## Version 2.9.0.0 2023-07-11

Compatible with OpenSearch 2.9.0

### Maintenance
* Increment version to 2.9.0-SNAPSHOT. ([#805](https://github.com/opensearch-project/index-management/pull/805))
* Added to CODEOWNERS and MAINTAINERS files. ([#810](https://github.com/opensearch-project/index-management/pull/810))
* Upgrade httpcomponent version after OpenSearch core's upgrade. ([#847](https://github.com/opensearch-project/index-management/pull/847))

### Features
* Support for system index interface. ([#789](https://github.com/opensearch-project/index-management/pull/789))

### Bug fixes
* Bugfix/202 transform date add date conversion. ([#622](https://github.com/opensearch-project/index-management/pull/622))
* Fix build errors after refactoring of Strings class in core. ([#786](https://github.com/opensearch-project/index-management/pull/786))
* Fix LRON concurrent indexing throw ResourceAlreadyExists. ([#831](https://github.com/opensearch-project/index-management/pull/831))
* ImmutableOpenMap to j.u.Map. ([#838](https://github.com/opensearch-project/index-management/pull/838))
* Remove runtime notification settings. ([#839](https://github.com/opensearch-project/index-management/pull/839))

### Documentation
* Added 2.9 release notes. ([#851](https://github.com/opensearch-project/index-management/pull/851))