M13-Release-Notes.md

+# Milestone 13
+
+Released on YYYY-MM-DD
+
+For detailed services that are included in this release, please refer to [M13 tagging notes](https://community.opengroup.org/osdu/governance/project-management-committee/-/wikis/Release-0.16-Tagging-Notes)
+
+## New Features
+
+- `Data Definition` - Refer here for [full changes "OSDU schemas"](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.16.0/E-R/ChangeReport.md#snapshot-2022-05-20-towards-m13) and [full changes "OSDU reference-values"](https://community.opengroup.org/osdu/data/data-definitions/-/blob/v0.16.0/ReferenceValues/ChangeLogs/M13/README.md)
+  - _Schema Highlights_
+  - _Reference Values Highlights_
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