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This version of the OpenSearch documentation is no longer maintained. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.

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