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4.21.0-0.okd-scos-nightly-2026-06-27-052137

Download installer and client with:

oc adm release extract --tools registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-nightly-2026-06-27-052137
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 05:29:10 +0000 UTC

Image Digest: sha256:98b77c47a15a2d94ab552e1bc83d7b0a1bd8428696ff0d6d1561ed53f30e087d

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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