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4.21.0-okd-scos.ec.18

Download installer and client with:

oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.ec.18
Team Approvals:

Tests:

Upgrades from:

Untested upgrades: 4.20.0-okd-scos.16, 4.21.0-0.okd-scos-2025-12-15-084756, 4.21.0-0.okd-scos-2025-12-15-204756, 4.21.0-0.okd-scos-2025-12-16-084756, 4.21.0-0.okd-scos-2026-01-09-032616, 4.21.0-0.okd-scos-2026-01-09-152616, 4.21.0-okd-scos.ec.1, 4.21.0-okd-scos.ec.11, 4.21.0-okd-scos.ec.12, 4.21.0-okd-scos.ec.2, 4.21.0-okd-scos.ec.3, 4.21.0-okd-scos.ec.5, 4.21.0-okd-scos.ec.6, 4.21.0-okd-scos.ec.7, 4.21.0-okd-scos.ec.8, 4.21.0-okd-scos.ec.9

Changes from 4.21.0-okd-scos.ec.13

Created: 2026-01-12 05:00:37 +0000 UTC

Image Digest: sha256:f21749d8a805f1b4ea377fee99dcec8b32c589d162c1f84dd63c80e73256c191

Release 4.21.0-okd-scos.ec.18 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-2026-01-09-152616

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
OpenShiftPodSecurityAdmission
(0 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
SigstoreImageVerificationPKI
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled Enabled

New images

Rebuilt images without code change

agent-installer-api-server

agent-installer-utils

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-cluster-api-controllers

azure-disk-csi-driver

baremetal-cluster-api-controllers

baremetal-installer, installer, installer-artifacts

baremetal-operator

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cluster-authentication-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-image-registry-operator

cluster-kube-apiserver-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-olm-operator

cluster-openshift-controller-manager-operator

cluster-storage-operator

cluster-version-operator

console

console-operator

gcp-pd-csi-driver-operator

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

hypershift

insights-operator

ironic

ironic-agent

keepalived-ipfailover

kube-state-metrics

machine-api-operator

machine-config-operator

monitoring-plugin

networking-console-plugin

oauth-apiserver

oc-mirror

olm-catalogd, olm-operator-controller

openshift-controller-manager

operator-marketplace

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

service-ca-operator

tests


Node Image Info

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Package List

Full list (479 packages)

Changed:

Removed:

Added:

Extensions

Full list (111 packages)


CentOS Stream CoreOS base layer: 10.0.20260108-0

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Source code for this page located on github