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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: 4.21.0-0.okd-scos-nightly-2026-04-08-134107, 4.21.0-0.okd-scos-nightly-2026-04-09-014107, 4.21.0-0.okd-scos-nightly-2026-04-09-134107, 4.21.0-0.okd-scos-nightly-2026-04-10-014243, 4.21.0-0.okd-scos-nightly-2026-04-10-134243

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Changes from 4.21.0-okd-scos.ec.19

Created: 2026-04-13 04:37:41 +0000 UTC

Image Digest: sha256:2f02e96a000d5e8189262f01bb101ced761291533110a1898af9cdc01cd5c0cb

Release 4.21.0-okd-scos.11 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-04-10-134243

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
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

aws-pod-identity-webhook

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

azure-cluster-api-controllers

azure-disk-csi-driver

azure-kms-encryption-provider

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-capi-operator

cluster-config-api

cluster-control-plane-machine-set-operator

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

docker-builder

driver-toolkit

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

kubevirt-cloud-controller-manager

kubevirt-csi-driver

machine-config-operator

machine-image-customization-controller

monitoring-plugin

multus-networkpolicy

networking-console-plugin

oauth-apiserver

oauth-proxy

oauth-server

oc-mirror

olm-catalogd, olm-operator-controller

openstack-machine-api-provider

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

operator-marketplace

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver-operator

prometheus

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

route-controller-manager

stream-coreos, stream-coreos-extensions

tests

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 10.0.20260109-0 to 10.0.20260317-0

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