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layout: default
title: Version history
nav_order: 2
permalink: /version-history/
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# Version history

OpenSearch version | Release highlights | Release date
:--- | :--- | :--- | :---
[1.1.0](https://github.com/opensearch-project/opensearch-build/tree/main/release-notes/opensearch-release-notes-1.1.0.md) | 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](https://github.com/opensearch-project/opensearch-build/tree/main/release-notes/opensearch-release-notes-1.0.1.md) | Bug fixes. | 1 September 2021
[1.0.0](https://github.com/opensearch-project/opensearch-build/tree/main/release-notes/opensearch-release-notes-1.0.0.md) | General availability release. Adds compatibility setting for clients that require a version check before connecting. | 12 July 2021
[1.0.0-rc1](https://github.com/opensearch-project/opensearch-build/tree/main/release-notes/opensearch-release-notes-1.0.0-rc1.md) | First release candidate. | 7 June 2021
[1.0.0-beta1](https://github.com/opensearch-project/opensearch-build/tree/main/release-notes/opensearch-release-notes-1.0.0-beta1.md) | Initial beta release. Refactors plugins to work with OpenSearch. | 13 May 2021