Description
<p align="center"> <a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a> </p> <p align="center"> <em>FastAPI framework, high performance, easy to learn, fast to code, ready for production</em> </p> <p align="center"> <a href="https://github.com/fastapi/fastapi/actions?query=workflow%3ATest+event%3Apush+branch%3Amaster"> <img src="https://github.com/fastapi/fastapi/actions/workflows/test.yml/badge.svg?event=push&branch=master" alt="Test"> </a> <a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/fastapi/fastapi"> <img src="https://coverage-badge.samuelcolvin.workers.dev/fastapi/fastapi.svg" alt="Coverage"> </a> <a href="https://pypi.org/project/fastapi"> <img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Package version"> </a> <a href="https://pypi.org/project/fastapi"> <img src="https://img.shields.io/pypi/pyversions/fastapi.svg?color=%2334D058" alt="Supported Python versions"> </a> </p> --- **Documentation**: [https://fastapi.tiangolo.com](https://fastapi.tiangolo.com) **Source Code**: [https://github.com/fastapi/fastapi](https://github.com/fastapi/fastapi) --- FastAPI is a modern, fast (high-performance), web framework for building APIs with Python based on standard Python type hints. The key features are: * **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance). * **Fast to code**: Increase the speed to develop features by about 200% to 300%. * * **Fewer bugs**: Reduce about 40% of human (developer) induced errors. * * **Intuitive**: Great editor support. <dfn title="also known as auto-complete, autocompletion, IntelliSense">Completion</dfn> everywhere. Less time debugging. * **Easy**: Designed to be easy to use and learn. Less time reading docs. * **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs. * **Robust**: Get production-ready code. With automatic interactive documentation. * **Standards-based**: Based on (and fully compatible with) the open standards for APIs: [OpenAPI](https://github.com/OAI/OpenAPI-Specification) (previously known as Swagger) and [JSON Schema](https://json-schema.org/). <small>* estimation based on tests conducted by an internal development team, building production applications.</small> ## Sponsors <!-- sponsors --> ### Keystone Sponsor <a href="https://fastapicloud.com" target="_blank" title="FastAPI Cloud. By the same team behind FastAPI. You code. We Cloud."><img src="https://fastapi.tiangolo.com/img/sponsors/fastapicloud.png"></a> ### Gold and Silver Sponsors <a href="https://blockbee.io?ref=fastapi" target="_blank" title="BlockBee Cryptocurrency Payment Gateway"><img src="https://fastapi.tiangolo.com/img/sponsors/blockbee.png"></a> <a href="https://github.com/scalar/scalar/?utm_source=fastapi&utm_medium=website&utm_campaign=main-badge" target="_blank" title="Scalar: Beautiful Open-Source API References from Swagger/OpenAPI files"><img src="https://fastapi.tiangolo.com/img/sponsors/scalar.svg"></a> <a href="https://www.propelauth.com/?utm_source=fastapi&utm_campaign=1223&utm_medium=mainbadge" target="_blank" title="Auth, user management and more for your B2B product"><img src="https://fastapi.tiangolo.com/img/sponsors/propelauth.png"></a> <a href="https://zuplo.link/fastapi-gh" target="_blank" title="Zuplo: Deploy, Secure, Document, and Monetize your FastAPI"><img src="https://fastapi.tiangolo.com/img/sponsors/zuplo.png"></a> <a href="https://liblab.com?utm_source=fastapi" target="_blank" title="liblab - Generate SDKs from FastAPI"><img src="https://fastapi.tiangolo.com/img/sponsors/liblab.png"></a> <a href="https://docs.render.com/deploy-fastapi?utm_source=deploydoc&utm_medium=referral&utm_campaign=fastapi" target="_blank" title="Deploy & scale any full-stack web app on Render. Focus on building apps, not infra."><img src="https://fastapi.tiangolo.com/img/sponsors/render.svg"></a> <a href="https://www.coderabbit.ai/?utm_source=fastapi&utm_medium=badge&utm_campaign=fastapi" target="_blank" title="Cut Code Review Time & Bugs in Half with CodeRabbit"><img src="https://fastapi.tiangolo.com/img/sponsors/coderabbit.png"></a> <a href="https://subtotal.com/?utm_source=fastapi&utm_medium=sponsorship&utm_campaign=open-source" target="_blank" title="The Gold Standard in Retail Account Linking"><img src="https://fastapi.tiangolo.com/img/sponsors/subtotal.svg"></a> <a href="https://docs.railway.com/guides/fastapi?utm_medium=integration&utm_source=docs&utm_campaign=fastapi" target="_blank" title="Deploy enterprise applications at startup speed"><img src="https://fastapi.tiangolo.com/img/sponsors/railway.png"></a> <a href="https://serpapi.com/?utm_source=fastapi_website" target="_blank" title="SerpApi: Web Search API"><img src="https://fastapi.tiangolo.com/img/sponsors/s
Release History
| Version | Changes | Urgency | Date |
|---|---|---|---|
| 0.136.0 | Imported from PyPI (0.136.0) | Low | 4/21/2026 |
| 0.135.4 | ### Refactors * 🔥 Remove April Fool's `@app.vibe()` 🤪. PR [#15363](https://github.com/fastapi/fastapi/pull/15363) by [@tiangolo](https://github.com/tiangolo). ### Internal * ⬆ Bump cryptography from 46.0.5 to 46.0.7. PR [#15314](https://github.com/fastapi/fastapi/pull/15314) by [@dependabot[bot]](https://github.com/apps/dependabot). * ⬆ Bump strawberry-graphql from 0.307.1 to 0.312.3. PR [#15309](https://github.com/fastapi/fastapi/pull/15309) by [@dependabot[bot]](https://github.com/ | High | 4/16/2026 |
| 0.135.3 | ### Features * ✨ Add support for `@app.vibe()`. PR [#15280](https://github.com/fastapi/fastapi/pull/15280) by [@tiangolo](https://github.com/tiangolo). * New docs: [Vibe Coding](https://fastapi.tiangolo.com/advanced/vibe/). ### Docs * ✏️ Fix typo for `client_secret` in OAuth2 form docstrings. PR [#14946](https://github.com/fastapi/fastapi/pull/14946) by [@bysiber](https://github.com/bysiber). ### Internal * 👥 Update FastAPI People - Experts. PR [#15279](https://github.com/fa | Medium | 4/1/2026 |
| 0.135.2 | ### Upgrades * ⬆️ Increase lower bound to `pydantic >=2.9.0.` and fix the test suite. PR [#15139](https://github.com/fastapi/fastapi/pull/15139) by [@svlandeg](https://github.com/svlandeg). ### Docs * 📝 Add missing last release notes dates. PR [#15202](https://github.com/fastapi/fastapi/pull/15202) by [@tiangolo](https://github.com/tiangolo). * 📝 Update docs for contributors and team members regarding translation PRs. PR [#15200](https://github.com/fastapi/fastapi/pull/15200) by [@Yu | Medium | 3/23/2026 |
| 0.135.1 | ### Fixes * 🐛 Fix, avoid yield from a TaskGroup, only as an async context manager, closed in the request async exit stack. PR [#15038](https://github.com/fastapi/fastapi/pull/15038) by [@tiangolo](https://github.com/tiangolo). ### Docs * ✏️ Fix typo in `docs/en/docs/_llm-test.md`. PR [#15007](https://github.com/fastapi/fastapi/pull/15007) by [@adityagiri3600](https://github.com/adityagiri3600). * 📝 Update Skill, optimize context, trim and refactor into references. PR [#15031](https:/ | Low | 3/1/2026 |
| 0.135.0 | ### Features * ✨ Add support for Server Sent Events. PR [#15030](https://github.com/fastapi/fastapi/pull/15030) by [@tiangolo](https://github.com/tiangolo). * New docs: [Server-Sent Events (SSE)](https://fastapi.tiangolo.com/tutorial/server-sent-events/). | Low | 3/1/2026 |
| 0.134.0 | ### Features * ✨ Add support for streaming JSON Lines and binary data with `yield`. PR [#15022](https://github.com/fastapi/fastapi/pull/15022) by [@tiangolo](https://github.com/tiangolo). * This also upgrades Starlette from `>=0.40.0` to `>=0.46.0`, as it's needed to properly unrwap and re-raise exceptions from exception groups. * New docs: [Stream JSON Lines](https://fastapi.tiangolo.com/tutorial/stream-json-lines/). * And new docs: [Stream Data](https://fastapi.tiangolo.com/a | Low | 2/27/2026 |
| 0.133.1 | ### Features * 🔧 Add FastAPI Agent Skill. PR [#14982](https://github.com/fastapi/fastapi/pull/14982) by [@tiangolo](https://github.com/tiangolo). * Read more about it in [Library Agent Skills](https://tiangolo.com/ideas/library-agent-skills/). ### Internal * ✅ Fix all tests are skipped on Windows. PR [#14994](https://github.com/fastapi/fastapi/pull/14994) by [@YuriiMotov](https://github.com/YuriiMotov). | Low | 2/25/2026 |
| 0.133.0 | ### Upgrades * ⬆️ Add support for Starlette 1.0.0+. PR [#14987](https://github.com/fastapi/fastapi/pull/14987) by [@tiangolo](https://github.com/tiangolo). | Low | 2/24/2026 |
| 0.132.1 | ### Refactors * ♻️ Refactor logic to handle OpenAPI and Swagger UI escaping data. PR [#14986](https://github.com/fastapi/fastapi/pull/14986) by [@tiangolo](https://github.com/tiangolo). ### Internal * 👥 Update FastAPI People - Experts. PR [#14972](https://github.com/fastapi/fastapi/pull/14972) by [@tiangolo](https://github.com/tiangolo). * 👷 Allow skipping `benchmark` job in `test` workflow. PR [#14974](https://github.com/fastapi/fastapi/pull/14974) by [@YuriiMotov](https://github.co | Low | 2/24/2026 |
| 0.132.0 | ### Breaking Changes * 🔒️ Add `strict_content_type` checking for JSON requests. PR [#14978](https://github.com/fastapi/fastapi/pull/14978) by [@tiangolo](https://github.com/tiangolo). * Now FastAPI checks, by default, that JSON requests have a `Content-Type` header with a valid JSON value, like `application/json`, and rejects requests that don't. * If the clients for your app don't send a valid `Content-Type` header you can disable this with `strict_content_type=False`. * Chec | Low | 2/23/2026 |
| 0.131.0 | ### Breaking Changes * 🗑️ Deprecate `ORJSONResponse` and `UJSONResponse`. PR [#14964](https://github.com/fastapi/fastapi/pull/14964) by [@tiangolo](https://github.com/tiangolo). | Low | 2/22/2026 |
| 0.130.0 | ### Features * ✨ Serialize JSON response with Pydantic (in Rust), when there's a Pydantic return type or response model. PR [#14962](https://github.com/fastapi/fastapi/pull/14962) by [@tiangolo](https://github.com/tiangolo). * This results in 2x (or more) performance increase for JSON responses. * New docs: [Custom Response - JSON Performance](https://fastapi.tiangolo.com/advanced/custom-response/#json-performance). | Low | 2/22/2026 |
| 0.129.2 | ### Internal * ⬆️ Upgrade pytest. PR [#14959](https://github.com/fastapi/fastapi/pull/14959) by [@tiangolo](https://github.com/tiangolo). * 👷 Fix CI, do not attempt to publish `fastapi-slim`. PR [#14958](https://github.com/fastapi/fastapi/pull/14958) by [@tiangolo](https://github.com/tiangolo). * ➖ Drop support for `fastapi-slim`, no more versions will be released, use only `"fastapi[standard]"` or `fastapi`. PR [#14957](https://github.com/fastapi/fastapi/pull/14957) by [@tiangolo](https:/ | Low | 2/21/2026 |
| 0.129.1 | ### Fixes * ♻️ Fix JSON Schema for bytes, use `"contentMediaType": "application/octet-stream"` instead of `"format": "binary"`. PR [#14953](https://github.com/fastapi/fastapi/pull/14953) by [@tiangolo](https://github.com/tiangolo). ### Docs * 🔨 Add Kapa.ai widget (AI chatbot). PR [#14938](https://github.com/fastapi/fastapi/pull/14938) by [@tiangolo](https://github.com/tiangolo). * 🔥 Remove Python 3.9 specific files, no longer needed after updating translations. PR [#14931](https://gi | Low | 2/21/2026 |
| 0.129.0 | ### Breaking Changes * ➖ Drop support for Python 3.9. PR [#14897](https://github.com/fastapi/fastapi/pull/14897) by [@tiangolo](https://github.com/tiangolo). ### Refactors * 🎨 Update internal types for Python 3.10. PR [#14898](https://github.com/fastapi/fastapi/pull/14898) by [@tiangolo](https://github.com/tiangolo). ### Docs * 📝 Update highlights in webhooks docs. PR [#14905](https://github.com/fastapi/fastapi/pull/14905) by [@tiangolo](https://github.com/tiangolo). * 📝 Updat | Low | 2/12/2026 |
| 0.128.8 | ### Docs * 📝 Fix grammar in `docs/en/docs/tutorial/first-steps.md`. PR [#14708](https://github.com/fastapi/fastapi/pull/14708) by [@SanjanaS10](https://github.com/SanjanaS10). ### Internal * 🔨 Tweak PDM hook script. PR [#14895](https://github.com/fastapi/fastapi/pull/14895) by [@tiangolo](https://github.com/tiangolo). * ♻️ Update build setup for `fastapi-slim`, deprecate it, and make it only depend on `fastapi`. PR [#14894](https://github.com/fastapi/fastapi/pull/14894) by [@tiangolo | Low | 2/11/2026 |
| 0.128.7 | ### Features * ✨ Show a clear error on attempt to include router into itself. PR [#14258](https://github.com/fastapi/fastapi/pull/14258) by [@JavierSanchezCastro](https://github.com/JavierSanchezCastro). * ✨ Replace `dict` by `Mapping` on `HTTPException.headers`. PR [#12997](https://github.com/fastapi/fastapi/pull/12997) by [@rijenkii](https://github.com/rijenkii). ### Refactors * ♻️ Simplify reading files in memory, do it sequentially instead of (fake) parallel. PR [#14884](https://gi | Low | 2/10/2026 |
| 0.128.6 | ### Fixes * 🐛 Fix `on_startup` and `on_shutdown` parameters of `APIRouter`. PR [#14873](https://github.com/fastapi/fastapi/pull/14873) by [@YuriiMotov](https://github.com/YuriiMotov). ### Translations * 🌐 Update translations for zh (update-outdated). PR [#14843](https://github.com/fastapi/fastapi/pull/14843) by [@tiangolo](https://github.com/tiangolo). ### Internal * ✅ Fix parameterized tests with snapshots. PR [#14875](https://github.com/fastapi/fastapi/pull/14875) by [@YuriiMo | Low | 2/9/2026 |
| 0.128.5 | ### Refactors * ♻️ Refactor and simplify Pydantic v2 (and v1) compatibility internal utils. PR [#14862](https://github.com/fastapi/fastapi/pull/14862) by [@tiangolo](https://github.com/tiangolo). ### Internal * ✅ Add inline snapshot tests for OpenAPI before changes from Pydantic v2. PR [#14864](https://github.com/fastapi/fastapi/pull/14864) by [@tiangolo](https://github.com/tiangolo). | Low | 2/8/2026 |
| 0.128.4 | ### Refactors * ♻️ Refactor internals, simplify Pydantic v2/v1 utils, `create_model_field`, better types for `lenient_issubclass`. PR [#14860](https://github.com/fastapi/fastapi/pull/14860) by [@tiangolo](https://github.com/tiangolo). * ♻️ Simplify internals, remove Pydantic v1 only logic, no longer needed. PR [#14857](https://github.com/fastapi/fastapi/pull/14857) by [@tiangolo](https://github.com/tiangolo). * ♻️ Refactor internals, cleanup unneeded Pydantic v1 specific logic. PR [#14856]( | Low | 2/7/2026 |
| 0.128.3 | ### Refactors * ♻️ Re-implement `on_event` in FastAPI for compatibility with the next Starlette, while keeping backwards compatibility. PR [#14851](https://github.com/fastapi/fastapi/pull/14851) by [@tiangolo](https://github.com/tiangolo). ### Upgrades * ⬆️ Upgrade Starlette supported version range to `starlette>=0.40.0,<1.0.0`. PR [#14853](https://github.com/fastapi/fastapi/pull/14853) by [@tiangolo](https://github.com/tiangolo). ### Translations * 🌐 Update translations for ru ( | Low | 2/6/2026 |
| 0.128.2 | ### Features * ✨ Add support for PEP695 `TypeAliasType`. PR [#13920](https://github.com/fastapi/fastapi/pull/13920) by [@cstruct](https://github.com/cstruct). * ✨ Allow `Response` type hint as dependency annotation. PR [#14794](https://github.com/fastapi/fastapi/pull/14794) by [@jonathan-fulton](https://github.com/jonathan-fulton). ### Fixes * 🐛 Fix using `Json[list[str]]` type (issue #10997). PR [#14616](https://github.com/fastapi/fastapi/pull/14616) by [@mkanetsuna](https://github.c | Low | 2/5/2026 |
| 0.128.1 | ### Features * ✨ Add `viewport` meta tag to improve Swagger UI on mobile devices. PR [#14777](https://github.com/fastapi/fastapi/pull/14777) by [@Joab0](https://github.com/Joab0). * 🚸 Improve error message for invalid query parameter type annotations. PR [#14479](https://github.com/fastapi/fastapi/pull/14479) by [@retwish](https://github.com/retwish). ### Fixes * 🐛 Update `ValidationError` schema to include `input` and `ctx`. PR [#14791](https://github.com/fastapi/fastapi/pull/14791) | Low | 2/4/2026 |
| 0.128.0 | ### Breaking Changes * ➖ Drop support for `pydantic.v1`. PR [#14609](https://github.com/fastapi/fastapi/pull/14609) by [@tiangolo](https://github.com/tiangolo). ### Internal * ✅ Run performance tests only on Pydantic v2. PR [#14608](https://github.com/fastapi/fastapi/pull/14608) by [@tiangolo](https://github.com/tiangolo). | Low | 12/27/2025 |
| 0.127.1 | ### Refactors * 🔊 Add a custom `FastAPIDeprecationWarning`. PR [#14605](https://github.com/fastapi/fastapi/pull/14605) by [@tiangolo](https://github.com/tiangolo). ### Docs * 📝 Add documentary to website. PR [#14600](https://github.com/fastapi/fastapi/pull/14600) by [@tiangolo](https://github.com/tiangolo). ### Translations * 🌐 Update translations for de (update-outdated). PR [#14602](https://github.com/fastapi/fastapi/pull/14602) by [@nilslindemann](https://github.com/nilslind | Low | 12/26/2025 |
| 0.127.0 | ### Breaking Changes * 🔊 Add deprecation warnings when using `pydantic.v1`. PR [#14583](https://github.com/fastapi/fastapi/pull/14583) by [@tiangolo](https://github.com/tiangolo). ### Translations * 🔧 Add LLM prompt file for Korean, generated from the existing translations. PR [#14546](https://github.com/fastapi/fastapi/pull/14546) by [@tiangolo](https://github.com/tiangolo). * 🔧 Add LLM prompt file for Japanese, generated from the existing translations. PR [#14545](https://github.c | Low | 12/21/2025 |
| 0.126.0 | ### Upgrades * ➖ Drop support for Pydantic v1, keeping short temporary support for Pydantic v2's `pydantic.v1`. PR [#14575](https://github.com/fastapi/fastapi/pull/14575) by [@tiangolo](https://github.com/tiangolo). * The minimum version of Pydantic installed is now `pydantic >=2.7.0`. * The `standard` dependencies now include `pydantic-settings >=2.0.0` and `pydantic-extra-types >=2.0.0`. ### Docs * 📝 Fix duplicated variable in `docs_src/python_types/tutorial005_py39.py`. PR | Low | 12/20/2025 |
| 0.125.0 | ### Breaking Changes * 🔧 Drop support for Python 3.8. PR [#14563](https://github.com/fastapi/fastapi/pull/14563) by [@tiangolo](https://github.com/tiangolo). * This would actually not be a _breaking_ change as no code would really break. Any Python 3.8 installer would just refuse to install the latest version of FastAPI and would only install 0.124.4. Only marking it as a "breaking change" to make it visible. ### Refactors * ♻️ Upgrade internal syntax to Python 3.9+ 🎉. PR [#14564 | Low | 12/17/2025 |
| 0.124.4 | ### Fixes * 🐛 Fix parameter aliases. PR [#14371](https://github.com/fastapi/fastapi/pull/14371) by [@YuriiMotov](https://github.com/YuriiMotov). | Low | 12/12/2025 |
| 0.124.3 | ### Fixes * 🐛 Fix support for tagged union with discriminator inside of `Annotated` with `Body()`. PR [#14512](https://github.com/fastapi/fastapi/pull/14512) by [@tiangolo](https://github.com/tiangolo). ### Refactors * ✅ Add set of tests for request parameters and alias. PR [#14358](https://github.com/fastapi/fastapi/pull/14358) by [@YuriiMotov](https://github.com/YuriiMotov). ### Docs * 📝 Tweak links format. PR [#14505](https://github.com/fastapi/fastapi/pull/14505) by [@tiango | Low | 12/12/2025 |
| 0.124.2 | ### Fixes * 🐛 Fix support for `if TYPE_CHECKING`, non-evaluated stringified annotations. PR [#14485](https://github.com/fastapi/fastapi/pull/14485) by [@tiangolo](https://github.com/tiangolo). | Low | 12/10/2025 |
| 0.124.1 | ### Fixes * 🐛 Fix handling arbitrary types when using `arbitrary_types_allowed=True`. PR [#14482](https://github.com/fastapi/fastapi/pull/14482) by [@tiangolo](https://github.com/tiangolo). ### Docs * 📝 Add variants for code examples in "Advanced User Guide". PR [#14413](https://github.com/fastapi/fastapi/pull/14413) by [@YuriiMotov](https://github.com/YuriiMotov). * 📝 Update tech stack in project generation docs. PR [#14472](https://github.com/fastapi/fastapi/pull/14472) by [@alejs | Low | 12/10/2025 |
| 0.124.0 | ### Features * 🚸 Improve tracebacks by adding endpoint metadata. PR [#14306](https://github.com/fastapi/fastapi/pull/14306) by [@savannahostrowski](https://github.com/savannahostrowski). ### Internal * ✏️ Fix typo in `scripts/mkdocs_hooks.py`. PR [#14457](https://github.com/fastapi/fastapi/pull/14457) by [@yujiteshima](https://github.com/yujiteshima). | Low | 12/6/2025 |
| 0.123.10 | ### Fixes * 🐛 Fix using class (not instance) dependency that has `__call__` method. PR [#14458](https://github.com/fastapi/fastapi/pull/14458) by [@YuriiMotov](https://github.com/YuriiMotov). * 🐛 Fix `separate_input_output_schemas=False` with `computed_field`. PR [#14453](https://github.com/fastapi/fastapi/pull/14453) by [@YuriiMotov](https://github.com/YuriiMotov). | Low | 12/5/2025 |
| 0.123.9 | ### Fixes * 🐛 Fix OAuth2 scopes in OpenAPI in extra corner cases, parent dependency with scopes, sub-dependency security scheme without scopes. PR [#14459](https://github.com/fastapi/fastapi/pull/14459) by [@tiangolo](https://github.com/tiangolo). | Low | 12/4/2025 |
| 0.123.8 | ### Fixes * 🐛 Fix OpenAPI security scheme OAuth2 scopes declaration, deduplicate security schemes with different scopes. PR [#14455](https://github.com/fastapi/fastapi/pull/14455) by [@tiangolo](https://github.com/tiangolo). | Low | 12/4/2025 |
| 0.123.7 | ### Fixes * 🐛 Fix evaluating stringified annotations in Python 3.10. PR [#11355](https://github.com/fastapi/fastapi/pull/11355) by [@chaen](https://github.com/chaen). | Low | 12/4/2025 |
| 0.123.6 | ### Fixes * 🐛 Fix support for functools wraps and partial combined, for async and regular functions and classes in path operations and dependencies. PR [#14448](https://github.com/fastapi/fastapi/pull/14448) by [@tiangolo](https://github.com/tiangolo). | Low | 12/4/2025 |
| 0.123.5 | ### Features * ✨ Allow using dependables with `functools.partial()`. PR [#9753](https://github.com/fastapi/fastapi/pull/9753) by [@lieryan](https://github.com/lieryan). * ✨ Add support for wrapped functions (e.g. `@functools.wraps()`) used with forward references. PR [#5077](https://github.com/fastapi/fastapi/pull/5077) by [@lucaswiman](https://github.com/lucaswiman). * ✨ Handle wrapped dependencies. PR [#9555](https://github.com/fastapi/fastapi/pull/9555) by [@phy1729](https://github.com/p | Low | 12/2/2025 |
| 0.123.4 | ### Fixes * 🐛 Fix OpenAPI schema support for computed fields when using `separate_input_output_schemas=False`. PR [#13207](https://github.com/fastapi/fastapi/pull/13207) by [@vgrafe](https://github.com/vgrafe). ### Docs * 📝 Fix docstring of `servers` parameter. PR [#14405](https://github.com/fastapi/fastapi/pull/14405) by [@YuriiMotov](https://github.com/YuriiMotov). | Low | 12/2/2025 |
| 0.123.3 | ### Fixes * 🐛 Fix Query\Header\Cookie parameter model alias. PR [#14360](https://github.com/fastapi/fastapi/pull/14360) by [@YuriiMotov](https://github.com/YuriiMotov). * 🐛 Fix optional sequence handling in `serialize sequence value` with Pydantic V2. PR [#14297](https://github.com/fastapi/fastapi/pull/14297) by [@YuriiMotov](https://github.com/YuriiMotov). | Low | 12/2/2025 |
| 0.123.2 | ### Fixes * 🐛 Fix unformatted `{type_}` in FastAPIError. PR [#14416](https://github.com/fastapi/fastapi/pull/14416) by [@Just-Helpful](https://github.com/Just-Helpful). * 🐛 Fix parsing extra non-body parameter list. PR [#14356](https://github.com/fastapi/fastapi/pull/14356) by [@YuriiMotov](https://github.com/YuriiMotov). * 🐛 Fix parsing extra `Form` parameter list. PR [#14303](https://github.com/fastapi/fastapi/pull/14303) by [@YuriiMotov](https://github.com/YuriiMotov). * 🐛 Fix suppo | Low | 12/2/2025 |
| 0.123.1 | ### Fixes * 🐛 Avoid accessing non-existing "$ref" key for Pydantic v2 compat remapping. PR [#14361](https://github.com/fastapi/fastapi/pull/14361) by [@svlandeg](https://github.com/svlandeg). * 🐛 Fix `TypeError` when encoding a decimal with a `NaN` or `Infinity` value. PR [#12935](https://github.com/fastapi/fastapi/pull/12935) by [@kentwelcome](https://github.com/kentwelcome). ### Internal * 🐛 Fix Windows UnicodeEncodeError in CLI test. PR [#14295](https://github.com/fastapi/fastapi | Low | 12/2/2025 |
| 0.123.0 | ### Fixes * 🐛 Cache dependencies that don't use scopes and don't have sub-dependencies with scopes. PR [#14419](https://github.com/fastapi/fastapi/pull/14419) by [@tiangolo](https://github.com/tiangolo). | Low | 11/30/2025 |
| 0.122.1 | ### Fixes * 🐛 Fix hierarchical security scope propagation. PR [#5624](https://github.com/fastapi/fastapi/pull/5624) by [@kristjanvalur](https://github.com/kristjanvalur). ### Docs * 💅 Update CSS to explicitly use emoji font. PR [#14415](https://github.com/fastapi/fastapi/pull/14415) by [@tiangolo](https://github.com/tiangolo). ### Internal * ⬆ Bump markdown-include-variants from 0.0.5 to 0.0.6. PR [#14418](https://github.com/fastapi/fastapi/pull/14418) by [@YuriiMotov](https://g | Low | 11/30/2025 |
| 0.122.0 | ### Fixes * 🐛 Use `401` status code in security classes when credentials are missing. PR [#13786](https://github.com/fastapi/fastapi/pull/13786) by [@YuriiMotov](https://github.com/YuriiMotov). * If your code depended on these classes raising the old (less correct) `403` status code, check the new docs about how to override the classes, to use the same old behavior: [Use Old 403 Authentication Error Status Codes](https://fastapi.tiangolo.com/how-to/authentication-error-status-code/). | Low | 11/24/2025 |
| 0.121.3 | ## 0.121.3 ### Refactors * ♻️ Make the result of `Depends()` and `Security()` hashable, as a workaround for other tools interacting with these internal parts. PR [#14372](https://github.com/fastapi/fastapi/pull/14372) by [@tiangolo](https://github.com/tiangolo). ### Upgrades * ⬆️ Bump Starlette to <`0.51.0`. PR [#14282](https://github.com/fastapi/fastapi/pull/14282) by [@musicinmybrain](https://github.com/musicinmybrain). ### Docs * 📝 Add missing hash part. PR [#14369](https:/ | Low | 11/19/2025 |
| 0.121.2 | ### Fixes * 🐛 Fix handling of JSON Schema attributes named "$ref". PR [#14349](https://github.com/fastapi/fastapi/pull/14349) by [@tiangolo](https://github.com/tiangolo). ### Docs * 📝 Add EuroPython talk & podcast episode with Sebastián Ramírez. PR [#14260](https://github.com/fastapi/fastapi/pull/14260) by [@clytaemnestra](https://github.com/clytaemnestra). * ✏️ Fix links and add missing permalink in docs. PR [#14217](https://github.com/fastapi/fastapi/pull/14217) by [@YuriiMotov](ht | Low | 11/13/2025 |
| 0.121.1 | ### Fixes * 🐛 Fix `Depends(func, scope='function')` for top level (parameterless) dependencies. PR [#14301](https://github.com/fastapi/fastapi/pull/14301) by [@luzzodev](https://github.com/luzzodev). ### Docs * 📝 Upate docs for advanced dependencies with `yield`, noting the changes in 0.121.0, adding `scope`. PR [#14287](https://github.com/fastapi/fastapi/pull/14287) by [@tiangolo](https://github.com/tiangolo). ### Internal * ⬆ Bump ruff from 0.13.2 to 0.14.3. PR [#14276](https: | Low | 11/8/2025 |
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