- Switched intstr.Type to sized integer to follow API guidelines and improve compatibility with proto libraries ([#83956](https://github.com/kubernetes/kubernetes/pull/83956), [@liggitt](https://github.com/liggitt))

- The API server and client-go libraries have been fixed to support additional non-alpha-numeric characters in UserInfo "extra" data keys. Both should be updated in order to properly support extra data containing "/" characters or other characters disallowed in HTTP headers. ([#65799](...

for all aspects of the API server: API registration and discovery, generic API CRUD semantics, admission control, encoding/decoding, conversion, defaulting, persistence layer (etcd), OpenAPI, third-party resources, garbage collection, and client libraries.

For the 1.8 release, SIG API Machinery focused on stability and on ecosystem enablement. Features include the ability to break large LIST calls into smaller chunks, improved support for API server customization with either custom API...

    - [Cloud Providers](#cloud-providers)
  - [**Known Issues**](#known-issues)
  - [**Deprecations**](#deprecations)
    - [Cluster provisioning scripts](#cluster-provisioning-scripts)
    - [Client libraries](#client-libraries)
    - [DaemonSet](#daemonset)
    - [kube-proxy](#kube-proxy)
    - [Namespace](#namespace)
    - [Scheduling](#scheduling)
  - [**Notable Features**](#notable-features)
  - [Kubefed](#kubefed)

* The implicit registration of Prometheus metrics for request count and latency have been removed, and a plug-able interface was added. If you were using our client libraries in your own binaries and want these metrics, add the following to your imports in the main package: "k8s.io/pkg/client/metrics/prometheus".  ([#30638](https://github.com/kubernetes/kubernetes/pull/30638), [@krousey](https://github.com/krousey))

## Changelog since v1.9.10

### Action Required

## Changelog since v1.10.6

### Action Required

## Changelog since v1.11.2

### Action Required

* Switched intstr.Type to sized integer to follow API guidelines and improve compatibility with proto libraries ([#83956](https://github.com/kubernetes/kubernetes/pull/83956), [@liggitt](https://github.com/liggitt))