- Fixed bug where health check could pass while APIServices are missing from aggregated discovery. ([#122883](https://github.com/kubernetes/kubernetes/pull/122883), [@Jefftree](https://github.com/Jefftree))

- Added new k8s.io/component-helpers repository providing shared helper code for (core) components. ([#92507](https://github.com/kubernetes/kubernetes/pull/92507), [@ingvagabund](https://github.com/ingvagabund)) [SIG Apps, Node, Release and Scheduling]

- Finished initial generic controlplane refactor of kube-apiserver, providing a sample binary building a Kubernetes-like control plane, but without container orchestration resources. ([#124530](https://github.com/kubernetes/kubernetes/pull/124530), [@sttts](https://github.com/sttts)) [SIG API Machinery, Apps, Cloud Provider,...

  optional string hostname = 3;

  // Optional: Node hosting this endpoint. This can be used to determine endpoints local to a node.
  // +optional
  optional string nodeName = 4;

  // Reference to object providing the endpoint.
  // +optional
  optional ObjectReference targetRef = 2;
}

// EndpointPort is a tuple that describes a single port.
// +structType=atomic
message EndpointPort {

a VERY unpleasant state of mind, she turned away.

  `Come back!' the Caterpillar called after her.  `I've something
important to say!'

  This sounded promising, certainly:  Alice turned and came back
again.

  `Keep your temper,' said the Caterpillar.

  `Is that all?' said Alice, swallowing down her anger as well as
she could.

("LGPL3"), the copyright holders of this Library give you permission to
convey to a third party a Combined Work that links statically or dynamically
to this Library without providing any Minimal Corresponding Source or
Minimal Application Code as set out in 4d or providing the installation
information set out in section 4e, provided that you comply with the other
provisions of LGPL3 and provided that you meet, for the Application the

                            nullable: true
                            type: boolean
                          match:
                            description: Match allows providing the scope of the override.
                            oneOf:
                            - not:
                                anyOf:
                                - required:

### SIG Scheduling

- Fixed PersistentolumeLabel providing wrong topology labels to Azure Disk PersistentVolumes when the external Azure cloud provider is used. ([#124528](https://github.com/kubernetes/kubernetes/pull/124528), [@jsafrane](https://github.com/jsafrane)) [SIG Cloud Provider]

    * [StorageOS](http://www.storageos.com) can be used as a storage provider for Kubernetes.  With StorageOS, capacity from local or attached storage is pooled across the cluster, providing converged infrastructure for cloud-native applications.
* CRI has been moved to package `pkg/kubelet/apis/cri/v1alpha1/runtime`. ([#47113](https://github.com/kubernetes/kubernetes/pull/47113), [@feiskyer](https://github.com/feiskyer))