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Version history

OpenSearch version Release highlights Release date
1.2.4 Updates Performance Analyzer, SQL, and Security plugins to Log4j 2.17.1, Alerting and Job Scheduler to cron-utils 9.1.6, and gson in Anomaly Detection and SQL. 18 January 2022
1.2.3 Updates the version of Log4j used in OpenSearch to Log4j 2.17.0 as recommended by the advisory in CVE-2021-45105. 22 December 2021
1.2.0 Adds observability, new validation API for Anomaly Detection, shard-level indexing back-pressure, new “match” query type for SQL and PPL, support for Faiss libraries in k-NN, and custom Dashboards branding. 23 November 2021
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