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4.18.39

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.18.39-x86_64
Team Approvals:

Tests:

Upgrades from:

Untested upgrades: 4.17.14, 4.17.17, 4.17.18, 4.17.19, 4.17.20, 4.17.21, 4.17.22, 4.17.23, 4.17.24, 4.17.25, 4.17.26, 4.17.27, 4.17.28, 4.17.29, 4.17.30, 4.17.31, 4.17.32, 4.17.33, 4.17.34, 4.17.35, 4.17.36, 4.17.37, 4.17.38, 4.17.39, 4.17.40, 4.17.41, 4.17.42, 4.17.44, 4.17.45, 4.17.46, 4.17.47, 4.17.48, 4.17.49, 4.18.10, 4.18.11, 4.18.12, 4.18.14, 4.18.15, 4.18.16, 4.18.17, 4.18.18, 4.18.19, 4.18.20, 4.18.21, 4.18.22, 4.18.23, 4.18.24, 4.18.25, 4.18.26, 4.18.28, 4.18.29, 4.18.31, 4.18.32, 4.18.33, 4.18.34, 4.18.35, 4.18.4, 4.18.5, 4.18.6, 4.18.7, 4.18.8, 4.18.9

Upgrades to:


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Changes from 4.18.30

Created: 2026-04-30 09:54:05 +0000 UTC

Image Digest: sha256:7f01fc38ab2019240de14a093b1a603ed5817b5fffb4a8029325395b1d071175

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
StreamingCollectionEncodingToJSON
(0 tests)
Enabled Enabled
(Changed)
Enabled Enabled Enabled Enabled
StreamingCollectionEncodingToProtobuf
(0 tests)
Enabled Enabled
(Changed)
Enabled Enabled Enabled Enabled

Rebuilt images without code change

agent-installer-api-server

agent-installer-node-agent

agent-installer-utils

aws-cluster-api-controllers

aws-ebs-csi-driver-operator, azure-disk-csi-driver-operator, azure-file-csi-driver-operator, csi-driver-manila-operator, openstack-cinder-csi-driver-operator

aws-machine-controllers

azure-cluster-api-controllers

baremetal-installer, installer, installer-altinfra, installer-artifacts

baremetal-operator

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cloud-network-config-controller

cluster-autoscaler

cluster-baremetal-operator

cluster-config-api

cluster-config-operator

cluster-etcd-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-controller-manager-operator

cluster-kube-scheduler-operator

cluster-monitoring-operator

cluster-network-operator

cluster-node-tuning-operator

cluster-storage-operator

cluster-version-operator

console

console-operator

docker-builder

docker-registry

gcp-cluster-api-controllers

gcp-pd-csi-driver

haproxy-router

hyperkube, kube-proxy, pod

hypershift

ibm-vpc-block-csi-driver

ibmcloud-cluster-api-controllers

ibmcloud-machine-controllers

insights-operator

insights-runtime-exporter, insights-runtime-extractor

ironic

ironic-agent

kube-state-metrics

kube-storage-version-migrator

kubevirt-csi-driver

libvirt-machine-controllers

machine-api-operator

machine-config-operator

machine-image-customization-controller

metallb-frr

monitoring-plugin

multus-cni, multus-cni-microshift

networking-console-plugin

oauth-apiserver

oc-mirror

openshift-apiserver

openstack-cluster-api-controllers

openstack-machine-api-provider

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

operator-marketplace

ovirt-csi-driver-operator

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

powervs-block-csi-driver-operator

prometheus-alertmanager

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

tests

vsphere-cloud-controller-manager

vsphere-cluster-api-controllers

vsphere-csi-driver, vsphere-csi-driver-syncer

vsphere-problem-detector


Node Image Info

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