The `--feature-gates` flag now supports an `AllBeta=false` value which disables all beta feature gates. ([#84304](https://github.com/kubernetes/kubernetes/pull/84304), [@liggitt](https://github.com/liggitt))

* fix smb mount issue ([#65751](https://github.com/kubernetes/kubernetes/pull/65751), [@andyzhangx](https://github.com/andyzhangx))
* Fix a scalability issue where high rates of event writes degraded etcd performance. ([#64539](https://github.com/kubernetes/kubernetes/pull/64539), [@ccding](https://github.com/ccding))

- Promote StatefulSet minReadySeconds to GA. This means `--feature-gates=StatefulSetMinReadySeconds=true` are not needed on kube-apiserver and kube-controller-manager binaries and they'll be removed soon following policy at https://kubernetes.io/docs/reference/using-api/deprecation-policy/#deprecation ([#110896](https:...

* Remove pids cgroup controller requirement when related feature gates are disabled ([#79073](https://github.com/kubernetes/kubernetes/pull/79073), [@rafatio](https://github.com/rafatio))

* Fix a scalability issue where high rates of event writes degraded etcd performance. ([#64539](https://github.com/kubernetes/kubernetes/pull/64539), [@ccding](https://github.com/ccding))

  * You can continue to use the alpha version of this feature (with one caveat -- see below), in which you specify affinity requests using Pod annotations, in 1.6 by including `AffinityInAnnotations=true` in `--feature-gates`, such as `--feature-gates=FooBar=true,AffinityInAnnotations=true`. Otherwise, you must modify your PodSpecs that currently use the `scheduler.alpha.kubernetes.io/affinity` annotation on Pod, to instead use the `affinity` field in the PodSpec. Support for the annotation...

### Scheduling

- Features:

  - The following features are now GA, and the associated feature gates are deprecated and will be removed in v1.17:
    - `GCERegionalPersistentDisk` (since 1.15.0)
    - `CustomResourcePublishOpenAPI`
    - `CustomResourceSubresources`
    - `CustomResourceValidation`

* Fix a scalability issue where high rates of event writes degraded etcd performance. ([#64539](https://github.com/kubernetes/kubernetes/pull/64539), [@ccding](https://github.com/ccding))

- The following features are unconditionally enabled and the corresponding `--feature-gates` flags have been removed: `PodPriority`, `TaintNodesByCondition`, `ResourceQuotaScopeSelectors` and `ScheduleDaemonSetPods` ([#86210](https://github.com/kubernetes/kubernetes/pull/86210), [@draveness](https://github.com/draveness)) [SIG Apps and Scheduling]...