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

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-04-21-165544

Team Approvals:

Tests:

Blocking jobs
- aws-ovn-upgrade-4.21-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-aws-ovn-upgrade
- azure-ovn-upgrade-4.21-minor Succeeded periodic-ci-openshift-release-main-ci-4.21-upgrade-from-stable-4.20-e2e-azure-ovn-upgrade
- 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
- hypershift-e2e-aws Succeeded periodic-ci-openshift-hypershift-release-4.21-periodics-e2e-aws-ovn

Upgrades from:

Upgrades to:

4.22.0-0.ci-2026-04-28-064654 (changes) - Pending Pending
4.22.0-0.ci-2026-04-28-004654 (changes) - Success Success
4.22.0-0.ci-2026-04-27-182737 (changes) - F S F S
4.22.0-0.ci-2026-04-27-122737 (changes) - Success Success
4.22.0-0.ci-2026-04-27-062737 (changes) - Success Success
4.22.0-0.ci-2026-04-26-170454 (changes) - Success Success
4.22.0-0.ci-2026-04-26-110454 (changes) - Success Success
4.22.0-0.ci-2026-04-26-050454 (changes) - Success Success
4.22.0-0.ci-2026-04-25-230454 (changes) - Success Success
4.22.0-0.ci-2026-04-25-170454 (changes) - Success Success
4.22.0-0.ci-2026-04-25-110454 (changes) - Success Success
4.22.0-0.ci-2026-04-25-050454 (changes) - Success Success
4.22.0-0.ci-2026-04-24-230454 (changes) - S F F F
4.22.0-0.ci-2026-04-24-170454 (changes) - S F F
4.22.0-0.ci-2026-04-24-110454 (changes) - S F F F
4.22.0-0.ci-2026-04-24-050454 (changes) - Success Success
4.22.0-0.ci-2026-04-23-230454 (changes) - Success Success
4.22.0-0.ci-2026-04-23-170454 (changes) - Success Success
4.22.0-0.ci-2026-04-23-110454 (changes) - Success Success
4.22.0-0.ci-2026-04-23-050454 (changes) - S F S
4.22.0-0.ci-2026-04-22-230454 (changes) - Success Success
4.22.0-0.ci-2026-04-22-170454 (changes) - Success Success
4.22.0-0.ci-2026-04-22-110454 (changes) - Success Success
4.22.0-0.ci-2026-04-22-050451 (changes) - Success Success
4.22.0-0.ci-2026-04-21-230419 (changes) - Success Success
4.21.0-0.ci-2026-04-28-061010 (changes) - S S P
4.21.0-0.ci-2026-04-27-194553 (changes) - S S F F
4.21.0-0.ci-2026-04-27-083626 (changes) - S S F F
4.21.0-0.ci-2026-04-26-101206 (changes) - S S F F
4.21.0-0.ci-2026-04-26-010335 (changes) - S S F F
4.21.0-0.ci-2026-04-25-152914 (changes) - S S F F
4.21.0-0.ci-2026-04-25-063315 (changes) - S S F F
4.21.0-0.ci-2026-04-24-170052 (changes) - F F F F F F
4.21.0-0.ci-2026-04-24-081540 (changes) - F F F F F F
4.21.0-0.ci-2026-04-23-225103 (changes) - F F F F F F
4.21.0-0.ci-2026-04-23-141018 (changes) - F F F F F F
4.21.0-0.ci-2026-04-23-044816 (changes) - F F F F F F
4.21.0-0.ci-2026-04-22-195322 (changes) - F F F F F S
4.21.0-0.ci-2026-04-22-135322 (changes) - S S F F
4.21.0-0.ci-2026-04-22-050254 (changes) - F F S S
4.21.0-0.ci-2026-04-21-225544 (changes) - S S F F

Loading changelog, this may take a while ...

Changes from 4.21.0-0.ci-2026-04-21-105544

Created: 2026-04-21 16:58:12 +0000 UTC

Image Digest: sha256:bb234e03e51c07b86e6588d0f7de4d871de0cdc55e984eb4615ee87ff4ebfba3

Components

Kubectl 1.34.1
Kubernetes 1.34.6
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260408-0

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

rhel-coreos git 10f1a2e7 sha256:3b43b3fb17a96609d58579abfbc13b4f4a7cfd387838fae87d5fb98bacbf7bac
rhel-coreos-10 git 10f1a2e7 sha256:6139e359735db0c0de3b01973beff6f9dd8cb3447c80dda75fc2f7cb2226eb26
rhel-coreos-10-extensions git 10f1a2e7 sha256:f76330205884747443fde3b1ce032582086d417be72c6f603ac38961720aa31f
rhel-coreos-extensions git 10f1a2e7 sha256:3390f4499260bb204fdace4b073ca6ca4d079643816c667841f79b2f3153e142

azure-service-operator

OCPBUGS-83864: UPSTREAM: <carry>: add openshift/e2e-tests.sh #24
Full changelog

machine-config-operator

OCPBUGS-83708: Update AMI Whitelist #5857
Full changelog

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