4.21.0-0.ci-2026-04-27-194553

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oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-04-27-194553

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Changes from 4.21.0-0.ci-2026-04-21-165544

Created: 2026-04-27 19:46:10 +0000 UTC

Image Digest: sha256:29b3d15881a75cf6200ad758ac76f69029c71158cd6377a6f84edf1447061c7c

Kubectl 1.34.1
Kubernetes 1.34.6
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS upgraded from 10.2.20260408-0 to 10.2.20260423-0

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.

etcd git 806f690e sha256:05f9556bda126722daddd12712638c834dbd7f06ff657685b5f44acd6b7e5160
installer-etcd-artifacts git 806f690e sha256:59eed426ccc7b6d6f069bb7f60567d88e3bbeac4c5de0249bae47617e09285f4
ovn-kubernetes git 9c42aa99 sha256:fc329b168808e1aee151d0491c8d559a4e7ee64c1e507a6add28b85e8f4df920
ovn-kubernetes-microshift git 9c42aa99 sha256:a8deb8b0f00e7b6bde357c0719f27c9d2abdfb70c6a8f16e321dd696136538fb
rhel-coreos git 10f1a2e7 sha256:31cd6071a35ff68fc9e8eb4b61228255cf8879e80fe922a9659e1506e85ac6f3
rhel-coreos-10 git 10f1a2e7 sha256:bcc3be4e6991e3115d2b5f619d6321d3adf5f79457ec8389571424a7eb7f268c
rhel-coreos-10-extensions git 10f1a2e7 sha256:93d8c4b89e2efa5a1cd982b3061506e048cd9f9b188cc5dad0f36f1db78169b2
rhel-coreos-extensions git 10f1a2e7 sha256:a929d2687555c276a41cc764324c01a538c340072d8e3b9a210d3e7c76fae287

OCPBUGS-83494: remove dev to admin links as dev monitoring views are enabled #16164
Full changelog

OCPBUGS-82546: Only print catalog rebuild message if there are catalogs to rebuild #1388
OCPBUGS-82543: Fix printing collection messages with 0 collection items #1387
OCPBUGS-81743: Remove status field from CatalogSource, ClusterCatalog… #1383
Full changelog

OCPBUGS-80870: CVE-2026-33186 openshift4/ose-thanos-rhel9: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation [openshift-4.21] #174
Full changelog

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