Fixes

• 🐛 Fix OpenAPI schema support for computed fields when usingseparate_input_output_schemas=False. PR#13207 by@vgrafe.

Docs

• 📝 Fix docstring ofservers parameter. PR#14405 by@YuriiMotov.

Fixes

• 🐛 Fix Query\Header\Cookie parameter model alias. PR#14360 by@YuriiMotov.
• 🐛 Fix optional sequence handling inserialize sequence value with Pydantic V2. PR#14297 by@YuriiMotov.

Fixes

• 🐛 Fix unformatted{type_} in FastAPIError. PR#14416 by@Just-Helpful.
• 🐛 Fix parsing extra non-body parameter list. PR#14356 by@YuriiMotov.
• 🐛 Fix parsing extraForm parameter list. PR#14303 by@YuriiMotov.
• 🐛 Fix support for form values with empty strings interpreted as missing (None if that's the default), for compatibility with HTML forms. PR#13537 by@MarinPostma.

Docs

• 📝 Add tip on how to installpip in case ofNo module named pip error invirtual-environments.md. PR#14211 by@zadevhub.
• 📝 Update Primary Key notes for the SQL databases tutorial to avoid confusion. PR#14120 by@FlaviusRaducu.
• 📝 Clarify estimation note in documentation. PR#14070 by@SaisakthiM.

Fixes

• 🐛 Avoid accessing non-existing "$ref" key for Pydantic v2 compat remapping. PR#14361 by@svlandeg.
• 🐛 FixTypeError when encoding a decimal with aNaN orInfinity value. PR#12935 by@kentwelcome.

Internal

• 🐛 Fix Windows UnicodeEncodeError in CLI test. PR#14295 by@hemanth-thirthahalli.
• 🔧 Update sponsors: add Greptile. PR#14429 by@tiangolo.
• 👥 Update FastAPI GitHub topic repositories. PR#14426 by@tiangolo.
• ⬆ Bump markdown-include-variants from 0.0.6 to 0.0.7. PR#14423 by@YuriiMotov.
• 👥 Update FastAPI People - Sponsors. PR#14422 by@tiangolo.
• 👥 Update FastAPI People - Contributors and Translators. PR#14420 by@tiangolo.

Fixes

• 🐛 Cache dependencies that don't use scopes and don't have sub-dependencies with scopes. PR#14419 by@tiangolo.

Fixes

• 🐛 Fix hierarchical security scope propagation. PR#5624 by@kristjanvalur.

Docs

• 💅 Update CSS to explicitly use emoji font. PR#14415 by@tiangolo.

Internal

• ⬆ Bump markdown-include-variants from 0.0.5 to 0.0.6. PR#14418 by@YuriiMotov.

Fixes

• 🐛 Use401 status code in security classes when credentials are missing. PR#13786 by@YuriiMotov.
  • If your code depended on these classes raising the old (less correct)403 status code, check the new docs about how to override the classes, to use the same old behavior:Use Old 403 Authentication Error Status Codes.

Internal

• 🔧 Configure labeler to exclude files that start from underscore forlang-all label. PR#14213 by@YuriiMotov.
• 👷 Add pre-commit config with local script for permalinks. PR#14398 by@tiangolo.
• 💄 Use font Fira Code to fix display of Rich panels in docs in Windows. PR#14387 by@tiangolo.
• 👷 Add custom pre-commit CI. PR#14397 by@tiangolo.
• ⬆ Bump actions/checkout from 5 to 6. PR#14381 by@dependabot[bot].
• 👷 Upgradelatest-changes GitHub Action and pinactions/checkout@v5. PR#14403 by@svlandeg.
• 🛠️ Addadd-permalinks andadd-permalinks-page toscripts/docs.py. PR#14033 by@YuriiMotov.
• 🔧 Upgrade Material for MkDocs and remove insiders. PR#14375 by@tiangolo.

0.121.3

Refactors

• ♻️ Make the result ofDepends() andSecurity() hashable, as a workaround for other tools interacting with these internal parts. PR#14372 by@tiangolo.

Upgrades

• ⬆️ Bump Starlette to <0.51.0. PR#14282 by@musicinmybrain.

Docs

• 📝 Add missing hash part. PR#14369 by@nilslindemann.
• 📝 Fix typos in code comments. PR#14364 by@Edge-Seven.
• 📝 Add docs for using FastAPI Cloud. PR#14359 by@tiangolo.

Fixes

• 🐛 Fix handling of JSON Schema attributes named "$ref". PR#14349 by@tiangolo.

Docs

• 📝 Add EuroPython talk & podcast episode with Sebastián Ramírez. PR#14260 by@clytaemnestra.
• ✏️ Fix links and add missing permalink in docs. PR#14217 by@YuriiMotov.

Translations

• 🌐 Update Portuguese translations with LLM prompt. PR#14228 by@ceb10n.
• 🔨 Add Portuguese translations LLM prompt. PR#14208 by@ceb10n.
• 🌐 Sync Russian docs. PR#14331 by@YuriiMotov.
• 🌐 Sync German docs. PR#14317 by@nilslindemann.

Fixes

• 🐛 FixDepends(func, scope='function') for top level (parameterless) dependencies. PR#14301 by@luzzodev.

Docs

• 📝 Upate docs for advanced dependencies withyield, noting the changes in 0.121.0, addingscope. PR#14287 by@tiangolo.

Internal

• ⬆ Bump ruff from 0.13.2 to 0.14.3. PR#14276 by@dependabot[bot].
• ⬆ [pre-commit.ci] pre-commit autoupdate. PR#14289 by@pre-commit-ci[bot].