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4.21.40

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.21.40-x86_64

Qualifiers (status api):

qe

Tests:

Upgrades from:

Untested upgrades: 4.20.20, 4.20.21, 4.20.22, 4.20.23, 4.20.24, 4.20.25, 4.20.26, 4.20.27, 4.20.28, 4.20.29, 4.20.30, 4.20.31, 4.20.33, 4.20.34, 4.20.35, 4.20.36, 4.20.37, 4.20.38, 4.20.39, 4.20.40, 4.20.41, 4.21.10, 4.21.11, 4.21.12, 4.21.13, 4.21.14, 4.21.15, 4.21.16, 4.21.17, 4.21.18, 4.21.19, 4.21.20, 4.21.21, 4.21.22, 4.21.23, 4.21.25, 4.21.26, 4.21.27, 4.21.28, 4.21.29, 4.21.3, 4.21.30, 4.21.31, 4.21.32, 4.21.33, 4.21.35, 4.21.36, 4.21.4, 4.21.5, 4.21.6, 4.21.8, 4.21.9

Upgrades to:


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Changes from 4.21.37

Created: 2026-10-25 21:25:26 +0000 UTC

Image Digest: sha256:81e06ac11f83bba175fa3cd1693521c37e67eb343b66c1137c232df6fc32e67d

Components

Rebuilt images without code change

aws-machine-controllers

azure-disk-csi-driver

azure-workload-identity-webhook

baremetal-installer, installer, installer-artifacts

baremetal-machine-controllers

baremetal-runtimecfg

cloud-credential-operator

cloud-network-config-controller

cluster-cloud-controller-manager-operator

cluster-config-operator

cluster-dns-operator

cluster-etcd-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-controller-manager-operator

cluster-kube-scheduler-operator

cluster-monitoring-operator

cluster-network-operator

cluster-olm-operator

cluster-policy-controller

cluster-samples-operator

cluster-storage-operator

cluster-version-operator

console

console-operator

coredns

csi-external-provisioner

csi-external-snapshot-metadata

csi-livenessprobe

gcp-cloud-controller-manager

gcp-pd-csi-driver

gcp-workload-identity-federation-webhook

hypershift

insights-operator

kube-rbac-proxy

kube-state-metrics

kubevirt-cloud-controller-manager

machine-api-operator

machine-config-operator

monitoring-plugin

multus-networkpolicy

multus-whereabouts-ipam-cni

networking-console-plugin

nutanix-cloud-controller-manager

oauth-apiserver

oauth-server

oc-mirror

openshift-controller-manager

openshift-state-metrics

ovn-kubernetes, ovn-kubernetes-microshift

powervs-cloud-controller-manager

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

route-controller-manager

tests

thanos

vsphere-cloud-controller-manager

vsphere-cluster-api-controllers

vsphere-problem-detector


Node Image Info

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Red Hat Enterprise Linux CoreOS (rhel-coreos)

Package List

Full list (565 packages)

Changed:

Extensions

Full list (162 packages)

Red Hat Enterprise Linux CoreOS 10.2 (rhel-coreos-10)

Package List

Full list (489 packages)

Extensions

Full list (207 packages)


Red Hat Enterprise Linux CoreOS base layer: 10.2.20260521-0

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