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Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/opensearch-project/OpenSearch","question":"Is OpenSearch open source?","confidence":0.95}],"faqSource":"generated","releaseHistory":[{"version":"3.8.0","date":"2026-08-05T17:20:33Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.8.0","type":"stable"},{"version":"2.19.6","date":"2026-07-06T18:22:45Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.6","type":"stable"},{"version":"3.7.0","date":"2026-06-09T23:41:20Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.7.0","type":"stable"},{"version":"3.6.0","date":"2026-04-07T22:06:23Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.6.0","type":"stable"},{"version":"2.19.5","date":"2026-05-13T17:52:18Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.5","type":"stable"},{"version":"3.5.0","date":"2026-02-12T15:40:44Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.5.0","type":"stable"},{"version":"3.4.0","date":"2025-12-17T07:57:13Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.4.0","type":"stable"},{"version":"2.19.4","date":"2025-11-06T21:45:44Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4","type":"stable"},{"version":"3.3.2","date":"2025-10-30T20:34:44Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.2","type":"stable"},{"version":"3.3.1","date":"2025-10-22T18:32:00Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.1","type":"stable"},{"version":"3.3.0","date":"2025-10-14T21:22:10Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0","type":"stable"},{"version":"3.2.0","date":"2025-08-19T23:45:42Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.2.0","type":"stable"},{"version":"2.19.3","date":"2025-08-21T21:09:15Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.3","type":"stable"},{"version":"3.1.0","date":"2025-06-24T22:18:26Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.1.0","type":"stable"},{"version":"3.0.0","date":"2025-05-06T21:58:50Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.0.0","type":"stable"},{"version":"3.0.0-beta1","date":"2025-04-23T00:16:18Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.0.0-beta1","type":"stable"},{"version":"2.19.2","date":"2025-08-21T21:11:35Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.2","type":"stable"},{"version":"3.0.0-alpha1","date":"2025-03-18T22:31:54Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.0.0-alpha1","type":"stable"},{"version":"2.19.1","date":"2025-02-27T23:31:01Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.1","type":"stable"},{"version":"1.3.20","date":"2024-12-11T23:23:59Z","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/1.3.20","type":"stable"}],"integrations":[{"name":"Data Prepper"}],"vulnerabilities":{"count":0,"last12m":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.opensearch.client%3Aopensearch-rest-high-level-client&per_page=100"},"claimed":false,"updatedAt":"2026-09-14T15:44:12.095Z","formats":{"json":"https://www.vioscale.ai/api/v1/software/opensearch","markdown":"https://www.vioscale.ai/software/opensearch.md","html":"https://www.vioscale.ai/software/opensearch"}},"meta":{"source":"https://www.vioscale.ai","license":"CC-BY-4.0","generatedAt":"2026-09-21T02:33:39.085Z","disclaimer":"Independent, evidence-based. Every fact carries provenance."}}