diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 7b06c6ab5..636c6ee91 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,7 +1,18 @@
 ## Validator Changes
 
-* no changes
+* Rework bundle references validation for R4+ - this is a *significant* change - many existing bundles that were previously erroneously passing will now fail
+* #1488 - don't fail on erroneously repeating elements
+* Fix problem creating CDA type discriminators
+* Fix problem with R3 expansion
+* Add support for CCDA .hasTemplateIdOf(canonical)
+* Add support for NZ IPS
+
 
 ## Other code changes
 
-* no changes
\ No newline at end of file
+* Start work on making IWorkerContext a versioned API
+  * Add fhirVersion to R5 Base and IWorkerContext methods
+  * move IContextResourceLoader, ValidationResult and CodingValidationRequest out of IWorkerContext to their own clasess
+* Fix up VSAC import for large value sets
+* fix FHIRPath cda tests for empty package cache
+* Fix issue where markdown with multiple characters was being cut off sometimes when rendering profiles