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4.18.21

PullSpec:

quay.io/openshift-release-dev/ocp-release:4.18.21-multi
Team Approvals:

Tests:

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, 4.18.1, 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, 4.18.3, 4.18.4, 4.18.5, 4.18.6, 4.18.7, 4.18.8, 4.18.9

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Changes from 4.18.20

Created: 2025-07-24 11:09:11 +0000 UTC

Image Digest: sha256:5f4b7cbeb9369b8f1c7b551b60c2e500263c45ae5d15a1db12addfb492929c36

Release 4.18.21 was created from quay.io/openshift-release-dev/ocp-release-nightly@sha256:0096675aa5023d12ed42383162462680fcf079ae304cce9d2c13db955b18c911

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
OnClusterBuild
(0 tests)
Enabled
(Changed)
Enabled
(Changed)
Enabled Enabled Enabled Enabled

Rebuilt images without code change

agent-installer-csr-approver, agent-installer-orchestrator

aws-cluster-api-controllers

azure-machine-controllers

baremetal-runtimecfg

cluster-autoscaler

cluster-config-api

console

ibm-vpc-block-csi-driver

monitoring-plugin

oauth-proxy

oauth-server

oc-mirror

openshift-apiserver

openshift-controller-manager

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

ovn-kubernetes, ovn-kubernetes-microshift

tests


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