## 0.67.0

### Features

* ✨ Add support for `dataclasses` in request bodies and `response_model`. New documentation: [Advanced User Guide - Using Dataclasses](https://fastapi.tiangolo.com/advanced/dataclasses/). PR [#3577](https://github.com/tiangolo/fastapi/pull/3577) by [@tiangolo](https://github.com/tiangolo).

        [`typing.NamedTuple`](https://docs.python.org/3/library/typing.html#typing.NamedTuple)
        and
        [`@dataclasses.dataclass`](https://docs.python.org/3/library/dataclasses.html#dataclasses.dataclass)
        from the standard Python library.
    *   Extension types are supported by Keras, tf.data, TF-hub, SavedModel,