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4.21.0-ec.0

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oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.21.0-ec.0-ppc64le
Team Approvals:

No tests for this release

Upgrades from:

Untested upgrades: 4.20.0-rc.1, 4.20.0-rc.2, 4.20.0-rc.3

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Changes from 4.21.0-0.nightly-ppc64le-2025-12-22-124236

Created: 2025-09-17 00:38:30 +0000 UTC

Image Digest: sha256:67248a65315cf6cfde2d1c0b72a46dd2f8282c612a24ebf6f4fa3447e86f8bf1

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
CBORServingAndStorage
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
CRDCompatibilityRequirementOperator
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ClientsAllowCBOR
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ClientsPreferCBOR
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ClusterAPIMachineManagement
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ClusterAPIMachineManagementVSphere
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
EventTTL
(0 tests)
Unconditionally Enabled
(Changed)
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(Changed)
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(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
HyperShiftOnlyDynamicResourceAllocation
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ManagedBootImagesCPMS
(0 tests)
Unconditionally Enabled
(Changed)
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(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
MutableCSINodeAllocatableCount
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
NewOLMBoxCutterRuntime
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
NoRegistryClusterInstall
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
OSStreams
(0 tests)
Unconditionally Enabled
(Changed)
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(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
OnPremDNSRecords
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ProvisioningRequestAvailable
(0 tests)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
Unconditionally Enabled
(Changed)
ExternalOIDCWithUIDAndExtraClaimMappings
(5 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
GCPClusterHostedDNSInstall
(0 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
ImageStreamImportMode
(4 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
ManagedBootImagesAzure
(0 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
ManagedBootImagesvSphere
(6 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
PreconfiguredUDNAddresses
(6 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
SigstoreImageVerificationPKI
(0 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
VolumeAttributesClass
(50 tests)
Disabled
(Changed)
Disabled
(Changed)
Enabled Enabled Enabled Enabled
ExternalOIDC
(9 tests)
Enabled Disabled
(Changed)
Enabled Enabled Enabled Enabled
NewOLMWebhookProviderOpenshiftServiceCA
(0 tests)
Disabled Disabled
(Changed)
Disabled Enabled Disabled Enabled
IngressControllerLBSubnetsAWS
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
SetEIPForNLBIngressController
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
BootImageSkewEnforcement
(0 tests)
Disabled Disabled Enabled Enabled Disabled
(Changed)
Disabled
(Changed)
IngressControllerDynamicConfigurationManager
(0 tests)
Disabled Disabled Enabled Enabled Enabled
(Changed)
Enabled
(Changed)
VSphereMixedNodeEnv
(0 tests)
Disabled Disabled Enabled Enabled Disabled
(Changed)
Disabled
(Changed)
DynamicResourceAllocation
(47 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
InsightsConfigAPI
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)
NoRegistryClusterOperations
(0 tests)
Enabled
(New)
Enabled
(New)
NodeSwap
(0 tests)
Enabled
(New)
Enabled
(New)
Enabled
(New)
Enabled
(New)

New images

Removed images

Rebuilt images without code change

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Node Image Info

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Package List

Full list (554 packages)

Changed:

Added:

Extensions

Full list (133 packages)


Red Hat Enterprise Linux CoreOS base layer: 9.6.20250904-0

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