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Update feature gates for 1.22
This PR updates the feature gate status based on upstream implementation. The chanegs are listed below with links to upstream PRs merged: - BalanceAttacedNodeVolumes kubernetes/kubernetes#102443 - CSIMigrationvSphereComplete kubernetes/kubernetes#101272 - CSIServiceAccountToken kubernetes/kubernetes#103001 - DaemonSetUpdateSurge kubernetes/kubernetes#101742 - DisableCloudProviders kubernetes/kubernetes#100136 - IndexedJob kubernetes/kubernetes#101292 - LegacyNodeRoleBehavior kubernetes/kubernetes#100776 - NamespaceDefaultLabelName kubernetes/kubernetes#101342 - NetworkPolicyEndPort kubernetes/kubernetes#102834 - NodeDisruptionExclusion kubernetes/kubernetes#100776 - PodAffinityNamespaceSelector kubernetes/kubernetes#101496 - PodDeletionCost kubernetes/kubernetes#101080 - PreferNominatedNode kubernetes/kubernetes#102201 - ServiceLoadBalancerClass kubernetes/kubernetes#103129 - ServiceNodeExclusion kubernetes/kubernetes#100776 - ServiceTopology kubernetes/kubernetes#102412 - SizeMemoryBackedVoluems kubernetes/kubernetes#101048 - StatefulSetMinReadySeconds kubernetes/kubernetes#100842 - SuspendJob kubernetes/kubernetes#102022 - WindowsHostProcessContainers kubernetes/kubernetes#99576
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‎content/en/docs/reference/command-line-tools-reference/feature-gates.md

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@@ -58,7 +58,6 @@ different Kubernetes components.
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| `AllowInsecureBackendProxy` | `true` | Beta | 1.17 | |
5959
| `AnyVolumeDataSource` | `false` | Alpha | 1.18 | |
6060
| `AppArmor` | `true` | Beta | 1.4 | |
61-
| `BalanceAttachedNodeVolumes` | `false` | Alpha | 1.11 | |
6261
| `CPUManager` | `false` | Alpha | 1.8 | 1.9 |
6362
| `CPUManager` | `true` | Beta | 1.10 | |
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| `CSIInlineVolume` | `false` | Alpha | 1.15 | 1.15 |
@@ -81,9 +80,6 @@ different Kubernetes components.
8180
| `CSIMigrationOpenStack` | `true` | Beta | 1.18 | |
8281
| `CSIMigrationOpenStackComplete` | `false` | Alpha | 1.17 | |
8382
| `CSIMigrationvSphere` | `false` | Beta | 1.19 | |
84-
| `CSIMigrationvSphereComplete` | `false` | Beta | 1.19 | |
85-
| `CSIServiceAccountToken` | `false` | Alpha | 1.20 | 1.20 |
86-
| `CSIServiceAccountToken` | `true` | Beta | 1.21 | |
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| `CSIStorageCapacity` | `false` | Alpha | 1.19 | 1.20 |
8884
| `CSIStorageCapacity` | `true` | Beta | 1.21 | |
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| `CSIVolumeFSGroupPolicy` | `false` | Alpha | 1.19 | 1.19 |
@@ -92,12 +88,15 @@ different Kubernetes components.
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| `ConfigurableFSGroupPolicy` | `false` | Alpha | 1.18 | 1.19 |
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| `ConfigurableFSGroupPolicy` | `true` | Beta | 1.20 | |
9490
| `CustomCPUCFSQuotaPeriod` | `false` | Alpha | 1.12 | |
91+
| `DaemonSetUpdateSurge` | `false` | Alpha | 1.21 | 1.21 |
92+
| `DaemonSetUpdateSurge` | `true` | Beta | 1.22 | |
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| `DefaultPodTopologySpread` | `false` | Alpha | 1.19 | 1.19 |
9694
| `DefaultPodTopologySpread` | `true` | Beta | 1.20 | |
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| `DevicePlugins` | `false` | Alpha | 1.8 | 1.9 |
9896
| `DevicePlugins` | `true` | Beta | 1.10 | |
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| `DisableAcceleratorUsageMetrics` | `false` | Alpha | 1.19 | 1.19 |
10098
| `DisableAcceleratorUsageMetrics` | `true` | Beta | 1.20 | |
99+
| `DisableCloudProviders` | `false` | Alpha | 1.22 | |
101100
| `DownwardAPIHugePages` | `false` | Alpha | 1.20 | 1.20 |
102101
| `DownwardAPIHugePages` | `false` | Beta | 1.21 | |
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| `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 |
@@ -123,29 +122,30 @@ different Kubernetes components.
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| `HPAScaleToZero` | `false` | Alpha | 1.16 | |
124123
| `HugePageStorageMediumSize` | `false` | Alpha | 1.18 | 1.18 |
125124
| `HugePageStorageMediumSize` | `true` | Beta | 1.19 | |
126-
| `IndexedJob` | `false` | Alpha | 1.21 | |
125+
| `IndexedJob` | `false` | Alpha | 1.21 | 1.21 |
126+
| `IndexedJob` | `true` | Beta | 1.22 | |
127127
| `IngressClassNamespacedParams` | `false` | Alpha | 1.21 | |
128128
| `IPv6DualStack` | `false` | Alpha | 1.15 | 1.20 |
129129
| `IPv6DualStack` | `true` | Beta | 1.21 | |
130130
| `KubeletCredentialProviders` | `false` | Alpha | 1.20 | |
131-
| `LegacyNodeRoleBehavior` | `false` | Alpha | 1.16 | 1.18 |
132-
| `LegacyNodeRoleBehavior` | `true` | Beta | 1.19 | 1.20 |
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| `LocalStorageCapacityIsolation` | `false` | Alpha | 1.7 | 1.9 |
134132
| `LocalStorageCapacityIsolation` | `true` | Beta | 1.10 | |
135133
| `LocalStorageCapacityIsolationFSQuotaMonitoring` | `false` | Alpha | 1.15 | |
136134
| `LogarithmicScaleDown` | `false` | Alpha | 1.21 | |
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| `KubeletPodResourcesGetAllocatable` | `false` | Alpha | 1.21 | |
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| `MixedProtocolLBService` | `false` | Alpha | 1.20 | |
139-
| `NamespaceDefaultLabelName` | `true` | Beta | 1.21 | |
140-
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | |
141-
| `NodeDisruptionExclusion` | `false` | Alpha | 1.16 | 1.18 |
142-
| `NodeDisruptionExclusion` | `true` | Beta | 1.19 | 1.20 |
137+
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | 1.21 |
138+
| `NetworkPolicyEndPort` | `true` | Beta | 1.22 | |
143139
| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
144140
| `NonPreemptingPriority` | `true` | Beta | 1.19 | |
145-
| `PodDeletionCost` | `false` | Alpha | 1.21 | |
146-
| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | |
141+
| `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 |
142+
| `PodDeletionCost` | `true` | Beta | 1.22 | |
143+
| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
144+
| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | |
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| `PodOverhead` | `false` | Alpha | 1.16 | 1.17 |
148146
| `PodOverhead` | `true` | Beta | 1.18 | |
147+
| `PreferNominatedNode` | `false` | Alpha | 1.21 | 1.21 |
148+
| `PreferNominatedNode` | `true` | Beta | 1.22 | |
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| `ProbeTerminationGracePeriod` | `false` | Alpha | 1.21 | |
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| `ProcMountType` | `false` | Alpha | 1.12 | |
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| `QOSReserved` | `false` | Alpha | 1.11 | |
@@ -154,18 +154,19 @@ different Kubernetes components.
154154
| `RemoveSelfLink` | `true` | Beta | 1.20 | |
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| `RotateKubeletServerCertificate` | `false` | Alpha | 1.7 | 1.11 |
156156
| `RotateKubeletServerCertificate` | `true` | Beta | 1.12 | |
157-
| `RunAsGroup` | `true` | Beta | 1.14 | |
157+
| `SeccompDefault` | `false` | Alpha | 1.22 | |
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| `ServiceInternalTrafficPolicy` | `false` | Alpha | 1.21 | |
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| `ServiceLBNodePortControl` | `false` | Alpha | 1.20 | |
160-
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | |
161-
| `ServiceNodeExclusion` | `false` | Alpha | 1.8 | 1.18 |
162-
| `ServiceNodeExclusion` | `true` | Beta | 1.19 | 1.20 |
163-
| `ServiceTopology` | `false` | Alpha | 1.17 | |
164-
| `SizeMemoryBackedVolumes` | `false` | Alpha | 1.20 | |
160+
| `ServiceLoadBalancerClass` | `false` | Alpha | 1.21 | 1.21 |
161+
| `ServiceLoadBalancerClass` | `true` | Beta | 1.22 | |
162+
| `SizeMemoryBackedVolumes` | `false` | Alpha | 1.20 | 1.21 |
163+
| `SizeMemoryBackedVolumes` | `true` | Beta | 1.22 | |
164+
| `StatefulSetMinReadySeconds` | `false` | Alpha | 1.22 | |
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| `StorageVersionAPI` | `false` | Alpha | 1.20 | |
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| `StorageVersionHash` | `false` | Alpha | 1.14 | 1.14 |
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| `StorageVersionHash` | `true` | Beta | 1.15 | |
168-
| `SuspendJob` | `false` | Alpha | 1.21 | |
168+
| `SuspendJob` | `false` | Alpha | 1.21 | 1.21 |
169+
| `SuspendJob` | `true` | Beta | 1.22 | |
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| `TTLAfterFinished` | `false` | Alpha | 1.12 | 1.20 |
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| `TTLAfterFinished` | `true` | Beta | 1.21 | |
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| `TopologyAwareHints` | `false` | Alpha | 1.21 | |
@@ -177,6 +178,7 @@ different Kubernetes components.
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| `WinOverlay` | `true` | Beta | 1.20 | |
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| `WindowsEndpointSliceProxying` | `false` | Alpha | 1.19 | 1.20 |
179180
| `WindowsEndpointSliceProxying` | `true` | Beta | 1.21 | |
181+
| `WindowsHostProcessContainers` | `false` | Alpha | 1.22 | |
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{{< /table >}}
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### Feature gates for graduated or deprecated features
@@ -197,11 +199,13 @@ different Kubernetes components.
197199
| `AttachVolumeLimit` | `false` | Alpha | 1.11 | 1.11 |
198200
| `AttachVolumeLimit` | `true` | Beta | 1.12 | 1.16 |
199201
| `AttachVolumeLimit` | `true` | GA | 1.17 | - |
202+
| `BalanceAttachedNodeVolumes` | `false` | Alpha | 1.11 | 1.21 |
203+
| `BalanceAttachedNodeVolumes` | `false` | Deprecated | 1.22 | |
200204
| `BlockVolume` | `false` | Alpha | 1.9 | 1.12 |
201205
| `BlockVolume` | `true` | Beta | 1.13 | 1.17 |
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| `BlockVolume` | `true` | GA | 1.18 | - |
203207
| `BoundServiceAccountTokenVolume` | `false` | Alpha | 1.13 | 1.20 |
204-
| `BoundServiceAccountTokenVolume` | `true` | Beta | 1.21 | 1.22 |
208+
| `BoundServiceAccountTokenVolume` | `true` | Beta | 1.21 | 1.21 |
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| `BoundServiceAccountTokenVolume` | `true` | GA | 1.22 | - |
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| `CRIContainerLogRotation` | `false` | Alpha | 1.10 | 1.10 |
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| `CRIContainerLogRotation` | `true` | Beta | 1.11 | 1.20 |
@@ -212,12 +216,17 @@ different Kubernetes components.
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| `CSIDriverRegistry` | `false` | Alpha | 1.12 | 1.13 |
213217
| `CSIDriverRegistry` | `true` | Beta | 1.14 | 1.17 |
214218
| `CSIDriverRegistry` | `true` | GA | 1.18 | |
219+
| `CSIMigrationvSphereComplete` | `false` | Beta | 1.19 | 1.21 |
220+
| `CSIMigrationvSphereComplete` | `false` | Deprecated | 1.22 | - |
215221
| `CSINodeInfo` | `false` | Alpha | 1.12 | 1.13 |
216222
| `CSINodeInfo` | `true` | Beta | 1.14 | 1.16 |
217223
| `CSINodeInfo` | `true` | GA | 1.17 | |
218224
| `CSIPersistentVolume` | `false` | Alpha | 1.9 | 1.9 |
219225
| `CSIPersistentVolume` | `true` | Beta | 1.10 | 1.12 |
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| `CSIPersistentVolume` | `true` | GA | 1.13 | - |
227+
| `CSIServiceAccountToken` | `false` | Alpha | 1.20 | 1.20 |
228+
| `CSIServiceAccountToken` | `true` | Beta | 1.21 | 1.21 |
229+
| `CSIServiceAccountToken` | `true` | GA | 1.22 | |
221230
| `CronJobControllerV2` | `false` | Alpha | 1.20 | 1.20 |
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| `CronJobControllerV2` | `true` | Beta | 1.21 | 1.21 |
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| `CronJobControllerV2` | `true` | GA | 1.22 | - |
@@ -284,16 +293,22 @@ different Kubernetes components.
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| `KubeletPodResources` | `false` | Alpha | 1.13 | 1.14 |
285294
| `KubeletPodResources` | `true` | Beta | 1.15 | |
286295
| `KubeletPodResources` | `true` | GA | 1.20 | |
296+
| `LegacyNodeRoleBehavior` | `false` | Alpha | 1.16 | 1.18 |
297+
| `LegacyNodeRoleBehavior` | `true` | Beta | 1.19 | 1.20 |
287298
| `LegacyNodeRoleBehavior` | `false` | GA | 1.21 | - |
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| `MountContainers` | `false` | Alpha | 1.9 | 1.16 |
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| `MountContainers` | `false` | Deprecated | 1.17 | - |
290301
| `MountPropagation` | `false` | Alpha | 1.8 | 1.9 |
291302
| `MountPropagation` | `true` | Beta | 1.10 | 1.11 |
292303
| `MountPropagation` | `true` | GA | 1.12 | - |
304+
| `NodeDisruptionExclusion` | `false` | Alpha | 1.16 | 1.18 |
305+
| `NodeDisruptionExclusion` | `true` | Beta | 1.19 | 1.20 |
293306
| `NodeDisruptionExclusion` | `true` | GA | 1.21 | - |
294307
| `NodeLease` | `false` | Alpha | 1.12 | 1.13 |
295308
| `NodeLease` | `true` | Beta | 1.14 | 1.16 |
296309
| `NodeLease` | `true` | GA | 1.17 | - |
310+
| `NamespaceDefaultLabelName` | `true` | Beta | 1.21 | 1.21 |
311+
| `NamespaceDefaultLabelName` | `true` | GA | 1.22 | - |
297312
| `PVCProtection` | `false` | Alpha | 1.9 | 1.9 |
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| `PVCProtection` | - | Deprecated | 1.10 | - |
299314
| `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 |
@@ -323,15 +338,17 @@ different Kubernetes components.
323338
| `RootCAConfigMap` | `true` | GA | 1.21 | - |
324339
| `RotateKubeletClientCertificate` | `true` | Beta | 1.8 | 1.18 |
325340
| `RotateKubeletClientCertificate` | `true` | GA | 1.19 | - |
341+
| `RunAsGroup` | `true` | Beta | 1.14 | 1.20 |
342+
| `RunAsGroup` | `true` | GA | 1.21 | - |
326343
| `RuntimeClass` | `false` | Alpha | 1.12 | 1.13 |
327344
| `RuntimeClass` | `true` | Beta | 1.14 | 1.19 |
328345
| `RuntimeClass` | `true` | GA | 1.20 | - |
329-
| `ScheduleDaemonSetPods` | `false` | Alpha | 1.11 | 1.11 |
330-
| `ScheduleDaemonSetPods` | `true` | Beta | 1.12 | 1.16 |
331-
| `ScheduleDaemonSetPods` | `true` | GA | 1.17 | - |
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| `SCTPSupport` | `false` | Alpha | 1.12 | 1.18 |
333347
| `SCTPSupport` | `true` | Beta | 1.19 | 1.19 |
334348
| `SCTPSupport` | `true` | GA | 1.20 | - |
349+
| `ScheduleDaemonSetPods` | `false` | Alpha | 1.11 | 1.11 |
350+
| `ScheduleDaemonSetPods` | `true` | Beta | 1.12 | 1.16 |
351+
| `ScheduleDaemonSetPods` | `true` | GA | 1.17 | - |
335352
| `ServerSideApply` | `false` | Alpha | 1.14 | 1.15 |
336353
| `ServerSideApply` | `true` | Beta | 1.16 | 1.21 |
337354
| `ServerSideApply` | `true` | GA | 1.22 | - |
@@ -344,7 +361,11 @@ different Kubernetes components.
344361
| `ServiceLoadBalancerFinalizer` | `false` | Alpha | 1.15 | 1.15 |
345362
| `ServiceLoadBalancerFinalizer` | `true` | Beta | 1.16 | 1.16 |
346363
| `ServiceLoadBalancerFinalizer` | `true` | GA | 1.17 | - |
364+
| `ServiceNodeExclusion` | `false` | Alpha | 1.8 | 1.18 |
365+
| `ServiceNodeExclusion` | `true` | Beta | 1.19 | 1.20 |
347366
| `ServiceNodeExclusion` | `true` | GA | 1.21 | - |
367+
| `ServiceTopology` | `false` | Alpha | 1.17 | 1.19 |
368+
| `ServiceTopology` | `false` | Deprecated | 1.20 | - |
348369
| `SetHostnameAsFQDN` | `false` | Alpha | 1.19 | 1.19 |
349370
| `SetHostnameAsFQDN` | `true` | Beta | 1.20 | 1.21 |
350371
| `SetHostnameAsFQDN` | `true` | GA | 1.22 | - |
@@ -591,12 +612,17 @@ Each feature gate is designed for enabling/disabling a specific feature:
591612
[CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/).
592613
- `CustomResourceWebhookConversion`: Enable webhook-based conversion
593614
on resources created from [CustomResourceDefinition](/docs/concepts/extend-kubernetes/api-extension/custom-resources/).
615+
- `DaemonSetUpdateSurge`: Enables the DaemonSet workloads to maintain
616+
availability during update per node.
594617
- `DefaultPodTopologySpread`: Enables the use of `PodTopologySpread` scheduling plugin to do
595618
[default spreading](/docs/concepts/workloads/pods/pod-topology-spread-constraints/#internal-default-constraints).
596619
- `DevicePlugins`: Enable the [device-plugins](/docs/concepts/extend-kubernetes/compute-storage-net/device-plugins/)
597620
based resource provisioning on nodes.
598621
- `DisableAcceleratorUsageMetrics`:
599622
[Disable accelerator metrics collected by the kubelet](/docs/concepts/cluster-administration/system-metrics/#disable-accelerator-metrics).
623+
- `DisableCloudProviders`: Disables any functionality in `kube-apiserver`,
624+
`kube-controller-manager` and `kubelet` related to the `--cloud-provider`
625+
component flag.
600626
- `DownwardAPIHugePages`: Enables usage of hugepages in
601627
[downward API](/docs/tasks/inject-data-application/downward-api-volume-expose-pod-information).
602628
- `DryRun`: Enable server-side [dry run](/docs/reference/using-api/api-concepts/#dry-run) requests
@@ -743,6 +769,9 @@ Each feature gate is designed for enabling/disabling a specific feature:
743769
- `PodShareProcessNamespace`: Enable the setting of `shareProcessNamespace` in a Pod for sharing
744770
a single process namespace between containers running in a pod. More details can be found in
745771
[Share Process Namespace between Containers in a Pod](/docs/tasks/configure-pod-container/share-process-namespace/).
772+
- `PreferNominatedNode`: This flag tells the scheduler whether the nominated
773+
nodes will be checked first before looping through all the other nodes in
774+
the cluster.
746775
- `ProbeTerminationGracePeriod`: Enable [setting probe-level
747776
`terminationGracePeriodSeconds`](/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#probe-level-terminationgraceperiodseconds)
748777
on pods. See the [enhancement proposal](https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/2238-liveness-probe-grace-period) for more details.
@@ -782,6 +811,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
782811
instead of the DaemonSet controller.
783812
- `SCTPSupport`: Enables the _SCTP_ `protocol` value in Pod, Service,
784813
Endpoints, EndpointSlice, and NetworkPolicy definitions.
814+
- `SeccompDefault`: If true, automatically set the `seccompProfile` of Pods
815+
and Containers to "Default".
785816
- `ServerSideApply`: Enables the [Sever Side Apply (SSA)](/docs/reference/using-api/server-side-apply/)
786817
feature on the API Server.
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- `ServiceAccountIssuerDiscovery`: Enable OIDC discovery endpoints (issuer and
@@ -809,6 +840,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
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- `StartupProbe`: Enable the
810841
[startup](/docs/concepts/workloads/pods/pod-lifecycle/#when-should-you-use-a-startup-probe)
811842
probe in the kubelet.
843+
- `StatefulSetMinReadySeconds`: Allows `minReadySeconds` to be respected by
844+
the StatefulSet controller.
812845
- `StorageObjectInUseProtection`: Postpone the deletion of PersistentVolume or
813846
PersistentVolumeClaim objects if they are still being used.
814847
- `StorageVersionAPI`: Enable the
@@ -878,6 +911,8 @@ Each feature gate is designed for enabling/disabling a specific feature:
878911
will use EndpointSlices as the primary data source instead of Endpoints,
879912
enabling scalability and performance improvements. See
880913
[Enabling Endpoint Slices](/docs/tasks/administer-cluster/enabling-endpointslices/).
914+
- `WindowsHostProcessContainers`: Enables the support for `HostProcess`
915+
containers on Windows nodes.
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## {{% heading "whatsnext" %}}

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