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4.18.31

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.18.31-s390x
Team Approvals:

No tests for this release

Upgrades from:

Untested upgrades: 4.17.11, 4.17.12, 4.17.13, 4.17.14, 4.17.15, 4.17.16, 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, 4.17.43, 4.17.44, 4.17.45, 4.17.46, 4.18.1, 4.18.10, 4.18.11, 4.18.12, 4.18.13, 4.18.14, 4.18.15, 4.18.16, 4.18.17, 4.18.18, 4.18.19, 4.18.2, 4.18.20, 4.18.21, 4.18.22, 4.18.23, 4.18.24, 4.18.25, 4.18.26, 4.18.27, 4.18.28, 4.18.29, 4.18.3, 4.18.30, 4.18.4, 4.18.5, 4.18.6, 4.18.7, 4.18.8, 4.18.9

Changes from 4.18.30

Created: 2026-01-08 14:57:08 +0000 UTC

Image Digest: sha256:5b964fa43873a20a66b95769bbcd6c31b028f505281fb045bb3c2ed6ca114e91

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

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

cluster-baremetal-operator

cluster-config-api

cluster-ingress-operator

cluster-monitoring-operator

cluster-version-operator

console

haproxy-router

hypershift

ibmcloud-cluster-api-controllers

insights-operator

machine-config-operator

networking-console-plugin

oc-mirror

ovn-kubernetes, ovn-kubernetes-microshift

tests


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