Beta Notes

Thunderbird Desktop

Version 76.0beta | Released April 9, 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 76 beta 3 released April 29, 2020.

As of Thunderbird 74, "legacy" extensions are no longer supported.

What’s New

new

New Account Hub for centralized account setup

1589005

new

Minimize to tray support added for Windows

208923 1626161

new

New config option to anonymize message date header

1603359

new

MailExtensions: Add API for managing identities

1531593 1617448

What’s Changed

changed

Thunderbird will now ask for OS account password before displaying saved passwords

1622293

changed

Addons page UI refreshed

1600923

changed

MailExtensions: Allow experiments to use address book cache

1617379

changed

Calendar: Lightning version removed from Thunderbird user agent string

1624241

What’s Fixed

fixed

Email addresses sometimes displayed incorrectly in message composer

1526456

fixed

Address book improvements: exporting, editing contacts, contact photos

1619155 1622642 1624207 1624207 1626167

fixed

Dark theme fixes: message composer, address book, calendar

1622695 1622695 1622860 1623938 1624214 1625300 1625987

fixed

Various accessibility fixes: message composer, account setup, attachment pane

1589859 1613284 1620310 1620718

fixed

Mailbox format conversion fixes

1515254 1611897

fixed

Mailbox quotas not displayed correctly

841906

fixed

Chat: Add OTR Fingerprint menu was incorrectly shown for IRC channels

1621266

fixed

Chat: Renaming contacts in context menu did not work

1622000

fixed

Calendar: Task and event dialogs were sometimes too small for their content

1623817

fixed

Calendar: Rotated day and week views not displayed correctly

1608765

Fixed in Beta 2

What’s Fixed

fixed

Preferences: "Files & Attachments" column headers did not align with content

1628448

fixed

Accessibility: Screen readers were reporting too many activities from the status bar

1628891

fixed

Chat: Multiple OTR system messages were collapsed, resulting in missed notifications

1549938

Changed and Fixed in Beta 3

What’s Changed

changed

Removed "Run in Private Windows" section from Addons page

1630055

What’s Fixed

fixed

Messages were sometimes sent with a badly formed address when filled from the addressbook

1629842

fixed

MailExtensions: Setting IMAP messages as read with browser.messages.updated failed to persist

1631184

fixed

MailExtensions: Multiple extensions using compose.onBeforeSend could send an email prematurely

1631011

Known Issues

unresolved

Print progress dialog is disabled.

1625299

unresolved

Message composer not using correct fonts

1622231 1625218

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