- [beta] StatefulSets allow workloads that require persistent identity or per-instance storage to be created and managed on Kubernetes. ([docs](http://kubernetes.io/docs/concepts/abstractions/controllers/statefulsets/)) ([kubernetes/features#137](https://github.com/kubernetes/enhancements/issues/137))

- Added field management support to the fake client-go typed client.
  Use `fake.NewClientset()` instead of `fake.NewSimpleClientset()` to create a clientset with managed field support. ([#125560](https://github.com/kubernetes/kubernetes/pull/125560), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Auth, Instrumentation and Testing]

* Updated priority of mirror pod according to PriorityClassName. ([#58485](https://github.com/kubernetes/kubernetes/pull/58485), [@k82cn](https://github.com/k82cn))

- Kubeadm: allow the `certs check-expiration` command to not require the existence of the cluster CA key (ca.key file) when checking the expiration of managed certificates in kubeconfig files. ([#106854](https://github.com/kubernetes/kubernetes/pull/106854), [@neolit123](https://github.com/neolit123))

## Changelog since v1.11.0-rc.1

### Other notable changes

* Prevents a `kubectl delete` hang when deleting controller managed lists ([#65367](https://github.com/kubernetes/kubernetes/pull/65367), [@deads2k](https://github.com/deads2k))