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4.21.0-0.nightly-2025-12-05-204547

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-2025-12-05-204547
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Changes from 4.21.0-0.nightly-2025-11-22-193140

Created: 2025-12-05 20:48:59 +0000 UTC

Image Digest: sha256:5dc95432186309cb7f2116f309658882d19aca772c4357173bbd25d5060ed24e

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
DynamicResourceAllocation
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ImageStreamImportMode
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled Enabled
NewOLMBoxCutterRuntime
(0 tests)
Disabled Disabled Disabled Disabled
(Changed)
Disabled Disabled
(Changed)

New images

Rebuilt images without code change

agent-installer-api-server

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

agent-installer-node-agent

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

aws-karpenter-provider-aws

aws-machine-controllers

azure-cluster-api-controllers

azure-file-csi-driver

baremetal-installer

baremetal-runtimecfg

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cluster-authentication-operator

cluster-autoscaler-operator

cluster-baremetal-operator

cluster-capi-controllers

cluster-capi-operator

cluster-config-api

cluster-config-operator

cluster-control-plane-machine-set-operator

cluster-csi-snapshot-controller-operator

cluster-etcd-operator

cluster-image-registry-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-controller-manager-operator

cluster-kube-scheduler-operator

cluster-kube-storage-version-migrator-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-olm-operator

cluster-openshift-controller-manager-operator

cluster-samples-operator

cluster-version-operator

console

console-operator

container-networking-plugins, containernetworking-plugins-microshift

coredns

csi-driver-nfs

docker-registry

gcp-cluster-api-controllers

gcp-machine-controllers

gcp-pd-csi-driver-operator

haproxy-router

hyperkube, kube-proxy, pod

hypershift

ibmcloud-cluster-api-controllers

insights-operator

insights-runtime-exporter, insights-runtime-extractor

installer, installer-artifacts

ironic

ironic-agent

machine-api-operator

machine-config-operator

machine-os-images

metallb-frr

monitoring-plugin

multus-admission-controller

multus-cni, multus-cni-microshift

multus-networkpolicy

multus-route-override-cni

network-interface-bond-cni

network-metrics-daemon

network-tools

networking-console-plugin

nutanix-cloud-controller-manager

oauth-server

oc-mirror

olm-catalogd, olm-operator-controller

openshift-apiserver

openshift-controller-manager

openstack-cluster-api-controllers

openstack-machine-api-provider

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

ovn-kubernetes, ovn-kubernetes-microshift

prometheus

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

service-ca-operator

telemeter

tests

vsphere-cluster-api-controllers


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: 9.6.20251204-0

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