… 1.31

```
./hack/compare-k8s-feature-gates.sh 1.30 1.31

Feature gates added in 1.31 compared to 1.30:
AllowDNSOnlyNodeCSR
AllowInsecureKubeletCertificateSigningRequests
AnonymousAuthConfigurableEndpoints
AuthorizeNodeWithSelectors
AuthorizeWithSelectors
ConcurrentWatchObjectDecode
CoordinatedLeaderElection
DRAControlPlaneController
DisableAllocatorDualWrite
ImageVolume
ReloadKubeletServerCertificateFile
ResilientWatchCacheInitialization
ResourceHealthStatus
SupplementalGroupsPolicy
WatchCacheInitializationPostStartHook
```

```
./hack/compare-k8s-feature-gates.sh 1.30 1.31

Feature gates removed in 1.31 compared to 1.30:
APIPriorityAndFairness
CSIMigrationRBD
CSINodeExpandSecret
ConsistentHTTPGetHandlers
CustomResourceValidationExpressions
DefaultHostNetworkHostPortsInPodTemplates
InTreePluginAWSUnregister
InTreePluginAzureDiskUnregister
InTreePluginAzureFileUnregister
InTreePluginGCEUnregister
InTreePluginOpenStackUnregister
InTreePluginRBDUnregister
InTreePluginvSphereUnregister
JobReadyPods
ReadWriteOncePod
ServiceNodePortStaticSubrange
SkipReadOnlyValidationGCE
```

```
./hack/compare-k8s-feature-gates.sh 1.30 1.31

Feature gates locked to default in 1.31 compared to 1.30:
AppArmor                                 Default:  true
AppArmorFields                           Default:  true
DevicePluginCDIDevices                   Default:  true
DisableCloudProviders                    Default:  true
DisableKubeletCloudCredentialProviders   Default:  true
ElasticIndexedJob                        Default:  true
JobPodFailurePolicy                      Default:  true
KubeProxyDrainingTerminatingNodes        Default:  true
LogarithmicScaleDown                     Default:  true
PDBUnhealthyPodEvictionPolicy            Default:  true
PersistentVolumeLastPhaseTransitionTime  Default:  true
PodDisruptionConditions                  Default:  true
StatefulSetStartOrdinal                  Default:  true
```

```
./hack/compare-k8s-admission-plugins.sh 1.30 1.31

Admission plugins added in 1.31 compared to 1.30:

Admission plugins removed in 1.31 compared to 1.30:
PersistentVolumeLabel
```

```
./hack/compare-k8s-api-groups.sh 1.30 1.31

Kubernetes API group versions added in 1.31 compared to 1.30:
coordination.k8s.io/v1alpha1
resource.k8s.io/v1alpha3

Kubernetes API GVRs added in 1.31 compared to 1.30:
coordination.k8s.io/v1alpha1/leasecandidates
networking.k8s.io/v1beta1/ipaddresses
networking.k8s.io/v1beta1/servicecidrs
resource.k8s.io/v1alpha3/deviceclasses
resource.k8s.io/v1alpha3/podschedulingcontexts
resource.k8s.io/v1alpha3/resourceclaims
resource.k8s.io/v1alpha3/resourceclaimtemplates
resource.k8s.io/v1alpha3/resourceslices
storage.k8s.io/v1beta1/volumeattributesclasses

Kubernetes API group versions removed in 1.31 compared to 1.30:
resource.k8s.io/v1alpha2

Kubernetes API GVRs removed in 1.31 compared to 1.30:
resource.k8s.io/v1alpha2/podschedulingcontexts
resource.k8s.io/v1alpha2/resourceclaimparameters
resource.k8s.io/v1alpha2/resourceclaims
resource.k8s.io/v1alpha2/resourceclaimtemplates
resource.k8s.io/v1alpha2/resourceclasses
resource.k8s.io/v1alpha2/resourceclassparameters
resource.k8s.io/v1alpha2/resourceslices
```

```
./hack/compute-k8s-controllers.sh 1.30 1.31

kube-controller-manager controllers added in 1.31 compared to 1.30:
Added Controllers for API Group [networking/v1beta1]: service-cidr-controller
Added Controllers for API Group [resource/v1alpha3]: resourceclaim-controller

kube-controller-manager controllers removed in 1.31 compared to 1.30:
Removed Controllers for API Group [networking/v1alpha1]: service-cidr-controller
Removed Controllers for API Group [resource/v1alpha2]: resourceclaim-controller
```

…n` field

The `.status field.nodeInfo.kubeProxyVersion` is a lie since its initial introduction. The field is set by kubelet which cannot know the kube-proxy version or whether kube-proxy is running at all or not.
The `DisableNodeKubeProxyVersion` feature gate is enabled by default since K8s 1.31. The field is set to empty string in the Node status.
There is no added value in checking this field in the upgrade tests due to the reasons from above.

Ref kubernetes/enhancements#4004

…g.clientAuthentication=nil` when doing forceful update to K8s 1.31+

…kubernetes.kubelet.kubeReserved` when doing forceful update to K8s 1.31+

…same logic