* Adds a new alpha EventRateLimit admission control that is used to limit the number of event queries that are accepted by the API Server. ([#50925](https://github.com/kubernetes/kubernetes/pull/50925), [@staebler](https://github.com/staebler))

  - The `--experimental-encryption-provider-config` flag is deprecated in favor of `--encryption-provider-config`. The old flag is accepted with a warning but will be removed in 1.14. ([#71206](https://github.com/kubernetes/kubernetes/pull/71206),...

- A pod that the Kubelet rejects was still considered as being accepted for a brief period of time after rejection, which might cause some pods to be rejected briefly that could fit on the node.  A pod that is still terminating (but has status indicating it has failed) may also still be consuming resources and so should...

- `e2e.test` now rejects unknown `--provider` values instead of merely warning about them. An empty provider name is not accepted anymore and was replaced by `skeleton` (a provider with no special behavior). ([#73402](https://github.com/kubernetes/kubernetes/pull/73402), [@pohly](https://github.com/pohly))

#### kube-scheduler:
- A kubescheduler.config.k8s.io/v1alpha2 configuration file version is now accepted, with support for multiple scheduling profiles ([#87628](https://github.com/kubernetes/kubernetes/pull/87628), [@alculquicondor](https://github.com/alculquicondor)) [SIG Scheduling]

- The Pod `spec.podOS` field is promoted to GA. The `IdentifyPodOS` feature gate unconditionally enabled, and will no longer be accepted as a `--feature-gates` parameter in 1.27. ([#111229](https://github.com/kubernetes/kubernetes/pull/111229), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))

set ... --local` commands. ([#77267](https://github.com/kubernetes/kubernetes/pull/77267), [@liggitt](https://github.com/liggitt))
- Support for parsing more v1.Taint forms has been added. For example, `key:effect`, `key=:effect-` are now accepted. ([#74159](https://github.com/kubernetes/kubernetes/pull/74159), [@dlipovetsky](https://github.com/dlipovetsky))

### Cloud Provider

### Controller Manager

- The OpenAPI spec and documentation now reflect the 202 Accepted response path for delete requests. Note that this change in the openapi spec may affect some clients that depend on the error paths.  ([#63418](https://github.com/kubernetes/kubernetes/pull/63418), [@roycaihw](https://github.com/roycaihw))

* Adds a new alpha EventRateLimit admission control that is used to limit the number of event queries that are accepted by the API Server. ([#50925](https://github.com/kubernetes/kubernetes/pull/50925), [@staebler](https://github.com/staebler))