Fix several performance problems with `notmuch reindex`.
+`notmuch show` and `notmuch reply` now emit per-message cryptographic
+status in their json and sexp output formats. See devel/schemata for
+more details about what is included there.
+
Emacs
-----
GMime is now 3.0.3. GMime also needs to have been compiled with
cryptography support.
+Test Suite
+----------
+
+If either GNU parallel or moreutils parallel is installed, the tests
+in the test suite will now be run in parallel (one per available
+core). This can be disabled with NOTMUCH_TEST_SERIALIZE=1.
+
Notmuch 0.28.4 (2019-05-05)
===========================