4.21.0-0.ci-2026-06-15-232141

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-2026-06-15-232141

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:

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

Created: 2026-06-15 23:23:10 +0000 UTC

Image Digest: sha256:c7ba7471297888d7ccad3d7cbe856e8741b42524af19e3271f0ffa2e5638009b

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.

agent-installer-ui git 0b264c7f sha256:644d917b91938baa79185c0c03ae9fd6096488163fb86d30a9db0239f7305658
baremetal-installer git 3f37185a sha256:467f5e05f76b3c773aa0f5a4d65061436e36955c0d493f25c1802ec7842c7faa
installer git 3f37185a sha256:6b394bd37af743d6b6a524b09c206fc49e5f86ccb4b3d2a2ab4f3e010fd6d23a
rhel-coreos git 10f1a2e7 sha256:6ba72cdb64d55e196bcc60325d94db05c6379545d6c2edd357e2e99cf74fc5a8
rhel-coreos-extensions git 10f1a2e7 sha256:5bf3fb77a4084e3863496240b961e6fb358231b461442371df573e5ce0fc84fe

OCPBUGS-78330, OCPBUGS-82146, OCPBUGS-85550, OCPBUGS-88295, OCPBUGS-88297: Replace OLM-based Istio install with Sail Library #1442
OCPBUGS-86718: Add configuration override for X-SSL strip #1471
Full changelog

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Unable to show node image info: too many concurrent oc adm release info --rpmdb/--rpmdb-diff operations (limit 16)

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Source code for this page located on github