* 🌐 Add Russian translation for `docs/ru/docs/tutorial/header-param-models.md`. PR [#13526](https://github.com/fastapi/fastapi/pull/13526) by [@minaton-ru](https://github.com/minaton-ru).
* 🌐 Update Chinese translation for `docs/zh/docs/tutorial/index.md`. PR [#13374](https://github.com/fastapi/fastapi/pull/13374) by [@Zhongheng-Cheng](https://github.com/Zhongheng-Cheng).
* 🌐 Update Chinese translation for `docs/zh/docs/deployment/manually.md`. PR [#13324](https://github.com/fastapi/fastapi/pull/13324) by [@Zhongheng-Cheng](https://github.com/Zhongheng-Cheng).
* 🌐 Update Chinese translation for `docs/zh/docs/deployment/server-workers.md`. PR [#13292](https://github.com/fastapi/fastapi/pull/13292) by [@Zhongheng-Cheng](https://github.com/Zhongheng-Cheng).