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4.20.40

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.20.40-x86_64

Qualifiers (status api):

QE

Tests:

Upgrades from:

Untested upgrades: 4.19.18, 4.19.19, 4.19.20, 4.19.22, 4.19.23, 4.19.24, 4.19.25, 4.19.26, 4.19.27, 4.19.28, 4.19.29, 4.19.30, 4.19.31, 4.19.32, 4.19.33, 4.19.34, 4.19.35, 4.19.36, 4.19.37, 4.19.38, 4.19.39, 4.19.41, 4.19.42, 4.19.44, 4.19.45, 4.20.10, 4.20.11, 4.20.12, 4.20.13, 4.20.14, 4.20.15, 4.20.16, 4.20.17, 4.20.18, 4.20.19, 4.20.21, 4.20.22, 4.20.23, 4.20.24, 4.20.27, 4.20.28, 4.20.29, 4.20.3, 4.20.30, 4.20.31, 4.20.32, 4.20.33, 4.20.34, 4.20.35, 4.20.36, 4.20.4, 4.20.5, 4.20.6, 4.20.8, 4.20.9

Upgrades to:


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Changes from 4.20.26

Created: 2026-09-25 06:51:50 +0000 UTC

Image Digest: sha256:5e7b078005685058604a617d52e416d3d152a6ab9197e51c81f4d446b6c0102b

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
GatewayAPIWithoutOLM
(5 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled
(Changed)
Enabled
(Changed)
Enabled
(Changed)
Enabled
(Changed)

Rebuilt images without code change

agent-installer-api-server

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

agent-installer-node-agent

agent-installer-ui

aws-cluster-api-controllers

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-cluster-api-controllers

azure-disk-csi-driver

azure-file-csi-driver

azure-kms-encryption-provider

azure-workload-identity-webhook

baremetal-installer, installer, installer-artifacts

baremetal-operator

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cloud-network-config-controller

cluster-authentication-operator

cluster-autoscaler

cluster-autoscaler-operator

cluster-config-api

cluster-control-plane-machine-set-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-policy-controller

console

console-operator

csi-driver-nfs

csi-external-provisioner

csi-external-resizer

csi-external-snapshotter, csi-snapshot-controller

docker-builder

egress-router-cni

gcp-cloud-controller-manager

gcp-machine-controllers

gcp-pd-csi-driver-operator

haproxy-router

hyperkube, kube-proxy, pod

hypershift

ibmcloud-cluster-api-controllers

ibmcloud-machine-controllers

insights-operator

ironic

ironic-agent

keepalived-ipfailover

kube-state-metrics

kubevirt-cloud-controller-manager

kubevirt-csi-driver

machine-config-operator

machine-os-images

monitoring-plugin

multus-cni, multus-cni-microshift

must-gather

network-metrics-daemon

networking-console-plugin

olm-catalogd, olm-operator-controller

openstack-machine-api-provider

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

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

prometheus

prometheus-alertmanager

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

rhel-coreos, rhel-coreos-extensions

tests

vsphere-csi-driver, vsphere-csi-driver-syncer

vsphere-problem-detector


Node Image Info

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Red Hat Enterprise Linux CoreOS (rhel-coreos)

Package List

Full list (564 packages)

Changed:

Removed:

Extensions

Full list (162 packages)


Red Hat Enterprise Linux CoreOS base layer: 9.6.20260917-0


OCPBUGS-87874: Add support for hermetic builds via Cachi2 prefetched CoreOS base layer: ISOs #98

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Source code for this page located on github