Pin fastapi to latest version 0.93.0 #151

pyup-bot · 2023-03-07T18:18:15Z

This PR pins fastapi to the latest release 0.93.0.

Changelog

0.93.0

Features

* ✨ Add support for `lifespan` async context managers (superseding `startup` and `shutdown` events). Initial PR [2944](https://github.com/tiangolo/fastapi/pull/2944) by [uSpike](https://github.com/uSpike).

Now, instead of using independent `startup` and `shutdown` events, you can define that logic in a single function with `yield` decorated with `asynccontextmanager` (an async context manager).

For example:

Python
from contextlib import asynccontextmanager

from fastapi import FastAPI


def fake_answer_to_everything_ml_model(x: float):
 return x * 42


ml_models = {}


asynccontextmanager
async def lifespan(app: FastAPI):
  Load the ML model
 ml_models[&quot;answer_to_everything&quot;] = fake_answer_to_everything_ml_model
 yield
  Clean up the ML models and release the resources
 ml_models.clear()


app = FastAPI(lifespan=lifespan)


app.get(&quot;/predict&quot;)
async def predict(x: float):
 result = ml_models[&quot;answer_to_everything&quot;](x)
 return {&quot;result&quot;: result}


**Note**: This is the recommended way going forward, instead of using `startup` and `shutdown` events.

Read more about it in the new docs: [Advanced User Guide: Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).

Docs

* ✏ Fix formatting in `docs/en/docs/tutorial/metadata.md` for `ReDoc`. PR [6005](https://github.com/tiangolo/fastapi/pull/6005) by [eykamp](https://github.com/eykamp).

Translations

* 🌐 Tamil translations - initial setup. PR [5564](https://github.com/tiangolo/fastapi/pull/5564) by [gusty1g](https://github.com/gusty1g).
* 🌐 Add French translation for `docs/fr/docs/advanced/path-operation-advanced-configuration.md`. PR [9221](https://github.com/tiangolo/fastapi/pull/9221) by [axel584](https://github.com/axel584).
* 🌐 Add French translation for `docs/tutorial/debugging.md`. PR [9175](https://github.com/tiangolo/fastapi/pull/9175) by [frabc](https://github.com/frabc).
* 🌐 Initiate Armenian translation setup. PR [5844](https://github.com/tiangolo/fastapi/pull/5844) by [har8](https://github.com/har8).
* 🌐 Add French translation for `deployment/manually.md`. PR [3693](https://github.com/tiangolo/fastapi/pull/3693) by [rjNemo](https://github.com/rjNemo).

Internal

* 👷 Update translation bot messages. PR [9206](https://github.com/tiangolo/fastapi/pull/9206) by [tiangolo](https://github.com/tiangolo).
* 👷 Update translations bot to use Discussions, and notify when a PR is done. PR [9183](https://github.com/tiangolo/fastapi/pull/9183) by [tiangolo](https://github.com/tiangolo).
* 🔧 Update sponsors-badges. PR [9182](https://github.com/tiangolo/fastapi/pull/9182) by [tiangolo](https://github.com/tiangolo).
* 👥 Update FastAPI People. PR [9181](https://github.com/tiangolo/fastapi/pull/9181) by [github-actions[bot]](https://github.com/apps/github-actions).
* 🔊 Log GraphQL errors in FastAPI People, because it returns 200, with a payload with an error. PR [9171](https://github.com/tiangolo/fastapi/pull/9171) by [tiangolo](https://github.com/tiangolo).
* 💚 Fix/workaround GitHub Actions in Docker with git for FastAPI People. PR [9169](https://github.com/tiangolo/fastapi/pull/9169) by [tiangolo](https://github.com/tiangolo).
* ♻️ Refactor FastAPI Experts to use only discussions now that questions are migrated. PR [9165](https://github.com/tiangolo/fastapi/pull/9165) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade analytics. PR [6025](https://github.com/tiangolo/fastapi/pull/6025) by [tiangolo](https://github.com/tiangolo).
* ⬆️ Upgrade and re-enable installing Typer-CLI. PR [6008](https://github.com/tiangolo/fastapi/pull/6008) by [tiangolo](https://github.com/tiangolo).

0.92.0

🚨 This is a security fix. Please upgrade as soon as possible.

Upgrades

* ⬆️ Upgrade Starlette to 0.25.0. PR [5996](https://github.com/tiangolo/fastapi/pull/5996) by [tiangolo](https://github.com/tiangolo).
 * This solves a vulnerability that could allow denial of service attacks by using many small multipart fields/files (parts), consuming high CPU and memory.
 * Only applications using forms (e.g. file uploads) could be affected.
 * For most cases, upgrading won&#x27;t have any breaking changes.

0.91.0

Upgrades

* ⬆️ Upgrade Starlette version to `0.24.0` and refactor internals for compatibility. PR [5985](https://github.com/tiangolo/fastapi/pull/5985) by [tiangolo](https://github.com/tiangolo).
 * This can solve nuanced errors when using middlewares. Before Starlette `0.24.0`, a new instance of each middleware class would be created when a new middleware was added. That normally was not a problem, unless the middleware class expected to be created only once, with only one instance, that happened in some cases. This upgrade would solve those cases (thanks [adriangb](https://github.com/adriangb)! Starlette PR [#2017](https://github.com/encode/starlette/pull/2017)). Now the middleware class instances are created once, right before the first request (the first time the app is called).
 * If you depended on that previous behavior, you might need to update your code. As always, make sure your tests pass before merging the upgrade.

0.90.1

Upgrades

* ⬆️ Upgrade Starlette range to allow 0.23.1. PR [5980](https://github.com/tiangolo/fastapi/pull/5980) by [tiangolo](https://github.com/tiangolo).

Docs

* ✏ Tweak wording to clarify `docs/en/docs/project-generation.md`. PR [5930](https://github.com/tiangolo/fastapi/pull/5930) by [chandra-deb](https://github.com/chandra-deb).
* ✏ Update Pydantic GitHub URLs. PR [5952](https://github.com/tiangolo/fastapi/pull/5952) by [yezz123](https://github.com/yezz123).
* 📝 Add opinion from Cisco. PR [5981](https://github.com/tiangolo/fastapi/pull/5981) by [tiangolo](https://github.com/tiangolo).

Translations

* 🌐 Add Russian translation for `docs/ru/docs/tutorial/cookie-params.md`. PR [5890](https://github.com/tiangolo/fastapi/pull/5890) by [bnzone](https://github.com/bnzone).

Internal

* ✏ Update `zip-docs.sh` internal script, remove extra space. PR [5931](https://github.com/tiangolo/fastapi/pull/5931) by [JuanPerdomo00](https://github.com/JuanPerdomo00).

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 &quot;Tortoise ORM / FastAPI 整合快速筆記&quot; 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(&quot;/items/&quot;)
async def read_items() -&gt; list[Item]:
 return [
     Item(name=&quot;Portal Gun&quot;, price=42.0),
     Item(name=&quot;Plumbus&quot;, 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 &lt;7.0,&gt;=6.5.0 to &gt;=6.5.0,&lt;8.0. PR [5801](https://github.com/tiangolo/fastapi/pull/5801) by [dependabot[bot]](https://github.com/apps/dependabot).
* ⬆ Update uvicorn[standard] requirement from &lt;0.19.0,&gt;=0.12.0 to &gt;=0.12.0,&lt;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 &lt;=1.4.41,&gt;=1.3.18 to &gt;=1.3.18,&lt;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 &lt;0.7.0,&gt;=0.6.1 to &gt;=0.6.1,&lt;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 `&quot;fastapi[all]&quot;`.
* New docs about how to [**Help Maintain FastAPI**](https://fastapi.tiangolo.com/help-fastapi/#help-maintain-fastapi).

Features

* ⬆️ Upgrade and relax dependencies for extras &quot;all&quot;. PR [5634](https://github.com/tiangolo/fastapi/pull/5634) by [tiangolo](https://github.com/tiangolo).
* ✨ Re-export Starlette&#x27;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&#x27;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&#x27;t affect final users, it&#x27;s mainly internal. It unlocks Pydanitc work with the integration that runs FastAPI&#x27;s tests in Pydantic&#x27;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 &lt;4.0.0,&gt;=2.12.0 to &gt;=2.12.0,&lt;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 `&gt;=0.12.0,&lt;0.18.0` to `&gt;=0.12.0,&lt;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&#x27;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&#x27;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&#x27;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: &quot;How to monitor FastAPI application performance using Python agent&quot;. 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 `&lt;noscript&gt;` 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: &quot;Fastapi, Docker(Docker compose) and Postgres&quot;. 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 &gt;=3.8.3,&lt;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&#x27;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(&quot;/items/invalidnone&quot;, 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(&quot;/items/invalidnone&quot;, response_model=Item)
def get_invalid_none():
 if flag:
     return {&quot;name&quot;: &quot;foo&quot;}
  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(&quot;/items/invalidnone&quot;, response_model=Union[Item, None])
def get_invalid_none():
 return None


This way the data will be correctly validated, you won&#x27;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(&quot;/items/{item_id}&quot;)
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=&quot;Tracing header&quot;),
):
 return {&quot;message&quot;: &quot;Hello World&quot;}


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

But now it&#x27;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(&quot;/items/{item_id}&quot;)
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=&quot;Tracing header&quot;),
):
 return {&quot;message&quot;: &quot;Hello World&quot;}


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(&quot;/items/{item_id}&quot;)
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=&quot;Tracing header&quot;),
):
 return {&quot;message&quot;: &quot;Hello World&quot;}


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 &quot;Body - Fields&quot; 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&#x27;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.co

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