4.21.0-0.nightly-2026-04-08-222054

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-2026-04-08-222054

Team Approvals:

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 periodic-ci-openshift-release-main-ci-4.21-e2e-aws-upgrade-ovn-single-node
- 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 periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-upgrade-fips-no-nat-instance
- azure-ovn-upgrade-4.21-micro Succeeded (1 retry) periodic-ci-openshift-release-main-ci-4.21-e2e-azure-ovn-upgrade
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- 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 (1 retry) periodic-ci-openshift-release-main-nightly-4.21-install-analysis-all
  - Attempt 1 Failed
  - Attempt 2 Succeeded
- metal-ipi-ovn-bm Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-bm
- metal-ipi-ovn-ipv6 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-metal-ipi-ovn-ipv6
- microshift-ovn-conformance-parallel Succeeded periodic-ci-openshift-microshift-release-4.21-periodics-e2e-aws-ovn-ocp-conformance
- microshift-ovn-conformance-serial Failed (2 retries) 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 Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-single-node
- aws-ovn-single-node-csi Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-single-node-csi
- aws-ovn-single-node-serial Succeeded 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 Failed 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 Succeeded 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 Failed 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 Succeeded 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 Succeeded periodic-ci-openshift-release-main-nightly-4.21-upgrade-from-stable-4.20-e2e-metal-ipi-ovn-upgrade
- metal-ipi-serial-ipv6 Failed 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-aws Failed periodic-ci-openshift-osde2e-main-nightly-4.21-osd-aws
- openshift-dedicated-gcp-conformance Failed periodic-ci-openshift-release-main-nightly-4.21-e2e-osd-ccs-gcp
- openshift-dedicated-gcp-osde2e Succeeded periodic-ci-openshift-osde2e-main-nightly-4.21-osd-gcp
- ovn-proxy Succeeded periodic-ci-openshift-release-main-nightly-4.21-e2e-aws-ovn-proxy
- ovn-single-node-live-iso Succeeded 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 periodic-ci-openshift-release-main-nightly-4.21-e2e-rosa-sts-ovn
- rosa-classic-sts-osde2e Succeeded periodic-ci-openshift-osde2e-main-nightly-4.21-rosa-classic-sts
- 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 Failed 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 Failed periodic-ci-openshift-release-main-ci-4.21-e2e-vsphere-ovn-upgrade
- vsphere-ovn-upgrade-minor Failed 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

Upgrades from:

4.21.0-0.nightly-2026-04-08-161819 - Success
4.21.0-0.nightly-2026-04-07-043901 (changes) - S S S F S F S S S S
4.20.0-0.nightly-2026-04-08-123030 (changes) - S S F F S S S

Loading changelog, this may take a while ...

Changes from 4.21.0-0.nightly-2026-04-08-161819

Created: 2026-04-08 22:22:35 +0000 UTC

Image Digest: sha256:1ef74b906be3a480fd2ff682de4a29c28f9959a0ae4e4d2d267d96926fa4156b

Components

Kubectl 1.34.1
Kubernetes 1.34.6
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260405-0

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

ironic git d23a6091 sha256:76636c18c9e3198653e587aac37aeaec88d7b441f9e50d6c2759f02dc35b66d8
ironic-agent git ff276c00 sha256:c44eb8eeddf93fa4bc981ababa18ed6882b2ee3dd6ce1c3fdffe33e1bd7cac2d
ironic-machine-os-downloader git 707c2262 sha256:01a63a55b2d6dc2b22375ec3aa316d61fbb8b44d7f24a912c15546315fe4c845

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 8)

View changelog in Markdown or change previous release:

Source code for this page located on github