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4.21.5

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.21.5-x86_64
Team Approvals:

Tests:

Upgrades from:


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Changes from 4.21.4

Created: 2026-03-06 13:47:29 +0000 UTC

Image Digest: sha256:ae0711cb2b35d8661d086945e0578f9cd2d417093e910e47169447db5dd9f8bd

Components

FeatureGate Changes

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

Rebuilt images without code change

agent-installer-csr-approver, agent-installer-orchestrator

agent-installer-utils

cli, cli-artifacts, deployer, tools

cloud-network-config-controller

cluster-autoscaler

cluster-baremetal-operator

cluster-config-api

cluster-etcd-operator

cluster-ingress-operator

cluster-kube-scheduler-operator

cluster-monitoring-operator

console

console-operator

gcp-pd-csi-driver

gcp-pd-csi-driver-operator

hypershift

insights-operator

insights-runtime-exporter, insights-runtime-extractor

machine-config-operator

machine-image-customization-controller

monitoring-plugin

multus-networkpolicy

oauth-server

oc-mirror

ovn-kubernetes, ovn-kubernetes-microshift

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

rhel-coreos, rhel-coreos-extensions

vsphere-csi-driver-operator


Node Image Info

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Package List

Full list (565 packages)

Changed:

Extensions

Full list (162 packages)


Red Hat Enterprise Linux CoreOS base layer: 9.6.20260303-1

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