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4.21.0-okd-scos.ec.2

Download installer and client with:

oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.ec.2
Team Approvals:

Tests:

Upgrades from:

Untested upgrades: 4.21.0-0.okd-scos-2025-09-27-155854, 4.21.0-0.okd-scos-2025-09-28-035854, 4.21.0-0.okd-scos-2025-09-28-165526, 4.21.0-0.okd-scos-2025-09-29-195656, 4.21.0-0.okd-scos-2025-09-30-202219

Upgrades to:


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Changes from 4.20.0-okd-scos.ec.16

Created: 2025-10-06 05:00:36 +0000 UTC

Image Digest: sha256:d6da98f22916e755e939c52ec0bffb69f244fe622b9d6a7e69759466e762a04f

Release 4.21.0-okd-scos.ec.2 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-2025-09-30-202219

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
InsightsConfigAPI
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
NodeSwap
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
GCPClusterHostedDNSInstall
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled Enabled
CBORServingAndStorage
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
ClientsAllowCBOR
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
ClientsPreferCBOR
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
ClusterAPIMachineManagementVSphere
(0 tests)
Enabled
(New)
Enabled
(New)

Removed images

Rebuilt images without code change

agent-installer-api-server

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

agent-installer-node-agent

agent-installer-utils

aws-cloud-controller-manager

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-cloud-controller-manager, azure-cloud-node-manager

azure-cluster-api-controllers

azure-machine-controllers

azure-service-operator

baremetal-installer, installer, installer-artifacts

baremetal-machine-controllers

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cluster-authentication-operator

cluster-autoscaler

cluster-baremetal-operator

cluster-capi-controllers

cluster-capi-operator

cluster-cloud-controller-manager-operator

cluster-config-api

cluster-control-plane-machine-set-operator

cluster-csi-snapshot-controller-operator

cluster-dns-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-cluster-api-operator

cluster-kube-controller-manager-operator

cluster-kube-scheduler-operator

cluster-machine-approver

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-olm-operator

cluster-policy-controller

cluster-samples-operator

cluster-storage-operator

cluster-update-keys

cluster-version-operator

console

console-operator

coredns

csi-external-attacher

csi-external-snapshot-metadata

csi-external-snapshotter, csi-snapshot-controller

docker-registry

driver-toolkit

gcp-cloud-controller-manager

gcp-cluster-api-controllers

gcp-machine-controllers

gcp-pd-csi-driver-operator

haproxy-router

hyperkube, installer-kube-apiserver-artifacts, kube-proxy, pod

hypershift

ibm-cloud-controller-manager

ibm-vpc-block-csi-driver

ibm-vpc-block-csi-driver-operator

ibmcloud-cluster-api-controllers

ibmcloud-machine-controllers

insights-operator

ironic

ironic-agent

kube-state-metrics

machine-api-operator

machine-config-operator

monitoring-plugin

network-tools

networking-console-plugin

nutanix-cloud-controller-manager

nutanix-machine-controllers

oauth-apiserver

oc-mirror

olm-catalogd, olm-operator-controller

openshift-apiserver

openshift-controller-manager

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

operator-marketplace

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

powervs-block-csi-driver-operator

prom-label-proxy

prometheus

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

prometheus-node-exporter

route-controller-manager

service-ca-operator

telemeter

tests

thanos

vsphere-cloud-controller-manager

vsphere-cluster-api-controllers

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

vsphere-csi-driver-operator


Node Image Info

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Package List

Full list (575 packages)

Extensions

Full list (48 packages)


CentOS Stream CoreOS base layer: 10.0.20250827-0

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Source code for this page located on github