4.18.0-rc.6

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.18.0-rc.6-s390x

Team Approvals:

No tests for this release

Upgrades from:

Untested upgrades: 4.17.11, 4.17.12, 4.17.13, 4.17.14, 4.18.0-ec.3, 4.18.0-ec.4, 4.18.0-rc.0, 4.18.0-rc.1, 4.18.0-rc.2, 4.18.0-rc.3, 4.18.0-rc.4, 4.18.0-rc.5

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Changes from 4.18.0-rc.5

Created: 2025-01-23 16:34:46 +0000 UTC

Image Digest: sha256:6b288a6fba8263fff9b293bbf552221a5a5c74cb1e2be2f970147854122ca7af

Components

Kubectl 1.31.1
Kubernetes 1.31.4
Kubernetes Tests 1.31.1
Red Hat Enterprise Linux CoreOS upgraded from 418.94.202501140533-0 to 418.94.202501221327-0 (diff)

Rebuilt images without code change

driver-toolkit git 2e139edc sha256:fb128dcd296d697dd3b7827a86d95497579358bac2fe71402289165e053ef7e7
kube-rbac-proxy git 526498ab sha256:1287528d532437aa6b9f4f7f11adaa5b2ad92549e3ec83ec6550e2276119c0fb
machine-os-images git 6d082d80 sha256:664edc5c415a26bd46ebb523eb6d4706cf243748749f1ff0f1ee61365e36e9da
rhel-coreos sha256:b53f289d3559e7b3f2637f8fa170560c6a9a4228e5c49c80c1914ee81b5d7404
rhel-coreos-extensions sha256:4776ce7980e6d9d43949da80442838160cafe648c640aa903b127f147e06b831

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

OCPBUGS-48581: Run iscsiadm for agent-based iSCSI installations #9379
OCPBUGS-48611: Destroy all private cluster backend service resources #9380
OCPBUGS-48451: wait for at least 3 kube-apiserver instances #9372
OCPBUGS-48576: azure: use separate /var to avoid growfs timeouts #9378
OCPBUGS-29201: Update MCS Cert and Key files within bootstrap Ignition with UserProvisionedDNS #9348
Full changelog

baremetal-machine-controllers

OCPBUGS-46644: Bump x/net to 0.33.0 #224
Full changelog

cluster-autoscaler

OCPBUGS-46416: UPSTREAM: <carry>: 🐛(metrics) Initialize metrics for autoscaler errors, scale events, and pod evictions #333
Full changelog

cluster-capi-operator

OCPBUGS-48429: fix: always update clusteroperator status versions when differing #249
Full changelog

cluster-csi-snapshot-controller-operator

OCPBUGS-48405: Enable volume groupsnapshots APIs v1beta1 version #224
Full changelog

cluster-node-tuning-operator

Add missing Polarion test case id (#1283) #1283
Full changelog

console

OCPBUGS-48122: Limit payload size of GQL query #14666
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csi-external-snapshotter, csi-snapshot-controller, csi-snapshot-validation-webhook

OCPBUGS-48721: Updating ose-csi-external-snapshotter-container image to be consistent with ART for 4.18 #172
OCPBUGS-48403: Bring groupsnapshot beta feature to 4.18 #171
Full changelog

hypershift

OCPBUGS-48748: correct aro azureFile config and permissions #5459
OCPBUGS-48689: Implement Workload Identity in Azure for Data Plane Components #5451
OCPBUGS-48632: Compare contents of user-ca-bundle-config.yaml to the correct configmap #5442
OCPBUGS-48579: Allow ARM64 arch deployment on None platform type #5432
OCPBUGS-48403: Give delete permissions to snapshot-role #5407
OCPBUGS-48169: Adjust the multi-arch check logic to skip the check when the payload … #5358
OCPBUGS-46630: kubevirt, Don’t break on hostname NodePort.Address #5317
OCPBUGS-48410: Fix mirror reference image name when ID is set #5393
Full changelog

machine-config-operator

OCPBUGS-48341: Specify interface type when adding ovs-port #4790
OCPBUGS-48253: use new buffer for decoding clusterOverridePolicyJSON #4781
Full changelog

must-gather

OCPBUGS-48112: Collect all clustercsidriver resources #478
Full changelog

network-tools

OCPBUGS-48199: change containerRuntime from runc to crun #137
Full changelog

networking-console-plugin

OCPBUGS-48680: fix service name #186
CNV-55131: remove the primary name to the udn creation form #182
CNV-54827: fix select label on ClusterUserDefinedNetwork #176
OCPBUGS-48562: fix path-to-regex CVE #175
Full changelog

oc-mirror

fixes CVEs upgrading go-git dependency (#1029) #1029
OCPBUGS-47688: Fix ITMS and IDMS generated when mirror dest contains release namespace (#1026) #1026
changes the owners file (#1018) #1018
ocpbugs-44799: new concurrent worker using channels (#1008) #1008
OCPBUGS-44714: don’t clear cluster-resources dir on delete --generate (#1006) #1006
OCPBUGS-48513: e2e: use same version of crane as in go.mod (#1019) #1019
OCPBUGS-45215: cli: fix log-level values checking (#1005) #1005
Full changelog

olm-operator-controller

UPSTREAM: 1552: Upgrade golang.org/x/net (#1552) #1552
UPSTREAM: 1551: Upgrade github.com/joelanford/ignore from v0.1.0 to v0.1.1 (#1551) #1551
Full changelog

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

OCPBUGS-48644: Fix excessive catalog source snapshots cause severe performance regression #950
OCPBUGS-48660: Fix concurrent namespace resolution #946
OCPBUGS-46930, OCPBUGS-46937, OCPBUGS-47317: bump x/net to 0.34.0 #935
Full changelog

ovn-kubernetes, ovn-kubernetes-microshift

OCPBUGS-48710: DownStream Merge Sync from 4.19 [01-08-2025] #2413
Full changelog

prometheus

OCPBUGS-48313: fix(main.go): avoid closing the query engine until it is guaranteed to no longer be in use #242
Full changelog

tests

OCPBUGS-48438: images: Fix layers test to work with manifestlisted imagestreams #29442
OCPBUGS-48389: virt: add GA placeholder test #29438
OCPBUGS-48389: virt, udn: primary UDN requires the net seg FG #29412
OCPBUGS-48407: Remove CSI snapshot webhook tests #29425
OCPBUGS-48409: Do not check for snapshot webhook deployment conditions. #29426
Full changelog

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