Beta Notes

Thunderbird Desktop

Version 79.0beta | Released July 16, 2020

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

These notes apply to Thunderbird version 79 beta 3 released July 27, 2020.

New in Thunderbird 79.0beta: Experimental support for OpenPGP encryption. New functionality is being added with every beta! Want to help? Join the conversation on Matrix: #openpgp:mozilla.org.

What’s New

new

Date and relevance setting remembered in facet search results

new

The preferences tab now has a search field

new

Language packs and dictionaries added to about:support

What’s Fixed

fixed

Theming improvements to the address book window and dialogs

fixed

FileLink both created a link and attached a file to the message if the file was from a network share

fixed

IMAP fetch chunk size was always 65536 bytes

fixed

Incremental search in contacts side bar failed to return some results

fixed

When deleting a contact from search results in contacts sidebar, the entire result set disappeared

fixed

Crash on failure of LDAP address book replication

fixed

Adaptive Junk Mail settings could not be disabled

fixed

"Unresponsive script" error on start-up for profiles with many folders

fixed

OAuth authorization window was missing the URL bar

New and Fixed in Beta 2

What’s New

new

OpenPGP: Key revocation, extending key expiration, and secret key backup

What’s Fixed

fixed

Drag & Drop multiple attachments to macOS Finder created duplicate files

fixed

About Thunderbird dialog keyboard shortcuts did not work

fixed

CC'd recipients sometimes displayed collapsed in header pane

fixed

Message filter and Folder Pane dialogs did not use the correct theme

fixed

Changing Junk mail settings with keyboard toggled wrong setting

fixed

OpenPGP: Messages with long Armor Header lines did not display

fixed

OpenPGP: Messages containing non-UTF-8 text were not supported

fixed

Address book migration updates and fixes

fixed

Address book: Last Modified Date was not updated

fixed

Chat: Participants list did not display operator flags

New, Changed, and Fixed in Beta 3

What’s New

new

OpenPGP support is now feature complete. Improvements: new Key Wizard, online searching for OpenPGP keys, and more

What’s Changed

changed

Dark background in message reader is now disabled

What’s Fixed

fixed

Attachment corruption could occur when downloading large attachments from an IMAP server that supports chunking

fixed

Thunderbird startup was slow when using folder color customizations with many folders. Previously configured colors will not be migrated.

fixed

Mail quota usage in status bar did not support terabyte folder sizes

fixed

Dark mode improvements

Known Issues

unresolved

Chat displays no messages

unresolved

Fixed width font not working in compose window

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