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This PR pins fastapi to the latest release 0.90.0.

Changelog

0.90.0

Upgrades

* ⬆️ Bump Starlette from 0.22.0 to 0.23.0. Initial PR [5739](https://github.com/tiangolo/fastapi/pull/5739) by [Kludex](https://github.com/Kludex).

Docs

* 📝 Add article "Tortoise ORM / FastAPI 整合快速筆記" to External Links. PR [5496](https://github.com/tiangolo/fastapi/pull/5496) by [Leon0824](https://github.com/Leon0824).
* 👥 Update FastAPI People. PR [5954](https://github.com/tiangolo/fastapi/pull/5954) by [github-actions[bot]](https://github.com/apps/github-actions).
* 📝 Micro-tweak help docs. PR [5960](https://github.com/tiangolo/fastapi/pull/5960) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update new issue chooser to direct to GitHub Discussions. PR [5948](https://github.com/tiangolo/fastapi/pull/5948) by [tiangolo](https://github.com/tiangolo).
* 📝 Recommend GitHub Discussions for questions. PR [5944](https://github.com/tiangolo/fastapi/pull/5944) by [tiangolo](https://github.com/tiangolo).

Translations

* 🌐 Add Russian translation for `docs/ru/docs/tutorial/body-fields.md`. PR [5898](https://github.com/tiangolo/fastapi/pull/5898) by [simatheone](https://github.com/simatheone).
* 🌐 Add Russian translation for `docs/ru/docs/help-fastapi.md`. PR [5970](https://github.com/tiangolo/fastapi/pull/5970) by [tiangolo](https://github.com/tiangolo).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/static-files.md`. PR [5858](https://github.com/tiangolo/fastapi/pull/5858) by [batlopes](https://github.com/batlopes).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/encoder.md`. PR [5525](https://github.com/tiangolo/fastapi/pull/5525) by [felipebpl](https://github.com/felipebpl).
* 🌐 Add Russian translation for `docs/ru/docs/contributing.md`. PR [5870](https://github.com/tiangolo/fastapi/pull/5870) by [Xewus](https://github.com/Xewus).

Internal

* ⬆️ Upgrade Ubuntu version for docs workflow. PR [5971](https://github.com/tiangolo/fastapi/pull/5971) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update sponsors badges. PR [5943](https://github.com/tiangolo/fastapi/pull/5943) by [tiangolo](https://github.com/tiangolo).
* ✨ Compute FastAPI Experts including GitHub Discussions. PR [5941](https://github.com/tiangolo/fastapi/pull/5941) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade isort and update pre-commit. PR [5940](https://github.com/tiangolo/fastapi/pull/5940) by [tiangolo](https://github.com/tiangolo).
* 🔧 Add template for questions in Discussions. PR [5920](https://github.com/tiangolo/fastapi/pull/5920) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update Sponsor Budget Insight to Powens. PR [5916](https://github.com/tiangolo/fastapi/pull/5916) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update GitHub Sponsors badge data. PR [5915](https://github.com/tiangolo/fastapi/pull/5915) by [tiangolo](https://github.com/tiangolo).

0.89.1

Fixes

* 🐛 Ignore Response classes on return annotation. PR [5855](https://github.com/tiangolo/fastapi/pull/5855) by [Kludex](https://github.com/Kludex). See the new docs in the PR below.

Docs

* 📝 Update docs and examples for Response Model with Return Type Annotations, and update runtime error. PR [5873](https://github.com/tiangolo/fastapi/pull/5873) by [tiangolo](https://github.com/tiangolo). New docs at [Response Model - Return Type: Other Return Type Annotations](https://fastapi.tiangolo.com/tutorial/response-model/#other-return-type-annotations).
* 📝 Add External Link: FastAPI lambda container: serverless simplified. PR [5784](https://github.com/tiangolo/fastapi/pull/5784) by [rafrasenberg](https://github.com/rafrasenberg).

Translations

* 🌐 Add Turkish translation for `docs/tr/docs/tutorial/first_steps.md`. PR [5691](https://github.com/tiangolo/fastapi/pull/5691) by [Kadermiyanyedi](https://github.com/Kadermiyanyedi).

0.89.0

Features

* ✨ Add support for function return type annotations to declare the `response_model`. Initial PR [1436](https://github.com/tiangolo/fastapi/pull/1436) by [uriyyo](https://github.com/uriyyo).

Now you can declare the return type / `response_model` in the function return type annotation:

python
from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
 name: str
 price: float


app.get("/items/")
async def read_items() -> list[Item]:
 return [
     Item(name="Portal Gun", price=42.0),
     Item(name="Plumbus", price=32.0),
 ]


FastAPI will use the return type annotation to perform:

* Data validation
* Automatic documentation
 * It could power automatic client generators
* **Data filtering**

Before this version it was only supported via the `response_model` parameter.

Read more about it in the new docs: [Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/).

Docs

* 📝 Add External Link: Authorization on FastAPI with Casbin. PR [5712](https://github.com/tiangolo/fastapi/pull/5712) by [Xhy-5000](https://github.com/Xhy-5000).
* ✏ Fix typo in `docs/en/docs/async.md`. PR [5785](https://github.com/tiangolo/fastapi/pull/5785) by [Kingdageek](https://github.com/Kingdageek).
* ✏ Fix typo in `docs/en/docs/deployment/concepts.md`. PR [5824](https://github.com/tiangolo/fastapi/pull/5824) by [kelbyfaessler](https://github.com/kelbyfaessler).

Translations

* 🌐 Add Russian translation for `docs/ru/docs/fastapi-people.md`. PR [5577](https://github.com/tiangolo/fastapi/pull/5577) by [Xewus](https://github.com/Xewus).
* 🌐 Fix typo in Chinese translation for `docs/zh/docs/benchmarks.md`. PR [4269](https://github.com/tiangolo/fastapi/pull/4269) by [15027668g](https://github.com/15027668g).
* 🌐 Add Korean translation for `docs/tutorial/cors.md`. PR [3764](https://github.com/tiangolo/fastapi/pull/3764) by [NinaHwang](https://github.com/NinaHwang).

Internal

* ⬆ Update coverage[toml] requirement from <7.0,>=6.5.0 to >=6.5.0,<8.0. PR [5801](https://github.com/tiangolo/fastapi/pull/5801) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Update uvicorn[standard] requirement from <0.19.0,>=0.12.0 to >=0.12.0,<0.21.0 for development. PR [5795](https://github.com/tiangolo/fastapi/pull/5795) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump dawidd6/action-download-artifact from 2.24.2 to 2.24.3. PR [5842](https://github.com/tiangolo/fastapi/pull/5842) by [dependabot[bot]](https://github.com/apps/dependabot).
* 👥 Update FastAPI People. PR [5825](https://github.com/tiangolo/fastapi/pull/5825) by [github-actions[bot]](https://github.com/apps/github-actions).
* ⬆ Bump types-ujson from 5.5.0 to 5.6.0.0. PR [5735](https://github.com/tiangolo/fastapi/pull/5735) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump pypa/gh-action-pypi-publish from 1.5.2 to 1.6.4. PR [5750](https://github.com/tiangolo/fastapi/pull/5750) by [dependabot[bot]](https://github.com/apps/dependabot).
* 👷 Add GitHub Action gate/check. PR [5492](https://github.com/tiangolo/fastapi/pull/5492) by [webknjaz](https://github.com/webknjaz).
* 🔧 Update sponsors, add Svix. PR [5848](https://github.com/tiangolo/fastapi/pull/5848) by [tiangolo](https://github.com/tiangolo).
* 🔧 Remove Doist sponsor. PR [5847](https://github.com/tiangolo/fastapi/pull/5847) by [tiangolo](https://github.com/tiangolo).
* ⬆ Update sqlalchemy requirement from <=1.4.41,>=1.3.18 to >=1.3.18,<1.4.43. PR [5540](https://github.com/tiangolo/fastapi/pull/5540) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump nwtgck/actions-netlify from 1.2.4 to 2.0.0. PR [5757](https://github.com/tiangolo/fastapi/pull/5757) by [dependabot[bot]](https://github.com/apps/dependabot).
* 👷 Refactor CI artifact upload/download for docs previews. PR [5793](https://github.com/tiangolo/fastapi/pull/5793) by [tiangolo](https://github.com/tiangolo).
* ⬆ Bump pypa/gh-action-pypi-publish from 1.5.1 to 1.5.2. PR [5714](https://github.com/tiangolo/fastapi/pull/5714) by [dependabot[bot]](https://github.com/apps/dependabot).
* 👥 Update FastAPI People. PR [5722](https://github.com/tiangolo/fastapi/pull/5722) by [github-actions[bot]](https://github.com/apps/github-actions).
* 🔧 Update sponsors, disable course bundle. PR [5713](https://github.com/tiangolo/fastapi/pull/5713) by [tiangolo](https://github.com/tiangolo).
* ⬆ Update typer[all] requirement from <0.7.0,>=0.6.1 to >=0.6.1,<0.8.0. PR [5639](https://github.com/tiangolo/fastapi/pull/5639) by [dependabot[bot]](https://github.com/apps/dependabot).

0.88.0

Upgrades

* ⬆ Bump Starlette to version `0.22.0` to fix bad encoding for query parameters in new `TestClient`. PR [5659](https://github.com/tiangolo/fastapi/pull/5659) by [azogue](https://github.com/azogue).

Docs

* ✏️ Fix typo in docs for `docs/en/docs/advanced/middleware.md`. PR [5376](https://github.com/tiangolo/fastapi/pull/5376) by [rifatrakib](https://github.com/rifatrakib).

Translations

* 🌐 Add Portuguese translation for `docs/pt/docs/deployment/docker.md`. PR [5663](https://github.com/tiangolo/fastapi/pull/5663) by [ayr-ton](https://github.com/ayr-ton).

Internal

* 👷 Tweak build-docs to improve CI performance. PR [5699](https://github.com/tiangolo/fastapi/pull/5699) by [tiangolo](https://github.com/tiangolo).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5566](https://github.com/tiangolo/fastapi/pull/5566) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* ⬆️ Upgrade Ruff. PR [5698](https://github.com/tiangolo/fastapi/pull/5698) by [tiangolo](https://github.com/tiangolo).
* 👷 Remove pip cache for Smokeshow as it depends on a requirements.txt. PR [5700](https://github.com/tiangolo/fastapi/pull/5700) by [tiangolo](https://github.com/tiangolo).
* 💚 Fix pip cache for Smokeshow. PR [5697](https://github.com/tiangolo/fastapi/pull/5697) by [tiangolo](https://github.com/tiangolo).
* 👷 Fix and tweak CI cache handling. PR [5696](https://github.com/tiangolo/fastapi/pull/5696) by [tiangolo](https://github.com/tiangolo).
* 👷 Update `setup-python` action in tests to use new caching feature. PR [5680](https://github.com/tiangolo/fastapi/pull/5680) by [madkinsz](https://github.com/madkinsz).
* ⬆ Bump black from 22.8.0 to 22.10.0. PR [5569](https://github.com/tiangolo/fastapi/pull/5569) by [dependabot[bot]](https://github.com/apps/dependabot).

0.87.0

Highlights of this release:

* [Upgraded Starlette](https://github.com/encode/starlette/releases/tag/0.21.0)
 * Now the `TestClient` is based on HTTPX instead of Requests. 🚀
 * There are some possible **breaking changes** in the `TestClient` usage, but [Kludex](https://github.com/Kludex) built [bump-testclient](https://github.com/Kludex/bump-testclient) to help you automatize migrating your tests. Make sure you are using Git and that you can undo any unnecessary changes (false positive changes, etc) before using `bump-testclient`.
* New [WebSocketException (and docs)](https://fastapi.tiangolo.com/advanced/websockets/#using-depends-and-others), re-exported from Starlette.
* Upgraded and relaxed dependencies for package extras `all` (including new Uvicorn version), when you install `"fastapi[all]"`.
* New docs about how to [**Help Maintain FastAPI**](https://fastapi.tiangolo.com/help-fastapi/#help-maintain-fastapi).

Features

* ⬆️ Upgrade and relax dependencies for extras "all". PR [5634](https://github.com/tiangolo/fastapi/pull/5634) by [tiangolo](https://github.com/tiangolo).
* ✨ Re-export Starlette's `WebSocketException` and add it to docs. PR [5629](https://github.com/tiangolo/fastapi/pull/5629) by [tiangolo](https://github.com/tiangolo).
* 📝 Update references to Requests for tests to HTTPX, and add HTTPX to extras. PR [5628](https://github.com/tiangolo/fastapi/pull/5628) by [tiangolo](https://github.com/tiangolo).
* ⬆ Upgrade Starlette to `0.21.0`, including the new [`TestClient` based on HTTPX](https://github.com/encode/starlette/releases/tag/0.21.0). PR [#5471](https://github.com/tiangolo/fastapi/pull/5471) by [pawelrubin](https://github.com/pawelrubin).

Docs

* ✏️ Tweak Help FastAPI from PR review after merging. PR [5633](https://github.com/tiangolo/fastapi/pull/5633) by [tiangolo](https://github.com/tiangolo).
* ✏️  Clarify docs on CORS. PR [5627](https://github.com/tiangolo/fastapi/pull/5627) by [paxcodes](https://github.com/paxcodes).
* 📝 Update Help FastAPI: Help Maintain FastAPI. PR [5632](https://github.com/tiangolo/fastapi/pull/5632) by [tiangolo](https://github.com/tiangolo).

Translations

* 🌐 Fix highlight lines for Japanese translation for `docs/tutorial/query-params.md`. PR [2969](https://github.com/tiangolo/fastapi/pull/2969) by [ftnext](https://github.com/ftnext).
* 🌐 Add French translation for `docs/fr/docs/advanced/additional-status-code.md`. PR [5477](https://github.com/tiangolo/fastapi/pull/5477) by [axel584](https://github.com/axel584).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/request-forms-and-files.md`. PR [5579](https://github.com/tiangolo/fastapi/pull/5579) by [batlopes](https://github.com/batlopes).
* 🌐 Add Japanese translation for `docs/ja/docs/advanced/websockets.md`. PR [4983](https://github.com/tiangolo/fastapi/pull/4983) by [xryuseix](https://github.com/xryuseix).

Internal

* ✨ Use Ruff for linting. PR [5630](https://github.com/tiangolo/fastapi/pull/5630) by [tiangolo](https://github.com/tiangolo).
* 🛠 Add Arabic issue number to Notify Translations GitHub Action. PR [5610](https://github.com/tiangolo/fastapi/pull/5610) by [tiangolo](https://github.com/tiangolo).
* ⬆ Bump dawidd6/action-download-artifact from 2.24.1 to 2.24.2. PR [5609](https://github.com/tiangolo/fastapi/pull/5609) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump dawidd6/action-download-artifact from 2.24.0 to 2.24.1. PR [5603](https://github.com/tiangolo/fastapi/pull/5603) by [dependabot[bot]](https://github.com/apps/dependabot).
* 📝 Update coverage badge to use Samuel Colvin's Smokeshow. PR [5585](https://github.com/tiangolo/fastapi/pull/5585) by [tiangolo](https://github.com/tiangolo).

0.86.0

Features

* ⬆ Add Python 3.11 to the officially supported versions. PR [5587](https://github.com/tiangolo/fastapi/pull/5587) by [tiangolo](https://github.com/tiangolo).
* ✅ Enable tests for Python 3.11. PR [4881](https://github.com/tiangolo/fastapi/pull/4881) by [tiangolo](https://github.com/tiangolo).

Fixes

* 🐛 Close FormData (uploaded files) after the request is done. PR [5465](https://github.com/tiangolo/fastapi/pull/5465) by [adriangb](https://github.com/adriangb).

Docs

* ✏ Fix typo in `docs/en/docs/tutorial/security/oauth2-jwt.md`. PR [5584](https://github.com/tiangolo/fastapi/pull/5584) by [vivekashok1221](https://github.com/vivekashok1221).

Translations

* 🌐 Update wording in Chinese translation for `docs/zh/docs/python-types.md`. PR [5416](https://github.com/tiangolo/fastapi/pull/5416) by [supercaizehua](https://github.com/supercaizehua).
* 🌐 Add Russian translation for `docs/ru/docs/deployment/index.md`. PR [5336](https://github.com/tiangolo/fastapi/pull/5336) by [Xewus](https://github.com/Xewus).
* 🌐 Update Chinese translation for `docs/tutorial/security/oauth2-jwt.md`. PR [3846](https://github.com/tiangolo/fastapi/pull/3846) by [jaystone776](https://github.com/jaystone776).

Internal

* 👷 Update FastAPI People to exclude bots: pre-commit-ci, dependabot. PR [5586](https://github.com/tiangolo/fastapi/pull/5586) by [tiangolo](https://github.com/tiangolo).
* 🎨 Format OpenAPI JSON in `test_starlette_exception.py`. PR [5379](https://github.com/tiangolo/fastapi/pull/5379) by [iudeen](https://github.com/iudeen).
* 👷 Switch from Codecov to Smokeshow plus pytest-cov to pure coverage for internal tests. PR [5583](https://github.com/tiangolo/fastapi/pull/5583) by [tiangolo](https://github.com/tiangolo).
* 👥 Update FastAPI People. PR [5571](https://github.com/tiangolo/fastapi/pull/5571) by [github-actions[bot]](https://github.com/apps/github-actions).

0.85.2

**Note**: this release doesn't affect final users, it's mainly internal. It unlocks Pydanitc work with the integration that runs FastAPI's tests in Pydantic's CI.

Docs

* ✏ Fix grammar and add helpful links to dependencies in `docs/en/docs/async.md`. PR [5432](https://github.com/tiangolo/fastapi/pull/5432) by [pamelafox](https://github.com/pamelafox).
* ✏ Fix broken link in `alternatives.md`. PR [5455](https://github.com/tiangolo/fastapi/pull/5455) by [su-shubham](https://github.com/su-shubham).
* ✏ Fix typo in docs about contributing, for compatibility with `pip` in Zsh. PR [5523](https://github.com/tiangolo/fastapi/pull/5523) by [zhangbo2012](https://github.com/zhangbo2012).
* 📝 Fix typo in docs with examples for Python 3.10 instead of 3.9. PR [5545](https://github.com/tiangolo/fastapi/pull/5545) by [feliciss](https://github.com/feliciss).

Translations

* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/request-forms.md`. PR [4934](https://github.com/tiangolo/fastapi/pull/4934) by [batlopes](https://github.com/batlopes).
* 🌐 Add Chinese translation for `docs/zh/docs/tutorial/dependencies/classes-as-dependencies.md`. PR [4971](https://github.com/tiangolo/fastapi/pull/4971) by [Zssaer](https://github.com/Zssaer).
* 🌐 Add French translation for `deployment/deta.md`. PR [3692](https://github.com/tiangolo/fastapi/pull/3692) by [rjNemo](https://github.com/rjNemo).
* 🌐 Update Chinese translation for `docs/zh/docs/tutorial/query-params-str-validations.md`. PR [5255](https://github.com/tiangolo/fastapi/pull/5255) by [hjlarry](https://github.com/hjlarry).
* 🌐 Add Chinese translation for `docs/zh/docs/tutorial/sql-databases.md`. PR [4999](https://github.com/tiangolo/fastapi/pull/4999) by [Zssaer](https://github.com/Zssaer).
* 🌐 Add Chinese translation for `docs/zh/docs/advanced/wsgi.md`. PR [4505](https://github.com/tiangolo/fastapi/pull/4505) by [ASpathfinder](https://github.com/ASpathfinder).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/body-multiple-params.md`. PR [4111](https://github.com/tiangolo/fastapi/pull/4111) by [lbmendes](https://github.com/lbmendes).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/path-params-numeric-validations.md`. PR [4099](https://github.com/tiangolo/fastapi/pull/4099) by [lbmendes](https://github.com/lbmendes).
* 🌐 Add French translation for `deployment/versions.md`. PR [3690](https://github.com/tiangolo/fastapi/pull/3690) by [rjNemo](https://github.com/rjNemo).
* 🌐 Add French translation for `docs/fr/docs/help-fastapi.md`. PR [2233](https://github.com/tiangolo/fastapi/pull/2233) by [JulianMaurin](https://github.com/JulianMaurin).
* 🌐 Fix typo in Chinese translation for `docs/zh/docs/tutorial/security/first-steps.md`. PR [5530](https://github.com/tiangolo/fastapi/pull/5530) by [yuki1sntSnow](https://github.com/yuki1sntSnow).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/response-status-code.md`. PR [4922](https://github.com/tiangolo/fastapi/pull/4922) by [batlopes](https://github.com/batlopes).
* 🔧 Add config for Tamil translations. PR [5563](https://github.com/tiangolo/fastapi/pull/5563) by [tiangolo](https://github.com/tiangolo).

Internal

* ⬆ Bump internal dependency mypy from 0.971 to 0.982. PR [5541](https://github.com/tiangolo/fastapi/pull/5541) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump nwtgck/actions-netlify from 1.2.3 to 1.2.4. PR [5507](https://github.com/tiangolo/fastapi/pull/5507) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump internal dependency types-ujson from 5.4.0 to 5.5.0. PR [5537](https://github.com/tiangolo/fastapi/pull/5537) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump dawidd6/action-download-artifact from 2.23.0 to 2.24.0. PR [5508](https://github.com/tiangolo/fastapi/pull/5508) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Update internal dependency pytest-cov requirement from <4.0.0,>=2.12.0 to >=2.12.0,<5.0.0. PR [5539](https://github.com/tiangolo/fastapi/pull/5539) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5536](https://github.com/tiangolo/fastapi/pull/5536) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* 🐛 Fix internal Trio test warnings. PR [5547](https://github.com/tiangolo/fastapi/pull/5547) by [samuelcolvin](https://github.com/samuelcolvin).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5408](https://github.com/tiangolo/fastapi/pull/5408) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* ⬆️ Upgrade Typer to include Rich in scripts for docs. PR [5502](https://github.com/tiangolo/fastapi/pull/5502) by [tiangolo](https://github.com/tiangolo).
* 🐛 Fix calling `mkdocs` for languages as a subprocess to fix/enable MkDocs Material search plugin. PR [5501](https://github.com/tiangolo/fastapi/pull/5501) by [tiangolo](https://github.com/tiangolo).

0.85.1

Fixes

* 🐛 Fix support for strings in OpenAPI status codes: `default`, `1XX`, `2XX`, `3XX`, `4XX`, `5XX`. PR [5187](https://github.com/tiangolo/fastapi/pull/5187) by [JarroVGIT](https://github.com/JarroVGIT).

Docs

* 📝 Add WayScript x FastAPI Tutorial to External Links section. PR [5407](https://github.com/tiangolo/fastapi/pull/5407) by [moneeka](https://github.com/moneeka).

Internal

* 👥 Update FastAPI People. PR [5447](https://github.com/tiangolo/fastapi/pull/5447) by [github-actions[bot]](https://github.com/apps/github-actions).
* 🔧 Disable Material for MkDocs search plugin. PR [5495](https://github.com/tiangolo/fastapi/pull/5495) by [tiangolo](https://github.com/tiangolo).
* 🔇 Ignore Trio warning in tests for CI. PR [5483](https://github.com/tiangolo/fastapi/pull/5483) by [samuelcolvin](https://github.com/samuelcolvin).

0.85.0

Features

* ⬆ Upgrade version required of Starlette from `0.19.1` to `0.20.4`. Initial PR [4820](https://github.com/tiangolo/fastapi/pull/4820) by [Kludex](https://github.com/Kludex).
 * This includes several bug fixes in Starlette.
* ⬆️ Upgrade Uvicorn max version in public extras: all. From `>=0.12.0,<0.18.0` to `>=0.12.0,<0.19.0`. PR [5401](https://github.com/tiangolo/fastapi/pull/5401) by [tiangolo](https://github.com/tiangolo).

Internal

* ⬆️ Upgrade dependencies for doc and dev internal extras: Typer, Uvicorn. PR [5400](https://github.com/tiangolo/fastapi/pull/5400) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade test dependencies: Black, HTTPX, databases, types-ujson. PR [5399](https://github.com/tiangolo/fastapi/pull/5399) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade mypy and tweak internal type annotations. PR [5398](https://github.com/tiangolo/fastapi/pull/5398) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update test dependencies, upgrade Pytest, move dependencies from dev to test. PR [5396](https://github.com/tiangolo/fastapi/pull/5396) by [tiangolo](https://github.com/tiangolo).

0.84.0

Breaking Changes

This version of FastAPI drops support for Python 3.6. 🔥 Please upgrade to a supported version of Python (3.7 or above), Python 3.6 reached the end-of-life a long time ago. 😅☠

* 🔧 Update package metadata, drop support for Python 3.6, move build internals from Flit to Hatch. PR [5240](https://github.com/tiangolo/fastapi/pull/5240) by [ofek](https://github.com/ofek).

0.83.0

🚨 This is probably the last release (or one of the last releases) to support Python 3.6. 🔥

Python 3.6 reached the [end-of-life and is no longer supported by Python](https://www.python.org/downloads/release/python-3615/) since around a year ago.

You hopefully updated to a supported version of Python a while ago. If you haven't, you really should.

Features

* ✨ Add support in `jsonable_encoder` for include and exclude with dataclasses. PR [4923](https://github.com/tiangolo/fastapi/pull/4923) by [DCsunset](https://github.com/DCsunset).

Fixes

* 🐛 Fix `RuntimeError` raised when `HTTPException` has a status code with no content. PR [5365](https://github.com/tiangolo/fastapi/pull/5365) by [iudeen](https://github.com/iudeen).
* 🐛 Fix empty reponse body when default `status_code` is empty but the a `Response` parameter with `response.status_code` is set. PR [5360](https://github.com/tiangolo/fastapi/pull/5360) by [tmeckel](https://github.com/tmeckel).

Docs

* 📝 Update `SECURITY.md`. PR [5377](https://github.com/tiangolo/fastapi/pull/5377) by [Kludex](https://github.com/Kludex).

Internal

* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5352](https://github.com/tiangolo/fastapi/pull/5352) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).

0.82.0

🚨 This is probably the last release (or one of the last releases) to support Python 3.6. 🔥

Python 3.6 reached the [end-of-life and is no longer supported by Python](https://www.python.org/downloads/release/python-3615/) since around a year ago.

You hopefully updated to a supported version of Python a while ago. If you haven't, you really should.

Features

* ✨ Export `WebSocketState` in `fastapi.websockets`. PR [4376](https://github.com/tiangolo/fastapi/pull/4376) by [matiuszka](https://github.com/matiuszka).
* ✨ Support Python internal description on Pydantic model's docstring. PR [3032](https://github.com/tiangolo/fastapi/pull/3032) by [Kludex](https://github.com/Kludex).
* ✨ Update `ORJSONResponse` to support non `str` keys and serializing Numpy arrays. PR [3892](https://github.com/tiangolo/fastapi/pull/3892) by [baby5](https://github.com/baby5).

Fixes

* 🐛 Allow exit code for dependencies with `yield` to always execute, by removing capacity limiter for them, to e.g. allow closing DB connections without deadlocks. PR [5122](https://github.com/tiangolo/fastapi/pull/5122) by [adriangb](https://github.com/adriangb).
* 🐛 Fix FastAPI People GitHub Action: set HTTPX timeout for GraphQL query request. PR [5222](https://github.com/tiangolo/fastapi/pull/5222) by [iudeen](https://github.com/iudeen).
* 🐛 Make sure a parameter defined as required is kept required in OpenAPI even if defined as optional in another dependency. PR [4319](https://github.com/tiangolo/fastapi/pull/4319) by [cd17822](https://github.com/cd17822).
* 🐛 Fix support for path parameters in WebSockets. PR [3879](https://github.com/tiangolo/fastapi/pull/3879) by [davidbrochart](https://github.com/davidbrochart).

Docs

* ✏ Update Hypercorn link, now pointing to GitHub. PR [5346](https://github.com/tiangolo/fastapi/pull/5346) by [baconfield](https://github.com/baconfield).
* ✏ Tweak wording in `docs/en/docs/advanced/dataclasses.md`. PR [3698](https://github.com/tiangolo/fastapi/pull/3698) by [pfackeldey](https://github.com/pfackeldey).
* 📝 Add note about Python 3.10 `X | Y` operator in explanation about Response Models. PR [5307](https://github.com/tiangolo/fastapi/pull/5307) by [MendyLanda](https://github.com/MendyLanda).
* 📝 Add link to New Relic article: "How to monitor FastAPI application performance using Python agent". PR [5260](https://github.com/tiangolo/fastapi/pull/5260) by [sjyothi54](https://github.com/sjyothi54).
* 📝 Update docs for `ORJSONResponse` with details about improving performance. PR [2615](https://github.com/tiangolo/fastapi/pull/2615) by [falkben](https://github.com/falkben).
* 📝 Add docs for creating a custom Response class. PR [5331](https://github.com/tiangolo/fastapi/pull/5331) by [tiangolo](https://github.com/tiangolo).
* 📝 Add tip about using alias for form data fields. PR [5329](https://github.com/tiangolo/fastapi/pull/5329) by [tiangolo](https://github.com/tiangolo).

Translations

* 🌐 Add Russian translation for `docs/ru/docs/features.md`. PR [5315](https://github.com/tiangolo/fastapi/pull/5315) by [Xewus](https://github.com/Xewus).
* 🌐 Update Chinese translation for `docs/zh/docs/tutorial/request-files.md`. PR [4529](https://github.com/tiangolo/fastapi/pull/4529) by [ASpathfinder](https://github.com/ASpathfinder).
* 🌐 Add Chinese translation for `docs/zh/docs/tutorial/encoder.md`. PR [4969](https://github.com/tiangolo/fastapi/pull/4969) by [Zssaer](https://github.com/Zssaer).
* 🌐 Fix MkDocs file line for Portuguese translation of `background-task.md`. PR [5242](https://github.com/tiangolo/fastapi/pull/5242) by [ComicShrimp](https://github.com/ComicShrimp).

Internal

* 👥 Update FastAPI People. PR [5347](https://github.com/tiangolo/fastapi/pull/5347) by [github-actions[bot]](https://github.com/apps/github-actions).
* ⬆ Bump dawidd6/action-download-artifact from 2.22.0 to 2.23.0. PR [5321](https://github.com/tiangolo/fastapi/pull/5321) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5318](https://github.com/tiangolo/fastapi/pull/5318) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* ✏ Fix a small code highlight line error. PR [5256](https://github.com/tiangolo/fastapi/pull/5256) by [hjlarry](https://github.com/hjlarry).
* ♻ Internal small refactor, move `operation_id` parameter position in delete method for consistency with the code. PR [4474](https://github.com/tiangolo/fastapi/pull/4474) by [hiel](https://github.com/hiel).
* 🔧 Update sponsors, disable ImgWhale. PR [5338](https://github.com/tiangolo/fastapi/pull/5338) by [tiangolo](https://github.com/tiangolo).

0.81.0

Features

* ✨ Add ReDoc `<noscript>` warning when JS is disabled. PR [5074](https://github.com/tiangolo/fastapi/pull/5074) by [evroon](https://github.com/evroon).
* ✨ Add support for `FrozenSet` in parameters (e.g. query). PR [2938](https://github.com/tiangolo/fastapi/pull/2938) by [juntatalor](https://github.com/juntatalor).
* ✨ Allow custom middlewares to raise `HTTPException`s and propagate them. PR [2036](https://github.com/tiangolo/fastapi/pull/2036) by [ghandic](https://github.com/ghandic).
* ✨ Preserve `json.JSONDecodeError` information when handling invalid JSON in request body, to support custom exception handlers that use its information. PR [4057](https://github.com/tiangolo/fastapi/pull/4057) by [UKnowWhoIm](https://github.com/UKnowWhoIm).

Fixes

* 🐛 Fix `jsonable_encoder` for dataclasses with pydantic-compatible fields. PR [3607](https://github.com/tiangolo/fastapi/pull/3607) by [himbeles](https://github.com/himbeles).
* 🐛 Fix support for extending `openapi_extras` with parameter lists. PR [4267](https://github.com/tiangolo/fastapi/pull/4267) by [orilevari](https://github.com/orilevari).

Docs

* ✏ Fix a simple typo in `docs/en/docs/python-types.md`. PR [5193](https://github.com/tiangolo/fastapi/pull/5193) by [GlitchingCore](https://github.com/GlitchingCore).
* ✏ Fix typos in `tests/test_schema_extra_examples.py`. PR [5126](https://github.com/tiangolo/fastapi/pull/5126) by [supraaxdd](https://github.com/supraaxdd).
* ✏ Fix typos in `docs/en/docs/tutorial/path-params-numeric-validations.md`. PR [5142](https://github.com/tiangolo/fastapi/pull/5142) by [invisibleroads](https://github.com/invisibleroads).
* 📝 Add step about upgrading pip in the venv to avoid errors when installing dependencies `docs/en/docs/contributing.md`. PR [5181](https://github.com/tiangolo/fastapi/pull/5181) by [edisnake](https://github.com/edisnake).
* ✏ Reword and clarify text in tutorial `docs/en/docs/tutorial/body-nested-models.md`. PR [5169](https://github.com/tiangolo/fastapi/pull/5169) by [papb](https://github.com/papb).
* ✏ Fix minor typo in `docs/en/docs/features.md`. PR [5206](https://github.com/tiangolo/fastapi/pull/5206) by [OtherBarry](https://github.com/OtherBarry).
* ✏ Fix minor typos in `docs/en/docs/async.md`. PR [5125](https://github.com/tiangolo/fastapi/pull/5125) by [Ksenofanex](https://github.com/Ksenofanex).
* 📝 Add external link to docs: "Fastapi, Docker(Docker compose) and Postgres". PR [5033](https://github.com/tiangolo/fastapi/pull/5033) by [krishnardt](https://github.com/krishnardt).
* 📝 Simplify example for docs for Additional Responses, remove unnecessary `else`. PR [4693](https://github.com/tiangolo/fastapi/pull/4693) by [adriangb](https://github.com/adriangb).
* 📝 Update docs, compare enums with identity instead of equality. PR [4905](https://github.com/tiangolo/fastapi/pull/4905) by [MicaelJarniac](https://github.com/MicaelJarniac).
* ✏ Fix typo in `docs/en/docs/python-types.md`. PR [4886](https://github.com/tiangolo/fastapi/pull/4886) by [MicaelJarniac](https://github.com/MicaelJarniac).
* 🎨 Fix syntax highlighting in docs for OpenAPI Callbacks. PR [4368](https://github.com/tiangolo/fastapi/pull/4368) by [xncbf](https://github.com/xncbf).
* ✏ Reword confusing sentence in docs file `typo-fix-path-params-numeric-validations.md`. PR [3219](https://github.com/tiangolo/fastapi/pull/3219) by [ccrenfroe](https://github.com/ccrenfroe).
* 📝 Update docs for handling HTTP Basic Auth with `secrets.compare_digest()` to account for non-ASCII characters. PR [3536](https://github.com/tiangolo/fastapi/pull/3536) by [lewoudar](https://github.com/lewoudar).
* 📝 Update docs for testing, fix examples with relative imports. PR [5302](https://github.com/tiangolo/fastapi/pull/5302) by [tiangolo](https://github.com/tiangolo).

Translations

* 🌐 Add Russian translation for `docs/ru/docs/index.md`. PR [5289](https://github.com/tiangolo/fastapi/pull/5289) by [impocode](https://github.com/impocode).
* 🌐 Add Russian translation for `docs/ru/docs/deployment/versions.md`. PR [4985](https://github.com/tiangolo/fastapi/pull/4985) by [emp7yhead](https://github.com/emp7yhead).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/header-params.md`. PR [4921](https://github.com/tiangolo/fastapi/pull/4921) by [batlopes](https://github.com/batlopes).
* 🌐 Update `ko/mkdocs.yml` for a missing link. PR [5020](https://github.com/tiangolo/fastapi/pull/5020) by [dalinaum](https://github.com/dalinaum).

Internal

* ⬆ Bump dawidd6/action-download-artifact from 2.21.1 to 2.22.0. PR [5258](https://github.com/tiangolo/fastapi/pull/5258) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5196](https://github.com/tiangolo/fastapi/pull/5196) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* 🔥 Delete duplicated tests in `tests/test_tutorial/test_sql_databases/test_sql_databases.py`. PR [5040](https://github.com/tiangolo/fastapi/pull/5040) by [raccoonyy](https://github.com/raccoonyy).
* ♻ Simplify internal RegEx in `fastapi/utils.py`. PR [5057](https://github.com/tiangolo/fastapi/pull/5057) by [pylounge](https://github.com/pylounge).
* 🔧 Fix Type hint of `auto_error` which does not need to be `Optional[bool]`. PR [4933](https://github.com/tiangolo/fastapi/pull/4933) by [DavidKimDY](https://github.com/DavidKimDY).
* 🔧 Update mypy config, use `strict = true` instead of manual configs. PR [4605](https://github.com/tiangolo/fastapi/pull/4605) by [michaeloliverx](https://github.com/michaeloliverx).
* ♻ Change a `dict()` for `{}` in `fastapi/utils.py`. PR [3138](https://github.com/tiangolo/fastapi/pull/3138) by [ShahriyarR](https://github.com/ShahriyarR).
* ♻ Move internal variable for errors in `jsonable_encoder` to put related code closer. PR [4560](https://github.com/tiangolo/fastapi/pull/4560) by [GuilleQP](https://github.com/GuilleQP).
* ♻ Simplify conditional assignment in `fastapi/dependencies/utils.py`. PR [4597](https://github.com/tiangolo/fastapi/pull/4597) by [cikay](https://github.com/cikay).
* ⬆ Upgrade version pin accepted for Flake8, for internal code, to `flake8 >=3.8.3,<6.0.0`. PR [4097](https://github.com/tiangolo/fastapi/pull/4097) by [jamescurtin](https://github.com/jamescurtin).
* 🍱 Update Jina banner, fix typo. PR [5301](https://github.com/tiangolo/fastapi/pull/5301) by [tiangolo](https://github.com/tiangolo).

0.80.0

Breaking Changes - Fixes

* 🐛 Fix `response_model` not invalidating `None`. PR [2725](https://github.com/tiangolo/fastapi/pull/2725) by [hukkin](https://github.com/hukkin).

If you are using `response_model` with some type that doesn't include `None` but the function is returning `None`, it will now raise an internal server error, because you are returning invalid data that violates the contract in `response_model`. Before this release it would allow breaking that contract returning `None`.

For example, if you have an app like this:

Python
from fastapi import FastAPI
from pydantic import BaseModel

class Item(BaseModel):
 name: str
 price: Optional[float] = None
 owner_ids: Optional[List[int]] = None

app = FastAPI()

app.get("/items/invalidnone", response_model=Item)
def get_invalid_none():
 return None


...calling the path `/items/invalidnone` will raise an error, because `None` is not a valid type for the `response_model` declared with `Item`.

You could also be implicitly returning `None` without realizing, for example:

Python
from fastapi import FastAPI
from pydantic import BaseModel

class Item(BaseModel):
 name: str
 price: Optional[float] = None
 owner_ids: Optional[List[int]] = None

app = FastAPI()

app.get("/items/invalidnone", response_model=Item)
def get_invalid_none():
 if flag:
     return {"name": "foo"}
  if flag is False, at this point the function will implicitly return None


If you have *path operations* using `response_model` that need to be allowed to return `None`, make it explicit in `response_model` using `Union[Something, None]`:

Python
from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

class Item(BaseModel):
 name: str
 price: Optional[float] = None
 owner_ids: Optional[List[int]] = None

app = FastAPI()

app.get("/items/invalidnone", response_model=Union[Item, None])
def get_invalid_none():
 return None


This way the data will be correctly validated, you won't have an internal server error, and the documentation will also reflect that this *path operation* could return `None` (or `null` in JSON).

Fixes

* ⬆ Upgrade Swagger UI copy of `oauth2-redirect.html` to include fixes for flavors of authorization code flows in Swagger UI. PR [3439](https://github.com/tiangolo/fastapi/pull/3439) initial PR by [koonpeng](https://github.com/koonpeng).
* ♻ Strip empty whitespace from description extracted from docstrings. PR [2821](https://github.com/tiangolo/fastapi/pull/2821) by [and-semakin](https://github.com/and-semakin).
* 🐛 Fix cached dependencies when using a dependency in `Security()` and other places (e.g. `Depends()`) with different OAuth2 scopes. PR [2945](https://github.com/tiangolo/fastapi/pull/2945) by [laggardkernel](https://github.com/laggardkernel).
* 🎨 Update type annotations for `response_model`, allow things like `Union[str, None]`. PR [5294](https://github.com/tiangolo/fastapi/pull/5294) by [tiangolo](https://github.com/tiangolo).

Translations

* 🌐 Fix typos in German translation for `docs/de/docs/features.md`. PR [4533](https://github.com/tiangolo/fastapi/pull/4533) by [0xflotus](https://github.com/0xflotus).
* 🌐 Add missing navigator for `encoder.md` in Korean translation. PR [5238](https://github.com/tiangolo/fastapi/pull/5238) by [joonas-yoon](https://github.com/joonas-yoon).
* (Empty PR merge by accident) [4913](https://github.com/tiangolo/fastapi/pull/4913).

0.79.1

Fixes

* 🐛 Fix `jsonable_encoder` using `include` and `exclude` parameters for non-Pydantic objects. PR [2606](https://github.com/tiangolo/fastapi/pull/2606) by [xaviml](https://github.com/xaviml).
* 🐛 Fix edge case with repeated aliases names not shown in OpenAPI. PR [2351](https://github.com/tiangolo/fastapi/pull/2351) by [klaa97](https://github.com/klaa97).
* 📝 Add misc dependency installs to tutorial docs. PR [2126](https://github.com/tiangolo/fastapi/pull/2126) by [TeoZosa](https://github.com/TeoZosa).

Docs

* 📝 Add note giving credit for illustrations to [Ketrina Thompson](https://www.instagram.com/ketrinadrawsalot/). PR [#5284](https://github.com/tiangolo/fastapi/pull/5284) by [tiangolo](https://github.com/tiangolo).
* ✏ Fix typo in `python-types.md`. PR [5116](https://github.com/tiangolo/fastapi/pull/5116) by [Kludex](https://github.com/Kludex).
* ✏ Fix typo in `docs/en/docs/python-types.md`. PR [5007](https://github.com/tiangolo/fastapi/pull/5007) by [atiabbz](https://github.com/atiabbz).
* 📝 Remove unneeded Django/Flask references from async topic intro. PR [5280](https://github.com/tiangolo/fastapi/pull/5280) by [carltongibson](https://github.com/carltongibson).
* ✨ Add illustrations for Concurrent burgers and Parallel burgers. PR [5277](https://github.com/tiangolo/fastapi/pull/5277) by [tiangolo](https://github.com/tiangolo). Updated docs at: [Concurrency and Burgers](https://fastapi.tiangolo.com/async/#concurrency-and-burgers).

Translations

* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/query-params.md`. PR [4775](https://github.com/tiangolo/fastapi/pull/4775) by [batlopes](https://github.com/batlopes).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/security/first-steps.md`. PR [4954](https://github.com/tiangolo/fastapi/pull/4954) by [FLAIR7](https://github.com/FLAIR7).
* 🌐 Add translation for `docs/zh/docs/advanced/response-cookies.md`. PR [4638](https://github.com/tiangolo/fastapi/pull/4638) by [zhangbo2012](https://github.com/zhangbo2012).
* 🌐  Add French translation for `docs/fr/docs/deployment/index.md`. PR [3689](https://github.com/tiangolo/fastapi/pull/3689) by [rjNemo](https://github.com/rjNemo).
* 🌐 Add Portuguese translation for `tutorial/handling-errors.md`. PR [4769](https://github.com/tiangolo/fastapi/pull/4769) by [frnsimoes](https://github.com/frnsimoes).
* 🌐 Add French translation for `docs/fr/docs/history-design-future.md`. PR [3451](https://github.com/tiangolo/fastapi/pull/3451) by [rjNemo](https://github.com/rjNemo).
* 🌐 Add Russian translation for `docs/ru/docs/tutorial/background-tasks.md`. PR [4854](https://github.com/tiangolo/fastapi/pull/4854) by [AdmiralDesu](https://github.com/AdmiralDesu).
* 🌐 Add Chinese translation for `docs/tutorial/security/first-steps.md`. PR [3841](https://github.com/tiangolo/fastapi/pull/3841) by [jaystone776](https://github.com/jaystone776).
* 🌐 Add Japanese translation for `docs/ja/docs/advanced/nosql-databases.md`. PR [4205](https://github.com/tiangolo/fastapi/pull/4205) by [sUeharaE4](https://github.com/sUeharaE4).
* 🌐 Add Indonesian translation for `docs/id/docs/tutorial/index.md`. PR [4705](https://github.com/tiangolo/fastapi/pull/4705) by [bas-baskara](https://github.com/bas-baskara).
* 🌐 Add Persian translation for `docs/fa/docs/index.md` and tweak right-to-left CSS. PR [2395](https://github.com/tiangolo/fastapi/pull/2395) by [mohsen-mahmoodi](https://github.com/mohsen-mahmoodi).

Internal

* 🔧 Update Jina sponsorship. PR [5283](https://github.com/tiangolo/fastapi/pull/5283) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update Jina sponsorship. PR [5272](https://github.com/tiangolo/fastapi/pull/5272) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update sponsors, Striveworks badge. PR [5179](https://github.com/tiangolo/fastapi/pull/5179) by [tiangolo](https://github.com/tiangolo).

0.79.0

Fixes - Breaking Changes

* 🐛 Fix removing body from status codes that do not support it. PR [5145](https://github.com/tiangolo/fastapi/pull/5145) by [tiangolo](https://github.com/tiangolo).
 * Setting `status_code` to `204`, `304`, or any code below `200` (1xx) will remove the body from the response.
 * This fixes an error in Uvicorn that otherwise would be thrown: `RuntimeError: Response content longer than Content-Length`.
 * This removes `fastapi.openapi.constants.STATUS_CODES_WITH_NO_BODY`, it is replaced by a function in utils.

Translations

* 🌐 Start of Hebrew translation. PR [5050](https://github.com/tiangolo/fastapi/pull/5050) by [itay-raveh](https://github.com/itay-raveh).
* 🔧 Add config for Swedish translations notification. PR [5147](https://github.com/tiangolo/fastapi/pull/5147) by [tiangolo](https://github.com/tiangolo).
* 🌐 Start of Swedish translation. PR [5062](https://github.com/tiangolo/fastapi/pull/5062) by [MrRawbin](https://github.com/MrRawbin).
* 🌐 Add Japanese translation for `docs/ja/docs/advanced/index.md`. PR [5043](https://github.com/tiangolo/fastapi/pull/5043) by [wakabame](https://github.com/wakabame).
* 🌐🇵🇱 Add Polish translation for `docs/pl/docs/tutorial/first-steps.md`. PR [5024](https://github.com/tiangolo/fastapi/pull/5024) by [Valaraucoo](https://github.com/Valaraucoo).

Internal

* 🔧 Update translations notification for Hebrew. PR [5158](https://github.com/tiangolo/fastapi/pull/5158) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update Dependabot commit message. PR [5156](https://github.com/tiangolo/fastapi/pull/5156) by [tiangolo](https://github.com/tiangolo).
* ⬆ Bump actions/upload-artifact from 2 to 3. PR [5148](https://github.com/tiangolo/fastapi/pull/5148) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump actions/cache from 2 to 3. PR [5149](https://github.com/tiangolo/fastapi/pull/5149) by [dependabot[bot]](https://github.com/apps/dependabot).
* 🔧 Update sponsors badge configs. PR [5155](https://github.com/tiangolo/fastapi/pull/5155) by [tiangolo](https://github.com/tiangolo).
* 👥 Update FastAPI People. PR [5154](https://github.com/tiangolo/fastapi/pull/5154) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update Jina sponsor badges. PR [5151](https://github.com/tiangolo/fastapi/pull/5151) by [tiangolo](https://github.com/tiangolo).
* ⬆ Bump actions/checkout from 2 to 3. PR [5133](https://github.com/tiangolo/fastapi/pull/5133) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ [pre-commit.ci] pre-commit autoupdate. PR [5030](https://github.com/tiangolo/fastapi/pull/5030) by [pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).
* ⬆ Bump nwtgck/actions-netlify from 1.1.5 to 1.2.3. PR [5132](https://github.com/tiangolo/fastapi/pull/5132) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump codecov/codecov-action from 2 to 3. PR [5131](https://github.com/tiangolo/fastapi/pull/5131) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump dawidd6/action-download-artifact from 2.9.0 to 2.21.1. PR [5130](https://github.com/tiangolo/fastapi/pull/5130) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Bump actions/setup-python from 2 to 4. PR [5129](https://github.com/tiangolo/fastapi/pull/5129) by [dependabot[bot]](https://github.com/apps/dependabot).
* 👷 Add Dependabot. PR [5128](https://github.com/tiangolo/fastapi/pull/5128) by [tiangolo](https://github.com/tiangolo).
* ♻️ Move from `Optional[X]` to `Union[X, None]` for internal utils. PR [5124](https://github.com/tiangolo/fastapi/pull/5124) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update sponsors, remove Dropbase, add Doist. PR [5096](https://github.com/tiangolo/fastapi/pull/5096) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update sponsors, remove Classiq, add ImgWhale. PR [5079](https://github.com/tiangolo/fastapi/pull/5079) by [tiangolo](https://github.com/tiangolo).

0.78.0

Features

* ✨ Add support for omitting `...` as default value when declaring required parameters with:

* `Path()`
* `Query()`
* `Header()`
* `Cookie()`
* `Body()`
* `Form()`
* `File()`

New docs at [Tutorial - Query Parameters and String Validations - Make it required](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#make-it-required). PR [4906](https://github.com/tiangolo/fastapi/pull/4906) by [tiangolo](https://github.com/tiangolo).

Up to now, declaring a required parameter while adding additional validation or metadata needed using `...` (Ellipsis).

For example:

Python
from fastapi import Cookie, FastAPI, Header, Path, Query

app = FastAPI()


app.get("/items/{item_id}")
def main(
 item_id: int = Path(default=..., gt=0),
 query: str = Query(default=..., max_length=10),
 session: str = Cookie(default=..., min_length=3),
 x_trace: str = Header(default=..., title="Tracing header"),
):
 return {"message": "Hello World"}


...all these parameters are required because the default value is `...` (Ellipsis).

But now it's possible and supported to just omit the default value, as would be done with Pydantic fields, and the parameters would still be required.

✨ For example, this is now supported:

Python
from fastapi import Cookie, FastAPI, Header, Path, Query

app = FastAPI()


app.get("/items/{item_id}")
def main(
 item_id: int = Path(gt=0),
 query: str = Query(max_length=10),
 session: str = Cookie(min_length=3),
 x_trace: str = Header(title="Tracing header"),
):
 return {"message": "Hello World"}


To declare parameters as optional (not required), you can set a default value as always, for example using `None`:

Python
from typing import Union
from fastapi import Cookie, FastAPI, Header, Path, Query

app = FastAPI()


app.get("/items/{item_id}")
def main(
 item_id: int = Path(gt=0),
 query: Union[str, None] = Query(default=None, max_length=10),
 session: Union[str, None] = Cookie(default=None, min_length=3),
 x_trace: Union[str, None] = Header(default=None, title="Tracing header"),
):
 return {"message": "Hello World"}


Docs

* 📝 Add docs recommending `Union` over `Optional` and migrate source examples. New docs at [Python Types Intro - Using `Union` or `Optional`](https://fastapi.tiangolo.com/python-types/#using-union-or-optional). PR [4908](https://github.com/tiangolo/fastapi/pull/4908) by [tiangolo](https://github.com/tiangolo).
* 🎨 Fix default value as set in tutorial for Path Operations Advanced Configurations. PR [4899](https://github.com/tiangolo/fastapi/pull/4899) by [tiangolo](https://github.com/tiangolo).
* 📝 Add documentation for redefined path operations. PR [4864](https://github.com/tiangolo/fastapi/pull/4864) by [madkinsz](https://github.com/madkinsz).
* 📝 Updates links for Celery documentation. PR [4736](https://github.com/tiangolo/fastapi/pull/4736) by [sammyzord](https://github.com/sammyzord).
* ✏ Fix example code with sets in tutorial for body nested models. PR [3030](https://github.com/tiangolo/fastapi/pull/3030) by [hitrust](https://github.com/hitrust).
* ✏ Fix links to Pydantic docs. PR [4670](https://github.com/tiangolo/fastapi/pull/4670) by [kinuax](https://github.com/kinuax).
* 📝 Update docs about Swagger UI self-hosting with newer source links. PR [4813](https://github.com/tiangolo/fastapi/pull/4813) by [Kastakin](https://github.com/Kastakin).
* 📝 Add link to external article: Building the Poll App From Django Tutorial With FastAPI And React. PR [4778](https://github.com/tiangolo/fastapi/pull/4778) by [jbrocher](https://github.com/jbrocher).
* 📝 Add OpenAPI warning to "Body - Fields" docs with extra schema extensions. PR [4846](https://github.com/tiangolo/fastapi/pull/4846) by [ml-evs](https://github.com/ml-evs).

Translations

* 🌐 Fix code examples in Japanese translation for `docs/ja/docs/tutorial/testing.md`. PR [4623](https://github.com/tiangolo/fastapi/pull/4623) by [hirotoKirimaru](https://github.com/hirotoKirimaru).

Internal

* ♻ Refactor dict value extraction to minimize key lookups `fastapi/utils.py`. PR [3139](https://github.com/tiangolo/fastapi/pull/3139) by [ShahriyarR](https://github.com/ShahriyarR).
* ✅ Add tests for required nonable parameters and body fields. PR [4907](https://github.com/tiangolo/fastapi/pull/4907) by [tiangolo](https://github.com/tiangolo).
* 👷 Fix installing Material for MkDocs Insiders in CI. PR [4897](https://github.com/tiangolo/fastapi/pull/4897) by [tiangolo](https://github.com/tiangolo).
* 👷 Add pre-commit CI instead of custom GitHub Action. PR [4896](https://github.com/tiangolo/fastapi/pull/4896) by [tiangolo](https://github.com/tiangolo).
* 👷 Add pre-commit GitHub Action workflow. PR [4895](https://github.com/tiangolo/fastapi/pull/4895) by [tiangolo](https://github.com/tiangolo).
* 📝 Add dark mode auto switch to docs based on OS preference. PR [4869](https://github.com/tiangolo/fastapi/pull/4869) by [ComicShrimp](https://github.com/ComicShrimp).
* 🔥 Remove un-used old pending tests, already covered in other places. PR [4891](https://github.com/tiangolo/fastapi/pull/4891) by [tiangolo](https://github.com/tiangolo).
* 🔧 Add Python formatting hooks to pre-commit. PR [4890](https://github.com/tiangolo/fastapi/pull/4890) by [tiangolo](https://github.com/tiangolo).
* 🔧 Add pre-commit with first config and first formatting pass. PR [4888](https://github.com/tiangolo/fastapi/pull/4888) by [tiangolo](https://github.com/tiangolo).
* 👷 Disable CI installing Material for MkDocs in forks. PR [4410](https://github.com/tiangolo/fastapi/pull/4410) by [dolfinus](https://github.com/dolfinus).

0.77.1

Upgrades

* ⬆ Upgrade Starlette from 0.19.0 to 0.19.1. PR [4819](https://github.com/tiangolo/fastapi/pull/4819) by [Kludex](https://github.com/Kludex).

Docs

* 📝 Add link to german article: REST-API Programmieren mittels Python und dem FastAPI Modul. PR [4624](https://github.com/tiangolo/fastapi/pull/4624) by [fschuermeyer](https://github.com/fschuermeyer).
* 📝 Add external link: PyCharm Guide to FastAPI. PR [4512](https://github.com/tiangolo/fastapi/pull/4512) by [mukulmantosh](https://github.com/mukulmantosh).
* 📝 Add external link to article: Building an API with FastAPI and Supabase and Deploying on Deta. PR [4440](https://github.com/tiangolo/fastapi/pull/4440) by [aUnicornDev](https://github.com/aUnicornDev).
* ✏ Fix small typo in `docs/en/docs/tutorial/security/first-steps.md`. PR [4515](https://github.com/tiangolo/fastapi/pull/4515) by [KikoIlievski](https://github.com/KikoIlievski).

Translations

* 🌐 Add Polish translation for `docs/pl/docs/tutorial/index.md`. PR [4516](https://github.com/tiangolo/fastapi/pull/4516) by [MKaczkow](https://github.com/MKaczkow).
* ✏ Fix typo in deployment. PR [4629](https://github.com/tiangolo/fastapi/pull/4629) by [raisulislam541](https://github.com/raisulislam541).
* 🌐 Add Portuguese translation for `docs/pt/docs/help-fastapi.md`. PR [4583](https://github.com/tiangolo/fastapi/pull/4583) by [mateusjs](https://github.com/mateusjs).

Internal

* 🔧 Add notifications in issue for Uzbek translations. PR [4884](https://github.com/tiangolo/fastapi/pull/4884) by [tiangolo](https://github.com/tiangolo).

0.77.0

Upgrades

* ⬆ Upgrade Starlette from 0.18.0 to 0.19.0. PR [4488](https://github.com/tiangolo/fastapi/pull/4488) by [Kludex](https://github.com/Kludex).
 * When creating an explicit `JSONResponse` the `content` argument is now required.

Docs

* 📝 Add external link to article: Seamless FastAPI Configuration with ConfZ. PR [4414](https://github.com/tiangolo/fastapi/pull/4414) by [silvanmelchior](https://github.com/silvanmelchior).
* 📝 Add external link to article: 5 Advanced Features of FastAPI You Should Try. PR [4436](https://github.com/tiangolo/fastapi/pull/4436) by [kaustubhgupta](https://github.com/kaustubhgupta).
* ✏ Reword to improve legibility of docs about `TestClient`. PR [4389](https://github.com/tiangolo/fastapi/pull/4389) by [rgilton](https://github.com/rgilton).
* 📝 Add external link to blog post about Kafka, FastAPI, and Ably. PR [4044](https://github.com/tiangolo/fastapi/pull/4044) by [Ugbot](https://github.com/Ugbot).
* ✏ Fix typo in `docs/en/docs/tutorial/sql-databases.md`. PR [4875](https://github.com/tiangolo/fastapi/pull/4875) by [wpyoga](https://github.com/wpyoga).
* ✏ Fix typo in `docs/en/docs/async.md`. PR [4726](https://github.com/tiangolo/fastapi/pull/4726) by [Prezu](https://github.com/Prezu).

Translations

* 🌐 Update source example highlights for `docs/zh/docs/tutorial/query-params-str-validations.md`. PR [4237](https://github.com/tiangolo/fastapi/pull/4237) by [caimaoy](https://github.com/caimaoy).
* 🌐 Remove translation docs references to aiofiles as it's no longer needed since AnyIO. PR [3594](https://github.com/tiangolo/fastapi/pull/3594) by [alonme](https://github.com/alonme).
* ✏ 🌐 Fix typo in Portuguese translation for `docs/pt/docs/tutorial/path-params.md`. PR [4722](https://github.com/tiangolo/fastapi/pull/4722) by [CleoMenezesJr](https://github.com/CleoMenezesJr).
* 🌐 Fix live docs server for translations for some languages. PR [4729](https://github.com/tiangolo/fastapi/pull/4729) by [wakabame](https://github.com/wakabame).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/cookie-params.md`. PR [4112](https://github.com/tiangolo/fastapi/pull/4112) by [lbmendes](https://github.com/lbmendes).
* 🌐 Fix French translation for `docs/tutorial/body.md`. PR [4332](https://github.com/tiangolo/fastapi/pull/4332) by [Smlep](https://github.com/Smlep).
* 🌐 Add Japanese translation for `docs/ja/docs/advanced/conditional-openapi.md`. PR [2631](https://github.com/tiangolo/fastapi/pull/2631) by [sh0nk](https://github.com/sh0nk).
* 🌐 Fix Japanese translation of `docs/ja/docs/tutorial/body.md`. PR [3062](https://github.com/tiangolo/fastapi/pull/3062) by [a-takahashi223](https://github.com/a-takahashi223).
* 🌐 Add Portuguese translation for `docs/pt/docs/tutorial/background-tasks.md`. PR [2170](https://github.com/tiangolo/fastapi/pull/2170) by [izaguerreiro](https://github.com/izaguerreiro).
* 🌐 Add Portuguese translation for `docs/deployment/deta.md`. PR [4442](https://github.com/tiangolo/fastapi/pull/4442) by [lsglucas](https://github.com/lsglucas).
* 🌐 Add Russian translation for `docs/async.md`. PR [4036](https://github.com/tiangolo/fastapi/pull/4036) by [Winand](https://github.com/Winand).
* 🌐 Add Portuguese translation for `docs/tutorial/body.md`. PR [3960](https://github.com/tiangolo/fastapi/pull/3960) by [leandrodesouzadev](https://github.com/leandrodesouzadev).
* 🌐 Add Portuguese translation of `tutorial/extra-data-types.md`. PR [4077](https://github.com/tiangolo/fastapi/pull/4077) by [luccasmmg](https://github.com/luccasmmg).
* 🌐 Update German translation for `docs/features.md`. PR [3905](https://github.com/tiangolo/fastapi/pull/3905) by [jomue](https://github.com/jomue).

0.76.0

Upgrades

* ⬆ Upgrade Starlette from 0.17.1 to 0.18.0. PR [4483](https://github.com/tiangolo/fastapi/pull/4483) by [Kludex](https://github.com/Kludex).

Internal

* 👥 Update FastAPI People. PR [4847](https://github.com/tiangolo/fastapi/pull/4847) by [github-actions[bot]](https://github.com/apps/github-actions).
* 🔧 Add Budget Insight sponsor. PR [4824](https://github.com/tiangolo/fastapi/pull/4824) by [tiangolo](https://github.com/tiangolo).
* 🍱 Update sponsor, ExoFlare badge. PR [4822](https://github.com/tiangolo/fastapi/pull/4822) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update sponsors, enable Dropbase again, update TalkPython link. PR [4821](https://github.com/tiangolo/fastapi/pull/4821) by [tiangolo](https://github.com/tiangolo).

0.75.2

This release includes upgrades to third-party packages that handle security issues. Although there's a chance these issues don't affect you in particular, please upgrade as soon as possible.

Fixes

* ✅ Fix new/recent tests with new fixed `ValidationError` JSON Schema. PR [4806](https://github.com/tiangolo/fastapi/pull/4806) by [tiangolo](https://github.com/tiangolo).
* 🐛 Fix JSON Schema for `ValidationError` at field `loc`. PR [3810](https://github.com/tiangolo/fastapi/pull/3810) by [dconathan](https://github.com/dconathan).
* 🐛 Fix support for prefix on APIRouter WebSockets. PR [2640](https://github.com/tiangolo/fastapi/pull/2640) by [Kludex](https://github.com/Kludex).

Upgrades

* ⬆️ Update ujson ranges for CVE-2021-45958. PR [4804](https://github.com/tiangolo/fastapi/pull/4804) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade dependencies upper range for extras "all". PR [4803](https://github.com/tiangolo/fastapi/pull/4803) by [tiangolo](https://github.com/tiangolo).
* ⬆ Upgrade Swagger UI - swagger-ui-dist4. This handles a security issue in Swagger UI itself where it could be possible to inject HTML into Swagger UI. Please upgrade as soon as you can, in particular if you expose your Swagger UI (`/docs`) publicly to non-expert users. PR [4347](https://github.com/tiangolo/fastapi/pull/4347) by [RAlanWright](https://github.com/RAlanWright).

Internal

* 🔧 Update sponsors, add: ExoFlare, Ines Course; remove: Dropbase, Vim.so, Calmcode; update: Striveworks, TalkPython and TestDriven.io. PR [4805](https://github.com/tiangolo/fastapi/pull/4805) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade Codecov GitHub Action. PR [4801](https://github.com/tiangolo/fastapi/pull/4801) by [tiangolo](https://github.com/tiangolo).

0.75.1

Translations

* 🌐 Start Dutch translations. PR [4703](https://github.com/tiangolo/fastapi/pull/4703) by [tiangolo](https://github.com/tiangolo).
* 🌐 Start Persian/Farsi translations. PR [4243](https://github.com/tiangolo/fastapi/pull/4243) by [aminalaee](https://github.com/aminalaee).
* ✏ Reword sentence about handling errors. PR [1993](https://github.com/tiangolo/fastapi/pull/1993) by [khuhroproeza](https://github.com/khuhroproeza).

Internal

* 👥 Update FastAPI People. PR [4752](https://github.com/tiangolo/fastapi/pull/4752) by [github-actions[bot]](https://github.com/apps/github-actions).
* ➖ Temporarily remove typer-cli from dependencies and upgrade Black to unblock Pydantic CI. PR [4754](https://github.com/tiangolo/fastapi/pull/4754) by [tiangolo](https://github.com/tiangolo).
* 🔧 Add configuration to notify Dutch translations. PR [4702](https://github.com/tiangolo/fastapi/pull/4702) by [tiangolo](https://github.com/tiangolo).
* 👥 Update FastAPI People. PR [4699](https://github.com/tiangolo/fastapi/pull/4699) by [github-actions[bot]](https://github.com/apps/github-actions).
* 🐛 Fix FastAPI People generation to include missing file in commit. PR [4695](https://github.com/tiangolo/fastapi/pull/4695) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update Classiq sponsor links. PR [4688](https://github.com/tiangolo/fastapi/pull/4688) by [tiangolo](https://github.com/tiangolo).
* 🔧 Add Classiq sponsor. PR [4671](https://github.com/tiangolo/fastapi/pull/4671) by [tiangolo](https://github.com/tiangolo).
* 📝 Add Jina's QA Bot to the docs to help people that want to ask quick questions. PR [4655](https://github.com/tiangolo/fastapi/pull/4655) by [tiangolo](https://github.com/tiangolo) based on original PR [#4626](https://github.com/tiangolo/fastapi/pull/4626) by [hanxiao](https://github.com/hanxiao).

0.75.0

Features

* ✨ Add support for custom `generate_unique_id_function` and docs for generating clients. New docs: [Advanced - Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/). PR [#4650](https://github.com/tiangolo/fastapi/pull/4650) by [tiangolo](https://github.com/tiangolo).

0.74.1

Features

* ✨ Include route in scope to allow middleware and other tools to extract its information. PR [4603](https://github.com/tiangolo/fastapi/pull/4603) by [tiangolo](https://github.com/tiangolo).

0.74.0

Breaking Changes

* ✨ Update internal `AsyncExitStack` to fix context for dependencies with `yield`. PR [4575](https://github.com/tiangolo/fastapi/pull/4575) by [tiangolo](https://github.com/tiangolo).

Dependencies with `yield` can now catch `HTTPException` and custom exceptions. For example:

Python
async def get_database():
 with Session() as session:
     try:
         yield session
     except HTTPException:
         session.rollback()
         raise
     finally:
         session.close()


After the dependency with `yield` handles the exception (or not) the exception is raised again. So that any exception handlers can catch it, or ultimately the default internal `ServerErrorMiddleware`.

If you depended on exceptions not being received by dependencies with `yield`, and receiving an exception breaks the code after `yield`, you can use a block with `try` and `finally`:

Python
async def do_something():
 try:
     yield something
 finally:
     some_cleanup()


...that way the `finally` block is run regardless of any exception that might happen.

Features

* The same PR [4575](https://github.com/tiangolo/fastapi/pull/4575) from above also fixes the `contextvars` context for the code before and after `yield`. This was the main objective of that PR.

This means that now, if you set a value in a context variable before `yield`, the value would still be available after `yield` (as you would intuitively expect). And it also means that you can reset the context variable with a token afterwards.

For example, this works correctly now:

Python
from contextvars import ContextVar
from typing import Any, Dict, Optional


legacy_request_state_context_va

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