* 🌐 Add Japanese translation for `docs/ja/docs/tutorial/body-nested-models.md`. PR [#1930](https://github.com/tiangolo/fastapi/pull/1930) by [@SwftAlpc](https://github.com/SwftAlpc).
* 🌐 Add Japanese translation for `docs/ja/docs/tutorial/body-fields.md`. PR [#1923](https://github.com/tiangolo/fastapi/pull/1923) by [@SwftAlpc](https://github.com/SwftAlpc).
* 🌐 Add German translation for `docs/de/docs/tutorial/index.md`. PR [#9502](https://github.com/tiangolo/fastapi/pull/9502) by [@fhabers21](https://github.com/fhabers21).
* 🌐 Add German translation for `docs/de/docs/tutorial/background-tasks.md`. PR [#10566](https://github.com/tiangolo/fastapi/pull/10566) by [@nilslindemann](https://github.com/nilslindemann).