Release Notes

Thunderbird Desktop

Version 45.5.0 | Released November 21, 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 Changed


IMPORTANT: Changed recipient address entry: Arrow-keys now copy the pop-up value to the input field. Mouse-hovered pop-up value can no longer be confirmed with tab or enter key. This restores the behavior of Thunderbird 24.


Support changes to character limit in Twitter

What’s Fixed


Reply with selected text containing quote resulted in wrong quoting level indication


Email invitation might not be displayed when description contains non-ASCII characters


Attempting to sort messages on the Date field whilst a quick filter is applied got stuck on sort descending


Mail address display at header pane displayed incorrectly if the address contains UTF-8 according to RFC 6532

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