Version history
| OpenSearch version | Release highlights | Release date |
|---|---|---|
| 1.1.0 | Adds cross-cluster replication, security for Index Management, bucket-level alerting, a CLI to help with upgrading from Elasticsearch OSS to OpenSearch, and enhancements to high cardinality data in the anomaly detection plugin. | 5 October 2021 |
| 1.0.1 | Bug fixes. | 1 September 2021 |
| 1.0.0 | General availability release. Adds compatibility setting for clients that require a version check before connecting. | 12 July 2021 |
| 1.0.0-rc1 | First release candidate. | 7 June 2021 |
| 1.0.0-beta1 | Initial beta release. Refactors plugins to work with OpenSearch. | 13 May 2021 |