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4.21.0-rc.2

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.21.0-rc.2-x86_64
Team Approvals:

Tests:

Upgrades from:


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Changes from 4.21.0-rc.0

Created: 2026-01-14 18:55:18 +0000 UTC

Image Digest: sha256:d728de4be64b32806f3e46c87e16fe5b2988798fcea33f1ecb11d0aef705ecb2

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
OpenShiftPodSecurityAdmission
(0 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled

Rebuilt images without code change

agent-installer-ui

agent-installer-utils

aws-ebs-csi-driver-operator, azure-disk-csi-driver-operator, azure-file-csi-driver-operator, csi-driver-manila-operator, openstack-cinder-csi-driver-operator

aws-machine-controllers

azure-cloud-controller-manager, azure-cloud-node-manager

azure-disk-csi-driver

baremetal-installer, installer, installer-artifacts

cluster-baremetal-operator

cluster-capi-controllers

cluster-capi-operator

cluster-config-api

cluster-control-plane-machine-set-operator

cluster-csi-snapshot-controller-operator

cluster-kube-apiserver-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-storage-operator

console

console-operator

hyperkube, kube-proxy, pod

hypershift

ibmcloud-cluster-api-controllers

ironic

kube-state-metrics

machine-config-operator

monitoring-plugin

networking-console-plugin

olm-catalogd, olm-operator-controller

prometheus-config-reloader, prometheus-operator, prometheus-operator-admission-webhook

rhel-coreos, rhel-coreos-extensions

rhel-coreos-10, rhel-coreos-10-extensions

tests


Node Image Info

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Package List

Full list (565 packages)

Changed:

Added:

Extensions

Full list (162 packages)


Red Hat Enterprise Linux CoreOS base layer: 9.6.20260112-0

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