- Added custom route classes, Pydantic dataclass support, enhanced media type handling, custom 422 validation responses, and status‑code‑range responses in OpenAPI.
- Fixed a security issue that could leak data when returning subclass response models with skip defaults.
- Improved docs: option to disable Google fonts in ReDoc, typo fix in OAuth2 JWT tutorial, added scikit‑learn ONNX deployment article, and Python 3.8 test compatibility.