### **Network**

#### **IPv6**

*   [alpha] IPv6 support has been added. Notable IPv6 support details include:
    *   Support for IPv6-only Kubernetes cluster deployments. **<span style="text-decoration:underline;">Note:</span>** This feature does not provide dual-stack support.
    *   Support for IPv6 Kubernetes control and data planes.
    *   Support for Kubernetes IPv6 cluster deployments using kubeadm.

* sysctl support is now considered beta ([ref](https://github.com/kubernetes/enhancements/issues/34))
* Support for Azure Virtual Machine Scale Sets is now considered beta. ([ref](https://github.com/kubernetes/enhancements/issues/513))
* Azure support for Cluster Autoscaler is now considered beta. ([ref](https://github.com/kubernetes/enhancements/issues/514))

* vSphere cloud provider: vSphere Storage policy Support for dynamic volume provisioning ([#46176](https://github.com/kubernetes/kubernetes/pull/46176), [@BaluDontu](https://github.com/BaluDontu))
* Add support for emitting metrics from openstack cloudprovider about storage operations. ([#46008](https://github.com/kubernetes/kubernetes/pull/46008), [@NickrenREN](https://github.com/NickrenREN))

    * kubectl `--user` and `--cluster` now support completion ([#44251](https://github.com/kubernetes/kubernetes/pull/44251), [@superbrothers](https://github.com/superbrothers))

    * `kubectl config use-context` now supports completion ([#42336](https://github.com/kubernetes/kubernetes/pull/42336), [@superbrothers](https://github.com/superbrothers))

  * [alpha] CRI now supports specifying the GID of the container at both LinuxSandboxSecurityContext and LinuxContainerSecurityContext in addition to specifying the UID. Support is implemented for dockershim. [@krmayankk]

- StatefulSet is supported in `kubectl autoscale` command ([#71103](https://github.com/kubernetes/kubernetes/pull/71103), [@Pingan2017](https://github.com/Pingan2017))

- Add support support to Manilla for trustee authentication and supplying custom CAs.
- Add and update documentation.
- Add support to Manilla for provisioning existing shares.
- Add cluster name to load balancer description
- Add synchronization between Kubernetes and Keystone projects
- Add use internal DNS name for 'hostname' of nodes.
- Add support for CSI spec v0.3.0 for both Cinder and Manilla

* The namespace API object no longer supports the deletecollection operation, which was previously allowed by mistake and did not respect expected namespace lifecycle semantics. ([#47098](https://github.com/kubernetes/kubernetes/pull/47098), [@liggitt](https://github.com/liggitt))

- Kubernetes now supports configure accessLogs for AWS NLB. ([#78497](https://github.com/kubernetes/kubernetes/pull/78497), [@M00nF1sh](https://github.com/M00nF1sh))
- Kubernetes now supports update LoadBalancerSourceRanges for AWS NLB([#74692](https://github.com/kubernetes/kubernetes/pull/74692), [@M00nF1sh](https://github.com/M00nF1sh))

- Removed note that `hostAliases` are not supported on hostNetwork Pods from the PodSpec API. The feature has been supported since v1.8. ([#122422](https://github.com/kubernetes/kubernetes/pull/122422), [@neolit123](https://github.com/neolit123))