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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