diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 7b06c6ab5..2b53df46a 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,7 +1,10 @@
 ## Validator Changes
 
-* no changes
+* Support for CDA code validation
 
 ## Other code changes
 
-* no changes
\ No newline at end of file
+* Update XML Parser & logical model renderer for XML choice groups
+* Restore JSON Parser method for HAPI compatibility.
+* Maintain OID to URL lookup index
+* Fix json parsing of CDA