Thunderbird Beta Notes

Version 54.0beta, first offered to channel users on June 2, 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 54 beta 3 released June 2nd, 2017.

What’s New

  • new

    Better support for Charter/Spectrum IMAP: Thunderbird will now detect Charter's IMAP service and send an additional IMAP select command to the server. Check the various preferences ending in "force_select" to see whether auto-detection has discovered this case.

  • new

    Individual feed update interval.

  • changed

    Thunderbird now uses Mozilla's latest proxy technology (add-on FoxyProxy now supported).

  • fixed

    Embedded images not shown in email received from Hotmail/Outlook webmailer.

  • fixed

    Detection of non-ASCII font names in font selector.

  • fixed

    Attachment not forwarded correctly under certain circumstances.

  • fixed

    Attached message sometimes not saved or forwarded correctly.

  • fixed

    Mailing list (group) not accessible from macOS or Outlook address book(not working in Thunderbird version 52).

  • fixed

    Multiple requests for master password when GMail OAuth2 is enabled.

  • fixed

    Chat working again (fixed in Thunderbird version 54 beta 2, wasn't working in beta 1).

  • fixed

    Clicking on links with references/anchors not working, clicking on links with references/anchors where target doesn't exist in the message not opening in external browser (fixed in Thunderbird version 54 beta 3, wasn't working in beta 1 and 2).

  • fixed

    Large number of blank pages being printed under certain circumstances when invalid preferences were present (fixed in Thunderbird version 54 beta 3).

  • fixed

    Messages sent via the Simple MAPI interface are forced to HTML.

  • fixed

    Calendar: Invitations can't be printed.