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-x86_64

Team Approvals:

Tests:

Blocking jobs
- upgrade Succeeded release-openshift-origin-installer-e2e-aws-upgrade
- upgrade-minor Succeeded release-openshift-origin-installer-e2e-aws-upgrade
Informing jobs
- aws-ovn-serial Succeeded (1 retries) periodic-ci-openshift-release-master-nightly-4.16-e2e-aws-ovn-serial
- aws-ovn-upgrade-micro Succeeded periodic-ci-openshift-release-master-ci-4.16-e2e-aws-ovn-upgrade
- aws-sdn-upgrade-4.16-micro Succeeded periodic-ci-openshift-release-master-nightly-4.16-e2e-aws-sdn-upgrade
- azure-ovn-upgrade-4.16-micro Failed (1 retries) periodic-ci-openshift-release-master-ci-4.16-e2e-azure-ovn-upgrade
- fips-scan Succeeded (1 retries) periodic-ci-openshift-release-master-nightly-4.16-fips-payload-scan
- gcp-ovn-rt-upgrade-4.16-minor Succeeded periodic-ci-openshift-release-master-ci-4.16-upgrade-from-stable-4.15-e2e-gcp-ovn-rt-upgrade
- hypershift-ovn-conformance-4.16 Succeeded periodic-ci-openshift-hypershift-release-4.16-periodics-e2e-aws-ovn-conformance
- metal-ipi-ovn-bm Succeeded periodic-ci-openshift-release-master-nightly-4.16-e2e-metal-ipi-ovn-bm
- metal-ipi-ovn-ipv6 Succeeded periodic-ci-openshift-release-master-nightly-4.16-e2e-metal-ipi-ovn-ipv6

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, 4.15.31, 4.15.32, 4.15.33, 4.15.35, 4.15.36, 4.15.37, 4.15.38, 4.15.39, 4.15.40, 4.15.41, 4.15.42, 4.15.44, 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, 4.16.11, 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, 4.16.23, 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, 4.16.5, 4.16.6, 4.16.7, 4.16.8, 4.16.9

4.16.51 - S F F S F S
4.16.50 (changes) - Success
4.16.49 (changes) - Failed
4.16.24 (changes) - Failed
4.16.21 (changes) - Failed
4.16.10 (changes) - Success
4.16.2 (changes) - Success
4.16.1 (changes) - Success
4.16.0 (changes) - Failed
4.15.59 (changes) - Failed Success
4.15.58 (changes) - Failed
4.15.57 (changes) - Failed
4.15.43 (changes) - Failed
4.15.34 (changes) - Success
4.15.30 (changes) - Failed
4.15.20 (changes) - Success
4.15.19 (changes) - Success
4.15.18 (changes) - Failed
4.15.0-0.nightly-2025-11-05-015235 (changes) - Success

Loading changelog, this may take a while ...

Changes from 4.16.51

Created: 2025-11-06 12:10:36 +0000 UTC

Image Digest: sha256:a47cb53955e7d4c656a07315f847ee24c41308b42f50df3b7262934e7d8b4aa2

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 sha256:6eac1565057857408513d9f21566da51c35bdacbbd95fedc65010847c8582da3
agent-installer-node-agent git 720b5023 sha256:6ddee002d6f286565c86597a704da96d27a8532cf241d59ecb0fe804537c78e1
azure-disk-csi-driver git 6b55f6fb sha256:4cde87e0575dca937bc2d5eec0a1ad12ce4a5b973613cdb48fd80ccaa6bbdf30
azure-file-csi-driver git 7a36778a sha256:7d27ac7d73e95a054f41c6ff400075b7b281643a879d6890e5a2dbc86d3bcbc0
baremetal-installer git 8dfa1e05 sha256:95e1ad23fa3db9011e0955629865153a1de29aed79ca004774912600df81ea84
baremetal-runtimecfg git f55a330f sha256:0e60497938af9699f3116eb3c9854ea5d83689f43b1b43e7fd6995ddc24ff0cb
cluster-node-tuning-operator git eacd6ee9 sha256:77c0bd53b4c6315f447022c0925afe1f524daf8d771122c1a49c68004f93b4aa
console git fbca50ee sha256:3c989711c96768b1e58d4e92a08d52403b16b2dcb09b727058bb2f246f0e29c7
container-networking-plugins git 5f9ee066 sha256:69cb10325130df8568713f8011e3733b1982d23613c7c07f5f91f4da417ab179
csi-driver-nfs git 406cec72 sha256:5b064ea6a05e7f93014d9651fffc38dd9bfd6367b7e75c2c77e1732f2d664189
docker-builder git e77895c2 sha256:1e4d0e53a549a33cdec384817b204874d37a2fdb8dab7c3e4139814ff97d6a52
driver-toolkit git 1d5732f0 sha256:c288280b6380bb9db57d2ce5465c343390cdbfcd1a0f5d72abd86dce3b0c76bf
gcp-pd-csi-driver git 5ed71c64 sha256:7dc3c6649a466ca2732d4e327a1d8eeb1a255a8354599501cea9abf4d738485e
installer git 8dfa1e05 sha256:29ba61196885106626c6045abfb465d3451e3cd1a36d486ffb78485c5c1b6596
installer-altinfra git 8dfa1e05 sha256:f6a70fb31bf8280334ed70526862a07ee6d9d9acb43b794b270d4fd6378e55bb
installer-artifacts git 8dfa1e05 sha256:b839ba62c93b82c8de0a39a296b8c7c6f4afa433ca21b14859e3399d5b3f8593
ironic git d08ca1e2 sha256:32c39b240bd03f6136c9e6f32c99c6b936b7b92593c89d7d907d79ba9a179070
ironic-machine-os-downloader git 93b8b5fa sha256:a61bd9c5e355d6527f509d3f67bf1dde0a7cfffb7314193e37e7359d1c93e09f
keepalived-ipfailover git b58673a3 sha256:eac773475cc62829f4252d538bbd522ec49e2dbe08ce37ebb691610d16f25671
libvirt-machine-controllers git 4bd420eb sha256:0e5fcdd83b16e23ac9d1302be5254a78b75ade02190806a5195657997f972bf0
machine-image-customization-controller git 39480963 sha256:aab66a88523699dfacc08415f844bc1288fbc90a1cf6bf1e8f1c183ea6bd70d7
machine-os-images git a99847b4 sha256:367de33f818c25f0e502cdb5beebe450711aa858c2c7a0a33dce0014b3de2de8
monitoring-plugin git b3e669b9 sha256:3bb59c8869ea67613695d54a66a6f4d5172984c3ff13fd9a1f883a111656b4f7
must-gather git 774a4e02 sha256:f7b72c674bfddb206f9497ad0d9068526e78f9bc5076c7c902f75231c834c155
network-tools git 234ed43e sha256:e4fc0ff7e3baa51df419e78b23d93fcd251127c097ffc9163393e44d6a4a276d
powervs-block-csi-driver git 26162bad sha256:65f3bab0199e901f9d368ac8ed43eb028d8eca7a835b52d929dc2bedc7df5a79
rhel-coreos sha256:68961cb12e25fef064a05bccd41fd8343df881f3ab7f816df47c7f35ebd7a511
rhel-coreos-extensions sha256:c1a3b7e2d938d6299455965523516bd978946a6d1fc7a3b73348bf52d7c8e1d4
sdn git 53fea06b sha256:e66db496f4e17ee38be887362ebaf25838470568e2d5c00535f8c2d7f70740aa
tools git 4c7883ff sha256:39018d892b9417e23b69cf4aa74646742ef91bfdd53127fbf1c14a495aba8613
vsphere-csi-driver git 03b7e8eb sha256:86707b8971966fc994e1fae51aee70f1de25e7b9440874f40371e477f8ff2223

aws-machine-controllers

OCPBUGS-63140: client: re-use a single file for building the session instead of randomly named files #144
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

hyperkube, pod

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