M18-Release-Notes.md

@@ -25,6 +25,10 @@ https://osdu.aha.io/bookmarks/custom_pivots/7233428034013202630/7241860559301394
 
 For the evaluation metrics - please refer to the guide [here](https://gitlab.opengroup.org/osdu/subcommittees/business-model-outreach/projects/cert/work-products/maturity-model/-/blob/main/README.adoc)
 
+### CSP Support
+
+- M18 has not been validated in `IBM` environment.
+
 # Table of Content
 
 [[_TOC_]]
@@ -86,7 +90,7 @@ For the evaluation metrics - please refer to the guide [here](https://gitlab.ope
 
 - `Indexer`
   - Provide an endpoint to create aliases for all existing indices that do not have aliases. See MR [!496](https://community.opengroup.org/osdu/platform/system/indexer-service/-/merge_requests/496) by (@zhibinmai)
-  - Index extended properties defined in property configurations. See MR [!465](https://community.opengroup.org/osdu/platform/system/indexer-service/-/merge_requests/465) by (@zhibinmai)
+  - **Feature Flag** Index extended properties defined in property configurations. See MR [!465](https://community.opengroup.org/osdu/platform/system/indexer-service/-/merge_requests/465) by (@zhibinmai)
 - `Schema`
   - OSDU Data Definition M18 deliverables: 29 new schemas/schema versions with updated load_sequence.. See MR [!485](https://community.opengroup.org/osdu/platform/system/schema-service/-/merge_requests/485) by (@gehrmann)