- Updated `KMSv2` to beta ([#115123](https://github.com/kubernetes/kubernetes/pull/115123), [@aramase](https://github.com/aramase))
- Updated: Redefine AppProtocol field description and add new standard values ([#115433](https://github.com/kubernetes/kubernetes/pull/115433), [@LiorLieberman](https://github.com/LiorLieberman)) [SIG API Machinery, Apps and Network]

- The helping message of commands which have sub-commands is now clearer and more instructive. It will show the full command instead of `kubectl <command> --help ...`
  
  Changed `kubectl create secret --help` description. There will be a short introduction to the three secret types and clearer guidance on how to use the command. ([#117930](https://github.com/kubernetes/kubernetes/pull/117930), [@LronDC](https://github.com/LronDC))

* Fixed OpenAPI Description and Nickname of API objects with subresources ([#49357](https://github.com/kubernetes/kubernetes/pull/49357), [@mbohlool](https://github.com/mbohlool))

- `kubelet` now exposes latency metrics of different stages of the node startup. ([#118568](https://github.com/kubernetes/kubernetes/pull/118568), [@qiutongs](https://github.com/qiutongs))

### Documentation

- Added descriptions and examples for the situation of using `kubectl rollout restart` without specifying a particular deployment. ([#120118](https://github.com/kubernetes/kubernetes/pull/120118), [@Ithrael](https://github.com/Ithrael))

- Kubectl shell completions for the bash shell now include descriptions. ([#113636](https://github.com/kubernetes/kubernetes/pull/113636), [@marckhouzam](https://github.com/marckhouzam))