* ✨ Add support for forbidding extra form fields with Pydantic models. PR [#12134](https://github.com/fastapi/fastapi/pull/12134) by [@tiangolo](https://github.com/tiangolo).
### Internal
* ✅ Update internal tests for latest Pydantic, including CI tweaks to install the latest Pydantic. PR [#12147](https://github.com/fastapi/fastapi/pull/12147) by [@tiangolo](https://github.com/tiangolo).