Beta Notes

Thunderbird Desktop

Version 83.0beta | Released October 22, 2020

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 83 beta 3 released November 9, 2020.

System Requirements: Details

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

What’s New

new

Calendar: Category colors now displayed in category selection dropdown

736243

new

Calendar: "Edit" item added to event context menu

1651783

new

MailExtensions: "compose_attachments" context added to Menus API

1670822

new

MailExtensions: Menus API now available on displayed messages

1670825

What’s Changed

changed

MailExtensions: Changed contact properties now passed in contact.onUpdated event

1665454

What’s Fixed

fixed

Searching global search results did not work

1664761

fixed

Link location was not focused by default when adding a hyperlink in message composer

1670660

fixed

Appmenu displayed visual glitches

1636243

fixed

Keyboard shortcut for toggling message "read" status not shown in menus

1619248

fixed

Chat: Previous conversations were not shown

1665040

fixed

Calendar: Subscribing to ICS calendars was not possible

1663399

fixed

Calendar: Reminder details appeared editable when viewing an event

1651779

fixed

Calendar: Two "Home" calendars were visible on a new profile

1656782

New, Changed, and Fixed in Beta 2

What’s New

new

Thunderbird prompts for an address to use when starting an email from an address book entry with multiple addresses

84028

What’s Changed

changed

OpenPGP public key import now supports multi-file selection

1665145

What’s Fixed

fixed

Advanced address book search dialog was unusable

1668147

fixed

Encrypted draft reply emails lost "Re:" prefix

1661510

fixed

Replying to a newsgroup message did not open the compose window

1672667

fixed

Unable to delete multiple newsgroup messages

1657988

fixed

Visual glitches when selecting multiple messages in the message pane and using Ctrl+click

1671800

fixed

Switching between dark and light mode could lead to unreadable text on macOS

1668989

New, Changed, and Fixed in Beta 3

What’s New

new

OpenPGP: Added option to disable attaching the public key to a signed message

1654950

new

OpenPGP: Added option to disable email subject encryption

1666073

What’s Changed

changed

MailExtensions: browser.tabs.create will now wait for "mail-delayed-startup-finished" event

1674407

What’s Fixed

fixed

OpenPGP: Support for inline PGP messages improved

1672851

fixed

OpenPGP: Message security dialog showed unverified keys as unavailable

1675285

fixed

Calendar: HTML rendering in event descriptions restored

1659363 1673164

fixed

Chat: New chat contact menu item did not function

1663321

fixed

Theming improvements

1673861 1674606

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