`kube-proxy --feature-gates NFTablesProxyMode=true --proxy-mode nftables`
  
  This is currently an alpha-level feature and while it probably will not
  eat your data, it may nibble at it a bit. (It passes e2e testing but has
  not yet seen real-world use.)
  
  At this point it should be functionally mostly identical to the iptables
  mode, except that it does not (and will not) support Service NodePorts on

- Fixed cluster autoscaler addon permissions so it can access batch/job. ([#69858](https://github.com/kubernetes/kubernetes/pull/69858), [@losipiuk](https://github.com/losipiuk))

### Authorization
* The authorization.k8s.io API group was promoted to v1 ([#40709](https://github.com/kubernetes/kubernetes/pull/40709), [@liggitt](https://github.com/liggitt))
* The SubjectAccessReview API now passes subresource and resource name information to the authorizer to answer authorization queries. ([#40935](https://github.com/kubernetes/kubernetes/pull/40935), [@liggitt](https://github.com/liggitt))

### Autoscaling

  // and passed its startup probe.
  // Initialized as false, becomes true after startupProbe is considered
  // successful. Resets to false when the container is restarted, or if kubelet
  // loses state temporarily. In both cases, startup probes will run again.
  // Is always true when no startupProbe is defined and container is running and
  // has passed the postStart lifecycle hook. The null value must be treated the

- Ensure Pods are removed from the scheduler cache when the scheduler misses deletion events due to transient errors ([#106102](https://github.com/kubernetes/kubernetes/pull/106102), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling]

* Scheduler should terminate when it looses leader lock. ([#81306](https://github.com/kubernetes/kubernetes/pull/81306), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))

## Changelog since v1.20.13

## Changes by Kind

### Bug or Regression

- Ensure Pods are removed from the scheduler cache when the scheduler misses deletion events due to transient errors ([#106695](https://github.com/kubernetes/kubernetes/pull/106695), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling]