4.16.52

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.16.52-s390x

Team Approvals:

No tests for this release

Upgrades from:

Untested upgrades: 4.15.18, 4.15.19, 4.15.20, 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, 4.15.45, 4.15.46, 4.15.47, 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, 4.15.57, 4.15.58, 4.15.59, 4.16.0, 4.16.1, 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, 4.16.2, 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, 4.16.34, 4.16.35, 4.16.36, 4.16.37, 4.16.38, 4.16.39, 4.16.4, 4.16.40, 4.16.41, 4.16.42, 4.16.43, 4.16.44, 4.16.45, 4.16.46, 4.16.47, 4.16.48, 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 4.16.51

Created: 2025-11-06 12:11:21 +0000 UTC

Image Digest: sha256:f19b9dbbb633c0d0fdb2abc98962a9e96eaed147df2d64fd66de8f640be1f45f

Components

Kubectl 1.29.7
Kubernetes 1.29.14
Kubernetes Tests 1.29.0
Red Hat Enterprise Linux CoreOS upgraded from 416.94.202510221349-0 to 416.94.202511041744-0 (diff)

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)
StreamingCollectionEncodingToProtobuf (0 tests)			Enabled (New)	Enabled (New)	Enabled (New)	Enabled (New)

Rebuilt images without code change

agent-installer-api-server git 5c16119a sha256:1bb2bd5e7e2ccde4f1826e4d53ca30260ce66233dedd295430da09949040afd1
agent-installer-node-agent git 720b5023 sha256:29d245e40614430c30d8fcf2892f0856b99ccc4149d5a508c9269560f9b5d69f
baremetal-installer git 8dfa1e05 sha256:eb1063d0bf52575842b5af8a22b6c9097249060707bd41d0eac8341e0e05e557
baremetal-runtimecfg git f55a330f sha256:d1ba441e47002afe1122eba527939f0ed709f9ade361262770a5c5e00e73a53a
cluster-node-tuning-operator git eacd6ee9 sha256:7434edd9079faa4aae8d345b13311123c54e55f780240e2bb00ba63de8e5f570
console git fbca50ee sha256:e6e444aba7e02c3caba21b7d2a613606b474ca023e21be8e52bc866411582e70
container-networking-plugins git 5f9ee066 sha256:4057bc98b51da606c1951f265519b865508492bb59e52ca96db666e64d9f3ee6
docker-builder git e77895c2 sha256:758854e4d33f14826b64b07b44d5a0182471ca9a4a011be1fc3c740e4a4e870e
driver-toolkit git 1d5732f0 sha256:5540e1db358b44f79100f7719892334fafc86057fd36a72b5b6cebc90ee87d9d
installer git 8dfa1e05 sha256:abb146360709059b36c1e1ca9c2bf97a5bdf7c36d5e1a67ee7871d43830cf332
installer-altinfra git 8dfa1e05 sha256:9df48be28217545152b881a0ed329d31736cdb3b266331322fbd42754eca5235
installer-artifacts git 8dfa1e05 sha256:6ae105669229e88560db57d5cda57db89d800f1ab521edc859da10f72830dc93
keepalived-ipfailover git b58673a3 sha256:4974ba1b5102856fed9da37f5739c478000af9b52c2ad31b86880322ddd06eb7
libvirt-machine-controllers git 4bd420eb sha256:09a2d565ac42ce40f7f9da6cf5d26db6660830f0b319e1f44586e22101790747
machine-os-images git a99847b4 sha256:fdbfa968ec9e889b166bad0e29fb0cefe68d0a37355f154470ccd7a5765b950c
monitoring-plugin git b3e669b9 sha256:a17783c5a9fd15a85bb05a92fbd0e47c65e6eef1d2d2b888e14ff29fd1643583
must-gather git 774a4e02 sha256:42f71ccb5a72934e8f21ee3adf4be9fdcd3477ad2e23cf9a83d8704f4d4ae20f
network-tools git 234ed43e sha256:f36ff5effdecae5d141e1d8450a9fa67c14826bad3e279d4965e0448e586c2bb
rhel-coreos sha256:8d2199438a7bb339058085ed46a66197643393d8718be28e846ca0a1611153ab
rhel-coreos-extensions sha256:6fd08a7d89589b54f0b2a5443886e8745859528382168bfff52b24c002377d97
sdn git 53fea06b sha256:db8883492cb0d15d1c5569b6230e8803b45d917163f52f1bf276e0323b542626
tools git 4c7883ff sha256:6d62ba810a22f631a730fe4ac4f8b4926ee3b9a7c59463eeb79f07e2a442c32d

alibaba-cloud-controller-manager, alibaba-machine-controllers, 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, 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

CNTRLPLANE-1612: Backport StreamingCollectionEncoding for JSON and protobuf #2485
Full changelog

cluster-baremetal-operator

OCPBUGS-63417: Fix ironic inspector container privileges #513
Full changelog

cluster-cloud-controller-manager-operator

OCPBUGS-63168: ccm: disable unused secure-serving port and webhook #422
Full changelog

cluster-config-api

CNTRLPLANE-1611: Add feature gates for StreamingCollectionEncoding #2542
Full changelog

cluster-monitoring-operator

OCPBUGS-62765: port metric acm_managed_cluster_worker_cores:max to OCP 4.16 #2719
OCPBUGS-63235: test: remove image registry e2e tests #2727
Full changelog

machine-config-operator

OCPBUGS-60773: scope MCD node listers to current node #5260
OCPBUGS-63553: Add control-plane label for master nodes on legacy clusters #5376
OCPBUGS-57423: pkg/operator/status: Drop PoolUpdating as an Upgradeable=False condition #5119
Full changelog

openshift-apiserver

OCPBUGS-63394: Wire dry run option to Image API server operations #566
Full changelog

ovn-kubernetes, ovn-kubernetes-microshift

OCPBUGS-63230: Fix dnsnameresolver address set #2812
Full changelog

tests

OCPBUGS-63395: Backport pr 29834 to release-4.18 #30409
Full changelog

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