Download installer and client with:
oc adm release extract --tools quay.io/okd/scos-release:4.21.0-okd-scos.ec.0
Qualifiers (status api): None
Tests:
Upgrades from:
Created: 2025-09-23 14:13:37 +0000 UTC
Image Digest: sha256:d3aadc3fb1bdd21a36b846d47f8082990c8306a32e27eae02099537a4ecf80c2
Release 4.21.0-okd-scos.ec.0 was created from registry.ci.openshift.org/origin/release-scos:4.21.0-0.okd-scos-2025-09-22-083455
The CoreOS links above are for the base CoreOS layer used to build the OpenShift node image and do not contain OpenShift components. This is normally only useful to devs working closely with the CoreOS team. For info about the node image, see the Node Image Info section.
| FeatureGate | Default Hypershift |
Default SelfManagedHA |
DevPreviewNoUpgrade Hypershift |
DevPreviewNoUpgrade SelfManagedHA |
TechPreviewNoUpgrade Hypershift |
TechPreviewNoUpgrade SelfManagedHA |
|---|---|---|---|---|---|---|
| CRDCompatibilityRequirementOperator (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) |
| EventTTL (0 tests) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (Changed) |
Unconditionally Enabled (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) |
Unconditionally Enabled (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) |
Unconditionally Enabled (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 |
| 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 |
| OpenShiftPodSecurityAdmission (0 tests) |
Enabled (Changed) |
Enabled (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 |
| ClientsAllowCBOR (0 tests) |
Disabled | Disabled | Enabled (Changed) |
Enabled (Changed) |
Enabled (Changed) |
Enabled (Changed) |
| 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) |
||
| NoRegistryClusterOperations (0 tests) |
Enabled (New) |
Enabled (New) |
||||
| NodeSwap (0 tests) |
Enabled (New) |
Enabled (New) |
Enabled (New) |
Enabled (New) |
sha256:93620856f6ff98e0ef65c40b44b2ac5db4d9b285459a43b453e03ee2926a2fc6sha256:0c062eb4ebce9a79776b8379f01e4f551eb6d4ab143615e838efb20ff39080f7sha256:4d2a59e09d97cbfefe280bbe2d24efb2de2a089ca91152b262d11e810bedca7csha256:dcdbe6c33df35dacf1361b9766a23242ce4c8d49fa167e43e34867613be53e02sha256:5e1badb51b7905f9163ed557e861161523df7ba621c7e9fa140031cb7023c6e7sha256:780469433c45a4c14d38a47c256434e8560d622e513b886533dd5edd640f8f3bsha256:1be01c67dc22fb96ed98a4332ca8885d3768988e92181359303fb2e791d3000eLoading node image info, this may take a while ...
stream-coreos)Full list (575 packages)
Full list (48 packages)
CentOS Stream CoreOS base layer: 10.0.20250827-0
Source code for this page located on github