* Numbers (`int`, `float`) with min and max values, etc.

* Validation for more exotic types, like:
    * URL.
    * Email.
    * UUID.
    * ...and others.

All the validation is handled by the well-established and robust **Pydantic**.

### Security and authentication { #security-and-authentication }

Security and authentication integrated. Without any compromise with databases or data models.

- Fixed an issue in kube-apiserver, allowing it to recover from an established connection to an incorrect server that never returns the expected response during APIService availability checks. ([#137157](https://github.com/kubernetes/kubernetes/pull/137157), [@bsalamat](https://github.com/bsalamat)) [SIG API Machinery]

`cpu-manager-policy=static` is configured, containers meeting the qualifications for static cpu assignment (i.e. Containers with integer CPU `requests` in pods with `Guaranteed` QOS) will not have cfs quota enforced. Because this fix changes a long-established behavior, users observing a regressions can use the `DisableCPUQuotaWithExclusiveCPUs` feature gate (enabled by default) to restore the previous behavior. Please file an issue if you encounter problems and have to use the Feature Gate. ([#12752...

- Change the node-local podresources API endpoint to only consider of active pods. Because this fix changes a long-established behavior, users observing a regressions can use the KubeletPodResourcesListUseActivePods feature gate (default on) to restore the old behavior. Please file an issue if you encounter problems and have to use the Feature Gate. ([#132028](https://...