OpenShift Container Platform 4.21.0 has been released

OpenShift Container Platform 4.21.0 has been released

  • ppc64le payload: https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp/4.21.0/

  • multi payload: https://mirror.openshift.com/pub/openshift-v4/multi/clients/ocp/4.21.0/ppc64le/

New features are:

  • Added Installer-Provisioned Infrastructure (IPI) support for PowerVC [Technology Preview]

  • Enable Spyre Accelerator on IBM Power®

  • CIFS/SMB CSI Driver Operator

  • Red Hat build of Kueue

  • Kernel Module Management Operator

  • Servicability notes for kdump on IBM Power

Release Notes https://docs.redhat.com/en/documentation/openshift_container_platform/4.21/html/release_notes/ocp-4-21-release-notes#ocp-release-notes-ibm-power_release-notes

Video YouTube: What’s New in OpenShift 4.21 – Key Updates and New Features

See https://community.ibm.com/community/user/blogs/brandon-pederson1/2026/02/04/red-hat-openshift-421-is-now-generally-available-o