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4.21.0-0.nightly-2025-10-09-150321

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-2025-10-09-150321
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Tests:

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Changes from 4.21.0-0.nightly-2025-10-07-171402

Created: 2025-10-09 15:05:14 +0000 UTC

Image Digest: sha256:e4ca6e44082fae111c8d06fe16c4d0149783b07815e1428ce4eb4668fcf73d0b

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
SetEIPForNLBIngressController
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ManagedBootImagesCPMS
(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-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

baremetal-operator

cluster-config-api

cluster-etcd-operator

cluster-kube-apiserver-operator

cluster-kube-scheduler-operator

cluster-monitoring-operator

cluster-network-operator

cluster-samples-operator

cluster-version-operator

console

csi-node-driver-registrar

hyperkube, kube-proxy, pod

hypershift

insights-runtime-exporter, insights-runtime-extractor

ironic-machine-os-downloader

kube-storage-version-migrator

machine-config-operator

machine-os-images

monitoring-plugin

must-gather

olm-catalogd, olm-operator-controller

openshift-state-metrics

ovn-kubernetes, ovn-kubernetes-microshift

prom-label-proxy

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

route-controller-manager

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: 9.6.20251008-0

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