Achieve more with Red Hat OpenShift 4.21

Published: (February 2, 2026 at 07:00 PM EST)
1 min read

Source: Red Hat Blog

Release Overview

Red Hat OpenShift 4.21, based on Kubernetes 1.34 and CRI‑O 1.34, is now generally available. Together with Red Hat OpenShift Platform Plus, this release demonstrates our continued commitment to delivering the trusted, comprehensive, and consistent application platform that enterprises rely on for production workloads across the hybrid cloud without compromising on security.

This release emphasizes running AI training jobs, containerized microservices, and virtualized applications on the same infrastructure with the same operational model. With OpenShift 4.21, you can simultaneously modernize ex

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