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4.21.0-0.nightly-s390x-2025-10-01-112230

Download the installer for your operating system or run

oc adm release extract --tools registry.ci.openshift.org/ocp-s390x/release-s390x:4.21.0-0.nightly-s390x-2025-10-01-112230
Team Approvals:

Tests:


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Changes from 4.21.0-0.nightly-s390x-2025-09-30-182611

Created: 2025-10-01 11:23:48 +0000 UTC

Image Digest: sha256:16d476ec6b5b53aafb933222965e1aef09c87cf6933a836f2b993fae074b80c6

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
NodeSwap
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)

Removed images

Rebuilt images without code change

agent-installer-utils

baremetal-runtimecfg

cloud-credential-operator

cluster-authentication-operator

cluster-autoscaler

cluster-capi-operator

cluster-config-api

cluster-image-registry-operator

cluster-node-tuning-operator

cluster-storage-operator

cluster-update-keys

console

csi-external-provisioner

csi-external-snapshotter, csi-snapshot-controller

csi-node-driver-registrar

etcd

gcp-workload-identity-federation-webhook

hypershift

machine-config-operator

monitoring-plugin

must-gather

oc-mirror

olm-catalogd, olm-operator-controller

openstack-cinder-csi-driver-operator

prometheus-config-reloader, prometheus-operator, prometheus-operator-admission-webhook

tests


Node Image Info

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Package List

Full list (539 packages)

Changed:

Extensions

Full list (143 packages)


Red Hat Enterprise Linux CoreOS base layer: 9.6.20250930-0

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