Thunderbird Desktop
Version 92.0beta | Released August 13, 2021
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.
These notes apply to Thunderbird version 92 beta 5 released September 2, 2021.
System Requirements: Details
- Windows: Windows 7 or later
- Mac: macOS 10.12 or later
- Linux: GTK+ 3.14 or higher
What’s New
new
Tags are now colored in mail filter editor
What’s Fixed
fixed
Thunderbird registered Accessibility Handlers using same GUIDs as Firefox, causing performance issues for NVDA users
fixed
Focus lost when reordering accounts by keyboard in the Account Manager
fixed
Recipient autocomplete always preferred the primary email address for a contact
fixed
OTR chat encryption failed on 32-bit Windows builds
fixed
Status checkmark on View > Calendar > Calendar Pane > Show Calendar Pane was reversed
fixed
Filtering tasks in the Today Pane did not work
fixed
Email based event scheduling displayed the date and time in a format unreadable by humans
fixed
Folder icons could be overridden by linked favicons in HTML messages
fixed
New chat messages were not visible (white text on white background) in dark mode
New, Changed, and Fixed in Beta 2
What’s New
new
Preference for disabling the unread message count badge on Windows taskbar icon added: mail.biff.show_badge
What’s Changed
changed
Context menu items related to OpenPGP and attachments are now hidden when not applicable
What’s Fixed
fixed
Extensions listed on the Recommended Addons did not have a clear way to view details in a browser
fixed
mid: URLs in calendar invites did not open the linked mail message
Fixed in Beta 3
What’s Fixed
fixed
Compose window attachment pane did not close when disabling signing of an OpenPGP message
fixed
Unread message count badge on Windows tray icon did not update after moving messages to the Junk folder
fixed
Using "Reply to List" with some list emails incorrectly opened a "no-reply" warning
fixed
Unified folders showed no messages when underlying folders were removed
fixed
Folder pane toolbar did not always persist after restarting Thunderbird
fixed
Creating a new account with manual setup failed
fixed
Account setup UX issues with Exchange autodiscover
fixed
Account settings did not display non-UTF-8 server descriptions correctly
fixed
Thunderbird sometimes sent an unnecessary "SMTPUTF8", causing some servers to reject mail
fixed
Dates (such as birthday) stored in contacts may display the wrong date; a one-time manual fix may be needed for dates that are incorrect.
fixed
No mouseover pop was displayed with event details for non-all-day events in the Today Pane
New, Changed, and Fixed in Beta 4
What’s New
new
Menu item for disabling subject encryption for a single message added
What’s Changed
changed
VCard attachments now sent with "text/vcard" instead of "text/x-vcard"
What’s Fixed
fixed
Account setup did not use provider display name for setting up calendars
Changed and fixed in beta 5
What’s Changed
changed
Enable "print message" only when one message is selected
What’s Fixed
fixed
New mail notifications did not properly take subfolders into account
fixed
Enabled/Disabled state of message filters did not persist as expected
fixed
Printing a message did not print a list of its attachments
fixed
Images attached from a web page were not sent as expected
fixed
LDAP address books using Kerberos/GSS-API authentication did not authenticate
fixed
Calendar event editor did not honor mail.spellcheck.inline
Known Issues
unresolved
Thunderbird may hang when sending a message if "Check spelling before sending" is enabled in Preferences
