Thunderbird Beta Notes

Version 58.0beta, first offered to Beta channel users on November 27, 2017

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 58 beta 3 released January 7th, 2018.

What’s New

  • New

    When composing a message, attachments can now be reordered

  • New

    Calendar: Allow email scheduling for CalDAV servers supporting server-side scheduling

  • New

    Thunderbird Chat now contains multiple built-in message themes

  • Changed

    Thunderbird Chat: Nicknames inside of messages are colored to match the participants list

  • Fixed

    Searching message bodies of messages in local folders, including filter and quick filter operations, not working reliably: Content not found in base64-encode message parts, non-ASCII text not found and false positives found.

  • Fixed

    Defective messages (without at least one expected header) not shown in IMAP folders but shown on mobile devices

  • Fixed

    Better error handling for Yahoo accounts

  • Fixed

    Outlook import

  • Fixed

    Performance problem when repairing, rebuilding or compacting folders or accessing large folders

  • Fixed

    Localised versions of Thunderbird didn't show a localised name for Hotmail's "Deleted" folder

  • Fixed

    Calendar: Unintended task deletion if numlock is enabled

  • Fixed

    Calendar: Can't copy information from event dialog for received invitations