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4.16.55

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.16.55-x86_64
Team Approvals:

Tests:

Upgrades from:

Untested upgrades: 4.15.21, 4.15.22, 4.15.23, 4.15.24, 4.15.25, 4.15.26, 4.15.27, 4.15.28, 4.15.29, 4.15.30, 4.15.31, 4.15.32, 4.15.33, 4.15.34, 4.15.35, 4.15.36, 4.15.37, 4.15.38, 4.15.39, 4.15.40, 4.15.41, 4.15.42, 4.15.43, 4.15.44, 4.15.46, 4.15.48, 4.15.49, 4.15.50, 4.15.51, 4.15.52, 4.15.53, 4.15.54, 4.15.55, 4.15.56, 4.16.10, 4.16.11, 4.16.12, 4.16.13, 4.16.14, 4.16.15, 4.16.16, 4.16.17, 4.16.18, 4.16.19, 4.16.20, 4.16.21, 4.16.23, 4.16.24, 4.16.25, 4.16.26, 4.16.27, 4.16.28, 4.16.29, 4.16.3, 4.16.30, 4.16.32, 4.16.33, 4.16.35, 4.16.36, 4.16.37, 4.16.38, 4.16.39, 4.16.4, 4.16.40, 4.16.42, 4.16.43, 4.16.44, 4.16.45, 4.16.46, 4.16.47, 4.16.49, 4.16.5, 4.16.50, 4.16.51, 4.16.6, 4.16.7, 4.16.8, 4.16.9

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Changes from 4.16.41

Created: 2026-01-08 13:45:15 +0000 UTC

Image Digest: sha256:283a4968c61885c67fd17ea4d6920b665c98d53fa85fc897e067d3c4c131da3b

Components

FeatureGate Changes

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

Rebuilt images without code change

agent-installer-api-server

agent-installer-node-agent

aws-cluster-api-controllers

aws-ebs-csi-driver-operator, azure-disk-csi-driver-operator, azure-file-csi-driver-operator

aws-machine-controllers

azure-machine-controllers

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

baremetal-runtimecfg

cli, cli-artifacts, deployer, tools

cloud-credential-operator

cloud-network-config-controller

cluster-autoscaler

cluster-baremetal-operator

cluster-cloud-controller-manager-operator

cluster-config-api

cluster-etcd-operator

cluster-image-registry-operator

cluster-ingress-operator

cluster-kube-apiserver-operator

cluster-kube-controller-manager-operator

cluster-monitoring-operator

cluster-network-operator

cluster-samples-operator

cluster-storage-operator

cluster-version-operator

console

console-operator

csi-driver-manila, openstack-cinder-csi-driver, openstack-cloud-controller-manager

csi-external-resizer

csi-external-snapshotter, csi-snapshot-controller, csi-snapshot-validation-webhook

csi-node-driver-registrar

docker-builder

docker-registry

haproxy-router

hyperkube, pod

hypershift

ibm-vpc-block-csi-driver

ibm-vpc-block-csi-driver-operator

ibmcloud-cluster-api-controllers

insights-operator

kube-proxy, sdn

kube-storage-version-migrator

libvirt-machine-controllers

machine-api-operator

machine-config-operator

machine-image-customization-controller

monitoring-plugin

multus-admission-controller

network-interface-bond-cni

network-metrics-daemon

nutanix-machine-controllers

oauth-proxy

openshift-apiserver

openshift-controller-manager

openstack-cluster-api-controllers

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

operator-marketplace

ovn-kubernetes, ovn-kubernetes-microshift

powervs-machine-controllers

prometheus

route-controller-manager

tests

vsphere-cluster-api-controllers


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