- Promoted the feature gate `ValidtaingAdmissionPolicy` to beta, and it is turned off by default. ([#119409](https://github.com/kubernetes/kubernetes/pull/119409), [@alexzielenski](https://github.com/alexzielenski))

  joining `etcd` members is now enabled by default. ([#120228](https://github.com/kubernetes/kubernetes/pull/120228), [@pacoxu](https://github.com/pacoxu))

* Advanced auditing is the default auditing mechanism at `v1beta1`. The new version introduces the following changes:

  * The `--audit-policy-file` option is required if the `AdvancedAuditing` feature is not explicitly turned off (`--feature-gates=AdvancedAuditing=false`) on the API server.
  * The audit log file defaults to JSON encoding when using the advanced auditing feature gate.

## 0.100.0

✨ Support for **Pydantic v2** ✨

Pydantic version 2 has the **core** re-written in **Rust** and includes a lot of improvements and features, for example:

* Improved **correctness** in corner cases.
* **Safer** types.
* Better **performance** and **less energy** consumption.
* Better **extensibility**.
* etc.