4.21.0-0.ci-2026-05-22-061857

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-2026-05-22-061857

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 (1 retry) periodic-ci-openshift-release-main-ci-4.21-e2e-gcp-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- 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:

Upgrades to:

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Changes from 4.21.0-0.ci-2026-05-22-001857

Created: 2026-05-22 06:26:08 +0000 UTC

Image Digest: sha256:da4d7694c07cc34eee64e60b1f1db0478592d45bb341a30481087c59685eb802

Kubectl 1.34.1
Kubernetes 1.34.8
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS upgraded from 10.2.20260513-0 to 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:f8721b9e14a0e0736db7087e35b0f7736e9481d69bd32ccdeeb539259b525d8d
rhel-coreos-10 git 10f1a2e7 sha256:f5b99e219ab2a5bd5727cb664308a91ee50791e2b7ba3a8fcee54a38ba2dc33a
rhel-coreos-10-extensions git 10f1a2e7 sha256:8ba13dbd4eadb6854c7bb24aa2534692b9cb41e9aea55a1473695e151a63d6c4
rhel-coreos-extensions git 10f1a2e7 sha256:39414ea6b6e7d9d615c2ccb0f6ef99c7d484520af7fab1b0ed36100e514d69fd

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