and this project adheres to `Semantic
Versioning <http://semver.org/>`__.
+[4.0.0] - 3/18/2020
+-------------------
+
+::
+
+ * Switch to SI95 instead of NNG. This is a breaking change. SI95 rmr users cannot talk to NNG rmr users.
+ * The version bump from 2 to 4 is due to the "roommate" issue in the rmr repo.
+
[2.2.1] - 3/3/2020
--------------------