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4.21.0-0.nightly-2026-05-18-174015

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.nightly-2026-05-18-174015
Team Approvals:

Tests:

Upgrades from:

Upgrades to:


Changes from 4.21.0-0.nightly-2026-05-12-052734

Created: 2026-05-18 17:43:14 +0000 UTC

Image Digest: sha256:0995cc91098945e6c1a46c685ea94d7312f9b4b8bf76d39016a8ba7ef95adac2

Components

Rebuilt images without code change

agent-installer-api-server

agent-installer-utils

aws-ebs-csi-driver

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-kms-encryption-provider

cluster-network-operator

console

csi-external-attacher

gcp-pd-csi-driver

hyperkube, kube-proxy, pod

hypershift

ibm-vpc-block-csi-driver

kube-state-metrics

machine-config-operator

machine-os-images

monitoring-plugin

must-gather

olm-catalogd, olm-operator-controller

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

tests


Node Image Info

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Red Hat Enterprise Linux CoreOS (rhel-coreos)

Package List

Full list (569 packages)

Changed:

Extensions

Full list (162 packages)

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

Package List

Full list (482 packages)

Changed:

Extensions

Full list (209 packages)


Red Hat Enterprise Linux CoreOS base layer: 10.2.20260513-0

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