Update RELEASENOTES.md

diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index a5f2caa7f9d6b2e9b1ce9777a3eb7e86ec61607f..9518519da289bab6ec5594afef7b91c9c228abc5 100644 (file)
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -1,4 +1,7 @@
-
+Version 3.3rc7
+====
+**Ehnancements**
+* Improvements to the `MQTT` client -- extra diagnostic messages at run time and at configuration time.
 
 Version 3.3rc6
 ====