diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 7b06c6ab5..912dacbe3 100644
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@@ -1,7 +1,33 @@
 ## Validator Changes
 
-* no changes
+* Fix significant bug where validator gets internal child lists incorrect and doesn't do complete validation when switching between validating profiles and resources directly
+* Performance improvement for validator parsing - thanks Brian Postlethwaite
+* Fix Crash on slicing a sliced element #862
+* Fix ig loading from direct URL (#1559)
+* Fix bug copying constraints into Bundle.entry.resource profiles
+* Fix bug loading R5 extensions with imported value sets
+* Replace dom-3 with custom java code, and check xhtml references to contained content
+* Improve concept map code validation
+* Update observation validator for committee decision not to enforce Blood Pressure profile for Mean Blood Pressure
+* Validate value set internal codeSystem references
+* Split value set validation into 10k batches for very large extensional value sets
+* Hack fix for opd-3
+* Fix bug where using ontoserver when not appropriate
+* Fix issues with inferSystem
+* Don't require HL7 committee for contained resources in HL7 namespace
+* Fix where validator was ignoring minimum cardinality for XML attributes (especially in CDA)
+* Improved ConceptMap validation
 
 ## Other code changes
 
-* no changes
\ No newline at end of file
+* Fix code system rendering for uri properties
+* Fix broken links Bundle and Profile rendering
+* Take copy of code when doing local validation
+* WIP: major refactor of cross version analysis
+* Add support for subsumes in tx client
+* Don't generate snapshots when scanning structure definitions for resource names
+* Work on ConceptMap infrastructure for cross-version analysis
+* Fix bug where not rendering ConceptMap relationships
+* Fix wrong URLs rendering Profiles and Questionnaires
+* Fix bug using wrong version constant for R3
+* Updates for R5 StructureMap syntax