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Toute la validation de données est effectué en arrière-plan avec <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a>,
dont vous bénéficierez de tous les avantages. Vous savez donc que vous êtes entre de bonnes mains.

## L'ordre importe

Quand vous créez des *fonctions de chemins*, vous pouvez vous retrouver dans une situation où vous avez un chemin fixe.

In this case, it might not be a problem, because it's the same user sending the password.

But if we use the same model for another *path operation*, we could be sending our user's passwords to every client.

!!! danger
    Never store the plain password of a user or send it in a response like this, unless you know all the caveats and you know what you are doing.

## Add an output model

* ⬆ Upgrade version pin accepted for Flake8, for internal code, to `flake8 >=3.8.3,<6.0.0`. PR [#4097](https://github.com/tiangolo/fastapi/pull/4097) by [@jamescurtin](https://github.com/jamescurtin).
* 🍱 Update Jina banner, fix typo. PR [#5301](https://github.com/tiangolo/fastapi/pull/5301) by [@tiangolo](https://github.com/tiangolo).

## 0.80.0

### Breaking Changes - Fixes

# 🛃 📨 & APIRoute 🎓

💼, 👆 5️⃣📆 💚 🔐 ⚛ ⚙️ `Request` & `APIRoute` 🎓.

🎯, 👉 5️⃣📆 👍 🎛 ⚛ 🛠️.

🖼, 🚥 👆 💚 ✍ ⚖️ 🔬 📨 💪 ⏭ ⚫️ 🛠️ 👆 🈸.

!!! danger
    👉 "🏧" ⚒.

    🚥 👆 ▶️ ⏮️ **FastAPI** 👆 💪 💚 🚶 👉 📄.

## ⚙️ 💼

⚙️ 💼 🔌:

* 🏭 🚫-🎻 📨 💪 🎻 (✅ <a href="https://msgpack.org/index.html" class="external-link" target="_blank">`msgpack`</a>).
* 🗜 🗜-🗜 📨 💪.
* 🔁 🚨 🌐 📨 💪.

Eğer tarayıcınızda şu bağlantıyı:

```
http://127.0.0.1:8000/items/foo-item
```

...`needy` parametresini eklemeden açarsanız şuna benzer bir hata ile karşılaşırsınız:

```JSON
{
  "detail": [
    {
      "type": "missing",
      "loc": [
        "query",
        "needy"
      ],
      "msg": "Field required",

    * Eğer Python typelarını nasıl kullanacağını biliyorsan Pydantic kullanmayı da biliyorsundur.
* Kullandığın geliştirme araçları ile iyi çalışır **<abbr title="Integrated Development Environment, kod editörüne benzer">IDE</abbr>/<abbr title="Code errorlarınızı inceleyen program">linter</abbr>/brain**: