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4.21.0-okd-scos.11

Download installer and client with:

oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.11
Team Approvals:

Tests:

Upgrades from:

Untested upgrades: 4.20.0-0.okd-scos-2026-02-07-001639, 4.21.0-0.okd-scos-nightly-2026-05-05-004704, 4.21.0-0.okd-scos-nightly-2026-05-05-124704, 4.21.0-0.okd-scos-nightly-2026-05-06-005227, 4.21.0-0.okd-scos-nightly-2026-05-06-125327, 4.21.0-0.okd-scos-nightly-2026-05-07-014546, 4.21.0-0.okd-scos-nightly-2026-05-07-134546

Upgrades to:


Changes from 4.21.0-okd-scos.3

Created: 2026-05-07 21:21:28 +0000 UTC

Image Digest: sha256:4b930ee653c7e7671cf2d69e50a1898330556a09ac58b255fbe4b8addd53b290

Release 4.21.0-okd-scos.11 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-05-07-134546

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
EventTTL
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled Enabled
IngressControllerDynamicConfigurationManager
(0 tests)
Disabled Disabled Enabled Enabled Enabled
(Changed)
Enabled
(Changed)
KMSEncryptionProvider
(0 tests)
Disabled Disabled Enabled Enabled Disabled
(Changed)
Disabled
(Changed)
KMSEncryption
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)

Removed images

Rebuilt images without code change

agent-installer-api-server

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

agent-installer-ui

agent-installer-utils

aws-cloud-controller-manager

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-disk-csi-driver

azure-file-csi-driver

azure-kms-encryption-provider

azure-service-operator

baremetal-installer, installer, installer-artifacts

baremetal-operator

baremetal-runtimecfg

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cloud-network-config-controller

cluster-authentication-operator

cluster-autoscaler

cluster-baremetal-operator

cluster-config-api

cluster-csi-snapshot-controller-operator

cluster-etcd-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-scheduler-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-olm-operator

cluster-openshift-apiserver-operator

cluster-storage-operator

cluster-version-operator

console

console-operator

csi-driver-manila, openstack-cinder-csi-driver, openstack-cloud-controller-manager

csi-driver-nfs

docker-builder

driver-toolkit

gcp-cloud-controller-manager

gcp-cluster-api-controllers

gcp-pd-csi-driver

gcp-pd-csi-driver-operator

haproxy-router

hyperkube, kube-proxy, pod

hypershift

ibm-vpc-block-csi-driver

ibmcloud-cluster-api-controllers

ibmcloud-machine-controllers

insights-operator

insights-runtime-exporter, insights-runtime-extractor

ironic

ironic-agent

ironic-machine-os-downloader

keepalived-ipfailover

kube-metrics-server

kubevirt-cloud-controller-manager

kubevirt-csi-driver

machine-api-operator

machine-config-operator

machine-image-customization-controller

monitoring-plugin

multus-cni, multus-cni-microshift

multus-networkpolicy

networking-console-plugin

oauth-server

oc-mirror

olm-catalogd, olm-operator-controller

openstack-cluster-api-controllers

openstack-machine-api-provider

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

operator-marketplace

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

powervs-block-csi-driver-operator

prometheus

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

route-controller-manager

stream-coreos, stream-coreos-extensions

telemeter

tests

thanos

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

vsphere-csi-driver-operator

vsphere-problem-detector


Node Image Info

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CentOS Stream CoreOS 10 (stream-coreos)

Package List

Full list (483 packages)

Changed:

Removed:

Added:

Extensions

Full list (112 packages)


CentOS Stream CoreOS base layer: 10 upgraded from 10.0.20260125-0 to 10.0.20260414-0

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Source code for this page located on github