* 📝 Update docs about async and response-model with more gender neutral language. PR [#1869](https://github.com/tiangolo/fastapi/pull/1869) by [@Edward-Knight](https://github.com/Edward-Knight).
* ✨ Add additonal OpenAPI metadata parameters to `FastAPI` class, shown on the automatic API docs UI. PR [#1812](https://github.com/tiangolo/fastapi/pull/1812) by [@dkreeft](https://github.com/dkreeft).
* ✨ Add `description` parameter to all the security scheme classes, e.g. `APIKeyQuery(name="key", description="A very cool API key")`. PR [#1757](https://github.com/tiangolo/fastapi/pull/1757) by [@hylkepostma](https://github.com/hylkepostma).
* ✅ Add the `docs_src` directory to test coverage and update tests. PR [#1904](https://github.com/tiangolo/fastapi/pull/1904) by [@Kludex](https://github.com/Kludex).