Release Notes

Thunderbird Desktop

Version 38.5.0 | Released December 23, 2015

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


In the address book manager, make the contacts sidebar remember the last selected address book (1142705)


Various security fixes


Prepare to use SHA-256 signing certificate for Windows builds, to meet new signing requirement (1079858)

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