* ⬆️ Upgrade Uvicorn when installing fastapi[all] to the latest version including uvloop. PR [#2548](https://github.com/tiangolo/fastapi/pull/2548) by [@tiangolo](https://github.com/tiangolo).
### Features
* ✨ Improve type annotations, add support for mypy --strict, internally and for external packages. PR [#2547](https://github.com/tiangolo/fastapi/pull/2547) by [@tiangolo](https://github.com/tiangolo).