tags continues to be supported to allow cleanup of existing tags,
but may be removed in a future release.
+Bcc and Reply-To headers are now available in notmuch show json output
+
+ The `notmuch show --format=json` now includes "Bcc" and "Reply-To" headers.
+ For example notmuch Emacs client can now have these headers visible
+ when the headers are added to the `notmuch-message-headers` variable.
+
Library changes
---------------