# OpenSearch Documentation Website 2.12.0 Release Notes

The OpenSearch 2.12.0 documentation includes the following additions and updates.

## New documentation for 2.12.0

- Disable concurrent search for composite aggregations [#6444](https://github.com/opensearch-project/documentation-website/pull/6444)
- Add warning related to anomaly detection and concurrent segment search [#6411](https://github.com/opensearch-project/documentation-website/pull/6411)
- Adds metrics framework documentation [#6393](https://github.com/opensearch-project/documentation-website/pull/6393)
- Add documentation for new reranking feature in 2.12 [#6368](https://github.com/opensearch-project/documentation-website/pull/6368)
- Add documentation for saved object management to support multiple datasource [#6364](https://github.com/opensearch-project/documentation-website/pull/6364)
- Add things to know for concurrent segment search [#6362](https://github.com/opensearch-project/documentation-website/pull/6362)
- Add cross-encoder model documentation [#6357](https://github.com/opensearch-project/documentation-website/pull/6357)
- Concurrent segment search GA and API changes [#6356](https://github.com/opensearch-project/documentation-website/pull/6356)
- Improve terms aggregation documentation and add concurrent segment search caveats [#6355](https://github.com/opensearch-project/documentation-website/pull/6355)
- Updating documentation for new datetime format [#6337](https://github.com/opensearch-project/documentation-website/pull/6337)
- Add documentation for cluster-level coordination setting changes [#6336](https://github.com/opensearch-project/documentation-website/pull/6336)
- Update remote cluster documentation for global metadata and new dynamic settings [#6309](https://github.com/opensearch-project/documentation-website/pull/6309)
- Add include_named_queries_score to docs [#6306](https://github.com/opensearch-project/documentation-website/pull/6306)
- Add remove_by_pattern ingest processor [#6295](https://github.com/opensearch-project/documentation-website/pull/6295)
- Add copy ingest processor [#6294](https://github.com/opensearch-project/documentation-website/pull/6294)
- Add alias support to Security Analytics [#6284](https://github.com/opensearch-project/documentation-website/pull/6284)
- Update SAML tutorial with new default Admin settings [#6279](https://github.com/opensearch-project/documentation-website/pull/6279)
- Add threat intelligence for 2.12 [#6273](https://github.com/opensearch-project/documentation-website/pull/6273)
- Added documentation for changing the default values of HNSW hyper parameters in k-NN plugin [#6272](https://github.com/opensearch-project/documentation-website/pull/6272)
- Document new experimental HTTP transport based on Netty 4 and Project Reactor [#6265](https://github.com/opensearch-project/documentation-website/pull/6265)
- Add Query Insights documentation [#6261](https://github.com/opensearch-project/documentation-website/pull/6261)
- Add flow framework documentation [#6257](https://github.com/opensearch-project/documentation-website/pull/6257)
- [DOC] Add documentation for admission control stats [#6253](https://github.com/opensearch-project/documentation-website/pull/6253)
- Update bundled JDK version (January 2024 Patch releases) [#6250](https://github.com/opensearch-project/documentation-website/pull/6250)
- Create or Update alias API supports must_exist parameter [#6245](https://github.com/opensearch-project/documentation-website/pull/6245)

## In progress documentation for 2.12.0

- Add documentation for new bloom filter settings [#6449](https://github.com/opensearch-project/documentation-website/pull/6449)

## Documentation for 2.12.0 experimental features

- Add query assist documentation to Observability [#6419](https://github.com/opensearch-project/documentation-website/pull/6419)
- Add documentation for dashboards assistant plugin [#6370](https://github.com/opensearch-project/documentation-website/pull/6370)
- Add agent framework/throttling/hidden model/OS assistant and update conversational search documentation [#6354](https://github.com/opensearch-project/documentation-website/pull/6354)
- Alerting plugin - experimental cross cluster monitor support documentation [#6350](https://github.com/opensearch-project/documentation-website/pull/6350)