4.21.0-0.nightly-2026-05-22-232539

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.nightly-2026-05-22-232539

Team Approvals:

Accepted
- QE

Tests:

Blocking jobs
- aws-ovn-serial-1of2 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-serial-1of2
- aws-ovn-serial-2of2 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-serial-2of2
- aws-ovn-single-node-upgrade-4.21-micro Succeeded (1 retry) periodic-ci-openshift-release-main-ci-4.21-e2e-aws-upgrade-ovn-single-node
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- aws-ovn-upgrade-4.21-micro-fips Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-upgrade-fips
- aws-ovn-upgrade-4.21-micro-fips-no-nat-instance Succeeded (1 retry) periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-upgrade-fips-no-nat-instance
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- azure-ovn-upgrade-4.21-micro Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-azure-ovn-upgrade
- driver-toolkit Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-driver-toolkit
- fips-scan Succeeded periodic-ci-openshift-release-main-nightly-4.21-fips-payload-scan
- gcp-ovn-rt-upgrade-4.21-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-gcp-ovn-rt-upgrade
- hypershift-ovn-conformance-4.21 Succeeded periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-aws-ovn-conformance
- install-analysis-all Succeeded periodic-ci-openshift-release-main-nightly-4.21-install-analysis-all
- metal-ipi-ovn-bm Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-bm
- metal-ipi-ovn-ipv6 Succeeded (1 retry) periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-ipv6
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- microshift-ovn-conformance-parallel Succeeded periodic-ci-openshift-microshift-release-4.21-periodics-e2e-aws-ovn-ocp-conformance
- microshift-ovn-conformance-serial Succeeded periodic-ci-openshift-microshift-release-4.21-periodics-e2e-aws-ovn-ocp-conformance-serial
- overall-analysis-all Succeeded (1 retry) periodic-ci-openshift-release-main-nightly-4.21-overall-analysis-all
  - Attempt 1 Failed
  - Attempt 2 Succeeded
Informing jobs
- aws-console Failed periodic-ci-openshift-release-main-nightly-4.21-console-aws
- aws-control-plane-machine-set-operator Succeeded periodic-ci-openshift-cluster-control-plane-machine-set-operator-release-4.21-periodics-e2e-aws
- aws-csi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-csi
- aws-ovn Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-aws-ovn
- aws-ovn-cgroupsv2 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-cgroupsv2
- aws-ovn-fips Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-fips
- aws-ovn-single-node Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-single-node
- aws-ovn-single-node-csi Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-single-node-csi
- aws-ovn-single-node-serial Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-single-node-serial
- aws-ovn-single-node-upgrade-minor Succeeded periodic-ci-openshift-release-main-nightly-4.21-upgrade-from-stable-4.20-e2e-aws-upgrade-ovn-single-node
- aws-ovn-upgrade-out-of-change Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-aws-ovn-upgrade-out-of-change
- aws-upi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-upi
- azure-control-plane-machine-set-operator Succeeded periodic-ci-openshift-cluster-control-plane-machine-set-operator-release-4.21-periodics-e2e-azure
- azure-csi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-azure-csi
- azure-ovn Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-azure-ovn
- azure-ovn-serial Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-azure-ovn-serial
- azure-ovn-upgrade-out-of-change Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-azure-ovn-upgrade-out-of-change
- cnv Succeeded periodic-ci-openshift-release-main-cnv-nightly-4.21-deploy-azure-kubevirt-ovn
- gcp-control-plane-machine-set-operator Failed periodic-ci-openshift-cluster-control-plane-machine-set-operator-release-4.21-periodics-e2e-gcp
- gcp-ovn Failed periodic-ci-openshift-release-main-ci-4.21-e2e-gcp-ovn
- gcp-ovn-csi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-gcp-ovn-csi
- gcp-ovn-rt Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-gcp-ovn-rt
- gcp-ovn-serial Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-gcp-ovn-serial
- gcp-ovn-upgrade-4.21-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-gcp-ovn-upgrade
- gcp-ovn-upgrade-micro Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-gcp-ovn-upgrade
- hypershift-aks-conformance-4.21 Succeeded periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-azure-aks-ovn-conformance
- hypershift-kubevirt-ovn-conformance-4.21 Failed periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-azure-kubevirt-ovn
- metal-ipi-ovn-dualstack Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-dualstack
- metal-ipi-ovn-serial Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-serial-ipv4
- metal-ipi-ovn-serial-virtualmedia-1of2 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-serial-virtualmedia-1of2
- metal-ipi-ovn-serial-virtualmedia-2of2 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-serial-virtualmedia-2of2
- metal-ipi-ovn-upgrade Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-upgrade
- metal-ipi-ovn-upgrade-minor Failed periodic-ci-openshift-release-main-nightly-4.21-upgrade-from-stable-4.20-e2e-metal-ipi-ovn-upgrade
- metal-ipi-serial-ipv6 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-serial-ovn-ipv6
- metal-ipi-serial-ovn-dualstack Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-serial-ovn-dualstack
- metal-ipi-upgrade-ovn-ipv6 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-upgrade-ovn-ipv6
- metal-ipi-upgrade-ovn-ipv6-minor Succeeded periodic-ci-openshift-release-main-nightly-4.21-upgrade-from-stable-4.20-e2e-metal-ipi-upgrade-ovn-ipv6
- metal-ovn-single-node-recert-cluster-rename Succeeded periodic-ci-openshift-release-main-nightly-4.21-metal-ovn-single-node-recert-cluster-rename
- openshift-dedicated-gcp-conformance Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-osd-ccs-gcp
- ovn-proxy Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-proxy
- ovn-single-node-live-iso Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ovn-single-node-live-iso
- qe-perfscale Succeeded periodic-ci-openshift-eng-ocp-qe-perfscale-ci-main-aws-4.21-nightly-x86-payload-control-plane-6nodes
- rosa-classic-sts-conformance Succeeded (1 retry) periodic-ci-openshift-release-main-nightly-4.21-e2e-rosa-sts-ovn
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- telcov10n-metal-single-node-spoke Failed periodic-ci-openshift-kni-eco-ci-cd-main-nightly-4.21-telcov10n-metal-single-node-spoke
- telcov10n-metal-single-node-spoke-kpis Succeeded periodic-ci-openshift-kni-eco-ci-cd-main-nightly-4.21-telcov10n-metal-single-node-spoke-kpis
- upgrade-analysis-all Failed (2 retries) periodic-ci-openshift-release-main-nightly-4.21-upgrade-analysis-all
- upgrade-minor-ovn Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-aws-ovn-upgrade
- vsphere-ovn Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-vsphere-ovn
- vsphere-ovn-csi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-vsphere-ovn-csi
- vsphere-ovn-serial Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-vsphere-ovn-serial
- vsphere-ovn-upgrade-micro Succeeded periodic-ci-openshift-release-main-ci-4.21-e2e-vsphere-ovn-upgrade
- vsphere-ovn-upgrade-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-vsphere-ovn-upgrade
- vsphere-ovn-upi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-vsphere-ovn-upi
- vsphere-ovn-upi-serial Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-vsphere-ovn-upi-serial
- vsphere-static-ovn Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-vsphere-static-ovn
Async jobs
- claude-payload-agent Succeeded periodic-ci-openshift-release-main-claude-payload-agent-no-slack

Upgrades from:

4.21.0-0.nightly-2026-05-22-055327 - S F S S S S S F S S S S
4.20.0-0.nightly-2026-05-22-140053 (changes) - S S S S S F S

Upgrades to:

4.22.0-0.nightly-2026-05-23-211549 (changes) - P P P S P P P
4.22.0-0.nightly-2026-05-23-123157 (changes) - S S S F S S S
4.21.0-0.nightly-2026-05-23-165108 (changes) - S S F F P S S S S S S
4.21.0-0.nightly-2026-05-23-055425 (changes) - S F S S F S S S S S S F

Loading changelog, this may take a while ...

Changes from 4.21.0-0.nightly-2026-05-22-055327

Created: 2026-05-22 23:28:30 +0000 UTC

Image Digest: sha256:a10b21c24d5828694dfa49f7bb7db2afa15b97dca0bdda506cf9352652e5b092

Components

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.

Rebuilt images without code change

agent-installer-ui git c7ea3d63 sha256:fd2a0a3e0b833fbf5358676633a63bbaef91bb43d8dca3a97870bce6cbab3e05
cluster-node-tuning-operator git a6f7d8ab sha256:465fe626044ea4f01c5a2f672a419a999626152a36faa536c3429f367f82439e
console git 1d970d00 sha256:5e4fcab0637b0cb9ccd5d3d239cde3113119534e2c31f599fb98bfd231ab9568
ironic-machine-os-downloader git 707c2262 sha256:9e468cb9fb826fe17748fa2bfeda09157d24e72a213ad054b2527cdbda8eb34b
machine-config-operator git 2ba5a372 sha256:f1761d478e29258814eeec3376e5a6b3436845a413545d85b466f8ea075902f1
monitoring-plugin git 462c7889 sha256:ffb3162ee0253e95e126b02da240cbf21452333500cafcb4ea3cd216436fd73a
network-tools git d6717e45 sha256:d33a4d3910718d72d491daa7c4615c569d8a0beee40f1d50f0e330cd4a2cc7bd
networking-console-plugin git 268037d7 sha256:0411292e0531f3b5458e42eb72093f1cf8b15c27101e22be4de10e5ead556b3a
rhel-coreos git 10f1a2e7 sha256:12cf1cc571a29eb6feb5ace05519fe99e77a3ad20e62cd408c67f3c5e8e131c5
rhel-coreos-10 git 10f1a2e7 sha256:084ca9aab8ebcb57192b6a4fdeb7d4f26a2d3cc6d4f9b8cc2478e1c83953b352
rhel-coreos-10-extensions git 10f1a2e7 sha256:d5a5b77725a0dd15559629b8624826ae8ce7883454de9c4f78e89831c75e88b7
rhel-coreos-extensions git 10f1a2e7 sha256:560d2f74b67635fd4ee97a9e4a55a5ad6503b4df5ff7f23cf29524bbd1c6df78
tests git c2da98a5 sha256:ccbbbf6fcc4d6cdb573ff0e6dc88bed1495b4dc6cf23bee84c29a060a2a9d799
tools git fdf8daba sha256:eb2b491f28f98ceeaffa9cce84107d335fd81c2e9bbe89f6031b2b1a904c75a4

Node Image Info

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