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@@ -1,7 +1,31 @@
 ## Validator Changes
 
-* no changes
+Post DevDays Release - many significant changes!
+
+* Add ```-watch-mode``` parameter (See [doco](https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator#UsingtheFHIRValidator-Watchmode))
+* Start checking constraint expressions defined in profiles
+* Start checking ElementDefinition.mustHaveValue and ElementDefinition.valueAlternatives
+* Start validating derived questionnaires 
+* Tighten up checking on FHIRPath - enforce use of ```'```, and don't accept ```"``` for string delimiters
+* Add ```-allow-double-quotes-in-fhirpath``` parameter ([doco](https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator#UsingtheFHIRValidator-LegacyFHIRPathSetting))
+* Fix error when validating profiles that mix canonical() and Reference() types
+* Fix incomplete support for ```-display-issues-are-warnings``` parameter
+* Fix broken NullFlavor binding in R4 
+* Fix various NPE errors doing value set validation (+ logging tx operations)
+* Minor performance improvements to start up time
 
 ## Other code changes
 
-* no changes
\ No newline at end of file
+* Add CodeQL to the build process
+* Various NPE fixes
+* Add getValueAsString(TemporalPrecisionEnum) method to date/time types
+* Fix rendering for unresolvable ValueSets
+* Remove r4b eclipse project files
+* Upgrade multiple dependency libraries (per CodeQL)
+* Only record sorting errors when generating snapshots when debug mode is on
+* Tighten up SSL certificate checking 
+* Partial refactor of CLI parameter handling 
+* Fix path regex (per CodeQL)
+* Remove erroneous logging from conversion tests
+* Rendering improvements for various profile related extensions
+* More work on TxTests operation (lenient wrt extensions)
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