* Fix serialization when using `by_alias` or `exclude_unset` and returning data with Pydantic models. PR [#1074](https://github.com/tiangolo/fastapi/pull/1074) by [@juhovh-aiven](https://github.com/juhovh-aiven).
* Add Gitter chat to docs. PR [#1061](https://github.com/tiangolo/fastapi/pull/1061) by [@aakashnand](https://github.com/aakashnand).
* Update and simplify translations docs. PR [#1171](https://github.com/tiangolo/fastapi/pull/1171).
* Update development of FastAPI docs, set address to `127.0.0.1` to improve Windows support. PR [#1169](https://github.com/tiangolo/fastapi/pull/1169) by [@mariacamilagl](https://github.com/mariacamilagl).