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4.21.0-0.nightly-multi-2026-09-27-182339

PullSpec:

quay.io/openshift-release-dev/ocp-release-nightly@sha256:55e98b56e1229815a8d89cd1d862e81e4c927ceeefef05e42ed3e344c1e823ae

Qualifiers (status api): None

Tests:

Upgrades from:


Changes from 4.21.0-0.nightly-multi-2026-08-16-064216

Created: 2026-09-27 19:03:00 +0000 UTC

Image Digest: sha256:1bec18af5a0749b0957178be78f44db2c1d1f904d964921184f1baf72b9c5da2

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
VSphereMultiVCenterDay2
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)

Rebuilt images without code change

agent-installer-api-server

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

agent-installer-node-agent

agent-installer-ui

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

aws-karpenter-provider-aws

aws-machine-controllers

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

azure-cluster-api-controllers

azure-disk-csi-driver

azure-file-csi-driver

azure-kms-encryption-provider

azure-machine-controllers

baremetal-installer, installer, installer-artifacts

cli, cli-artifacts, deployer, tools

cluster-authentication-operator

cluster-autoscaler-operator

cluster-capi-operator

cluster-cloud-controller-manager-operator

cluster-config-api

cluster-control-plane-machine-set-operator

cluster-csi-snapshot-controller-operator

cluster-image-registry-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

console

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

csi-external-attacher

csi-external-provisioner

csi-external-resizer

csi-external-snapshot-metadata

docker-builder

gcp-cloud-controller-manager

gcp-machine-controllers

hyperkube, kube-proxy, pod

hypershift

ibmcloud-cluster-api-controllers

ibmcloud-machine-controllers

insights-operator

ironic

ironic-agent

machine-api-operator

machine-config-operator

monitoring-plugin

multus-cni, multus-cni-microshift

network-metrics-daemon

networking-console-plugin

oauth-proxy

oauth-server

oc-mirror

olm-catalogd, olm-operator-controller

openstack-cluster-api-controllers

openstack-resource-controller

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

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

powervs-block-csi-driver-operator

prometheus

prometheus-alertmanager

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

prometheus-node-exporter

tests

volume-data-source-validator

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

vsphere-csi-driver-operator

vsphere-problem-detector


Node Image Info

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Red Hat Enterprise Linux CoreOS (rhel-coreos)

Package List

Full list (565 packages)

Changed:

Removed:

Extensions

Full list (162 packages)

Red Hat Enterprise Linux CoreOS 10.2 (rhel-coreos-10)

Package List

Full list (489 packages)

Extensions

Full list (207 packages)


Red Hat Enterprise Linux CoreOS base layer: 10.2.20260521-0

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