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
-------
The Perl script has been translated to Python; you'll need Python 2.7
or anything from the 3.x line. Most of the user-facing interface is
-the same, but `nmbug help` is not `nmbug --help`, and the following nmbug
+the same, but `nmbug help` is now `nmbug --help`, and the following nmbug
commands have slightly different interfaces: `archive`, `commit`,
`fetch`, `log`, `pull`, `push`, and `status`. For details on the
new interface for a given command, run `nmbug COMMAND --help`.