Beta Notes

Thunderbird Desktop

Version 94.0beta | Released October 6, 2021

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 94 beta 5 released October 28, 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

Opening a news:// URL now works if an account is not configured for that news server

new

Preference add to disable automatic pausing RSS feed updates after a fetch failure

What’s Changed

changed

New message detection for non-INBOX IMAP folders improved

changed

"Discover OpenPGP Key" context menu item is no longer displayed when a key is already available

changed

NNTP account set up moved to its own wizard; "Other accounts" wizard removed

changed

Account Manager UI updated

changed

Preference for OTR encrypted conversation logging moved to Protocol settings

What’s Fixed

fixed

SMTP Auth Usernames with special characters were not properly encoded, leading to unexpected authentication failures

fixed

Multi-message view was not fully scrollable

fixed

Icon to clear the global search input (and others) was not displayed

fixed

Closing a tab with middle-mouse click did not work

fixed

Attachment bar in message compose window was not keyboard accessible

fixed

"Repair Text Encoding" menu item did not work

fixed

Vertical scrollbar in "Conversations" chat panel did not work correctly

fixed

Chat account "Advanced Options" dialog had no clickable buttons on macOS

fixed

Saving a copy of a calendar invite (More -> Save As Copy) did not work

fixed

Right clicking on a calendar in the calendar list did not select the calendar

fixed

Events in the first or last week of a month were not always printed when printing a month view

fixed

Accessibility improvements; clearer display of area of focus

fixed

Various theme improvements, HiDPI improvements

fixed

No theme preview for Dark and Light themes was displayed

Fixed in Beta 2

What’s Fixed

fixed

"Attachments" menu panels for attached files were empty

fixed

Stability improvements

Fixed in Beta 3

What’s Fixed

fixed

BCC-only messages could not be sent from the Outbox

fixed

Default mail headers were set incorrectly when the value contained a colon (:)

fixed

Mail tabs could not be closed using the context menu

fixed

"Print" context menu was still shown when no message pane was displayed

fixed

Default DSN request was not set when using "Edit as New Message"

fixed

RSS feed attachments could not be saved

fixed

Calendar "start of the week" changed from Sunday to Saturday after updating to 94.0b1

fixed

Various Calendar event dialog fixes

Fixed in Beta 4

What’s Fixed

fixed

Thunderbird did not send the QUIT command when closing an SMTP connection

fixed

Thunderbird redownloaded already locally stored messages when "Allow antivirus clients to quarantine" was enabled.

fixed

Windows tray icon did not reappear after restarting Windows Explorer

fixed

Virtual Folder Properties dialog was too small for locales with lengthy strings

fixed

Compose window attachment drag and drop fixes

fixed

CardDAV address books without a name did not work

fixed

Thunderbird tried to refresh disabled and manual-only calendars when going from offline to online

fixed

Theming improvements

Fixed in Beta 5

What’s Fixed

fixed

New mail popups were displayed while running full screen applications

fixed

Messages received with non-standard "koi8r" encoding were not supported

fixed

Various macOS stability improvements

fixed

Drag and Drop area for file attachments on Windows was incorrect

fixed

PDF attachments opened in Firefox while composing an email

fixed

Importing an ICS file with TODO items failed

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