* 🌐 Add Japanese translation for History Design and Future. PR [#2002](https://github.com/tiangolo/fastapi/pull/2002) by [@komtaki](https://github.com/komtaki).
* 🌐 Add Japanese translation for Benchmarks. PR [#1992](https://github.com/tiangolo/fastapi/pull/1992) by [@komtaki](https://github.com/komtaki).
* 🌐 Add Japanese translation for Tutorial - Header Parameters. PR [#1935](https://github.com/tiangolo/fastapi/pull/1935) by [@SwftAlpc](https://github.com/SwftAlpc).