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+## Version 1.2.0.0 Release Notes
+
+Compatible with OpenSearch 1.2.0
+
+### Features
+
+* AdmissionControl Split RCA ([#69](https://github.com/opensearch-project/performance-analyzer-rca/pull/69))
+
+### Enhancements
+
+* Update commons-io version ([#73](https://github.com/opensearch-project/performance-analyzer-rca/pull/73))
+* Adds Thread_Waited_Time and Thread_Waited_Event metrics ([#70](https://github.com/opensearch-project/performance-analyzer-rca/pull/70))
+
+### Bug fixes
+
+* Add checkstyle plugin reference ([#79](https://github.com/opensearch-project/performance-analyzer/pull/79))
+* Add snapshot variable when building RCA ([#83](https://github.com/opensearch-project/performance-analyzer/pull/83))
+* Fix broken build and remove deb rpm files ([#85](https://github.com/opensearch-project/performance-analyzer/pull/85))
+* Remove emitting the entry key with the METRICS_WRITE_ERROR metric ([#71](https://github.com/opensearch-project/performance-analyzer-rca/pull/71))
+* Add log rotation and prevent noisy logs ([#87](https://github.com/opensearch-project/performance-analyzer-rca/pull/87))
+
+### Maintenance
+
+* Add BWC tests for PA ([#69](https://github.com/opensearch-project/performance-analyzer/pull/69))
+* Add DCO workflow and fix failing IT ([#78](https://github.com/opensearch-project/performance-analyzer/pull/78))
+* Add DCO workflow ([#83](https://github.com/opensearch-project/performance-analyzer-rca/pull/83))
+
+### Documentation
+
+* Update README.md ([#88](https://github.com/opensearch-project/performance-analyzer-rca/pull/88))
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