Back to index

4.21.0-0.okd-scos-2025-09-15-153938

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-2025-09-15-153938
Team Approvals:

Tests:

Upgrades from:

Upgrades to:


Loading changelog, this may take a while ...

Changes from 4.20.0-0.okd-scos-2025-09-10-192744

Created: 2025-09-15 15:49:10 +0000 UTC

Image Digest: sha256:28cf9b10338ee5d0a35f21f6b66196c8f61f58dfb683f421a68af2f169dceb71

Components

FeatureGate Changes

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

Rebuilt images without code change

agent-installer-api-server

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

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

azure-machine-controllers

baremetal-installer, installer, installer-artifacts

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cluster-capi-operator

cluster-cloud-controller-manager-operator

cluster-config-api

cluster-ingress-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

console

console-operator

csi-external-attacher

csi-external-snapshot-metadata

csi-external-snapshotter, csi-snapshot-controller

docker-registry

driver-toolkit

gcp-machine-controllers

gcp-pd-csi-driver-operator

haproxy-router

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

hypershift

insights-operator

ironic

machine-api-operator

machine-config-operator

monitoring-plugin

network-tools

networking-console-plugin

oc-mirror

olm-catalogd, olm-operator-controller

openshift-apiserver

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

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

prom-label-proxy

prometheus-node-exporter

tests

vsphere-cluster-api-controllers

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


Node Image Info

Loading node image info, this may take a while ...

Package List

Full list (575 packages)

Extensions

Full list (48 packages)


CentOS Stream CoreOS base layer: 10.0.20250827-0

View changelog in Markdown or 

Source code for this page located on github