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+## Version 2.4.0.0 Release Notes
+
+Compatible with OpenSearch 2.4.0
+
+### Enhancements
+* Merge efficient filtering from feature branch ([#588](https://github.com/opensearch-project/k-NN/pull/588))
+* add groupId to pluginzip publication ([#578](https://github.com/opensearch-project/k-NN/pull/578))
+* Added sample perf-test configs for faiss-ivf, faiss-ivfpq, lucene-hnsw ([#555](https://github.com/opensearch-project/k-NN/pull/555))
+* Adding OSB index specification json for lucene hnsw ([#552](https://github.com/opensearch-project/k-NN/pull/552))
+* Adding k-NN engine stat ([#523](https://github.com/opensearch-project/k-NN/pull/523))
+
+### Infrastructure
+* Fixed failing unit test ([#610](https://github.com/opensearch-project/k-NN/pull/610))
+* Disable Code Coverage for Windows and Mac Platforms ([#603](https://github.com/opensearch-project/k-NN/pull/603))
+* Update build script to publish to maven local ([#596](https://github.com/opensearch-project/k-NN/pull/596))
+* Add Windows Build.sh Related Changes in k-NN ([#595](https://github.com/opensearch-project/k-NN/pull/595))
+* Add mac platform to CI ([#590](https://github.com/opensearch-project/k-NN/pull/590))
+* Add windows support ([#583](https://github.com/opensearch-project/k-NN/pull/583))
+
+### Documentation
+* Replace Forum link in k-NN plugin README.md ([#540](https://github.com/opensearch-project/k-NN/pull/540))
+* Update dev guide with instructions for mac ([#518](https://github.com/opensearch-project/k-NN/pull/518))
+
+### Bug Fixes
+* Fix NPE on null script context ([#560](https://github.com/opensearch-project/k-NN/pull/560))
+
+### Refactoring
+* Refactor kNN codec related classes ([#582](https://github.com/opensearch-project/k-NN/pull/582))
+* Refactor unit tests for codec ([#562](https://github.com/opensearch-project/k-NN/pull/562))
+
+### Maintenance
+* Backport lucene changes ([#575](https://github.com/opensearch-project/k-NN/pull/575))
+* Increment version to 2.4.0-SNAPSHOT ([#545](https://github.com/opensearch-project/k-NN/pull/545))
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