product · May 17, 2026
OpenShift version 4.21 becomes available in Red Hat OpenShift on IBM Cloud
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Red Hat OpenShift version 4.21 launched for clusters running in Red Hat OpenShift on IBM Cloud on May 15 2026. The release adds AI-driven insights, automated security signing, and local development tools. It supports OpenShift Container Platform versions including 4.14 through 4.21 for related components like GitOps 1.20.3 and Service Mesh 2.6.15. IBM Cloud users gain immediate access to the updated platform features.
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