* 🌐 Add Japanese translation for `docs/ja/docs/tutorial/dependencies/dependencies-in-path-operation-decorators.md`. PR [#1960](https://github.com/tiangolo/fastapi/pull/1960) by [@SwftAlpc](https://github.com/SwftAlpc).
* 🌐 Add Japanese translation for `docs/ja/docs/tutorial/dependencies/sub-dependencies.md`. PR [#1959](https://github.com/tiangolo/fastapi/pull/1959) by [@SwftAlpc](https://github.com/SwftAlpc).
* 🌐 Add Japanese translation for `docs/ja/docs/tutorial/background-tasks.md`. PR [#2668](https://github.com/tiangolo/fastapi/pull/2668) by [@tokusumi](https://github.com/tokusumi).
* 🌐 Add Japanese translation for `docs/ja/docs/tutorial/dependencies/index.md` and `docs/ja/docs/tutorial/dependencies/classes-as-dependencies.md`. PR [#1958](https://github.com/tiangolo/fastapi/pull/1958) by [@SwftAlpc](https://github.com/SwftAlpc).