4.21.0-0.ci-2026-06-25-220051

Download the installer for your operating system or run

oc adm release extract --tools quay-proxy.ci.openshift.org/openshift/ci:rc_payload__4.21.0-0.ci-2026-06-25-220051

Team Approvals:

Tests:

Blocking jobs
- aws-ovn-upgrade-4.21-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-aws-ovn-upgrade
- azure-ovn-upgrade-4.21-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-azure-ovn-upgrade
- gcp-ovn-upgrade-4.21-micro Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-gcp-ovn-upgrade
- hypershift-e2e-aks Succeeded (1 retry) periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-aks
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- hypershift-e2e-aws Succeeded periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-aws-ovn
Async jobs
- claude-payload-agent Pending periodic-ci-openshift-release-main-claude-payload-agent-no-slack

Upgrades from:

Upgrades to:

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Changes from 4.21.0-0.ci-2026-06-25-131915

Created: 2026-06-25 22:02:18 +0000 UTC

Image Digest: sha256:30ac66743d4a019046de4af5c4ddfbb8a491e0d0bd4b45a03a3c15552623cd6a

Kubectl 1.34.1
Kubernetes 1.34.8
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260521-0

The CoreOS links above are for the base CoreOS layer used to build the OpenShift node image and do not contain OpenShift components. This is normally only useful to devs working closely with the CoreOS team. For info about the node image, see the Node Image Info section.

hypershift git 5de8af68 sha256:4fcadc73fb9097fe9596c47ca02a7cd9bd6e083f9aece2f3bb9f5939f2476617
rhel-coreos git 10f1a2e7 sha256:7fd5018515cfdf7a0f10045c60718a43bf7428e4e51b984b676cb1b4d7796e41
rhel-coreos-extensions git 10f1a2e7 sha256:e67dbedeb0ada34bf6445ce0d2342b6039afd653e858756f93270ad11b523524

OCPBUGS-88740: Update RHCOS-release-4.21 data/data/coreos/rhcos.json to 9.6.20260616-0 #10651
Full changelog

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Unable to show node image info: too many concurrent oc adm release info --rpmdb/--rpmdb-diff operations (limit 32)

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Source code for this page located on github