Thunderbird Release Notes

Version 45.3.0, first offered to channel users on August 30, 2016

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.

What’s New

  • fixed

    Disposition-Notification-To could not be used in mail.compose.other.header

  • fixed

    "edit as new message" on a received message pre-filled the sender as the composing identity.

  • fixed

    Certain messages caused corruption of the drafts summary database.

  • fixed

    Various security fixes