- Added temporary ability to mix `pydantic.v1` and Pydantic v2 models within the same FastAPI app.
- Provides smoother migration from Pydantic v1 to v2 with documentation covering migration steps.
- Deprecates native Pydantic v1 support; removal planned for a future release.
0.119.0
Official FastAPI changelog summary with source attribution, release tags, and community reactions.
Track this FastAPI release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this FastAPI release note into a weekly digest for the tools you actually use.
Create digest