## Offizieller Leitfaden { #official-guide }

Pydantic hat einen offiziellen [Migrationsleitfaden](https://docs.pydantic.dev/latest/migration/) von v1 zu v2.

/// tip | Astuce

Si vous voulez diffuser des données binaires, par exemple de la vidéo ou de l'audio, consultez le guide avancé : [Diffuser des données](../advanced/stream-data.md).

///

## Diffuser des JSON Lines avec FastAPI { #stream-json-lines-with-fastapi }

    platform.assumeJdk9()
  }

  @Test
  fun testTlsv13Works() {
    // https://docs.oracle.com/en/java/javase/14/security/java-secure-socket-extension-jsse-reference-guide.html
    // TODO test jdk.tls.client.enableSessionTicketExtension
    // TODO check debugging information

    enableTls()

    server.enqueue(MockResponse(body = "abc"))

    val request = Request(server.url("/"))

  * Support for Docker version 1.9.x has been removed
* rkt version 1.23.0+
  * known issues with the rkt runtime are [listed in the Getting Started Guide](http://kubernetes.io/docs/getting-started-guides/rkt/notes/)
* etcd version 3.0.17
## Changelog since v1.6.0-rc.1


### Previous Releases Included in v1.6.0

/// tip | Astuce

Si vous souhaitez diffuser des données binaires, par exemple de la vidéo ou de l’audio, consultez le guide avancé : [Diffuser des données](../advanced/stream-data.md).

///

## Diffuser des SSE avec FastAPI { #stream-sse-with-fastapi }

///

Si tienes una app de FastAPI antigua con Pydantic v1, aquí te muestro cómo migrarla a Pydantic v2, y las **funcionalidades en FastAPI 0.119.0** para ayudarte con una migración gradual.

## Guía oficial { #official-guide }

Pydantic tiene una [Guía de migración](https://docs.pydantic.dev/latest/migration/) oficial de v1 a v2.

También incluye qué cambió, cómo las validaciones ahora son más correctas y estrictas, posibles consideraciones, etc.

import org.jspecify.annotations.Nullable;

/**
 * A {@link Map} whose contents will never change, with many other important properties detailed at
 * {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained">immutable collections</a>.
 *
 * @author Jesse Wilson
 * @author Kevin Bourrillion
 * @since 2.0
 */

///

Se você tem uma aplicação FastAPI antiga com Pydantic v1, aqui vou mostrar como migrá-la para o Pydantic v2, e as **funcionalidades no FastAPI 0.119.0** para ajudar em uma migração gradual.

## Guia oficial { #official-guide }

O Pydantic tem um [Guia de Migração](https://docs.pydantic.dev/latest/migration/) oficial do v1 para o v2.

Ele também inclui o que mudou, como as validações agora são mais corretas e rigorosas, possíveis ressalvas, etc.

import org.jspecify.annotations.Nullable;

/**
 * A {@link Map} whose contents will never change, with many other important properties detailed at
 * {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained">immutable collections</a>.
 *
 * @author Jesse Wilson
 * @author Kevin Bourrillion
 * @since 2.0
 */

Vous en apprendrez davantage sur l'utilisation des variables d'environnement pour gérer les **paramètres d'application** dans le [Guide utilisateur avancé - Paramètres et variables d'environnement](./advanced/settings.md).

## Variable d'environnement `PATH` { #path-environment-variable }