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+## Version 2.16.0.0 Release Notes
+
+Compatible with OpenSearch 2.16.0
+
+### Feature
+* Adding support for date_nanos to Anomaly Detection ([#1238](https://github.com/opensearch-project/anomaly-detection/pull/1238))
+
+### Enhancements
+
+* update BWC test version and enhance code coverage([#1253](https://github.com/opensearch-project/anomaly-detection/pull/1253))
+* Register system index descriptors through SystemIndexPlugin.getSystemIndexDescriptors([#1251](https://github.com/opensearch-project/anomaly-detection/pull/1251))
+* Add feature filtering in model validation ([#1258](https://github.com/opensearch-project/anomaly-detection/pull/1258))
+
+### Infrastructure
+* set baseline JDK version to JDK-21 ([#1228](https://github.com/opensearch-project/anomaly-detection/pull/1228))
+
+### Maintenance
+* Update PULL_REQUEST_TEMPLATE to include an API spec change in the checklist ([#1262](https://github.com/opensearch-project/anomaly-detection/pull/1262))