- Official support to build kubernetes with docker-machine / remote docker is removed. This change does not affect building kubernetes with docker locally. ([#97935](https://github.com/kubernetes/kubernetes/pull/97935), [@adeniyistephen](https://github.com/adeniyistephen)) [SIG Release and Testing]

* Adds BETA support for `DNSConfig` field in PodSpec and `DNSPolicy=None`. ([#59771](https://github.com/kubernetes/kubernetes/pull/59771), [@MrHohn](https://github.com/MrHohn))
* kubeadm: Demote controlplane passthrough flags to alpha flags ([#59882](https://github.com/kubernetes/kubernetes/pull/59882), [@kris-nova](https://github.com/kris-nova))

- `kubeadm`: now respects user provided `kubeconfig` during discovery process ([#113998](https://github.com/kubernetes/kubernetes/pull/113998), [@SataQiu](https://github.com/SataQiu))
- `kubectl port-forward` now exits with exit code 1 when remote connection is
  lost ([#114460](https://github.com/kubernetes/kubernetes/pull/114460), [@brianpursley](https://github.com/brianpursley))

### **CLI**

#### **Kubectl**

*   `kubectl cp` can now copy a remote file into a local directory. ([#46762](https://github.com/kubernetes/kubernetes/pull/46762),[ @bruceauyeung](https://github.com/bruceauyeung))

- Annotations are now supported for remote admission webhooks. ([#58679](https://github.com/kubernetes/kubernetes/pull/58679), [@CaoShuFeng](https://github.com/CaoShuFeng)) Courtesy of SIG API Machinery, and SIG Auth

- Limit the body length of exec readiness/liveness probes. remote CRIs and Docker shim read a max of 16MB output of which the exec probe itself inspects 10kb. ([#82514](https://github.com/kubernetes/kubernetes/pull/82514), [@dims](https://github.com/dims))

- Fixed bug to correctly report `ErrRegistryUnavailable` on pulling container images for remote CRI runtimes. ([#117612](https://github.com/kubernetes/kubernetes/pull/117612), [@saschagrunert](https://github.com/saschagrunert)) [SIG Node]

* AWS: Allow configuration of a single security group for ELBs ([#45500](https://github.com/kubernetes/kubernetes/pull/45500), [@nbutton23](https://github.com/nbutton23))

* change CounterVec to Counter about  PLEGDiscardEvent ([#86167](https://github.com/kubernetes/kubernetes/pull/86167), [@yiyang5055](https://github.com/yiyang5055))
* hollow-node do not use remote CRI anymore ([#86425](https://github.com/kubernetes/kubernetes/pull/86425), [@jkaniuk](https://github.com/jkaniuk))

* You now have the ability to quota resources by priority. ([#57963](https://github.com/kubernetes/kubernetes/pull/57963), [@vikaschoudhary16](https://github.com/vikaschoudhary16))
* The gRPC max message size in the remote container runtime has been increased to 16MB. ([#64672](https://github.com/kubernetes/kubernetes/pull/64672), [@mcluseau](https://github.com/mcluseau))