4.21.0-0.ci-2026-05-26-152459

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oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-05-26-152459

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Tests:

Blocking jobs
- aws-ovn-upgrade-4.21-minor Failed (1 retry) periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-aws-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Failed
- 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
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Upgrades from:

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Changes from 4.21.0-0.ci-2026-05-26-061816

Created: 2026-05-26 15:27:44 +0000 UTC

Image Digest: sha256:caa5e5a618b485a159f225fa21fa24290432d0108b0df0f1e150ca238caa5f0c

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 sha256:5215f56387841959f7322812e306a5261831a37cca01387fa2be6519e025408c
rhel-coreos-10 git 10f1a2e7 sha256:1662c1cc939725f791b5f9979d5e201ca9b96a158ebfe76afdd5adfea90782b3
rhel-coreos-10-extensions git 10f1a2e7 sha256:03264d477fb44fdc6e1d3c827c95352f1459e18450fdf1dc417a5618dd0a2fc1
rhel-coreos-extensions git 10f1a2e7 sha256:10dfcbf71dc41d309e64f498ce80dca8791409fd172ecce025aa0c613c1fca9a

Operators section should not be displayed on review and installation progress pages when no operators are selected (#3751) #3751
Remove Arbiter button (#3749) #3749
Full changelog

OCPBUGS-86493: Add labelSelector to MachineSet status for scale subresource #2857
Full changelog

OCPBUGS-86119: Add unit and e2e test coverage for cert rotation redeployment #1162
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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