Release Notes

Thunderbird Desktop

Version 45.1.1 | Released May 31, 2016

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.

What’s Fixed


Email without HTML elements was sent as HTML, despite "Delivery Format: Auto-detect" option


Options applied to a template were lost when the template was used.


Contacts could not be deleted when they were found through a search


Views from global searches did not respect "mail.threadpane.use_correspondents"


When entering members into a mailing list, the enter key dismissed the panel instead of just moving onto the next line

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