## 0.75.0

### Features

* ✨ Add support for custom `generate_unique_id_function` and docs for generating clients. New docs: [Advanced - Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/). PR [#4650](https://github.com/tiangolo/fastapi/pull/4650) by [@tiangolo](https://github.com/tiangolo).

## 0.74.1

### Features

!!! tip
    This tutorial previously used <a href="https://pyjwt.readthedocs.io/" class="external-link" target="_blank">PyJWT</a>.

    But it was updated to use Python-jose instead as it provides all the features from PyJWT plus some extras that you might need later when building integrations with other tools.

## Password hashing

In particular, this may be a good alternative to logic in a middleware.

For example, if you want to read or manipulate the request body before it is processed by your application.

!!! danger
    This is an "advanced" feature.

    If you are just starting with **FastAPI** you might want to skip this section.

## Use cases

Some use cases include:

## **FastAPI**'s `OAuth2PasswordBearer`

**FastAPI** provides several tools, at different levels of abstraction, to implement these security features.

In this example we are going to use **OAuth2**, with the **Password** flow, using a **Bearer** token. We do that using the `OAuth2PasswordBearer` class.

!!! info
    A "bearer" token is not the only option.

We, as humans, make **mistakes**, all the time. Software almost *always* has **bugs** hidden in different places. 🐛

And we as developers keep improving the code as we find those bugs and as we implement new features (possibly adding new bugs too 😅).

### Small Errors Automatically Handled

!!! check
    The `prefix`, `tags`, `responses`, and `dependencies` parameters are (as in many other cases) just a feature from **FastAPI** to help you avoid code duplication.

### Import the dependencies

This code lives in the module `app.routers.items`, the file `app/routers/items.py`.

## Type Hints with Metadata Annotations

Python also has a feature that allows putting **additional metadata** in these type hints using `Annotated`.

=== "Python 3.9+"

    In Python 3.9, `Annotated` is part of the standard library, so you can import it from `typing`.

    Einige könnten noch nicht alle zusätzlichen Informationen anzeigen, die Sie deklariert haben, obwohl in den meisten Fällen geplant ist, das fehlende Feature zu implementieren.

Sie können einen Titel hinzufügen – `title`:

=== "Python 3.10+"

    ```Python hl_lines="10"
    {!> ../../../docs_src/query_params_str_validations/tutorial007_an_py310.py!}
    ```

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# Features

## FastAPI features

**FastAPI** gives you the following:

### Based on open standards

Na última pesquisa do desenvolvedor Python ficou claro <a href="https://www.jetbrains.com/research/python-developers-survey-2017/#tools-and-features" class="external-link" target="_blank">que o recurso mais utilizado é o "auto completar"</a>.

Todo o _framework_ **FastAPI** é feito para satisfazer isso. Auto completação funciona em todos os lugares.