- Improved Federation Support
  - New command: `kubefed`
  - DaemonSets
  - Deployments
  - ConfigMaps
- Simplified Cluster Deployment
  - Improvements to `kubeadm`
  - HA Setup for Master
- Node Robustness and Extensibility
  - Windows Server Container support
  - CRI for pluggable container runtimes
  - `kubelet` API supports authentication and authorization

## Features

    - [CSI Proxy for Windows](#csi-proxy-for-windows)
    - [Dashboard v2](#dashboard-v2)
    - [Windows containerd support graduates to beta](#windows-containerd-support-graduates-to-beta)
    - [Increase the Kubernetes support window to one year](#increase-the-kubernetes-support-window-to-one-year)
  - [Known Issues](#known-issues)
  - [Urgent Upgrade Notes](#urgent-upgrade-notes)

    - [Ephemeral Containers Graduate to Stable](#ephemeral-containers-graduate-to-stable)
    - [Support for cgroups v2 Graduates to Stable](#support-for-cgroups-v2-graduates-to-stable)
    - [Windows support improved](#windows-support-improved)
    - [Moved container registry service from k8s.gcr.io to registry.k8s.io](#moved-container-registry-service-from-k8sgcrio-to-registryk8sio)

contact_links:
  - name: Support Request
    url: https://discuss.kubernetes.io

  
  ### Magnum
  - Add Magnum support in the Cluster Autoscaler helm chart
  
  ### Packet
  - Allow empty nodepools
  - Add support for multiple nodepools
  - Add pricing support
  
  ## Image
  Image: `k8s.gcr.io/autoscaling/cluster-autoscaler:v1.20.0` ([#97012](https://github.com/kubernetes/kubernetes/pull/97012), [@towca](https://github.com/towca)) [SIG Cloud Provider]

- Add support for PodAndContainerStatsFromCRI featuregate, which allows a user to specify their pod stats must also come from the CRI, not cAdvisor. (#103095, @haircommander) [SIG Node]
- Add support for Portworx plugin to csi-translation-lib. Alpha release
  
  Portworx CSI driver is required to enable migration.
  This PR adds support of the `CSIMigrationPortworx` feature gate, which can be enabled by:

- Some of the in-tree storage drivers indicate support for the `MetricsProvider` interface, but fail to configure this for BlockMode volumes. With a recent change, `Kubelet` will call `GetMetrics()` for BlockMode volumes, and the in-tree drivers that miss the support cause a Go panic. Now the in-tree storage drivers that support BlockMode volumes, will return the Capacity of the volume in the `GetMetrics()` call. ([#101587](https://git...

#### Various

   Core changes:

  * Support for load balancers with source ranges

#### AWS

Core changes:

  * Support for ELBs with complex configurations: better subnet selection with
multiple subnets, and internal ELBs
  * Support for VPCs with private dns names
  * Multiple fixes to EBS volume mounting code for robustness, and to support
mounting the full number of AWS recommended volumes.

- Enhance Azure cloud provider code to support both AAD and ADFS authentication. ([#80841](https://github.com/kubernetes/kubernetes/pull/80841), [@rjaini](https://github.com/rjaini))
- kubeadm: implement support for concurrent add/remove of stacked etcd members ([#79677](https://github.com/kubernetes/kubernetes/pull/79677), [@neolit123](https://github.com/neolit123))

    * Adds support for 1.5.x series of Kubernetes
    * Introduces a tactic for keeping templates in sync with upstream eliminating template drift
    * Adds CNI support to the Juju Charms
    * Adds durable storage support to the Juju Charms
    * Introduces an e2e Charm layer for repeatable testing efforts and validation of clusters