX IMAP folders improved

changed

New Javascript NNTP implementation enabled by default; Set mailnews.nntp.jsmodule to false to disable

changed

Preference for OTR encrypted conversation logging moved to Protocol settings

changed

Thunderbird will not try to use OTR Chat encryption if the protocol supports native encryption

changed

Invitations to IRC and XMPP chat rooms will now prompt the user if they would like to join

changed

Today Pane UI refreshed

changed

Thunderbird will not support "Secondly" or "Minutely" recurring calendar events

changed

Default action of Edit button in recurring event dialog changed to display submenu

changed

Support for importing and exporting calendars from Outlook CSV format was removed

changed

Thunderbird will now delay refreshing cached calendars at start-up

changed

Javascript Ical parser (ical.js) enabled by default

What’s Fixed

fixed

Opening "cid:" links failed

fixed

Message download progress was calculated incorrectly

fixed

Ctrl+mouse wheel did not zoom in the message source window

fixed

Open message in containing folder did not work for standalone windows

fixed

Multi-message view was not fully scrollable

fixed

Messages did not reload in all open windows after Junk status was changed

fixed

Detached attachments were opened from a temporary copy instead of the selected save location

fixed

IMAP folder subscription changes on servers using OAuth2 authentication were not reflected in folder pane until Thunderbird was restarted

fixed

Improved error reporting for external GnuPG configurations

fixed

Incorrect OpenPGP preferences were used for secondary identities

fixed

Adding an expiry date to an OpenPGP key that did not have one was not possible

fixed

UI showed old OpenPGP key expiry date after changing it

fixed

Importing large OpenPGP key files failed

fixed

OpenPGP "Repair Message" button did not work with some emails

fixed

Importing OpenPGP public keys without a blank line following the header failed

fixed

Dragging and dropping multiple email attachments between windows did not always copy all attachments

fixed

Attachment bar in message compose window was not keyboard accessible

fixed

Triggering recipient pill creation in the compose window incorrectly used the entire field as input

fixed

Compose notification bars were not easily accessible via keyboard

fixed

"Save message" confirmation dialog buttons were not navigable using arrow keys

fixed

Focus jumped in compose window when closing the contacts sidebar

fixed

Save dialog was incorrectly shown when closing empty composer windows

fixed

Incorrect access key used for File->New->Message menu item

fixed

Changing focus in the compose window with multiple recipient pills selected did not always deselect the pills

fixed

Sending a message with non-ascii characters in recipient local parts failed unexpectedly when the server did not support SMTPUTF8

fixed

LDAP Autoconfig could block Thunderbird startup

fixed

Improvements to the Import/Export feature

fixed

Configuring multiple SMTP accounts using the same server was not possible

fixed

Empty Trash on Exit did not work with IMAP accounts using OAuth2 authentication

fixed

IMAP server hostname changes were not reflected in Folder Properties dialog

fixed

Addons automatically updated when Thunderbird updated despite Addon updates being turned off

fixed

Message size calculations incorrectly included FileLink attachments

fixed

After converting a FileLink attachment back to an e-mail attachment, the privacy notification persisted

fixed

A failed FileLink provider change removed the attachment completely

fixed

Subscribing to CardDAV address books from Account Setup tab did not subscribe to all selected address books

fixed

Adding CardDAV address books failed if an addon-provided address book was present

fixed

Messages with Message-Id headers longer than 332 characters could not be forwarded

fixed

SMTP send progress bar could trigger high CPU usage when the server connection failed

fixed

Improved POP server authentication detection during Account Setup

fixed

News folders did not display biff indicator

fixed

IMAP flag changes from another client were not seen after some inactivity

fixed

Recipients were not de-duplicated before sending, leading to sending errors

fixed

Chat conversations' context menu did not recognize links

fixed

Chat username splitting in the account wizard did not work after changing protocols

fixed

Removing obsolete proprietary chat accounts did not work

fixed

OTR encrypted chat did not work on FreeBSD

fixed

Event edit toolbar button was not disabled when an invitation was selected

fixed

Event view headers and content were not lined up consistently for RTL locales

fixed

Mini-month views did not properly update at midnight

fixed

Some labels in Calendar were displayed in multiple languages

fixed

Thunderbird permitted inline editing of read-only event titles

fixed

Calendar view reloaded when switching tabs

fixed

It was possible to create annual calendar events with invalid days

fixed

Detection of attached vCalendar files improved

fixed

Reminders for events created by another user could not be closed

fixed

MS Teams meeting event descriptions were unreadable when stored on Google Calendar

fixed

Adding a Google calendar with a non-gmail or googlemail e-mail address failed

fixed

Accepting a recurrence exception to an event accepted event associated with the original recurring event rather than the exception

fixed

Various security fixes

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