!!! info
    These docs assume Pydantic v1.

    Because Pewee doesn't play well with anything async and there are better alternatives, I won't update these docs for Pydantic v2, they are kept for now only for historical purposes.

    The examples here are no longer tested in CI (as they were before).

* Updated `examples` field in `Query()`, `Cookie()`, `Body()`, etc. based on the latest JSON Schema and OpenAPI. Now it takes a list of examples and they are included directly in the JSON Schema, not outside. Read more about it (including the historical technical details) in the updated docs: <a href="https://fastapi.tiangolo.com/tutorial/schema-extra-example/" class="external-link" target="_blank">Tutorial: Declare Request Example Data</a>.

* ✨ Add support for `deque` objects and...

¡No! Esa no es la moraleja de la historia.

La concurrencia es diferente al paralelismo. Y es mejor en escenarios **específicos** que implican mucha espera. Debido a eso, generalmente es mucho mejor que el paralelismo para el desarrollo de aplicaciones web. Pero no para todo.

Entonces, para explicar eso, imagina la siguiente historia corta:

> Tienes que limpiar una casa grande y sucia.

I didn't like history that much... and look at me now giving "tech history" lessons. 😅

In short, **upgrade to FastAPI 0.99.0 or above**, and things are much **simpler, consistent, and intuitive**, and you don't have to know all these historic details. 😎...