4.21.0-0.ci-2026-04-29-143916

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-04-29-143916

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

Upgrades from:

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Changes from 4.21.0-0.ci-2026-04-28-155056

Created: 2026-04-29 14:39:55 +0000 UTC

Image Digest: sha256:ac389900aab8ca49cac1fa901e7b2b6e6d185154bc404ff938f4911a62519a00

Kubectl 1.34.1
Kubernetes 1.34.6
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260423-0

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.

rhel-coreos git 10f1a2e7 sha256:f969b8444094da6274b209413b021a3d9a7a324a9cf6d53577041dccea629f67
rhel-coreos-10 git 10f1a2e7 sha256:f8eb88686963f68acad7bf78723d85e712a9042c719c7d2fdfa72988195b23e9
rhel-coreos-10-extensions git 10f1a2e7 sha256:b719226dcffedfa7057ede0adefa4832854c6db8e0f958ab8887bdc9d3898b4b
rhel-coreos-extensions git 10f1a2e7 sha256:2005d0402866cb31a3e8d8b072ac5264776256b3be9f9b9c22553ca833f221ce

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Unable to show node image info: too many concurrent oc adm release info --rpmdb/--rpmdb-diff operations (limit 16)

View changelog in Markdown or change previous release:

Source code for this page located on github