diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index de602e213..a9cd87f89 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,9 +1,12 @@
 Validator:
 * no changes with impact 
+* Add new validation for must-support on types / profiles / targets + improve Extension validation
 
 Other code changes:
 * Ensure "I" flag in profile table representation is not used just for infrastructural constraints
 * Render multiple values for properties in CodeSystems if they exist
 * Fix for npe rendering resources based on profiles
 * fix for use of "current" as version 
-* hack for past bad package URLs 
\ No newline at end of file
+* hack for past bad package URLs 
+* Add rendering for must support on types, profiles, targets
+* add <code> when rendering turtle to HTML
\ No newline at end of file