+Notmuch 0.20 (UNRELEASED)
+=========================
+
+Command-Line Interface
+----------------------
+
+There is a new `mimetype:` search prefix
+
+ The new `mimetype:` search prefix allows searching for the
+ content-type of attachments, which is now indexed. See the
+ `notmuch-search-terms` manual page for details.
+
+Documentation
+-------------
+
+Support for using rst2man in place of sphinx to build the
+docmumentation has been removed.
+
+Contrib
+-------
+
+`notmuch-deliver` is removed. As far as we know, all functionality
+previously provided by `notmuch-deliver` should now be provided by
+`notmuch insert`, provided by the main notmuch binary.
+
Notmuch 0.19 (2014-11-14)
=========================