Thunderbird Beta Notes

Version 70.0beta, first offered to channel users on September 9, 2019

Check out "What’s New" and "Known Issues" for this version of Thunderbird below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla. If interested, please see the complete list of changes in this release.

These release notes apply to Thunderbird version 70 beta 4 released October 17th, 2019.

What’s New

  • new

    Allow selecting messages via selection boxes instead of classic selection. "Select Messages" column needs to be selected via the thread pane's column picker.

  • new

    Message Display MailExtensions API with documentation here

  • changed

    Thunderbird Options/Preferences tab redesigned and with new user interface

  • changed

    Account creation dialog redesigned and with new user interface

  • changed

    Dialog for folder compaction (purging of deleted messages)

  • changed

    Thread pane column pickers stays open for selecting multiple columns until user clicks outside or hits escape

  • changed

    Add-ons manager with new user interface and notifications. Note that manual installation of add-ons via drag-and-drop currently doesn't work.

  • fixed

    Gmail accounts ignored a non-standard trash folder selection. Note: If non-standard trash folder was selected previously in the account settings, this setting will now take effect which may be unexpected.

  • fixed

    Edit tag not working

  • fixed

    Write window: "Insert > Characters and Symbols" not working

  • fixed

    Moving/dragging messages from "Search Messages" result dialog not working

  • fixed

    Command line -compose "attachment=" not working

  • fixed

    Custom views not working

  • fixed

    Issues with list of content types/actions for incoming attachments

  • fixed

    Clicking mailto links in browser doesn't open Thunderbird Write window

  • fixed

    "Learn More" links in Error Console not working

  • fixed

    Visual glitches: Quick Filter Bar tag buttons too tall, missing scroll bar on Connection Setting subdialog, LDAP server selection after "New", "Edit" and "Delete"

  • fixed

    Calendar: Parts of CalDAV dialog not working

  • fixed

    Calendar: Free/busy information in attendees dialog not loaded

Fixed in Beta 2

  • fixed

    Issues with attachments in IMAP messages

  • fixed

    Various theme fixes, especially dark theme improvements for Calendar

  • fixed

    Contrast between tag label and background not optimal

  • fixed

    Accepting auto-complete results via click didn't move to the next line

  • fixed

    Account Central pane always loaded at start-up

  • fixed

    Setting a contact photo in the addressbook not working

  • fixed

    Manual installation of add-ons via drag & drop onto the Add-ons Manager not working

  • fixed

    "Config Editor" button not removed if blocked by policy

Fixed in Beta 3

  • fixed

    Visual glitches: Missing context menu in filter, downloads and password manager dialogs, unwanted scrollbars and cut-off text in Account Manager, incorrect colors in Calendar MiniMonth and agenda scrollbars, theme issues on Windows 7

  • fixed

    Some attachments couldn't be opened in messages originating from MS Outlook 2016

  • fixed

    Address book import form CSV

  • fixed

    Performance problem in message body search

  • fixed

    Ctrl+Enter to send a message would open an attachment if the attachment pane had focus

  • fixed

    Template selection for "Reply with Template"

  • fixed

    Calendar: Issues with "Today Pane" start-up

  • fixed

    Calendar: Glitches with custom repeat and reminder number input

  • fixed

    Calendar: Problems with WCAP provider

Fixed in Beta 4

  • fixed

    Better visual feedback for unread messages when using the dark theme

  • fixed

    Various issues when editing mailing lists

  • fixed

    Integration with macOS addressbook and notifications not working after introduction of notarization

Known Issues

  • unresolved

    Calendar: Lightning not updating to corresponding 70.0b4 version. Workaround: Set preference extensions.lastAppVersion to a value of 69.0 to force a refresh. Check version number in the Add-on Manager afterwards.

  • unresolved

    Opening the properties of a folder may hang on Mac

  • unresolved

    Chat: Twitter not working due to API changes at Twitter.com.