# OpenSearch Kubernetes Operator 3.0 is now generally available

DevFeed: [OpenSearch Kubernetes Operator 3.0 is now generally available](<https://devfeed.tech/articles/opensearch-kubernetes-operator-3-0-is-now-generally-available-60298.md>)

Original publisher: [Read original article](<https://opensearch.org/blog/opensearch-kubernetes-operator-3-0-is-now-generally-available/>)

Author: Itamar Syn-Hershko

Published: 2026-09-25T22:03:12Z

Content type: release

Language: en

Sources: [OpenSearch](<https://devfeed.tech/sources/opensearch.md>)

Topics: [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [opensearch](<https://devfeed.tech/topics/opensearch.md>), [releases](<https://devfeed.tech/topics/releases.md>), [certificates](<https://devfeed.tech/topics/certificates.md>), [test](<https://devfeed.tech/topics/test.md>), [TLS (Transport Layer Security)](<https://devfeed.tech/topics/tls.md>), [upgrade](<https://devfeed.tech/topics/upgrade.md>), [integrity](<https://devfeed.tech/topics/integrity.md>), [version](<https://devfeed.tech/topics/version.md>), [data](<https://devfeed.tech/topics/data.md>)

Tags: [blog](<https://devfeed.tech/tags/blog.md>), [bugs](<https://devfeed.tech/tags/bugs.md>), [certificates](<https://devfeed.tech/tags/certificates.md>), [core](<https://devfeed.tech/tags/core.md>), [integrity](<https://devfeed.tech/tags/integrity.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [migration](<https://devfeed.tech/tags/migration.md>), [opensearch](<https://devfeed.tech/tags/opensearch.md>), [patching](<https://devfeed.tech/tags/patching.md>), [pull-requests](<https://devfeed.tech/tags/pull-requests.md>), [release](<https://devfeed.tech/tags/release.md>), [technical](<https://devfeed.tech/tags/technical.md>), [tls](<https://devfeed.tech/tags/tls.md>), [upgrades](<https://devfeed.tech/tags/upgrades.md>)

## AI overview

OpenSearch Kubernetes Operator 3.0 is generally available and recommended for production use. The release focuses on safer upgrades, restarts, scaling, certificate rotation, and migration from earlier 2.x versions, supported by a release-testing framework that checks cluster health and data integrity.

## Source excerpt

The OpenSearch Kubernetes Operator 3.0 GA release delivers production-grade rolling upgrades, TLS lifecycle management, safe scaling, and a tested migration from 2.x. The post OpenSearch Kubernetes Operator 3.0 is now generally available appeared first on OpenSearch.