* Fix an issue where AWS tear-down leaks an DHCP Option Set. ([#38645](https://github.com/kubernetes/kubernetes/pull/38645), [@zmerlynn](https://github.com/zmerlynn))
* Give apply the versioned struct that generated from the type defined in the restmapping. ([#38982](https://github.com/kubernetes/kubernetes/pull/38982), [@ymqytw](https://github.com/ymqytw))

- Improved scheduler performance when no scoring plugins were defined.
   ([#122058](https://github.com/kubernetes/kubernetes/pull/122058), [@aleksandra-malinowska](https://github.com/aleksandra-malinowska))
- Improved scheduler performance when no scoring plugins were defined.

	([kubernetes/features#82](https://github.com/kubernetes/enhancements/issues/82))
  - [beta] `Federated Replica Sets` create and maintain matching
    `Replica Set`s in some or all clusters in a federation, with the
    desired replica count distributed equally or according to
    specified per-cluster weights.
	([docs](http://kubernetes.io/docs/user-guide/federation/federated-replicasets.md))