• Add support for custom route classes for advanced use cases. PR #468 by @dmontagu.
• Allow disabling Google fonts in ReDoc. PR #481 by @b1-luettje.
• Fix security issue: when returning a sub-class of a response model and using skip_defaults it could leak information. PR #485 by @dmontagu.
• Enable tests for Python 3.8-dev. PR #465 by @Jamim.
• Add support and tests for Pydantic dataclasses in response_model. PR #454 by @dconathan.
• Fix typo in OAuth2 JWT tutorial. PR #447 by @pablogamboa.
• Use the media_type parameter in Body() params to set the media type in OpenAPI for requestBody. PR #439 by @divums.
• Add article Deploying a scikit-learn model with ONNX and FastAPI by [https://www.linkedin.com/in/nico-axtmann](Nico Axtmann). PR #438 by @naxty.
• Allow setting custom 422 (validation error) response/schema in OpenAPI.
  • And use media type from response class instead of fixed application/json (the default).
  • PR #437 by @divums.
• Fix using "default" extra response with status codes at the same time. PR #489.
• Allow additional responses to use status code ranges (like 5XX and 4XX) and "default". PR #435 by @divums.