4.21.0-0.ci-2026-04-25-063315

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oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-04-25-063315

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

Created: 2026-04-25 06:40:08 +0000 UTC

Image Digest: sha256:6d606723c502fd051d7e9e607b39ddbe1e935ad8e9983897c11b1a3cb7c2d819

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 sha256:6062280cc7fb75dbc7179a4911715c138b90f8bedf7a10f9ade092f09c5a3344
rhel-coreos-10 git 10f1a2e7 sha256:8cf2b8fca7846645834e16c5854f834418646dba5c8291114a213fdac102d608
rhel-coreos-10-extensions git 10f1a2e7 sha256:f725d7a4d5da82a6ab532d8a3b6d878b8fcdf4552f05768a3789bab516a3dac5
rhel-coreos-extensions git 10f1a2e7 sha256:b6a0fa911a415ad71ecca358a8af93ea7577e5f8b70ea0bae44432b40e2f29a3

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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