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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 |