4.21.0-0.ci-2026-05-23-060258

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-2026-05-23-060258

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 (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 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-2026-05-22-061857

Created: 2026-05-23 06:05:54 +0000 UTC

Image Digest: sha256:fa7c8d86b142de657a3a9b06da274e9669be98e0d8f799cd3f4df676a09b0319

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 sha256:5590ccda1ba97bdc8f43aeebbb67e38309bf8680fc085882f082bcd2e4dd7807
rhel-coreos-10 git 10f1a2e7 sha256:4319f9d0780fdcf24c51e319e9a13ba4ffbfadc2a00c5296d6f4d22227497a5d
rhel-coreos-10-extensions git 10f1a2e7 sha256:1eb8c0c055a9ace3a9fb66f8c79f1db00168adbbd5cb955938d5071b6ff26b96
rhel-coreos-extensions git 10f1a2e7 sha256:8a05ac61d39cfd5e961c29af0a73d312a8e3cb56174d293b9934123e653699f5

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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