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4.21.0-0.okd-scos-nightly-2026-06-27-172137

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-06-27-172137
Team Approvals:

Tests:

Upgrades from:


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Changes from 4.21.0-0.okd-scos-nightly-2026-06-02-124527

Created: 2026-06-27 17:25:27 +0000 UTC

Image Digest: sha256:8b707a126365e0e69f0d1d4c116534a732380658a01116fb7887c5d989386acd

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
GatewayAPIWithoutOLM
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)

Rebuilt images without code change

agent-installer-api-server

agent-installer-node-agent

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

azure-machine-controllers

baremetal-installer

baremetal-operator

cluster-config-api

cluster-etcd-operator

cluster-ingress-operator

cluster-monitoring-operator

cluster-node-tuning-operator

console

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

csi-external-provisioner

csi-external-snapshotter, csi-snapshot-controller

haproxy-router

hyperkube, kube-proxy, pod

hypershift

insights-operator

installer, installer-artifacts

ironic

machine-config-operator

machine-os-images

monitoring-plugin

networking-console-plugin

oauth-server

oc-mirror

olm-catalogd, olm-operator-controller

openshift-apiserver

tests

vsphere-problem-detector


Node Image Info

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CentOS Stream CoreOS 10 (stream-coreos)

Package List

Full list (483 packages)

Extensions

Full list (112 packages)


CentOS Stream CoreOS base layer: 10 10.0.20260414-0


OCPBUGS-87873: Add support for hermetic builds via Cachi2 prefetched CoreOS base layer: ISOs #97

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