[3.x] Prepare 3.3.0 release (#1769)

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

Author: peterzhuamazon

CHANGELOG.md

@@ -3,16 +3,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased 3.x]
 ### Added
-- Added decommission awareness & weighted routing operations ([#1632](https://github.com/opensearch-project/opensearch-java/pull/1632))
-- Added support for the `ltr` namespace ([#1689](https://github.com/opensearch-project/opensearch-java/pull/1689))
-- Added support for the `geospatial` namespace ([#1690](https://github.com/opensearch-project/opensearch-java/pull/1690))
-- Added support for the `knn` namespace ([#1693](https://github.com/opensearch-project/opensearch-java/pull/1693))
-- Added getter for retrieve all nodes along with their state ([#1698](https://github.com/opensearch-project/opensearch-java/pull/1698))
-- Added support for the `search_relevance` namespace ([#1748](https://github.com/opensearch-project/opensearch-java/pull/1748))
 
 ### Dependencies
-- Bump `io.github.classgraph:classgraph` from 4.8.180 to 4.8.181 ([#1703](https://github.com/opensearch-project/opensearch-java/pull/1703))
-- Bump `org.junit:junit-bom` from 5.13.3 to 5.13.4 ([#1704](https://github.com/opensearch-project/opensearch-java/pull/1704))
 
 ### Changed
 
@@ -39,6 +31,19 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Security
 
+## [3.3.0] - 10/29/2025
+### Added
+- Added decommission awareness & weighted routing operations ([#1632](https://github.com/opensearch-project/opensearch-java/pull/1632))
+- Added support for the `ltr` namespace ([#1689](https://github.com/opensearch-project/opensearch-java/pull/1689))
+- Added support for the `geospatial` namespace ([#1690](https://github.com/opensearch-project/opensearch-java/pull/1690))
+- Added support for the `knn` namespace ([#1693](https://github.com/opensearch-project/opensearch-java/pull/1693))
+- Added getter for retrieve all nodes along with their state ([#1698](https://github.com/opensearch-project/opensearch-java/pull/1698))
+- Added support for the `search_relevance` namespace ([#1748](https://github.com/opensearch-project/opensearch-java/pull/1748))
+
+### Dependencies
+- Bump `io.github.classgraph:classgraph` from 4.8.180 to 4.8.181 ([#1703](https://github.com/opensearch-project/opensearch-java/pull/1703))
+- Bump `org.junit:junit-bom` from 5.13.3 to 5.13.4 ([#1704](https://github.com/opensearch-project/opensearch-java/pull/1704))
+
 ## [3.2.0] - 07/10/2025
 ### Added
 - Added support for Index Management plugin APIs ([#1604](https://github.com/opensearch-project/opensearch-java/pull/1604))
@@ -575,8 +580,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix catching JsonParsingException ([#494](https://github.com/opensearch-project/opensearch-java/issues/494))
 - Fix StoryStats numeric value out of range of int ([#489](https://github.com/opensearch-project/opensearch-java/pull/489))
 
-[Unreleased 3.x]: https://github.com/opensearch-project/opensearch-java/compare/v3.2.0...3.x
+[Unreleased 3.x]: https://github.com/opensearch-project/opensearch-java/compare/v3.3.0...3.x
 [Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.26.0...2.x
+[3.3.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.2.0...v3.3.0
 [3.2.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.1.0...v3.2.0
 [3.1.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.0.0...v3.1.0
 [3.0.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.24.0...v3.0.0