4.21.0-0.ci-2026-06-15-144257

This release was manually Accepted.

Reason: Upgrade-jobs-require-accepted-CI-basis;-previous-basis-removed-by-registry-cleanup

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-2026-06-15-144257

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 Failed (1 retry) periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-azure-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Failed
- 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:

Loading changelog, this may take a while ...

Changes from 4.21.0-0.ci-2026-06-15-084257

Created: 2026-06-15 14:44:08 +0000 UTC

Image Digest: sha256:420422ceb3836cee5235f9c0d360fc40e46df58b4b3bc5d05295499e4dfd7554

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:c72047c1b84179cefe655d673be7a4cafabf3685f2c0244e7a3dc49b5b512b8f
rhel-coreos-extensions git 10f1a2e7 sha256:8419e23bd5b2707a3a9e2f159d5a558ac227cf9ecf1a025c5696a413a6a2db42

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