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4.23.0-ec.1

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.23.0-ec.1-s390x

Qualifiers (status api): None

No tests for this release

Upgrades from:

Untested upgrades: 4.22.0, 4.22.0-rc.0, 4.22.0-rc.1, 4.22.0-rc.2, 4.22.0-rc.3, 4.22.0-rc.4, 4.22.0-rc.5, 4.22.1, 4.22.10, 4.22.11, 4.22.12, 4.22.13, 4.22.14, 4.22.15, 4.22.16, 4.22.2, 4.22.3, 4.22.4, 4.22.5, 4.22.6, 4.22.7, 4.22.8, 4.22.9, 4.23.0-ec.0

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Changes from 4.23.0-ec.0

Created: 2026-09-28 10:48:14 +0000 UTC

Image Digest: sha256:f1e174b50aa783f3451eaceea4bde3b1a0e202ee35d4852dcb10e494fe73dfcc

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
OKD
Hypershift
OKD
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
GomaxprocsInjection
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
EtcdBackendQuota
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled
GCPSovereignCloudInstall
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled
OpenShiftPodSecurityAdmission
(0 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled
OSStreams
(0 tests)
Enabled
(Changed)
Enabled Enabled Enabled Enabled
(Changed)
Enabled Enabled Enabled

Rebuilt images without code change

agent-installer-api-server

agent-installer-csr-approver, agent-installer-orchestrator

agent-installer-node-agent

aws-cloud-controller-manager, aws-cluster-api-controllers, aws-ebs-csi-driver, aws-ebs-csi-driver-operator, aws-machine-controllers, aws-pod-identity-webhook, azure-cloud-controller-manager, azure-cloud-node-manager, azure-cluster-api-controllers, azure-disk-csi-driver, azure-disk-csi-driver-operator, azure-file-csi-driver, azure-file-csi-driver-operator, azure-machine-controllers, azure-workload-identity-webhook, csi-driver-manila, csi-driver-manila-operator, csi-driver-nfs, gcp-cloud-controller-manager, gcp-cluster-api-controllers, gcp-machine-controllers, gcp-pd-csi-driver, gcp-pd-csi-driver-operator, hyperkube, ironic, ironic-agent, ironic-machine-os-downloader, ironic-static-ip-manager, kube-proxy, machine-image-customization-controller, nutanix-cloud-controller-manager, nutanix-machine-controllers, pod, powervs-block-csi-driver, powervs-block-csi-driver-operator, powervs-cloud-controller-manager, powervs-machine-controllers, vsphere-cloud-controller-manager, vsphere-cluster-api-controllers, vsphere-csi-driver, vsphere-csi-driver-operator, vsphere-csi-driver-syncer, vsphere-problem-detector

aws-karpenter-provider-aws

aws-node-termination-handler

azure-kms-encryption-provider

baremetal-installer, installer, installer-artifacts

baremetal-runtimecfg

cluster-authentication-operator

cluster-baremetal-operator

cluster-bootstrap

cluster-config-api

cluster-config-operator

cluster-control-plane-machine-set-operator

cluster-etcd-operator

cluster-image-registry-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-controller-manager-operator

cluster-kube-scheduler-operator

cluster-kube-storage-version-migrator-operator

cluster-machine-approver

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-openshift-apiserver-operator

cluster-samples-operator

cluster-storage-operator

cluster-update-console-plugin

cluster-version-operator

console

container-networking-plugins, containernetworking-plugins-microshift

csi-external-snapshot-metadata

csi-livenessprobe

docker-builder

docker-registry

egress-router-cni

hypershift

ibmcloud-cluster-api-controllers

insights-operator

keepalived-ipfailover

kube-storage-version-migrator

kubevirt-csi-driver

machine-api-operator

machine-config-operator

monitoring-plugin

multus-admission-controller

multus-cni, multus-cni-microshift

multus-networkpolicy

multus-route-override-cni

multus-whereabouts-ipam-cni

must-gather

network-interface-bond-cni

network-metrics-daemon

networking-console-plugin

oauth-apiserver

oauth-proxy

oauth-server

openshift-controller-manager

openstack-cinder-csi-driver-operator

operator-framework-tools, operator-lifecycle-manager, operator-registry

ovn-kubernetes, ovn-kubernetes-microshift

prometheus-node-exporter

rhel-coreos, rhel-coreos-10, rhel-coreos-10-extensions, rhel-coreos-extensions

tests

thanos


Node Image Info

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Red Hat Enterprise Linux CoreOS 9.8 (rhel-coreos)

Package List

Full list (541 packages)

Changed:

Extensions

Full list (144 packages)

Red Hat Enterprise Linux CoreOS 10.2 (rhel-coreos-10)

Package List

Full list (520 packages)

Changed:

Extensions

Full list (148 packages)


Red Hat Enterprise Linux CoreOS base layer: 10.2.20260918-0

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