4.21.0-0.ci-2026-05-27-210644

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-2026-05-27-210644

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 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:

Upgrades to:

Loading changelog, this may take a while ...

Changes from 4.21.0-0.ci-2026-05-27-150644

Created: 2026-05-27 21:08:08 +0000 UTC

Image Digest: sha256:e3a6e7967c88e82bee72b5fd8f3ee3f91779bb28e66e89503247e7c3b0668bb7

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:ca36dcd5d856a4b1a9feb55a963c562eac02aa66817e7059cf6b66a061d05833
rhel-coreos-10 git 10f1a2e7 sha256:c7ae3ab13decfc594a23ae86bc616a9414a917ba5444ea95f020b9a965a117e8
rhel-coreos-10-extensions git 10f1a2e7 sha256:4414cc7cd72c9c1d4bd059f7d1c00415da6fd541d3e3f3de283d887c9f471f42
rhel-coreos-extensions git 10f1a2e7 sha256:d8af8d579e179d194c7749a5f683fee8ecece7a32365607c6f4642b9098bb798

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