* ✨ Add docs and tests for Python 3.9 and Python 3.10. PR [#3712](https://github.com/tiangolo/fastapi/pull/3712) by [@tiangolo](https://github.com/tiangolo).
* ⬆ Upgrade MkDocs Material and configs. PR [#4385](https://github.com/tiangolo/fastapi/pull/4385) by [@tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade Starlette to 0.17.1. PR [#4145](https://github.com/tiangolo/fastapi/pull/4145) by [@simondale00](https://github.com/simondale00).