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4.21.9

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.21.9-x86_64
Team Approvals:

Tests:

Upgrades from:


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Changes from 4.21.5

Created: 2026-04-03 09:39:33 +0000 UTC

Image Digest: sha256:7000f41b49c638e64d008be885b8d9e68c34f3558acb6b7bf920f4aaf22da425

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
KMSEncryptionProvider
(0 tests)
Disabled Disabled Enabled Enabled Disabled
(Changed)
Disabled
(Changed)
KMSEncryption
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)

Rebuilt images without code change

agent-installer-api-server

agent-installer-ui

agent-installer-utils

aws-cloud-controller-manager

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

azure-disk-csi-driver

baremetal-installer, installer, installer-artifacts

baremetal-operator

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cluster-authentication-operator

cluster-autoscaler

cluster-config-api

cluster-etcd-operator

cluster-kube-apiserver-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-olm-operator

cluster-openshift-apiserver-operator

cluster-version-operator

console

console-operator

driver-toolkit

haproxy-router

hyperkube, kube-proxy, pod

hypershift

ibmcloud-machine-controllers

insights-runtime-exporter, insights-runtime-extractor

ironic

keepalived-ipfailover

kubevirt-csi-driver

machine-config-operator

machine-image-customization-controller

monitoring-plugin

oc-mirror

olm-catalogd, olm-operator-controller

operator-framework-tools, operator-lifecycle-manager, operator-registry

operator-marketplace

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver-operator

prometheus

rhel-coreos, rhel-coreos-extensions

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

tests


Node Image Info

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Package List

Full list (481 packages)

Changed:

Removed:

Added:

Extensions

Full list (162 packages)


Red Hat Enterprise Linux CoreOS base layer: 10.2.20260330-0

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