# Built-in extensions

Built-in extensions are maintained in Griffe's code base. They generally bring support for core features of the Python language or its standard library.

Extension | Description
--------- | -----------
[`dataclasses`](built-in/dataclasses.md) | Support for [`dataclasses`][].
[`unpack_typeddict`](built-in/unpack-typeddict.md) | Support for [`typing.Unpack`][] and [`typing.TypedDict`][].
