fastapi v0.139.2 Release Notes

Release Date: 2026-07-16 // 2 months ago
  • ๐Ÿ›  Fixes

    • ๐Ÿ”จ ๐Ÿ› Refactor router route building to make it thread-safe, mainly relevant for tests running in parallel threads (uncommon). PR #16013 by @tiangolo.

Previous changes from v0.139.0

  • ๐Ÿ”‹ Features

    • ๐Ÿ‘ โœจ Support dependencies in app.frontend(), e.g. for automatic cookie authentication for the frontend. PR #15908 by @tiangolo.

    ๐ŸŒ Translations

    • โšก๏ธ ๐ŸŒ Update translations for fr (update-outdated). PR #15897 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for ja (update-outdated). PR #15895 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for zh-hant (update-outdated). PR #15896 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for de (update-outdated). PR #15899 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for es (update-outdated). PR #15892 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for tr (update-outdated). PR #15891 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for pt (update-outdated). PR #15893 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for zh (update-outdated). PR #15898 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for uk (update-outdated). PR #15900 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for ko (update-outdated). PR #15890 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for ru (update-outdated). PR #15894 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for ko (add-missing). PR #15888 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for es (add-missing). PR #15880 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for zh-hant (add-missing). PR #15889 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for pt (add-missing). PR #15883 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for zh (add-missing). PR #15885 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for ja (add-missing). PR #15882 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for tr (add-missing). PR #15887 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for uk (add-missing). PR #15886 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for fr (add-missing). PR #15881 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for de (add-missing). PR #15884 by @tiangolo.
    • โšก๏ธ ๐ŸŒ Update translations for ru (add-missing). PR #15879 by @tiangolo.

    Internal

    • โšก๏ธ ๐Ÿ‘ฅ Update FastAPI People - Experts. PR #15909 by @tiangolo.
    • โšก๏ธ ๐Ÿ‘ฅ Update FastAPI GitHub topic repositories. PR #15906 by @tiangolo.
    • โšก๏ธ ๐Ÿ‘ฅ Update FastAPI People - Contributors and Translators. PR #15878 by @tiangolo.
    • ๐Ÿšš ๐Ÿ‘ท Remove not needed allow-unsafe-pr-checkout: true. PR #15876 by @YuriiMotov.
    • โšก๏ธ โฌ† Bump the github-actions group with 5 updates. PR #15872 by @dependabot[bot].
    • โšก๏ธ โฌ† Bump the python-packages group across 1 directory with 10 updates. PR #15870 by @dependabot[bot].
    • โฌ† Bump CodSpeedHQ/action from 4.17.0 to 4.17.5 in the github-actions group. PR #15826 by @dependabot[bot].