diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 7b06c6ab5..2ef670c2a 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,7 +1,11 @@
 ## Validator Changes
 
-* no changes
+* Add ConceptMap validation
+* Add StructureMap validation
+* Validate using type regex (had been omitted to now, mostly affects decimal validation)
 
 ## Other code changes
 
-* no changes
\ No newline at end of file
+* Various fixes and utilities to support StructureMap & ConceptMap validation
+* Fix Observation.value conversion between R5 and other versions
+