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4.21.0-0.nightly-2025-08-29-203842

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.nightly-2025-08-29-203842
Team Approvals:

Tests:

Upgrades from:


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Changes from 4.21.0-0.nightly-2025-08-25-151133

Created: 2025-08-29 20:41:43 +0000 UTC

Image Digest: sha256:a7aeedb8bddd6138ba8896b62512d4810bfc1a5a313c3f3616dd83dde1e44a83

Components

FeatureGate Changes

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

New images

Rebuilt images without code change

agent-installer-api-server

agent-installer-csr-approver

agent-installer-node-agent

agent-installer-orchestrator

agent-installer-utils

apiserver-network-proxy

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

baremetal-installer, installer, installer-artifacts

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cluster-authentication-operator

cluster-autoscaler

cluster-autoscaler-operator

cluster-capi-operator

cluster-cloud-controller-manager-operator

cluster-config-api

cluster-config-operator

cluster-etcd-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-controller-manager-operator

cluster-kube-storage-version-migrator-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-storage-operator

cluster-update-keys

console

etcd

gcp-cloud-controller-manager

hyperkube, kube-proxy, pod

hypershift

insights-operator

ironic

kube-rbac-proxy

machine-config-operator

monitoring-plugin

network-tools

oauth-apiserver

oauth-proxy

oc-mirror

openshift-apiserver

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

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

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

tests


Node Image Info

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Package List

Full list (564 packages)

Changed:

Extensions

Full list (162 packages)


Red Hat Enterprise Linux CoreOS base layer: 9.6.20250826-1

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Source code for this page located on github