4.21.0-0.ci-2026-05-22-151818

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-2026-05-22-151818

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 (1 retry) periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-azure-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- gcp-ovn-upgrade-4.21-micro Failed (1 retry) periodic-ci-openshift-release-main-ci-4.21-e2e-gcp-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Failed
- hypershift-e2e-aks Failed (1 retry) periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-aks
  - Attempt 1 Failed
  - Attempt 2 Failed
- 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-2026-05-22-061857

Created: 2026-05-22 15:21:14 +0000 UTC

Image Digest: sha256:b004c1b7a21ce99391e2d9b05d8b351d6387b9588c9af36e1cc842c7d9226ac7

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.

rhel-coreos git 10f1a2e7 sha256:a1228845456c0c2661292609c46bbf9f92077933444ff8299862646f4b8a4969
rhel-coreos-10 git 10f1a2e7 sha256:d4f7a0940e61c3f62fb62de9f227afb9efa1b2ecb4312fd08672973bb5fd67b6
rhel-coreos-10-extensions git 10f1a2e7 sha256:13d37c4f9d43488ea01c79f4ca0bde73c1c38f44671a58eef74afce513aaafb6
rhel-coreos-extensions git 10f1a2e7 sha256:5f0f291e7297b802af26423df4f47ac2a9a30fd7457999a54b59826e8c9b649f

Loading node image info, this may take a while ...

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