- Added the feature gates `StrictCostEnforcementForVAP` and `StrictCostEnforcementForWebhooks` to enforce the strict cost calculation for CEL extended libraries. It is strongly recommended to turn on the feature gates as early as possible. ([#124675](https://github.com/kubernetes/kubernetes/pull/124675), [@cici37](https://github.com/cici37)) [SIG API Machinery, Auth, Node and Testing]

## Changelog since v1.10.6

### Action Required

## Changelog since v1.11.2

### Action Required

- 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](...

    #   o libraryProjectPackageBase: (NotRequired - Default same as application's one)
    #    If application package base is different from library's one,
    #    set the property a value 'library's one'.
    #
    #; applicationBehaviorMap = map:{
    #    ; isApplicationBehaviorProject = false
    #    ; libraryProjectPackageBase = 
    #}
    # - - - - - - - - - -/

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...

## Changes by Kind

### API Change

- Added the feature gates `StrictCostEnforcementForVAP` and `StrictCostEnforcementForWebhooks` to enforce the strct cost calculation for CEL extended libraries. It is strongly recommended to turn on the feature gates as early as possible. ([#124676](https://github.com/kubernetes/kubernetes/pull/124676), [@cici37](https://github.com/cici37)) [SIG API Machinery, Auth, Node and Testing]

* 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))