4.21.0-0.ci-2026-05-23-143059

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-2026-05-23-143059

Team Approvals:

Tests:

Blocking jobs
- aws-ovn-upgrade-4.21-minor Pending (1 retry) periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-aws-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Pending
- 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 Pending (1 retry) periodic-ci-openshift-release-main-ci-4.21-e2e-gcp-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Pending
- 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 Pending periodic-ci-openshift-release-main-claude-payload-agent-no-slack

Upgrades from:

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

Created: 2026-05-23 14:38:20 +0000 UTC

Image Digest: sha256:dc827a50da50551a77b1b85c522c53cf0b04c6043634db5c0cad2c7b80cd7612

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 sha256:18a011f59654a61d6347327a6cda63c8361d26ab5c2c4a32aa2c30a3407812d9
rhel-coreos-10 git 10f1a2e7 sha256:01c22992a61ab24876b2afe149dbfb689cd6c8892f193b446bef04ab21c42e5a
rhel-coreos-10-extensions git 10f1a2e7 sha256:63583df7c6c00b9ecd3bab3c7b54f7cf13d0dd3a27b8bae22302ff641cde650a
rhel-coreos-extensions git 10f1a2e7 sha256:ea36b655e748d45c32da69823f14b91a77e33efa59af8792506a0a428058d00e

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