Thunderbird Desktop
Version 91.0.2 | Released August 23, 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.
** Thunderbird 91 is only offered as direct download from thunderbird.net and not as an upgrade from Thunderbird version 78 or earlier.** A future release will provide updates from earlier versions.
System Requirements: Details
- Windows: Windows 7 or later
- macOS: macOS 10.12 or later (macOS 11.0 for Silicon)
- Linux: GTK+ 3.14 or higher
What’s New
new
Tags are now colored in mail filter editor
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
Creating a new account with manual setup failed
fixed
Recipient autocomplete always preferred the primary email address for a contact
fixed
LDAP performance improvements
fixed
Extensions listed on the Recommended Addons did not have a clear way to view details in a browser
fixed
Status checkmark on View > Calendar > Calendar Pane > Show Calendar Pane was reversed
fixed
mid: URLs in calendar invites did not open the linked mail message
fixed
Various theme and UX fixes
