4.21.0-0.ci-2026-05-18-073528

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-2026-05-18-073528

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 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:

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Changes from 4.21.0-0.ci-2026-05-17-084059

Created: 2026-05-18 08:50:49 +0000 UTC

Image Digest: sha256:eef1da1ea5eb901c4db7f79de1940b3fae0aa353d171844f033f01233ab87084

Kubectl 1.34.1
Kubernetes 1.34.8
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260513-0

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:bfb4d004ac9a96fea52e73f217cf5dcfe6495f18347e8a667bc2ff6756ff0037
rhel-coreos-10 git 10f1a2e7 sha256:d826de7f4040e0d034fb27392715a00fafa7d7a861a76c881f29dfc3156977f5
rhel-coreos-10-extensions git 10f1a2e7 sha256:47cd9f81694e7d7c3233da3f1de35fdba39647ea08e692eaf3c33e0507f8a762
rhel-coreos-extensions git 10f1a2e7 sha256:1b136c0a48eeb8e784fda9bcd85047a183a1c05ae7ecc67d474b9fb542a4d8bd

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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