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tiangolo · 2025-10-30T20:42:54Z

✨ Add support for dependencies with scopes, support scope="request" for dependencies with yield that exit before the response is sent

This adds support for

Depends(func, scope="request"), the default.
Depends(func, scope="function"), early exit, after the function, but before sending the response back.

I'm considering an alternative name for the scope parameter of mode, to avoid any confusion with OAuth scopes, e.g. Security(scopes=["blah"]), which is a completely different idea.

Or a potential future Depends(oauth_scopes=["blah"]) to replace Security(scopes=["blah"]).

That's the only reason to consider mode over scope.

I'm also considering the values, currently they are:

"function": start before the path operation function, exit after the function returns but before the response is sent.
"request": start before the path operation function (same as above), exit after the response is sent back.

I'm considering an alternative name for "request" of "response", with the same behavior.

The rationale for using "request" as the value is that the dependency runs around (start and end) of the request cycle.

The rationale for using "response" as the value is that the main difference with "function" is when the exit code is run, in "function" it is run after the function is done, in this second form ("request" or "response") it is run after the response is sent back.

I'm using this interface design because I also plan on (potentially, possibly) add a new scope="lifespan" that would allow using dependencies (or equivalent) functions that are run only once per app, and closed when the app ends. This way the same functionality for dependencies could be used for the app lifespan (ASGI startup and shutdown events). It should be more intuitive for users to work with. But these are future plans.

2025-10-03 Edit

After asking in several places, I concluded to keep the parameter name as scope.

I'll also keep the current values of "function", similar to pytest, and "request", to avoid confusing users who could think that the dependency will start running when the response is being sent, but it starts when the request starts.

… that automatically

… calling each other to 1 calling itself

… the state

potiuk · 2025-11-01T17:12:24Z

Small comment - I am not sure how well I can comment on the code itself :) as I am vaguely familiar with it, but I think I can comment on the UX of it.

scope is way better choice than mode, more natural. And I think there is very little probability of people confusing Dependency(scope= with Security(scope=. Having both as keyword parameters and practically always being specified right after the class, namespaces them properly already. It very nicely reads as "dependency_scope" and "security_scope" - following nicely "literate programming" principles by Donald Knuth.
I think maybe a better and more consistent naming for scopes would be "request" and "response" - where request would be an "early" exit, and "response" would be "late" exit after response is prepared. This is - I think way more natural and describes the expected behaviour way more intuitively for my taste. Having "function" and "request/response" as two scopes somehow mixes the abstraction layers and it's not too intuitive.

UPDATE: comment - I have not spent a lot of time with FastAPI so my suggestions might be missing some of the context, this is mostly based on my general programming intuition.

Danstiv · 2025-11-01T17:28:11Z

Hello!

Let's consider the following pseudo-example:

def db_dep():
    # some code to create and yield a sqlalchemy session
    ...

def chat_repo_dep(db_session = Depends(db_dep)):
    # some code to create a chat repository
    ...

@router.post("/")
def create_chat(repo: ChatRepository = Depends(chat_repo_dep)):
    ...

@router.get("/")
def get_chat(repo: ChatRepository = Depends(chat_repo_dep)):
    ...

@router.patch("/")
def update_chat(repo: ChatRepository = Depends(chat_repo_dep)):
    ...

@router.post("/generate")
def generate_llm_response(repo: ChatRepository = Depends(chat_repo_dep)) -> StreamingResponse:
    # some code that returns a StreamingResponse
    ...

So, we have a dependency with a SQLAlchemy session, and also a chat repository dependency that requires the SQLAlchemy session.

We have many regular endpoints that return a response all at once, and the behavior for them is fine.
However, some endpoints might return a StreamingResponse, and the response iterator won't be able to work with the chat repository because it depends on the DB session, which was closed when generate_llm_response returned the StreamingResponse.

Also, we cannot influence this behavior when declaring the dependency, since generate_llm_response depends on the chat repository, not on db_session directly.

The only solution I've come to is to create a separate repository for StreamingResponse and use it in the iterator.

Therefore, it might be worth considering something like a StreamingResponse with dependencies.

YuriiMotov · 2025-11-01T21:18:24Z

If I got the idea of use case described by @Danstiv correctly, then the solution could be:

use function as a default scope for top level dependencies (that are not used as sub-dependencies anywhere)
for sub-dependencies use the scope of their outer dependency

Code example to illustrate:

def db_dep():
    # some code to create and yield a sqlalchemy session
    ...

def chat_repo_dep(db_session = Depends(db_dep)):
    # some code to create a chat repository
    ...

@router.post("/")
def create_chat(repo: ChatRepository = Depends(chat_repo_dep, scope="function")):
    ...

@router.post("/generate")
def generate_llm_response(repo: ChatRepository = Depends(chat_repo_dep)) -> StreamingResponse:
    # some code that returns a StreamingResponse
    ...

Since we don't specify scope for chat_repo_dep in generate_llm_response, the scope for it and all sub-dependencies will be request.
But in create_chat we specified scope="function" and it will be used as a default for all sub-dependencies

ashb · 2025-11-02T10:23:10Z

I personally think something like "response" or "response-sent" would be more accurate than "request", since at least in my head it's the request-response cycle, and the request phase is over when the request has been sent.

I realise this likely isn't a common pov. Just my 2p

Another option than scope might be to name the parameter something like finalize_after. Pro: more explicit what it's controlling for this case. Con: doesn't generalise to app lifecycle.

github-actions · 2025-11-03T09:56:40Z

📝 Docs preview

Last commit 90957d9 at: https://93d23dcf.fastapitiangolo.pages.dev

Modified Pages

https://93d23dcf.fastapitiangolo.pages.dev/tutorial/dependencies/dependencies-with-yield/ - (before)

tiangolo · 2025-11-03T09:59:23Z

This will be available in version 0.121.0, released in the next hours. 🎉

Thanks for the feedback @potiuk! 🙌

I concluded I'll leave the current names, more details in the description.

@Danstiv it seems to me that the issue you are describing was the behavior before FastAPI 0.118.0. Please check the release notes and update your FastAPI version, that should be working already.

This PR is about allowing people to opt in to that old behavior in a case-by-case basis.

If you still have issues, please create a new discussion question following the template.

And thanks @YuriiMotov! ☕

Thanks for the feedback @ashb! I decided to keep the names as they are in this PR, more details in the description.

potiuk · 2025-11-03T10:47:46Z

Thanks - whatever decision, it's good to have the feature :)

pierrejeambrun · 2025-11-03T11:14:00Z

Just to mention that moving out is_coroutine_callable is_gen_callable etc from dependencies.utils broke some other third parties libraries. (Not sure if those were part of the public interface though, or if we have anything like this for initial development version of FastAPI)

For instance https://github.com/zmievsa/cadwyn.

tiangolo · 2025-11-03T11:44:48Z

Thanks @pierrejeambrun, that is not part of a public API for FastAPI, is not documented.

It would be best if they added a feature request with an official way for them to change the things they need, explaining why is it needed to use and change internals of FastAPI.

YuriiMotov · 2025-11-03T11:51:19Z

I still think that the comment of Danstiv was valid. Consider the following code example. Imagine we have repository dependency that depends on db_dep. Currently we can't configure it to close session before sending the response for endpoints that don't need to interact with DB in response generator. The only way is to have two chat_repo_dep that use different scope for db_dep.
But now I think it's not so easy to solve..

Details

import asyncio
from datetime import datetime
from typing import Annotated

from fastapi import Depends, FastAPI
from fastapi.responses import StreamingResponse

# Classes

class Session:
    def __init__(self):
        self.status = "closed"

    def __enter__(self):
        self.status = "open"
        print(f"open session ({datetime.now()})")
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        self.status = "closed"
        print(f"close session ({datetime.now()})")

class ChatRepository:
    def __init__(self, session: Session):
        self.session = session


# Dependencies

def db_dep():
    with Session() as session:
        yield session

def chat_repo_dep(db_session: Annotated[Session, Depends(db_dep)]):
    yield ChatRepository(session=db_session)


# Endpoints

app = FastAPI()

@app.get("/generate-needs-session")
def generate_llm_response_1(
    repo: Annotated[ChatRepository, Depends(chat_repo_dep)],
):
    async def gen_response(repo: ChatRepository):
        for i in range(5):
            yield f"response part {i}"
            await asyncio.sleep(0.1)

    return StreamingResponse(gen_response(repo=repo), media_type="text/plain")


@app.get("/generate-doesnt-need-session")
def generate_llm_response_2(
    repo: Annotated[ChatRepository, Depends(chat_repo_dep, scope="function")],
):
    async def gen_response():
        for i in range(5):
            yield f"response part {i}"
            await asyncio.sleep(0.1)

    return StreamingResponse(gen_response(), media_type="text/plain")

One more thing - we may have situations when regular dependency (with return) and scope="request" depends on dependency with yield which scope is function. This will not raise errors on app instantiation, but may lead to runtime errors if the session is saved and used in streaming generator.
This is actually a user error (they should use dependency with yield), but it's easy to forget this and not so easy to debug.

Details

import asyncio
from datetime import datetime
from typing import Annotated

from fastapi import Depends, FastAPI
from fastapi.responses import StreamingResponse

# Classes

class Session:
    def __init__(self):
        self.status = "closed"

    def __enter__(self):
        self.status = "open"
        print(f"open session ({datetime.now()})")
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        self.status = "closed"
        print(f"close session ({datetime.now()})")

class ChatRepository:
    def __init__(self, session: Session):
        self.session = session


# Dependencies

def db_dep():
    with Session() as session:
        yield session

def chat_repo_dep(db_session: Annotated[Session, Depends(db_dep, scope="function")]):
    return ChatRepository(session=db_session)  # Oops.. return instead of yield


# Endpoints

app = FastAPI()

@app.get("/generate-needs-session")
def generate_llm_response_1(
    repo: Annotated[ChatRepository, Depends(chat_repo_dep)],
):
    async def gen_response(repo: ChatRepository):
        for i in range(5):
            assert repo.session.status == "open"  # This will fail
            yield f"response part {i}"
            await asyncio.sleep(0.1)

    return StreamingResponse(gen_response(repo=repo), media_type="text/plain")

* Sync with #14262 * Sync with #14287 * Two improvements * "Frühzeitig beenden" -> "Frühes Beenden" * "Make herum" bold too

This MR contains the following updates: | Package | Type | Update | Change | OpenSSF | |---|---|---|---|---| | [celery](https://docs.celeryq.dev/) ([source](https://github.com/celery/celery), [changelog](https://docs.celeryq.dev/en/stable/changelog.html)) | dependencies | minor | `5.5.3` → `5.6.2` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/celery/celery/badge)](https://securityscorecards.dev/viewer/?uri=github.com/celery/celery) | | [celery-types](https://github.com/sbdchd/celery-types) | dependencies | minor | `^0.22.0` → `^0.24.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/sbdchd/celery-types/badge)](https://securityscorecards.dev/viewer/?uri=github.com/sbdchd/celery-types) | | [fastapi](https://github.com/fastapi/fastapi) ([changelog](https://fastapi.tiangolo.com/release-notes/)) | dependencies | minor | `^0.115.12` → `^0.128.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/fastapi/fastapi/badge)](https://securityscorecards.dev/viewer/?uri=github.com/fastapi/fastapi) | | [filelock](https://github.com/tox-dev/py-filelock) | dependencies | minor | `3.14.0` → `3.20.3` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/tox-dev/py-filelock/badge)](https://securityscorecards.dev/viewer/?uri=github.com/tox-dev/py-filelock) | | [luqum](https://github.com/jurismarches/luqum) | dependencies | minor | `^0.13.0` → `^0.14.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/jurismarches/luqum/badge)](https://securityscorecards.dev/viewer/?uri=github.com/jurismarches/luqum) | | [ollama](https://github.com/ollama/ollama-python) | dependencies | minor | `^0.5.1` → `^0.6.0` | [![OpenSSF 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([changelog](https://github.com/pydantic/pydantic-settings/releases)) | dependencies | minor | `2.2.1` → `2.12.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/pydantic/pydantic-settings/badge)](https://securityscorecards.dev/viewer/?uri=github.com/pydantic/pydantic-settings) | | [pymongo](https://github.com/mongodb/mongo-python-driver) | dependencies | minor | `4.15.5` → `4.16.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/mongodb/mongo-python-driver/badge)](https://securityscorecards.dev/viewer/?uri=github.com/mongodb/mongo-python-driver) | | [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) ([changelog](https://pytest-asyncio.readthedocs.io/en/latest/reference/changelog.html)) | dependencies | minor | `^0.23.6` → `^0.26.0` | [![OpenSSF 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`1.8.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/scikit-learn/scikit-learn/badge)](https://securityscorecards.dev/viewer/?uri=github.com/scikit-learn/scikit-learn) | | [scipy](https://github.com/scipy/scipy) | dependencies | minor | `1.15.3` → `1.17.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/scipy/scipy/badge)](https://securityscorecards.dev/viewer/?uri=github.com/scipy/scipy) | | [uvicorn](https://github.com/Kludex/uvicorn) ([changelog](https://uvicorn.dev/release-notes)) | dependencies | minor | `^0.29.0` → `^0.40.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/Kludex/uvicorn/badge)](https://securityscorecards.dev/viewer/?uri=github.com/Kludex/uvicorn) | --- ### Release Notes <details> <summary>celery/celery (celery)</summary> ### [`v5.6.2`](https://github.com/celery/celery/blob/HEAD/Changelog.rst#562) [Compare Source](https://github.com/celery/celery/compare/v5.6.1...v5.6.2) \===== :release-date: 2026-01-04 :release-by: Tomer Nosrati What's Changed ``` - Fix recursive WorkController instantiation in DjangoWorkerFixup + AttributeError when pool_cls is a string (#10045) - Bugfix: Revoked tasks now immediately update backend status to REVOKED (#9869) - Prepare for release: v5.6.2 (#10049) .. _version-5.6.1: 5.6.1 ===== :release-date: 2025-12-29 :release-by: Tomer Nosrati What's Changed ``` - Fix Redis Sentinel ACL authentication support ([#10013](https://github.com/celery/celery/issues/10013)) - Fix: Broker heartbeats not sent during graceful shutdown ([#9986](https://github.com/celery/celery/issues/9986)) - docs [#5410](https://github.com/celery/celery/issues/5410) -- Document confirm\_publish broker transport option ([#10016](https://github.com/celery/celery/issues/10016)) - close DB pools only in prefork mode ([#10020](https://github.com/celery/celery/issues/10020)) - Fix: Avoid unnecessary Django database connection creation during cleanup ([#10015](https://github.com/celery/celery/issues/10015)) - reliable prefork detection ([#10023](https://github.com/celery/celery/issues/10023)) - better coverage ([#10029](https://github.com/celery/celery/issues/10029)) - Docs: clarify `result_extended` vs periodic task metadata and show `headers["periodic_task_name"]` example ([#10030](https://github.com/celery/celery/issues/10030)) - Stop importing pytest\_subtests ([#10032](https://github.com/celery/celery/issues/10032)) - Only use exceptiongroup backport for Python < 3.11 ([#10033](https://github.com/celery/celery/issues/10033)) - Prepare for release: v5.6.1 ([#10037](https://github.com/celery/celery/issues/10037)) .. \_version-5.6.0: ### [`v5.6.1`](https://github.com/celery/celery/releases/tag/v5.6.1) [Compare Source](https://github.com/celery/celery/compare/v5.6.0...v5.6.1) #### What's Changed - Fix Redis Sentinel ACL authentication support by [@anthonykuzmich7](https://github.com/anthonykuzmich7) in [#10013](https://github.com/celery/celery/pull/10013) - Fix: Broker heartbeats not sent during graceful shutdown by [@weetster](https://github.com/weetster) in [#9986](https://github.com/celery/celery/pull/9986) - docs [#5410](https://github.com/celery/celery/issues/5410) -- Document confirm\_publish broker transport option by [@JaeHyuckSa](https://github.com/JaeHyuckSa) in [#10016](https://github.com/celery/celery/pull/10016) - close DB pools only in prefork mode by [@petrprikryl](https://github.com/petrprikryl) in [#10020](https://github.com/celery/celery/pull/10020) - Fix: Avoid unnecessary Django database connection creation during cleanup by [@snopoke](https://github.com/snopoke) in [#10015](https://github.com/celery/celery/pull/10015) - reliable prefork detection by [@petrprikryl](https://github.com/petrprikryl) in [#10023](https://github.com/celery/celery/pull/10023) - better coverage by [@petrprikryl](https://github.com/petrprikryl) in [#10029](https://github.com/celery/celery/pull/10029) - Docs: clarify `result_extended` vs periodic task metadata and show `headers["periodic_task_name"]` example by [@SpaceShaman](https://github.com/SpaceShaman) in [#10030](https://github.com/celery/celery/pull/10030) - Stop importing pytest\_subtests by [@cjwatson](https://github.com/cjwatson) in [#10032](https://github.com/celery/celery/pull/10032) - Only use exceptiongroup backport for Python < 3.11 by [@cjwatson](https://github.com/cjwatson) in [#10033](https://github.com/celery/celery/pull/10033) - Prepare for release: v5.6.1 by [@Nusnus](https://github.com/Nusnus) in [#10037](https://github.com/celery/celery/pull/10037) #### New Contributors - [@anthonykuzmich7](https://github.com/anthonykuzmich7) made their first contribution in [#10013](https://github.com/celery/celery/pull/10013) - [@weetster](https://github.com/weetster) made their first contribution in [#9986](https://github.com/celery/celery/pull/9986) - [@JaeHyuckSa](https://github.com/JaeHyuckSa) made their first contribution in [#10016](https://github.com/celery/celery/pull/10016) - [@snopoke](https://github.com/snopoke) made their first contribution in [#10015](https://github.com/celery/celery/pull/10015) - [@SpaceShaman](https://github.com/SpaceShaman) made their first contribution in [#10030](https://github.com/celery/celery/pull/10030) **Full Changelog**: <https://github.com/celery/celery/compare/v5.6.0...v5.6.1> ### [`v5.6.0`](https://github.com/celery/celery/blob/HEAD/Changelog.rst#560) [Compare Source](https://github.com/celery/celery/compare/v5.5.3...v5.6.0) \===== :release-date: 2025-11-30 :release-by: Tomer Nosrati Celery v5.6.0 is now available. Key Highlights ``` See :ref:`whatsnew-5.6` for a complete overview or read the main highlights below. Python 3.9 Minimum Version -------------------------- Celery 5.6.0 drops support for Python 3.8 (EOL). The minimum required Python version is now 3.9. Users still on Python 3.8 must upgrade their Python version before upgrading to Celery 5.6.0. Additionally, this release includes initial support for Python 3.14. SQS: Reverted to ``pycurl`` from ``urllib3`` -------------------------------------------- The switch from ``pycurl`` to ``urllib3`` for the SQS transport (introduced in Celery 5.5.0 via Kombu) has been reverted due to critical issues affecting SQS users: - Processing throughput dropped from ~100 tasks/sec to ~3/sec in some environments - ``UnknownOperationException`` errors causing container crash loops - Silent message processing failures with no error logs Users of the SQS transport must ensure ``pycurl`` is installed. If you removed ``pycurl`` after upgrading to Celery 5.5.0, you will need to reinstall it. Contributed by `@auvipy <https://github.com/auvipy>`_ in `#9620 <https://github.com/celery/celery/pull/9620>`_. Security Fix: Broker Credential Leak Prevention ------------------------------------------------ Fixed a security issue where broker URLs containing passwords were being logged in plaintext by the delayed delivery mechanism. Broker credentials are now properly sanitized in all log output. Contributed by `@giancarloromeo <https://github.com/giancarloromeo>`_ in `#9997 <https://github.com/celery/celery/pull/9997>`_. Memory Leak Fixes ----------------- Two significant memory leaks have been fixed in this release: **Exception Handling Memory Leak**: Fixed a critical memory leak in task exception handling that was particularly severe on Python 3.11+ due to enhanced traceback data. The fix properly breaks reference cycles in tracebacks to allow garbage collection. Contributed by `@jaiganeshs21 <https://github.com/jaiganeshs21>`_ in `#9799 <https://github.com/celery/celery/pull/9799>`_. **Pending Result Memory Leak**: Fixed a memory leak where ``AsyncResult`` subscriptions were not being cleaned up when results were forgotten. Contributed by `@tsoos99dev <https://github.com/tsoos99dev>`_ in `#9806 <https://github.com/celery/celery/pull/9806>`_. ETA Task Memory Limit --------------------- New configuration option :setting:`worker_eta_task_limit` to prevent out-of-memory crashes when workers fetch large numbers of ETA or countdown tasks. Previously, workers could exhaust available memory when the broker contained many scheduled tasks. Example usage: .. code-block:: python app.conf.worker_eta_task_limit = 1000 Contributed by `@sashu2310 <https://github.com/sashu2310>`_ in `#9853 <https://github.com/celery/celery/pull/9853>`_. Queue Type Selection for Auto-created Queues -------------------------------------------- New configuration options allow specifying the queue type and exchange type when Celery auto-creates missing queues. This is particularly useful for RabbitMQ users who want to use quorum queues with auto-created queues. Configuration options: - :setting:`task_create_missing_queue_type`: Sets the queue type for auto-created queues (e.g., ``quorum``, ``classic``) - :setting:`task_create_missing_queue_exchange_type`: Sets the exchange type for auto-created queues Example usage: .. code-block:: python app.conf.task_create_missing_queue_type = 'quorum' Contributed by `@ghirailghiro <https://github.com/ghirailghiro>`_ in `#9815 <https://github.com/celery/celery/pull/9815>`_. What's Changed ``` - Prepare for release: v5.6.0 ([#10010](https://github.com/celery/celery/issues/10010)) .. \_version-5.6.0rc2: </details> <details> <summary>fastapi/fastapi (fastapi)</summary> ### [`v0.128.0`](https://github.com/fastapi/fastapi/releases/tag/0.128.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.127.1...0.128.0) ##### Breaking Changes - ➖ Drop support for `pydantic.v1`. MR [#14609](https://github.com/fastapi/fastapi/pull/14609) by [@tiangolo](https://github.com/tiangolo). ##### Internal - ✅ Run performance tests only on Pydantic v2. MR [#14608](https://github.com/fastapi/fastapi/pull/14608) by [@tiangolo](https://github.com/tiangolo). ### [`v0.127.1`](https://github.com/fastapi/fastapi/releases/tag/0.127.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.127.0...0.127.1) ##### Refactors - 🔊 Add a custom `FastAPIDeprecationWarning`. MR [#14605](https://github.com/fastapi/fastapi/pull/14605) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Add documentary to website. MR [#14600](https://github.com/fastapi/fastapi/pull/14600) by [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Update translations for de (update-outdated). MR [#14602](https://github.com/fastapi/fastapi/pull/14602) by [@nilslindemann](https://github.com/nilslindemann). - 🌐 Update translations for de (update-outdated). MR [#14581](https://github.com/fastapi/fastapi/pull/14581) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - 🔧 Update pre-commit to use local Ruff instead of hook. MR [#14604](https://github.com/fastapi/fastapi/pull/14604) by [@tiangolo](https://github.com/tiangolo). - ✅ Add missing tests for code examples. MR [#14569](https://github.com/fastapi/fastapi/pull/14569) by [@YuriiMotov](https://github.com/YuriiMotov). - 👷 Remove `lint` job from `test` CI workflow. MR [#14593](https://github.com/fastapi/fastapi/pull/14593) by [@YuriiMotov](https://github.com/YuriiMotov). - 👷 Update secrets check. MR [#14592](https://github.com/fastapi/fastapi/pull/14592) by [@tiangolo](https://github.com/tiangolo). - 👷 Run CodSpeed tests in parallel to other tests to speed up CI. MR [#14586](https://github.com/fastapi/fastapi/pull/14586) by [@tiangolo](https://github.com/tiangolo). - 🔨 Update scripts and pre-commit to autofix files. MR [#14585](https://github.com/fastapi/fastapi/pull/14585) by [@tiangolo](https://github.com/tiangolo). ### [`v0.127.0`](https://github.com/fastapi/fastapi/releases/tag/0.127.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.126.0...0.127.0) ##### Breaking Changes - 🔊 Add deprecation warnings when using `pydantic.v1`. MR [#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. MR [#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. MR [#14545](https://github.com/fastapi/fastapi/pull/14545) by [@tiangolo](https://github.com/tiangolo). ##### Internal - ⬆️ Upgrade OpenAI model for translations to gpt-5.2. MR [#14579](https://github.com/fastapi/fastapi/pull/14579) by [@tiangolo](https://github.com/tiangolo). ### [`v0.126.0`](https://github.com/fastapi/fastapi/releases/tag/0.126.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.125.0...0.126.0) ##### Upgrades - ➖ Drop support for Pydantic v1, keeping short temporary support for Pydantic v2's `pydantic.v1`. MR [#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`. MR [#14565](https://github.com/fastapi/fastapi/pull/14565) by [@paras-verma7454](https://github.com/paras-verma7454). ##### Translations - 🔧 Add LLM prompt file for Ukrainian, generated from the existing translations. MR [#14548](https://github.com/fastapi/fastapi/pull/14548) by [@tiangolo](https://github.com/tiangolo). ##### Internal - 🔧 Tweak pre-commit to allow committing release-notes. MR [#14577](https://github.com/fastapi/fastapi/pull/14577) by [@tiangolo](https://github.com/tiangolo). - ⬆️ Use prek as a pre-commit alternative. MR [#14572](https://github.com/fastapi/fastapi/pull/14572) by [@tiangolo](https://github.com/tiangolo). - 👷 Add performance tests with CodSpeed. MR [#14558](https://github.com/fastapi/fastapi/pull/14558) by [@tiangolo](https://github.com/tiangolo). ### [`v0.125.0`](https://github.com/fastapi/fastapi/releases/tag/0.125.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.4...0.125.0) ##### Breaking Changes - 🔧 Drop support for Python 3.8. MR [#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+ 🎉. MR [#14564](https://github.com/fastapi/fastapi/pull/14564) by [@tiangolo](https://github.com/tiangolo). ##### Docs - ⚰️ Remove Python 3.8 from CI and remove Python 3.8 examples from source docs. MR [#14559](https://github.com/fastapi/fastapi/pull/14559) by [@YuriiMotov](https://github.com/YuriiMotov) and [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Update translations for pt (add-missing). MR [#14539](https://github.com/fastapi/fastapi/pull/14539) by [@tiangolo](https://github.com/tiangolo). - 🔧 Add LLM prompt file for French, generated from the existing French docs. MR [#14544](https://github.com/fastapi/fastapi/pull/14544) by [@tiangolo](https://github.com/tiangolo). - 🌐 Sync Portuguese docs (pages found with script). MR [#14554](https://github.com/fastapi/fastapi/pull/14554) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync Spanish docs (outdated pages found with script). MR [#14553](https://github.com/fastapi/fastapi/pull/14553) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync German docs. MR [#14519](https://github.com/fastapi/fastapi/pull/14519) by [@nilslindemann](https://github.com/nilslindemann). - 🔥 Remove inactive/scarce translations to Vietnamese. MR [#14543](https://github.com/fastapi/fastapi/pull/14543) by [@tiangolo](https://github.com/tiangolo). - 🔥 Remove inactive/scarce translations to Persian. MR [#14542](https://github.com/fastapi/fastapi/pull/14542) by [@tiangolo](https://github.com/tiangolo). - 🔥 Remove translation to emoji to simplify the new setup with LLM autotranslations. MR [#14541](https://github.com/fastapi/fastapi/pull/14541) by [@tiangolo](https://github.com/tiangolo). - 🌐 Update translations for pt (update-outdated). MR [#14537](https://github.com/fastapi/fastapi/pull/14537) by [@tiangolo](https://github.com/tiangolo). - 🌐 Update translations for es (update-outdated). MR [#14532](https://github.com/fastapi/fastapi/pull/14532) by [@tiangolo](https://github.com/tiangolo). - 🌐 Update translations for es (add-missing). MR [#14533](https://github.com/fastapi/fastapi/pull/14533) by [@tiangolo](https://github.com/tiangolo). - 🌐 Remove translations for removed docs. MR [#14516](https://github.com/fastapi/fastapi/pull/14516) by [@tiangolo](https://github.com/tiangolo). ##### Internal - ⬆ Bump `markdown-include-variants` from 0.0.7 to 0.0.8. MR [#14556](https://github.com/fastapi/fastapi/pull/14556) by [@YuriiMotov](https://github.com/YuriiMotov). - 🔧 Temporarily disable translations still in progress, being migrated to the new LLM setup. MR [#14555](https://github.com/fastapi/fastapi/pull/14555) by [@YuriiMotov](https://github.com/YuriiMotov). - 🔧 Update test workflow config, remove commented code. MR [#14540](https://github.com/fastapi/fastapi/pull/14540) by [@tiangolo](https://github.com/tiangolo). - 👷 Configure coverage, error on main tests, don't wait for Smokeshow. MR [#14536](https://github.com/fastapi/fastapi/pull/14536) by [@tiangolo](https://github.com/tiangolo). - 👷 Run Smokeshow always, even on test failures. MR [#14538](https://github.com/fastapi/fastapi/pull/14538) by [@tiangolo](https://github.com/tiangolo). - 👷 Make Pydantic versions customizable in CI. MR [#14535](https://github.com/fastapi/fastapi/pull/14535) by [@tiangolo](https://github.com/tiangolo). - 👷 Fix checkout GitHub Action fetch-depth for LLM translations, enable cron monthly. MR [#14531](https://github.com/fastapi/fastapi/pull/14531) by [@tiangolo](https://github.com/tiangolo). - 👷 Fix Typer command for CI LLM translations. MR [#14530](https://github.com/fastapi/fastapi/pull/14530) by [@tiangolo](https://github.com/tiangolo). - 👷 Update LLM translation CI, add language matrix and extra commands, prepare for scheduled run. MR [#14529](https://github.com/fastapi/fastapi/pull/14529) by [@tiangolo](https://github.com/tiangolo). - 👷 Update github-actions user for GitHub Actions workflows. MR [#14528](https://github.com/fastapi/fastapi/pull/14528) by [@tiangolo](https://github.com/tiangolo). - ➕ Add requirements for translations. MR [#14515](https://github.com/fastapi/fastapi/pull/14515) by [@tiangolo](https://github.com/tiangolo). ### [`v0.124.4`](https://github.com/fastapi/fastapi/releases/tag/0.124.4) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.3...0.124.4) ##### Fixes - 🐛 Fix parameter aliases. MR [#14371](https://github.com/fastapi/fastapi/pull/14371) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.124.3`](https://github.com/fastapi/fastapi/releases/tag/0.124.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.2...0.124.3) ##### Fixes - 🐛 Fix support for tagged union with discriminator inside of `Annotated` with `Body()`. MR [#14512](https://github.com/fastapi/fastapi/pull/14512) by [@tiangolo](https://github.com/tiangolo). ##### Refactors - ✅ Add set of tests for request parameters and alias. MR [#14358](https://github.com/fastapi/fastapi/pull/14358) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Docs - 📝 Tweak links format. MR [#14505](https://github.com/fastapi/fastapi/pull/14505) by [@tiangolo](https://github.com/tiangolo). - 📝 Update docs about re-raising validation errors, do not include string as is to not leak information. MR [#14487](https://github.com/fastapi/fastapi/pull/14487) by [@tiangolo](https://github.com/tiangolo). - 🔥 Remove external links section. MR [#14486](https://github.com/fastapi/fastapi/pull/14486) by [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Sync Russian docs. MR [#14509](https://github.com/fastapi/fastapi/pull/14509) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync German docs. MR [#14488](https://github.com/fastapi/fastapi/pull/14488) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - 👷 Tweak coverage to not pass Smokeshow max file size limit. MR [#14507](https://github.com/fastapi/fastapi/pull/14507) by [@tiangolo](https://github.com/tiangolo). - ✅ Expand test matrix to include Windows and MacOS. MR [#14171](https://github.com/fastapi/fastapi/pull/14171) by [@svlandeg](https://github.com/svlandeg). ### [`v0.124.2`](https://github.com/fastapi/fastapi/releases/tag/0.124.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.1...0.124.2) ##### Fixes - 🐛 Fix support for `if TYPE_CHECKING`, non-evaluated stringified annotations. MR [#14485](https://github.com/fastapi/fastapi/pull/14485) by [@tiangolo](https://github.com/tiangolo). ### [`v0.124.1`](https://github.com/fastapi/fastapi/releases/tag/0.124.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.0...0.124.1) ##### Fixes - 🐛 Fix handling arbitrary types when using `arbitrary_types_allowed=True`. MR [#14482](https://github.com/fastapi/fastapi/pull/14482) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Add variants for code examples in "Advanced User Guide". MR [#14413](https://github.com/fastapi/fastapi/pull/14413) by [@YuriiMotov](https://github.com/YuriiMotov). - 📝 Update tech stack in project generation docs. MR [#14472](https://github.com/fastapi/fastapi/pull/14472) by [@alejsdev](https://github.com/alejsdev). ##### Internal - ✅ Add test for Pydantic v2, dataclasses, UUID, and `__annotations__`. MR [#14477](https://github.com/fastapi/fastapi/pull/14477) by [@tiangolo](https://github.com/tiangolo). ### [`v0.124.0`](https://github.com/fastapi/fastapi/releases/tag/0.124.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.10...0.124.0) ##### Features - 🚸 Improve tracebacks by adding endpoint metadata. MR [#14306](https://github.com/fastapi/fastapi/pull/14306) by [@savannahostrowski](https://github.com/savannahostrowski). ##### Internal - ✏️ Fix typo in `scripts/mkdocs_hooks.py`. MR [#14457](https://github.com/fastapi/fastapi/pull/14457) by [@yujiteshima](https://github.com/yujiteshima). ### [`v0.123.10`](https://github.com/fastapi/fastapi/releases/tag/0.123.10) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.9...0.123.10) ##### Fixes - 🐛 Fix using class (not instance) dependency that has `__call__` method. MR [#14458](https://github.com/fastapi/fastapi/pull/14458) by [@YuriiMotov](https://github.com/YuriiMotov). - 🐛 Fix `separate_input_output_schemas=False` with `computed_field`. MR [#14453](https://github.com/fastapi/fastapi/pull/14453) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.123.9`](https://github.com/fastapi/fastapi/releases/tag/0.123.9) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.8...0.123.9) ##### Fixes - 🐛 Fix OAuth2 scopes in OpenAPI in extra corner cases, parent dependency with scopes, sub-dependency security scheme without scopes. MR [#14459](https://github.com/fastapi/fastapi/pull/14459) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.8`](https://github.com/fastapi/fastapi/releases/tag/0.123.8) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.7...0.123.8) ##### Fixes - 🐛 Fix OpenAPI security scheme OAuth2 scopes declaration, deduplicate security schemes with different scopes. MR [#14455](https://github.com/fastapi/fastapi/pull/14455) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.7`](https://github.com/fastapi/fastapi/releases/tag/0.123.7) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.6...0.123.7) ##### Fixes - 🐛 Fix evaluating stringified annotations in Python 3.10. MR [#11355](https://github.com/fastapi/fastapi/pull/11355) by [@chaen](https://github.com/chaen). ### [`v0.123.6`](https://github.com/fastapi/fastapi/releases/tag/0.123.6) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.5...0.123.6) ##### Fixes - 🐛 Fix support for functools wraps and partial combined, for async and regular functions and classes in path operations and dependencies. MR [#14448](https://github.com/fastapi/fastapi/pull/14448) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.5`](https://github.com/fastapi/fastapi/releases/tag/0.123.5) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.4...0.123.5) ##### Features - ✨ Allow using dependables with `functools.partial()`. MR [#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. MR [#5077](https://github.com/fastapi/fastapi/pull/5077) by [@lucaswiman](https://github.com/lucaswiman). - ✨ Handle wrapped dependencies. MR [#9555](https://github.com/fastapi/fastapi/pull/9555) by [@phy1729](https://github.com/phy1729). ##### Fixes - 🐛 Fix optional sequence handling with new union syntax from Python 3.10. MR [#14430](https://github.com/fastapi/fastapi/pull/14430) by [@Viicos](https://github.com/Viicos). ##### Refactors - 🔥 Remove dangling extra condiitonal no longer needed. MR [#14435](https://github.com/fastapi/fastapi/pull/14435) by [@tiangolo](https://github.com/tiangolo). - ♻️ Refactor internals, update `is_coroutine` check to reuse internal supported variants (unwrap, check class). MR [#14434](https://github.com/fastapi/fastapi/pull/14434) by [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Sync German docs. MR [#14367](https://github.com/fastapi/fastapi/pull/14367) by [@nilslindemann](https://github.com/nilslindemann). ### [`v0.123.4`](https://github.com/fastapi/fastapi/releases/tag/0.123.4) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.3...0.123.4) ##### Fixes - 🐛 Fix OpenAPI schema support for computed fields when using `separate_input_output_schemas=False`. MR [#13207](https://github.com/fastapi/fastapi/pull/13207) by [@vgrafe](https://github.com/vgrafe). ##### Docs - 📝 Fix docstring of `servers` parameter. MR [#14405](https://github.com/fastapi/fastapi/pull/14405) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.123.3`](https://github.com/fastapi/fastapi/releases/tag/0.123.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.2...0.123.3) ##### Fixes - 🐛 Fix Query\Header\Cookie parameter model alias. MR [#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. MR [#14297](https://github.com/fastapi/fastapi/pull/14297) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.123.2`](https://github.com/fastapi/fastapi/releases/tag/0.123.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.1...0.123.2) ##### Fixes - 🐛 Fix unformatted `{type_}` in FastAPIError. MR [#14416](https://github.com/fastapi/fastapi/pull/14416) by [@Just-Helpful](https://github.com/Just-Helpful). - 🐛 Fix parsing extra non-body parameter list. MR [#14356](https://github.com/fastapi/fastapi/pull/14356) by [@YuriiMotov](https://github.com/YuriiMotov). - 🐛 Fix parsing extra `Form` parameter list. MR [#14303](https://github.com/fastapi/fastapi/pull/14303) by [@YuriiMotov](https://github.com/YuriiMotov). - 🐛 Fix support for form values with empty strings interpreted as missing (`None` if that's the default), for compatibility with HTML forms. MR [#13537](https://github.com/fastapi/fastapi/pull/13537) by [@MarinPostma](https://github.com/MarinPostma). ##### Docs - 📝 Add tip on how to install `pip` in case of `No module named pip` error in `virtual-environments.md`. MR [#14211](https://github.com/fastapi/fastapi/pull/14211) by [@zadevhub](https://github.com/zadevhub). - 📝 Update Primary Key notes for the SQL databases tutorial to avoid confusion. MR [#14120](https://github.com/fastapi/fastapi/pull/14120) by [@FlaviusRaducu](https://github.com/FlaviusRaducu). - 📝 Clarify estimation note in documentation. MR [#14070](https://github.com/fastapi/fastapi/pull/14070) by [@SaisakthiM](https://github.com/SaisakthiM). ### [`v0.123.1`](https://github.com/fastapi/fastapi/releases/tag/0.123.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.0...0.123.1) ##### Fixes - 🐛 Avoid accessing non-existing "$ref" key for Pydantic v2 compat remapping. MR [#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. MR [#12935](https://github.com/fastapi/fastapi/pull/12935) by [@kentwelcome](https://github.com/kentwelcome). ##### Internal - 🐛 Fix Windows UnicodeEncodeError in CLI test. MR [#14295](https://github.com/fastapi/fastapi/pull/14295) by [@hemanth-thirthahalli](https://github.com/hemanth-thirthahalli). - 🔧 Update sponsors: add Greptile. MR [#14429](https://github.com/fastapi/fastapi/pull/14429) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI GitHub topic repositories. MR [#14426](https://github.com/fastapi/fastapi/pull/14426) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump markdown-include-variants from 0.0.6 to 0.0.7. MR [#14423](https://github.com/fastapi/fastapi/pull/14423) by [@YuriiMotov](https://github.com/YuriiMotov). - 👥 Update FastAPI People - Sponsors. MR [#14422](https://github.com/fastapi/fastapi/pull/14422) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Contributors and Translators. MR [#14420](https://github.com/fastapi/fastapi/pull/14420) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.0`](https://github.com/fastapi/fastapi/releases/tag/0.123.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.122.1...0.123.0) ##### Fixes - 🐛 Cache dependencies that don't use scopes and don't have sub-dependencies with scopes. MR [#14419](https://github.com/fastapi/fastapi/pull/14419) by [@tiangolo](https://github.com/tiangolo). ### [`v0.122.1`](https://github.com/fastapi/fastapi/releases/tag/0.122.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.122.0...0.122.1) ##### Fixes - 🐛 Fix hierarchical security scope propagation. MR [#5624](https://github.com/fastapi/fastapi/pull/5624) by [@kristjanvalur](https://github.com/kristjanvalur). ##### Docs - 💅 Update CSS to explicitly use emoji font. MR [#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. MR [#14418](https://github.com/fastapi/fastapi/pull/14418) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.122.0`](https://github.com/fastapi/fastapi/releases/tag/0.122.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.3...0.122.0) ##### Fixes - 🐛 Use `401` status code in security classes when credentials are missing. MR [#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/). ##### Internal - 🔧 Configure labeler to exclude files that start from underscore for `lang-all` label. MR [#14213](https://github.com/fastapi/fastapi/pull/14213) by [@YuriiMotov](https://github.com/YuriiMotov). - 👷 Add pre-commit config with local script for permalinks. MR [#14398](https://github.com/fastapi/fastapi/pull/14398) by [@tiangolo](https://github.com/tiangolo). - 💄 Use font Fira Code to fix display of Rich panels in docs in Windows. MR [#14387](https://github.com/fastapi/fastapi/pull/14387) by [@tiangolo](https://github.com/tiangolo). - 👷 Add custom pre-commit CI. MR [#14397](https://github.com/fastapi/fastapi/pull/14397) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump actions/checkout from 5 to 6. MR [#14381](https://github.com/fastapi/fastapi/pull/14381) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - 👷 Upgrade `latest-changes` GitHub Action and pin `actions/checkout@v5`. MR [#14403](https://github.com/fastapi/fastapi/pull/14403) by [@svlandeg](https://github.com/svlandeg). - 🛠️ Add `add-permalinks` and `add-permalinks-page` to `scripts/docs.py`. MR [#14033](https://github.com/fastapi/fastapi/pull/14033) by [@YuriiMotov](https://github.com/YuriiMotov). - 🔧 Upgrade Material for MkDocs and remove insiders. MR [#14375](https://github.com/fastapi/fastapi/pull/14375) by [@tiangolo](https://github.com/tiangolo). ### [`v0.121.3`](https://github.com/fastapi/fastapi/releases/tag/0.121.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.2...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. MR [#14372](https://github.com/fastapi/fastapi/pull/14372) by [@tiangolo](https://github.com/tiangolo). ##### Upgrades - ⬆️ Bump Starlette to <`0.51.0`. MR [#14282](https://github.com/fastapi/fastapi/pull/14282) by [@musicinmybrain](https://github.com/musicinmybrain). ##### Docs - 📝 Add missing hash part. MR [#14369](https://github.com/fastapi/fastapi/pull/14369) by [@nilslindemann](https://github.com/nilslindemann). - 📝 Fix typos in code comments. MR [#14364](https://github.com/fastapi/fastapi/pull/14364) by [@Edge-Seven](https://github.com/Edge-Seven). - 📝 Add docs for using FastAPI Cloud. MR [#14359](https://github.com/fastapi/fastapi/pull/14359) by [@tiangolo](https://github.com/tiangolo). ### [`v0.121.2`](https://github.com/fastapi/fastapi/releases/tag/0.121.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.1...0.121.2) ##### Fixes - 🐛 Fix handling of JSON Schema attributes named "$ref". MR [#14349](https://github.com/fastapi/fastapi/pull/14349) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Add EuroPython talk & podcast episode with Sebastián Ramírez. MR [#14260](https://github.com/fastapi/fastapi/pull/14260) by [@clytaemnestra](https://github.com/clytaemnestra). - ✏️ Fix links and add missing permalink in docs. MR [#14217](https://github.com/fastapi/fastapi/pull/14217) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Translations - 🌐 Update Portuguese translations with LLM prompt. MR [#14228](https://github.com/fastapi/fastapi/pull/14228) by [@ceb10n](https://github.com/ceb10n). - 🔨 Add Portuguese translations LLM prompt. MR [#14208](https://github.com/fastapi/fastapi/pull/14208) by [@ceb10n](https://github.com/ceb10n). - 🌐 Sync Russian docs. MR [#14331](https://github.com/fastapi/fastapi/pull/14331) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync German docs. MR [#14317](https://github.com/fastapi/fastapi/pull/14317) by [@nilslindemann](https://github.com/nilslindemann). ### [`v0.121.1`](https://github.com/fastapi/fastapi/releases/tag/0.121.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.0...0.121.1) ##### Fixes - 🐛 Fix `Depends(func, scope='function')` for top level (parameterless) dependencies. MR [#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`. MR [#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. MR [#14276](https://github.com/fastapi/fastapi/pull/14276) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14289](https://github.com/fastapi/fastapi/pull/14289) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). ### [`v0.121.0`](https://github.com/fastapi/fastapi/releases/tag/0.121.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.4...0.121.0) ##### Features - ✨ Add support for dependencies with scopes, support `scope="request"` for dependencies with `yield` that exit before the response is sent. MR [#14262](https://github.com/fastapi/fastapi/pull/14262) by [@tiangolo](https://github.com/tiangolo). - New docs: [Dependencies with `yield` - Early exit and `scope`](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/#early-exit-and-scope). ##### Internal - 👥 Update FastAPI People - Contributors and Translators. MR [#14273](https://github.com/fastapi/fastapi/pull/14273) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Sponsors. MR [#14274](https://github.com/fastapi/fastapi/pull/14274) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI GitHub topic repositories. MR [#14280](https://github.com/fastapi/fastapi/pull/14280) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump mkdocs-macros-plugin from 1.4.0 to 1.4.1. MR [#14277](https://github.com/fastapi/fastapi/pull/14277) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump mkdocstrings\[python] from 0.26.1 to 0.30.1. MR [#14279](https://github.com/fastapi/fastapi/pull/14279) by [@dependabot\[bot\]](https://github.com/apps/dependabot). ### [`v0.120.4`](https://github.com/fastapi/fastapi/releases/tag/0.120.4) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.3...0.120.4) ##### Fixes - 🐛 Fix security schemes in OpenAPI when added at the top level app. MR [#14266](https://github.com/fastapi/fastapi/pull/14266) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.120.3`](https://github.com/fastapi/fastapi/releases/tag/0.120.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.2...0.120.3) ##### Refactors - ♻️ Reduce internal cyclic recursion in dependencies, from 2 functions calling each other to 1 calling itself. MR [#14256](https://github.com/fastapi/fastapi/pull/14256) by [@tiangolo](https://github.com/tiangolo). - ♻️ Refactor internals of dependencies, simplify code and remove `get_param_sub_dependant`. MR [#14255](https://github.com/fastapi/fastapi/pull/14255) by [@tiangolo](https://github.com/tiangolo). - ♻️ Refactor internals of dependencies, simplify using dataclasses. MR [#14254](https://github.com/fastapi/fastapi/pull/14254) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Update note for untranslated pages. MR [#14257](https://github.com/fastapi/fastapi/pull/14257) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.120.2`](https://github.com/fastapi/fastapi/releases/tag/0.120.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.1...0.120.2) ##### Fixes - 🐛 Fix separation of schemas with nested models introduced in 0.119.0. MR [#14246](https://github.com/fastapi/fastapi/pull/14246) by [@tiangolo](https://github.com/tiangolo). ##### Internal - 🔧 Add sponsor: SerpApi. MR [#14248](https://github.com/fastapi/fastapi/pull/14248) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump actions/download-artifact from 5 to 6. MR [#14236](https://github.com/fastapi/fastapi/pull/14236) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14237](https://github.com/fastapi/fastapi/pull/14237) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - ⬆ Bump actions/upload-artifact from 4 to 5. MR [#14235](https://github.com/fastapi/fastapi/pull/14235) by [@dependabot\[bot\]](https://github.com/apps/dependabot). ### [`v0.120.1`](https://github.com/fastapi/fastapi/releases/tag/0.120.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.0...0.120.1) ##### Upgrades - ⬆️ Bump Starlette to <`0.50.0`. MR [#14234](https://github.com/fastapi/fastapi/pull/14234) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Internal - 🔧 Add `license` and `license-files` to `pyproject.toml`, remove `License` from `classifiers`. MR [#14230](https://github.com/fastapi/fastapi/pull/14230) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.120.0`](https://github.com/fastapi/fastapi/releases/tag/0.120.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.119.1...0.120.0) There are no major nor breaking changes in this release. ☕️ The internal reference documentation now uses `annotated_doc.Doc` instead of `typing_extensions.Doc`, this adds a new (very small) dependency on [`annotated-doc`](https://github.com/fastapi/annotated-doc), a package made just to provide that `Doc` documentation utility class. I would expect `typing_extensions.Doc` to be deprecated and then removed at some point from `typing_extensions`, for that reason there's the new `annotated-doc` micro-package. If you are curious about this, you can read more in the repo for [`annotated-doc`](https://github.com/fastapi/annotated-doc). This new version `0.120.0` only contains that transition to the new home package for that utility class `Doc`. ##### Translations - 🌐 Sync German docs. MR [#14188](https://github.com/fastapi/fastapi/pull/14188) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - ➕ Migrate internal reference documentation from `typing_extensions.Doc` to `annotated_doc.Doc`. MR [#14222](https://github.com/fastapi/fastapi/pull/14222) by [@tiangolo](https://github.com/tiangolo). - 🛠️ Update German LLM prompt and test file. MR [#14189](https://github.com/fastapi/fastapi/pull/14189) by [@nilslindemann](https://github.com/nilslindemann). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14181](https://github.com/fastapi/fastapi/pull/14181) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). ### [`v0.119.1`](https://github.com/fastapi/fastapi/releases/tag/0.119.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.119.0...0.119.1) ##### Fixes - 🐛 Fix internal Pydantic v1 compatibility (warnings) for Python 3.14 and Pydantic 2.12.1. MR [#14186](https://github.com/fastapi/fastapi/pull/14186) by [@svlandeg](https://github.com/svlandeg). ##### Docs - 📝 Replace `starlette.io` by `starlette.dev` and `uvicorn.org` by `uvicorn.dev`. MR [#14176](https://github.com/fastapi/fastapi/pull/14176) by [@Kludex](https://github.com/Kludex). ##### Internal - 🔧 Add sponsor Requestly. MR [#14205](https://github.com/fastapi/fastapi/pull/14205) by [@tiangolo](https://github.com/tiangolo). - 🔧 Configure reminder for `waiting` label in `issue-manager`. MR [#14156](https://github.com/fastapi/fastapi/pull/14156) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.119.0`](https://github.com/fastapi/fastapi/releases/tag/0.119.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.3...0.119.0) FastAPI now (temporarily) supports both Pydantic v2 models and `pydantic.v1` models at the same time in the same app, to make it easier for any FastAPI apps still using Pydantic v1 to gradually but quickly **migrate to Pydantic v2**. ```Python from fastapi import FastAPI from pydantic import BaseModel as BaseModelV2 from pydantic.v1 import BaseModel class Item(BaseModel): name: str description: str | None = None class ItemV2(BaseModelV2): title: str summary: str | None = None app = FastAPI() @app.post("/items/", response_model=ItemV2) def create_item(item: Item): return {"title": item.name, "summary": item.description} ``` Adding this feature was a big effort with the main objective of making it easier for the few applications still stuck in Pydantic v1 to migrate to Pydantic v2. And with this, support for **Pydantic v1 is now deprecated** and will be **removed** from FastAPI in a future version soon. **Note**: have in mind that the Pydantic team already stopped supporting Pydantic v1 for recent versions of Python, starting with Python 3.14. You can read in the docs more about how to [Migrate from Pydantic v1 to Pydantic v2](https://fastapi.tiangolo.com/how-to/migrate-from-pydantic-v1-to-pydantic-v2/). ##### Features - ✨ Add support for `from pydantic.v1 import BaseModel`, mixed Pydantic v1 and v2 models in the same app. MR [#14168](https://github.com/fastapi/fastapi/pull/14168) by [@tiangolo](https://github.com/tiangolo). ### [`v0.118.3`](https://github.com/fastapi/fastapi/releases/tag/0.118.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.2...0.118.3) ##### Upgrades - ⬆️ Add support for Python 3.14. MR [#14165](https://github.com/fastapi/fastapi/pull/14165) by [@svlandeg](https://github.com/svlandeg). ### [`v0.118.2`](https://github.com/fastapi/fastapi/releases/tag/0.118.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.1...0.118.2) ##### Fixes - 🐛 Fix tagged discriminated union not recognized as body field. MR [#12942](https://github.com/fastapi/fastapi/pull/12942) by [@frankie567](https://github.com/frankie567). ##### Internal - ⬆ Bump astral-sh/setup-uv from 6 to 7. MR [#14167](https://github.com/fastapi/fastapi/pull/14167) by [@dependabot\[bot\]](https://github.com/apps/dependabot). ### [`v0.118.1`](https://github.com/fastapi/fastapi/releases/tag/0.118.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.0...0.118.1) ##### Upgrades - 👽️ Ensure compatibility with Pydantic 2.12.0. MR [#14036](https://github.com/fastapi/fastapi/pull/14036) by [@cjwatson](https://github.com/cjwatson). ##### Docs - 📝 Add External Link: Getting started with logging in FastAPI. MR [#14152](https://github.com/fastapi/fastapi/pull/14152) by [@itssimon](https://github.com/itssimon). ##### Translations - 🔨 Add Russian translations LLM prompt. MR [#13936](https://github.com/fastapi/fastapi/pull/13936) by [@tiangolo](https://github.com/tiangolo). - 🌐 Sync German docs. MR [#14149](https://github.com/fastapi/fastapi/pull/14149) by [@nilslindemann](https://github.com/nilslindemann). - 🌐 Add Russian translations for missing pages (LLM-generated). MR [#14135](https://github.com/fastapi/fastapi/pull/14135) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Update Russian translations for existing pages (LLM-generated). MR [#14123](https://github.com/fastapi/fastapi/pull/14123) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Remove configuration files for inactive translations. MR [#14130](https://github.com/fastapi/fastapi/pull/14130) by [@tiangolo](https://github.com/tiangolo). ##### Internal - 🔨 Move local coverage logic to its own script. MR [#14166](https://github.com/fastapi/fastapi/pull/14166) by [@tiangolo](https://github.com/tiangolo). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14161](https://github.com/fastapi/fastapi/pull/14161) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - ⬆ Bump griffe-typingdoc from 0.2.8 to 0.2.9. MR [#14144](https://github.com/fastapi/fastapi/pull/14144) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump mkdocs-macros-plugin from 1.3.9 to 1.4.0. MR [#14145](https://github.com/fastapi/fastapi/pull/14145) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump markdown-include-variants from 0.0.4 to 0.0.5. MR [#14146](https://github.com/fastapi/fastapi/pull/14146) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14126](https://github.com/fastapi/fastapi/pull/14126) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - 👥 Update FastAPI GitHub topic repositories. MR [#14150](https://github.com/fastapi/fastapi/pull/14150) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Sponsors. MR [#14139](https://github.com/fastapi/fastapi/pull/14139) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Contributors and Translators. MR [#14138](https://github.com/fastapi/fastapi/pull/14138) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump ruff from 0.12.7 to 0.13.2. MR [#14147](https://github.com/fastapi/fastapi/pull/14147) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump sqlmodel from 0.0.24 to 0.0.25. MR [#14143](https://github.com/fastapi/fastapi/pull/14143) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump tiangolo/issue-manager from 0.5.1 to 0.6.0. MR [#14148](https://github.com/fastapi/fastapi/pull/14148) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - 👷 Update docs previews comment, single comment, add failure status. MR [#14129](https://github.com/fastapi/fastapi/pull/14129) by [@tiangolo](https://github.com/tiangolo). - 🔨 Modify `mkdocs_hooks.py` to add `title` to page's metadata (remove permalinks in social cards). MR [#14125](https://github.com/fastapi/fastapi/pull/14125) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.118.0`](https://github.com/fastapi/fastapi/releases/tag/0.118.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.117.1...0.118.0) ##### 0.118.0 ##### Fixes - 🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done. MR [#14099](https://github.com/fastapi/fastapi/pull/14099) by [@tiangolo](https://github.com/tiangolo). Before FastAPI 0.118.0, if you used a dependency with `yield`, it would run the exit code after the *path operation function* returned but right before sending the response. This change also meant that if you returned a `StreamingResponse`, the exit code of the dependency with `yield` would have been already run. For example, if you had a database session in a dependency with `yield`, the `StreamingResponse` would not be able to use that session while streaming data because the session would have already been closed in the exit code after `yield`. This behavior was reverted in 0.118.0, to make the exit code after `yield` be executed after the response is sent. You can read more about it in the docs for [Advanced Dependencies - Dependencies with `yield`, `HTTPException`, `except` and Background Tasks](https://fastapi.tiangolo.com/advanced/advanced-dependencies#dependencies-with-yield-httpexception-except-and-background-tasks). Including what you could do if you wanted to close a database session earlier, before returning the response to the client. ##### Docs - 📝 Update `tutorial/security/oauth2-jwt/` to use `pwdlib` with Argon2 instead of `passlib`. MR [#13917](https://github.com/fastapi/fastapi/pull/13917) by [@Neizvestnyj](https://github.com/Neizvestnyj). - ✏️ Fix typos in OAuth2 password request forms. MR [#14112](https://github.com/fastapi/fastapi/pull/14112) by [@alv2017](https://github.com/alv2017). - 📝 Update contributing guidelines for installing requirements. MR [#14095](https://github.com/fastapi/fastapi/pull/14095) by [@alejsdev](https://github.com/alejsdev). ##### Translations - 🌐 Sync German docs. MR [#14098](https://github.com/fastapi/fastapi/pull/14098) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14103](https://github.com/fastapi/fastapi/pull/14103) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - ♻️ Refactor sponsor image handling. MR [#14102](https://github.com/fastapi/fastapi/pull/14102) by [@alejsdev](https://github.com/alejsdev). - 🐛 Fix sponsor display issue by hiding element on image error. MR [#14097](https://github.com/fastapi/fastapi/pull/14097) by [@alejsdev](https://github.com/alejsdev). - 🐛 Hide sponsor badge when sponsor image is not displayed. MR [#14096](https://github.com/fastapi/fastapi/pull/14096) by [@alejsdev](https://github.com/alejsdev). ### [`v0.117.1`](https://github.com/fastapi/fastapi/releases/tag/0.117.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.117.0...0.117.1) ##### Fixes - 🐛 Fix validation error when `File` is declared after `Form` parameter. MR [#11194](https://github.com/fastapi/fastapi/pull/11194) by [@thomasleveil](https://github.com/thomasleveil). ### [`v0.117.0`](https://github.com/fastapi/fastapi/releases/tag/0.117.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.116.2...0.117.0) ##### Features - ✨ Allow `None` as return type for bodiless responses. MR [#9425](https://github.com/fastapi/fastapi/pull/9425) by [@hofrob](https://github.com/hofrob). - ✨ Allow array values for OpenAPI schema `type` field. MR [#13639](https://github.com/fastapi/fastapi/pull/13639) by [@sammasak](https://github.com/sammasak). - ✨ Add OpenAPI `external_docs` parameter to `FastAPI`. MR [#13713](https://github.com/fastapi/fastapi/pull/13713) by [@cmtoro](https://github.com/cmtoro). ##### Fixes - ⚡️ Fix `default_factory` for response model field with Pydantic V1. MR [#9704](https://github.com/fastapi/fastapi/pull/9704) by [@vvanglro](https://github.com/vvanglro). - 🐛 Fix inconsistent processing of model docstring formfeed char with Pydantic V1. MR [#6039](https://github.com/fastapi/fastapi/pull/6039) by [@MaxwellPayne](https://github.com/MaxwellPayne). - 🐛 Fix `jsonable_encoder` alters `json_encoders` of Pydantic v1 objects. MR [#4972](https://github.com/fastapi/fastapi/pull/4972) by [@aboubacs](https://github.com/aboubacs). - 🐛 Reenable `allow_arbitrary_types` when only 1 argument is used on the API endpoint. MR [#13694](https://github.com/fastapi/fastapi/pull/13694) by [@rmawatson](https://github.com/rmawatson). - 🐛 Fix `inspect.getcoroutinefunction()` can break testing with `unittest.mock.patch()`. MR [#14022](https://github.com/fastapi/fastapi/pull/14022) by [@secrett2633](https://github.com/secrett2633). ##### Refactors - ♻️ Create `dependency-cache` dict in `solve_dependencies` only if `None` (don't re-create if empty). MR [#13689](https://github.com/fastapi/fastapi/pull/13689) by [@bokshitsky](https://github.com/bokshitsky). - ✅ Enable test case for duplicated headers in `test_tutorial/test_header_params/test_tutorial003.py`. MR [#13864](https://github.com/fastapi/fastapi/pull/13864) by [@Amogha-ark](https://github.com/Amogha-ark). - 📌 Pin `httpx` to `>=0.23.0,<1.0.0`. MR [#14086](https://github.com/fastapi/fastapi/pull/14086) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Docs - 📝 Add note about Cookies and JavaScript on `tutorial/cookie-params.md`. MR [#13510](https://github.com/fastapi/fastapi/pull/13510) by [@Kludex](https://github.com/Kludex). - 📝 Remove outdated formatting from `path-params-numeric-validations.md` for languages `en`, `es` and `uk`.. MR [#14059](https://github.com/fastapi/fastapi/pull/14059) by [@svlandeg](https://github.com/svlandeg). - 📝 Fix and Improve English Documentation. MR [#14048](https://github.com/fastapi/fastapi/pull/14048) by [@nilslindemann](https://github.com/nilslindemann). ##### Translations - 📝 Update prompts and German translation. MR [#14015](https://github.com/fastapi/fastapi/pull/14015) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - ✅ Simplify tests for response\_model. MR [#14062](https://github.com/fastapi/fastapi/pull/14062) by [@dynamicy](https://github.com/dynamicy). - 🚨 Install pydantic.mypy plugin. MR [#14081](https://github.com/fastapi/fastapi/pull/14081) by [@svlandeg](https://github.com/svlandeg). - ✅ Add LLM test file. MR [#14049](https://github.com/fastapi/fastapi/pull/14049) by [@nilslindemann](https://github.com/nilslindemann). - 🔨 Update translations script. MR [#13968](https://github.com/fastapi/fastapi/pull/13968) by [@YuriiMotov](https://github.com/YuriiMotov). - 🛠️ Update `docs.py generate-readme` command to remove permalinks from headers. MR [#14055](https://github.com/fastapi/fastapi/pull/14055) by [@YuriiMotov](https://github.com/YuriiMotov). - ⬆️ Update mypy to 1.14.1. MR [#12970](https://github.com/fastapi/fastapi/pull/12970) by [@tamird](https://github.com/tamird). ### [`v0.116.2`](https://github.com/fastapi/fastapi/releases/tag/0.116.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.116.1...0.116.2) ##### Upgrades - ⬆️ Upgrade Starlette supported version range to >=0.40.0,<0.49.0. MR [#14077](https://github.com/fastapi/fastapi/pull/14077) by [@musicinmybrain](https://github.com/musicinmybrain). ##### Docs - 📝 Add documentation for Behind a Proxy - Proxy Forwarded Headers, using `--forwarded-allow-ips="*"`. MR [#14028](https://github.com/fastapi/fastapi/pull/14028) by [@tiangolo](https://github.com/tiangolo). - 📝 Add deprecation info block about `dict()` in `docs/tutorial/body.md`. MR [#13906](https://github.com/fastapi/fastapi/pull/13906) by [@jomkv](https://github.com/jomkv). - 📝 Fix Twitter to be X (Twitter) everywhere in documentation. MR [#13809](https://gith…

fix(deps): update backend dependencies (minor) (minor) This MR contains the following updates: | Package | Type | Update | Change | OpenSSF | |---|---|---|---|---| | [celery](https://docs.celeryq.dev/) ([source](https://github.com/celery/celery), [changelog](https://docs.celeryq.dev/en/stable/changelog.html)) | dependencies | minor | `5.5.3` → `5.6.2` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/celery/celery/badge)](https://securityscorecards.dev/viewer/?uri=github.com/celery/celery) | | [celery-types](https://github.com/sbdchd/celery-types) | dependencies | minor | `^0.22.0` → `^0.24.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/sbdchd/celery-types/badge)](https://securityscorecards.dev/viewer/?uri=github.com/sbdchd/celery-types) | | [fastapi](https://github.com/fastapi/fastapi) ([changelog](https://fastapi.tiangolo.com/release-notes/)) | dependencies | minor | `^0.115.12` → `^0.128.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/fastapi/fastapi/badge)](https://securityscorecards.dev/viewer/?uri=github.com/fastapi/fastapi) | | [filelock](https://github.com/tox-dev/py-filelock) | dependencies | minor | `3.14.0` → `3.20.3` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/tox-dev/py-filelock/badge)](https://securityscorecards.dev/viewer/?uri=github.com/tox-dev/py-filelock) | | [luqum](https://github.com/jurismarches/luqum) | dependencies | minor | `^0.13.0` → `^0.14.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/jurismarches/luqum/badge)](https://securityscorecards.dev/viewer/?uri=github.com/jurismarches/luqum) | | [ollama](https://github.com/ollama/ollama-python) | dependencies | minor | `^0.5.1` → `^0.6.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/ollama/ollama-python/badge)](https://securityscorecards.dev/viewer/?uri=github.com/ollama/ollama-python) | | [pycryptodome](https://www.pycryptodome.org) ([source](https://github.com/Legrandin/pycryptodome), [changelog](https://www.pycryptodome.org/src/changelog)) | dependencies | minor | `3.20.0` → `3.23.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/Legrandin/pycryptodome/badge)](https://securityscorecards.dev/viewer/?uri=github.com/Legrandin/pycryptodome) | | [pydantic-mongo](https://github.com/jefersondaniel/pydantic-mongo) | dependencies | minor | `2.3.0` → `2.4.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/jefersondaniel/pydantic-mongo/badge)](https://securityscorecards.dev/viewer/?uri=github.com/jefersondaniel/pydantic-mongo) | | [pydantic-settings](https://github.com/pydantic/pydantic-settings) ([changelog](https://github.com/pydantic/pydantic-settings/releases)) | dependencies | minor | `2.2.1` → `2.12.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/pydantic/pydantic-settings/badge)](https://securityscorecards.dev/viewer/?uri=github.com/pydantic/pydantic-settings) | | [pymongo](https://github.com/mongodb/mongo-python-driver) | dependencies | minor | `4.15.5` → `4.16.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/mongodb/mongo-python-driver/badge)](https://securityscorecards.dev/viewer/?uri=github.com/mongodb/mongo-python-driver) | | [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) ([changelog](https://pytest-asyncio.readthedocs.io/en/latest/reference/changelog.html)) | dependencies | minor | `^0.23.6` → `^0.26.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/pytest-dev/pytest-asyncio/badge)](https://securityscorecards.dev/viewer/?uri=github.com/pytest-dev/pytest-asyncio) | | [pytest-timeout](https://github.com/pytest-dev/pytest-timeout) | dependencies | minor | `2.3.1` → `2.4.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/pytest-dev/pytest-timeout/badge)](https://securityscorecards.dev/viewer/?uri=github.com/pytest-dev/pytest-timeout) | | [scikit-learn](https://github.com/scikit-learn/scikit-learn) ([changelog](https://scikit-learn.org/stable/whats_new)) | dependencies | minor | `1.7.0` → `1.8.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/scikit-learn/scikit-learn/badge)](https://securityscorecards.dev/viewer/?uri=github.com/scikit-learn/scikit-learn) | | [scikit-learn](https://github.com/scikit-learn/scikit-learn) ([changelog](https://scikit-learn.org/stable/whats_new)) | dependencies | minor | `1.6.1` → `1.8.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/scikit-learn/scikit-learn/badge)](https://securityscorecards.dev/viewer/?uri=github.com/scikit-learn/scikit-learn) | | [scipy](https://github.com/scipy/scipy) | dependencies | minor | `1.15.3` → `1.17.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/scipy/scipy/badge)](https://securityscorecards.dev/viewer/?uri=github.com/scipy/scipy) | | [uvicorn](https://github.com/Kludex/uvicorn) ([changelog](https://uvicorn.dev/release-notes)) | dependencies | minor | `^0.29.0` → `^0.40.0` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/Kludex/uvicorn/badge)](https://securityscorecards.dev/viewer/?uri=github.com/Kludex/uvicorn) | --- ### Release Notes <details> <summary>celery/celery (celery)</summary> ### [`v5.6.2`](https://github.com/celery/celery/blob/HEAD/Changelog.rst#562) [Compare Source](https://github.com/celery/celery/compare/v5.6.1...v5.6.2) \===== :release-date: 2026-01-04 :release-by: Tomer Nosrati What's Changed ``` - Fix recursive WorkController instantiation in DjangoWorkerFixup + AttributeError when pool_cls is a string (#10045) - Bugfix: Revoked tasks now immediately update backend status to REVOKED (#9869) - Prepare for release: v5.6.2 (#10049) .. _version-5.6.1: 5.6.1 ===== :release-date: 2025-12-29 :release-by: Tomer Nosrati What's Changed ``` - Fix Redis Sentinel ACL authentication support ([#10013](https://github.com/celery/celery/issues/10013)) - Fix: Broker heartbeats not sent during graceful shutdown ([#9986](https://github.com/celery/celery/issues/9986)) - docs [#5410](https://github.com/celery/celery/issues/5410) -- Document confirm\_publish broker transport option ([#10016](https://github.com/celery/celery/issues/10016)) - close DB pools only in prefork mode ([#10020](https://github.com/celery/celery/issues/10020)) - Fix: Avoid unnecessary Django database connection creation during cleanup ([#10015](https://github.com/celery/celery/issues/10015)) - reliable prefork detection ([#10023](https://github.com/celery/celery/issues/10023)) - better coverage ([#10029](https://github.com/celery/celery/issues/10029)) - Docs: clarify `result_extended` vs periodic task metadata and show `headers["periodic_task_name"]` example ([#10030](https://github.com/celery/celery/issues/10030)) - Stop importing pytest\_subtests ([#10032](https://github.com/celery/celery/issues/10032)) - Only use exceptiongroup backport for Python < 3.11 ([#10033](https://github.com/celery/celery/issues/10033)) - Prepare for release: v5.6.1 ([#10037](https://github.com/celery/celery/issues/10037)) .. \_version-5.6.0: ### [`v5.6.1`](https://github.com/celery/celery/releases/tag/v5.6.1) [Compare Source](https://github.com/celery/celery/compare/v5.6.0...v5.6.1) #### What's Changed - Fix Redis Sentinel ACL authentication support by [@anthonykuzmich7](https://github.com/anthonykuzmich7) in [#10013](https://github.com/celery/celery/pull/10013) - Fix: Broker heartbeats not sent during graceful shutdown by [@weetster](https://github.com/weetster) in [#9986](https://github.com/celery/celery/pull/9986) - docs [#5410](https://github.com/celery/celery/issues/5410) -- Document confirm\_publish broker transport option by [@JaeHyuckSa](https://github.com/JaeHyuckSa) in [#10016](https://github.com/celery/celery/pull/10016) - close DB pools only in prefork mode by [@petrprikryl](https://github.com/petrprikryl) in [#10020](https://github.com/celery/celery/pull/10020) - Fix: Avoid unnecessary Django database connection creation during cleanup by [@snopoke](https://github.com/snopoke) in [#10015](https://github.com/celery/celery/pull/10015) - reliable prefork detection by [@petrprikryl](https://github.com/petrprikryl) in [#10023](https://github.com/celery/celery/pull/10023) - better coverage by [@petrprikryl](https://github.com/petrprikryl) in [#10029](https://github.com/celery/celery/pull/10029) - Docs: clarify `result_extended` vs periodic task metadata and show `headers["periodic_task_name"]` example by [@SpaceShaman](https://github.com/SpaceShaman) in [#10030](https://github.com/celery/celery/pull/10030) - Stop importing pytest\_subtests by [@cjwatson](https://github.com/cjwatson) in [#10032](https://github.com/celery/celery/pull/10032) - Only use exceptiongroup backport for Python < 3.11 by [@cjwatson](https://github.com/cjwatson) in [#10033](https://github.com/celery/celery/pull/10033) - Prepare for release: v5.6.1 by [@Nusnus](https://github.com/Nusnus) in [#10037](https://github.com/celery/celery/pull/10037) #### New Contributors - [@anthonykuzmich7](https://github.com/anthonykuzmich7) made their first contribution in [#10013](https://github.com/celery/celery/pull/10013) - [@weetster](https://github.com/weetster) made their first contribution in [#9986](https://github.com/celery/celery/pull/9986) - [@JaeHyuckSa](https://github.com/JaeHyuckSa) made their first contribution in [#10016](https://github.com/celery/celery/pull/10016) - [@snopoke](https://github.com/snopoke) made their first contribution in [#10015](https://github.com/celery/celery/pull/10015) - [@SpaceShaman](https://github.com/SpaceShaman) made their first contribution in [#10030](https://github.com/celery/celery/pull/10030) **Full Changelog**: <https://github.com/celery/celery/compare/v5.6.0...v5.6.1> ### [`v5.6.0`](https://github.com/celery/celery/blob/HEAD/Changelog.rst#560) [Compare Source](https://github.com/celery/celery/compare/v5.5.3...v5.6.0) \===== :release-date: 2025-11-30 :release-by: Tomer Nosrati Celery v5.6.0 is now available. Key Highlights ``` See :ref:`whatsnew-5.6` for a complete overview or read the main highlights below. Python 3.9 Minimum Version -------------------------- Celery 5.6.0 drops support for Python 3.8 (EOL). The minimum required Python version is now 3.9. Users still on Python 3.8 must upgrade their Python version before upgrading to Celery 5.6.0. Additionally, this release includes initial support for Python 3.14. SQS: Reverted to ``pycurl`` from ``urllib3`` -------------------------------------------- The switch from ``pycurl`` to ``urllib3`` for the SQS transport (introduced in Celery 5.5.0 via Kombu) has been reverted due to critical issues affecting SQS users: - Processing throughput dropped from ~100 tasks/sec to ~3/sec in some environments - ``UnknownOperationException`` errors causing container crash loops - Silent message processing failures with no error logs Users of the SQS transport must ensure ``pycurl`` is installed. If you removed ``pycurl`` after upgrading to Celery 5.5.0, you will need to reinstall it. Contributed by `@auvipy <https://github.com/auvipy>`_ in `#9620 <https://github.com/celery/celery/pull/9620>`_. Security Fix: Broker Credential Leak Prevention ------------------------------------------------ Fixed a security issue where broker URLs containing passwords were being logged in plaintext by the delayed delivery mechanism. Broker credentials are now properly sanitized in all log output. Contributed by `@giancarloromeo <https://github.com/giancarloromeo>`_ in `#9997 <https://github.com/celery/celery/pull/9997>`_. Memory Leak Fixes ----------------- Two significant memory leaks have been fixed in this release: **Exception Handling Memory Leak**: Fixed a critical memory leak in task exception handling that was particularly severe on Python 3.11+ due to enhanced traceback data. The fix properly breaks reference cycles in tracebacks to allow garbage collection. Contributed by `@jaiganeshs21 <https://github.com/jaiganeshs21>`_ in `#9799 <https://github.com/celery/celery/pull/9799>`_. **Pending Result Memory Leak**: Fixed a memory leak where ``AsyncResult`` subscriptions were not being cleaned up when results were forgotten. Contributed by `@tsoos99dev <https://github.com/tsoos99dev>`_ in `#9806 <https://github.com/celery/celery/pull/9806>`_. ETA Task Memory Limit --------------------- New configuration option :setting:`worker_eta_task_limit` to prevent out-of-memory crashes when workers fetch large numbers of ETA or countdown tasks. Previously, workers could exhaust available memory when the broker contained many scheduled tasks. Example usage: .. code-block:: python app.conf.worker_eta_task_limit = 1000 Contributed by `@sashu2310 <https://github.com/sashu2310>`_ in `#9853 <https://github.com/celery/celery/pull/9853>`_. Queue Type Selection for Auto-created Queues -------------------------------------------- New configuration options allow specifying the queue type and exchange type when Celery auto-creates missing queues. This is particularly useful for RabbitMQ users who want to use quorum queues with auto-created queues. Configuration options: - :setting:`task_create_missing_queue_type`: Sets the queue type for auto-created queues (e.g., ``quorum``, ``classic``) - :setting:`task_create_missing_queue_exchange_type`: Sets the exchange type for auto-created queues Example usage: .. code-block:: python app.conf.task_create_missing_queue_type = 'quorum' Contributed by `@ghirailghiro <https://github.com/ghirailghiro>`_ in `#9815 <https://github.com/celery/celery/pull/9815>`_. What's Changed ``` - Prepare for release: v5.6.0 ([#10010](https://github.com/celery/celery/issues/10010)) .. \_version-5.6.0rc2: </details> <details> <summary>fastapi/fastapi (fastapi)</summary> ### [`v0.128.0`](https://github.com/fastapi/fastapi/releases/tag/0.128.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.127.1...0.128.0) ##### Breaking Changes - ➖ Drop support for `pydantic.v1`. MR [#14609](https://github.com/fastapi/fastapi/pull/14609) by [@tiangolo](https://github.com/tiangolo). ##### Internal - ✅ Run performance tests only on Pydantic v2. MR [#14608](https://github.com/fastapi/fastapi/pull/14608) by [@tiangolo](https://github.com/tiangolo). ### [`v0.127.1`](https://github.com/fastapi/fastapi/releases/tag/0.127.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.127.0...0.127.1) ##### Refactors - 🔊 Add a custom `FastAPIDeprecationWarning`. MR [#14605](https://github.com/fastapi/fastapi/pull/14605) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Add documentary to website. MR [#14600](https://github.com/fastapi/fastapi/pull/14600) by [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Update translations for de (update-outdated). MR [#14602](https://github.com/fastapi/fastapi/pull/14602) by [@nilslindemann](https://github.com/nilslindemann). - 🌐 Update translations for de (update-outdated). MR [#14581](https://github.com/fastapi/fastapi/pull/14581) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - 🔧 Update pre-commit to use local Ruff instead of hook. MR [#14604](https://github.com/fastapi/fastapi/pull/14604) by [@tiangolo](https://github.com/tiangolo). - ✅ Add missing tests for code examples. MR [#14569](https://github.com/fastapi/fastapi/pull/14569) by [@YuriiMotov](https://github.com/YuriiMotov). - 👷 Remove `lint` job from `test` CI workflow. MR [#14593](https://github.com/fastapi/fastapi/pull/14593) by [@YuriiMotov](https://github.com/YuriiMotov). - 👷 Update secrets check. MR [#14592](https://github.com/fastapi/fastapi/pull/14592) by [@tiangolo](https://github.com/tiangolo). - 👷 Run CodSpeed tests in parallel to other tests to speed up CI. MR [#14586](https://github.com/fastapi/fastapi/pull/14586) by [@tiangolo](https://github.com/tiangolo). - 🔨 Update scripts and pre-commit to autofix files. MR [#14585](https://github.com/fastapi/fastapi/pull/14585) by [@tiangolo](https://github.com/tiangolo). ### [`v0.127.0`](https://github.com/fastapi/fastapi/releases/tag/0.127.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.126.0...0.127.0) ##### Breaking Changes - 🔊 Add deprecation warnings when using `pydantic.v1`. MR [#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. MR [#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. MR [#14545](https://github.com/fastapi/fastapi/pull/14545) by [@tiangolo](https://github.com/tiangolo). ##### Internal - ⬆️ Upgrade OpenAI model for translations to gpt-5.2. MR [#14579](https://github.com/fastapi/fastapi/pull/14579) by [@tiangolo](https://github.com/tiangolo). ### [`v0.126.0`](https://github.com/fastapi/fastapi/releases/tag/0.126.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.125.0...0.126.0) ##### Upgrades - ➖ Drop support for Pydantic v1, keeping short temporary support for Pydantic v2's `pydantic.v1`. MR [#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`. MR [#14565](https://github.com/fastapi/fastapi/pull/14565) by [@paras-verma7454](https://github.com/paras-verma7454). ##### Translations - 🔧 Add LLM prompt file for Ukrainian, generated from the existing translations. MR [#14548](https://github.com/fastapi/fastapi/pull/14548) by [@tiangolo](https://github.com/tiangolo). ##### Internal - 🔧 Tweak pre-commit to allow committing release-notes. MR [#14577](https://github.com/fastapi/fastapi/pull/14577) by [@tiangolo](https://github.com/tiangolo). - ⬆️ Use prek as a pre-commit alternative. MR [#14572](https://github.com/fastapi/fastapi/pull/14572) by [@tiangolo](https://github.com/tiangolo). - 👷 Add performance tests with CodSpeed. MR [#14558](https://github.com/fastapi/fastapi/pull/14558) by [@tiangolo](https://github.com/tiangolo). ### [`v0.125.0`](https://github.com/fastapi/fastapi/releases/tag/0.125.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.4...0.125.0) ##### Breaking Changes - 🔧 Drop support for Python 3.8. MR [#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+ 🎉. MR [#14564](https://github.com/fastapi/fastapi/pull/14564) by [@tiangolo](https://github.com/tiangolo). ##### Docs - ⚰️ Remove Python 3.8 from CI and remove Python 3.8 examples from source docs. MR [#14559](https://github.com/fastapi/fastapi/pull/14559) by [@YuriiMotov](https://github.com/YuriiMotov) and [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Update translations for pt (add-missing). MR [#14539](https://github.com/fastapi/fastapi/pull/14539) by [@tiangolo](https://github.com/tiangolo). - 🔧 Add LLM prompt file for French, generated from the existing French docs. MR [#14544](https://github.com/fastapi/fastapi/pull/14544) by [@tiangolo](https://github.com/tiangolo). - 🌐 Sync Portuguese docs (pages found with script). MR [#14554](https://github.com/fastapi/fastapi/pull/14554) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync Spanish docs (outdated pages found with script). MR [#14553](https://github.com/fastapi/fastapi/pull/14553) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync German docs. MR [#14519](https://github.com/fastapi/fastapi/pull/14519) by [@nilslindemann](https://github.com/nilslindemann). - 🔥 Remove inactive/scarce translations to Vietnamese. MR [#14543](https://github.com/fastapi/fastapi/pull/14543) by [@tiangolo](https://github.com/tiangolo). - 🔥 Remove inactive/scarce translations to Persian. MR [#14542](https://github.com/fastapi/fastapi/pull/14542) by [@tiangolo](https://github.com/tiangolo). - 🔥 Remove translation to emoji to simplify the new setup with LLM autotranslations. MR [#14541](https://github.com/fastapi/fastapi/pull/14541) by [@tiangolo](https://github.com/tiangolo). - 🌐 Update translations for pt (update-outdated). MR [#14537](https://github.com/fastapi/fastapi/pull/14537) by [@tiangolo](https://github.com/tiangolo). - 🌐 Update translations for es (update-outdated). MR [#14532](https://github.com/fastapi/fastapi/pull/14532) by [@tiangolo](https://github.com/tiangolo). - 🌐 Update translations for es (add-missing). MR [#14533](https://github.com/fastapi/fastapi/pull/14533) by [@tiangolo](https://github.com/tiangolo). - 🌐 Remove translations for removed docs. MR [#14516](https://github.com/fastapi/fastapi/pull/14516) by [@tiangolo](https://github.com/tiangolo). ##### Internal - ⬆ Bump `markdown-include-variants` from 0.0.7 to 0.0.8. MR [#14556](https://github.com/fastapi/fastapi/pull/14556) by [@YuriiMotov](https://github.com/YuriiMotov). - 🔧 Temporarily disable translations still in progress, being migrated to the new LLM setup. MR [#14555](https://github.com/fastapi/fastapi/pull/14555) by [@YuriiMotov](https://github.com/YuriiMotov). - 🔧 Update test workflow config, remove commented code. MR [#14540](https://github.com/fastapi/fastapi/pull/14540) by [@tiangolo](https://github.com/tiangolo). - 👷 Configure coverage, error on main tests, don't wait for Smokeshow. MR [#14536](https://github.com/fastapi/fastapi/pull/14536) by [@tiangolo](https://github.com/tiangolo). - 👷 Run Smokeshow always, even on test failures. MR [#14538](https://github.com/fastapi/fastapi/pull/14538) by [@tiangolo](https://github.com/tiangolo). - 👷 Make Pydantic versions customizable in CI. MR [#14535](https://github.com/fastapi/fastapi/pull/14535) by [@tiangolo](https://github.com/tiangolo). - 👷 Fix checkout GitHub Action fetch-depth for LLM translations, enable cron monthly. MR [#14531](https://github.com/fastapi/fastapi/pull/14531) by [@tiangolo](https://github.com/tiangolo). - 👷 Fix Typer command for CI LLM translations. MR [#14530](https://github.com/fastapi/fastapi/pull/14530) by [@tiangolo](https://github.com/tiangolo). - 👷 Update LLM translation CI, add language matrix and extra commands, prepare for scheduled run. MR [#14529](https://github.com/fastapi/fastapi/pull/14529) by [@tiangolo](https://github.com/tiangolo). - 👷 Update github-actions user for GitHub Actions workflows. MR [#14528](https://github.com/fastapi/fastapi/pull/14528) by [@tiangolo](https://github.com/tiangolo). - ➕ Add requirements for translations. MR [#14515](https://github.com/fastapi/fastapi/pull/14515) by [@tiangolo](https://github.com/tiangolo). ### [`v0.124.4`](https://github.com/fastapi/fastapi/releases/tag/0.124.4) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.3...0.124.4) ##### Fixes - 🐛 Fix parameter aliases. MR [#14371](https://github.com/fastapi/fastapi/pull/14371) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.124.3`](https://github.com/fastapi/fastapi/releases/tag/0.124.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.2...0.124.3) ##### Fixes - 🐛 Fix support for tagged union with discriminator inside of `Annotated` with `Body()`. MR [#14512](https://github.com/fastapi/fastapi/pull/14512) by [@tiangolo](https://github.com/tiangolo). ##### Refactors - ✅ Add set of tests for request parameters and alias. MR [#14358](https://github.com/fastapi/fastapi/pull/14358) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Docs - 📝 Tweak links format. MR [#14505](https://github.com/fastapi/fastapi/pull/14505) by [@tiangolo](https://github.com/tiangolo). - 📝 Update docs about re-raising validation errors, do not include string as is to not leak information. MR [#14487](https://github.com/fastapi/fastapi/pull/14487) by [@tiangolo](https://github.com/tiangolo). - 🔥 Remove external links section. MR [#14486](https://github.com/fastapi/fastapi/pull/14486) by [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Sync Russian docs. MR [#14509](https://github.com/fastapi/fastapi/pull/14509) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync German docs. MR [#14488](https://github.com/fastapi/fastapi/pull/14488) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - 👷 Tweak coverage to not pass Smokeshow max file size limit. MR [#14507](https://github.com/fastapi/fastapi/pull/14507) by [@tiangolo](https://github.com/tiangolo). - ✅ Expand test matrix to include Windows and MacOS. MR [#14171](https://github.com/fastapi/fastapi/pull/14171) by [@svlandeg](https://github.com/svlandeg). ### [`v0.124.2`](https://github.com/fastapi/fastapi/releases/tag/0.124.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.1...0.124.2) ##### Fixes - 🐛 Fix support for `if TYPE_CHECKING`, non-evaluated stringified annotations. MR [#14485](https://github.com/fastapi/fastapi/pull/14485) by [@tiangolo](https://github.com/tiangolo). ### [`v0.124.1`](https://github.com/fastapi/fastapi/releases/tag/0.124.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.124.0...0.124.1) ##### Fixes - 🐛 Fix handling arbitrary types when using `arbitrary_types_allowed=True`. MR [#14482](https://github.com/fastapi/fastapi/pull/14482) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Add variants for code examples in "Advanced User Guide". MR [#14413](https://github.com/fastapi/fastapi/pull/14413) by [@YuriiMotov](https://github.com/YuriiMotov). - 📝 Update tech stack in project generation docs. MR [#14472](https://github.com/fastapi/fastapi/pull/14472) by [@alejsdev](https://github.com/alejsdev). ##### Internal - ✅ Add test for Pydantic v2, dataclasses, UUID, and `__annotations__`. MR [#14477](https://github.com/fastapi/fastapi/pull/14477) by [@tiangolo](https://github.com/tiangolo). ### [`v0.124.0`](https://github.com/fastapi/fastapi/releases/tag/0.124.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.10...0.124.0) ##### Features - 🚸 Improve tracebacks by adding endpoint metadata. MR [#14306](https://github.com/fastapi/fastapi/pull/14306) by [@savannahostrowski](https://github.com/savannahostrowski). ##### Internal - ✏️ Fix typo in `scripts/mkdocs_hooks.py`. MR [#14457](https://github.com/fastapi/fastapi/pull/14457) by [@yujiteshima](https://github.com/yujiteshima). ### [`v0.123.10`](https://github.com/fastapi/fastapi/releases/tag/0.123.10) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.9...0.123.10) ##### Fixes - 🐛 Fix using class (not instance) dependency that has `__call__` method. MR [#14458](https://github.com/fastapi/fastapi/pull/14458) by [@YuriiMotov](https://github.com/YuriiMotov). - 🐛 Fix `separate_input_output_schemas=False` with `computed_field`. MR [#14453](https://github.com/fastapi/fastapi/pull/14453) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.123.9`](https://github.com/fastapi/fastapi/releases/tag/0.123.9) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.8...0.123.9) ##### Fixes - 🐛 Fix OAuth2 scopes in OpenAPI in extra corner cases, parent dependency with scopes, sub-dependency security scheme without scopes. MR [#14459](https://github.com/fastapi/fastapi/pull/14459) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.8`](https://github.com/fastapi/fastapi/releases/tag/0.123.8) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.7...0.123.8) ##### Fixes - 🐛 Fix OpenAPI security scheme OAuth2 scopes declaration, deduplicate security schemes with different scopes. MR [#14455](https://github.com/fastapi/fastapi/pull/14455) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.7`](https://github.com/fastapi/fastapi/releases/tag/0.123.7) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.6...0.123.7) ##### Fixes - 🐛 Fix evaluating stringified annotations in Python 3.10. MR [#11355](https://github.com/fastapi/fastapi/pull/11355) by [@chaen](https://github.com/chaen). ### [`v0.123.6`](https://github.com/fastapi/fastapi/releases/tag/0.123.6) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.5...0.123.6) ##### Fixes - 🐛 Fix support for functools wraps and partial combined, for async and regular functions and classes in path operations and dependencies. MR [#14448](https://github.com/fastapi/fastapi/pull/14448) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.5`](https://github.com/fastapi/fastapi/releases/tag/0.123.5) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.4...0.123.5) ##### Features - ✨ Allow using dependables with `functools.partial()`. MR [#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. MR [#5077](https://github.com/fastapi/fastapi/pull/5077) by [@lucaswiman](https://github.com/lucaswiman). - ✨ Handle wrapped dependencies. MR [#9555](https://github.com/fastapi/fastapi/pull/9555) by [@phy1729](https://github.com/phy1729). ##### Fixes - 🐛 Fix optional sequence handling with new union syntax from Python 3.10. MR [#14430](https://github.com/fastapi/fastapi/pull/14430) by [@Viicos](https://github.com/Viicos). ##### Refactors - 🔥 Remove dangling extra condiitonal no longer needed. MR [#14435](https://github.com/fastapi/fastapi/pull/14435) by [@tiangolo](https://github.com/tiangolo). - ♻️ Refactor internals, update `is_coroutine` check to reuse internal supported variants (unwrap, check class). MR [#14434](https://github.com/fastapi/fastapi/pull/14434) by [@tiangolo](https://github.com/tiangolo). ##### Translations - 🌐 Sync German docs. MR [#14367](https://github.com/fastapi/fastapi/pull/14367) by [@nilslindemann](https://github.com/nilslindemann). ### [`v0.123.4`](https://github.com/fastapi/fastapi/releases/tag/0.123.4) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.3...0.123.4) ##### Fixes - 🐛 Fix OpenAPI schema support for computed fields when using `separate_input_output_schemas=False`. MR [#13207](https://github.com/fastapi/fastapi/pull/13207) by [@vgrafe](https://github.com/vgrafe). ##### Docs - 📝 Fix docstring of `servers` parameter. MR [#14405](https://github.com/fastapi/fastapi/pull/14405) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.123.3`](https://github.com/fastapi/fastapi/releases/tag/0.123.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.2...0.123.3) ##### Fixes - 🐛 Fix Query\Header\Cookie parameter model alias. MR [#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. MR [#14297](https://github.com/fastapi/fastapi/pull/14297) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.123.2`](https://github.com/fastapi/fastapi/releases/tag/0.123.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.1...0.123.2) ##### Fixes - 🐛 Fix unformatted `{type_}` in FastAPIError. MR [#14416](https://github.com/fastapi/fastapi/pull/14416) by [@Just-Helpful](https://github.com/Just-Helpful). - 🐛 Fix parsing extra non-body parameter list. MR [#14356](https://github.com/fastapi/fastapi/pull/14356) by [@YuriiMotov](https://github.com/YuriiMotov). - 🐛 Fix parsing extra `Form` parameter list. MR [#14303](https://github.com/fastapi/fastapi/pull/14303) by [@YuriiMotov](https://github.com/YuriiMotov). - 🐛 Fix support for form values with empty strings interpreted as missing (`None` if that's the default), for compatibility with HTML forms. MR [#13537](https://github.com/fastapi/fastapi/pull/13537) by [@MarinPostma](https://github.com/MarinPostma). ##### Docs - 📝 Add tip on how to install `pip` in case of `No module named pip` error in `virtual-environments.md`. MR [#14211](https://github.com/fastapi/fastapi/pull/14211) by [@zadevhub](https://github.com/zadevhub). - 📝 Update Primary Key notes for the SQL databases tutorial to avoid confusion. MR [#14120](https://github.com/fastapi/fastapi/pull/14120) by [@FlaviusRaducu](https://github.com/FlaviusRaducu). - 📝 Clarify estimation note in documentation. MR [#14070](https://github.com/fastapi/fastapi/pull/14070) by [@SaisakthiM](https://github.com/SaisakthiM). ### [`v0.123.1`](https://github.com/fastapi/fastapi/releases/tag/0.123.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.123.0...0.123.1) ##### Fixes - 🐛 Avoid accessing non-existing "$ref" key for Pydantic v2 compat remapping. MR [#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. MR [#12935](https://github.com/fastapi/fastapi/pull/12935) by [@kentwelcome](https://github.com/kentwelcome). ##### Internal - 🐛 Fix Windows UnicodeEncodeError in CLI test. MR [#14295](https://github.com/fastapi/fastapi/pull/14295) by [@hemanth-thirthahalli](https://github.com/hemanth-thirthahalli). - 🔧 Update sponsors: add Greptile. MR [#14429](https://github.com/fastapi/fastapi/pull/14429) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI GitHub topic repositories. MR [#14426](https://github.com/fastapi/fastapi/pull/14426) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump markdown-include-variants from 0.0.6 to 0.0.7. MR [#14423](https://github.com/fastapi/fastapi/pull/14423) by [@YuriiMotov](https://github.com/YuriiMotov). - 👥 Update FastAPI People - Sponsors. MR [#14422](https://github.com/fastapi/fastapi/pull/14422) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Contributors and Translators. MR [#14420](https://github.com/fastapi/fastapi/pull/14420) by [@tiangolo](https://github.com/tiangolo). ### [`v0.123.0`](https://github.com/fastapi/fastapi/releases/tag/0.123.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.122.1...0.123.0) ##### Fixes - 🐛 Cache dependencies that don't use scopes and don't have sub-dependencies with scopes. MR [#14419](https://github.com/fastapi/fastapi/pull/14419) by [@tiangolo](https://github.com/tiangolo). ### [`v0.122.1`](https://github.com/fastapi/fastapi/releases/tag/0.122.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.122.0...0.122.1) ##### Fixes - 🐛 Fix hierarchical security scope propagation. MR [#5624](https://github.com/fastapi/fastapi/pull/5624) by [@kristjanvalur](https://github.com/kristjanvalur). ##### Docs - 💅 Update CSS to explicitly use emoji font. MR [#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. MR [#14418](https://github.com/fastapi/fastapi/pull/14418) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.122.0`](https://github.com/fastapi/fastapi/releases/tag/0.122.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.3...0.122.0) ##### Fixes - 🐛 Use `401` status code in security classes when credentials are missing. MR [#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/). ##### Internal - 🔧 Configure labeler to exclude files that start from underscore for `lang-all` label. MR [#14213](https://github.com/fastapi/fastapi/pull/14213) by [@YuriiMotov](https://github.com/YuriiMotov). - 👷 Add pre-commit config with local script for permalinks. MR [#14398](https://github.com/fastapi/fastapi/pull/14398) by [@tiangolo](https://github.com/tiangolo). - 💄 Use font Fira Code to fix display of Rich panels in docs in Windows. MR [#14387](https://github.com/fastapi/fastapi/pull/14387) by [@tiangolo](https://github.com/tiangolo). - 👷 Add custom pre-commit CI. MR [#14397](https://github.com/fastapi/fastapi/pull/14397) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump actions/checkout from 5 to 6. MR [#14381](https://github.com/fastapi/fastapi/pull/14381) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - 👷 Upgrade `latest-changes` GitHub Action and pin `actions/checkout@v5`. MR [#14403](https://github.com/fastapi/fastapi/pull/14403) by [@svlandeg](https://github.com/svlandeg). - 🛠️ Add `add-permalinks` and `add-permalinks-page` to `scripts/docs.py`. MR [#14033](https://github.com/fastapi/fastapi/pull/14033) by [@YuriiMotov](https://github.com/YuriiMotov). - 🔧 Upgrade Material for MkDocs and remove insiders. MR [#14375](https://github.com/fastapi/fastapi/pull/14375) by [@tiangolo](https://github.com/tiangolo). ### [`v0.121.3`](https://github.com/fastapi/fastapi/releases/tag/0.121.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.2...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. MR [#14372](https://github.com/fastapi/fastapi/pull/14372) by [@tiangolo](https://github.com/tiangolo). ##### Upgrades - ⬆️ Bump Starlette to <`0.51.0`. MR [#14282](https://github.com/fastapi/fastapi/pull/14282) by [@musicinmybrain](https://github.com/musicinmybrain). ##### Docs - 📝 Add missing hash part. MR [#14369](https://github.com/fastapi/fastapi/pull/14369) by [@nilslindemann](https://github.com/nilslindemann). - 📝 Fix typos in code comments. MR [#14364](https://github.com/fastapi/fastapi/pull/14364) by [@Edge-Seven](https://github.com/Edge-Seven). - 📝 Add docs for using FastAPI Cloud. MR [#14359](https://github.com/fastapi/fastapi/pull/14359) by [@tiangolo](https://github.com/tiangolo). ### [`v0.121.2`](https://github.com/fastapi/fastapi/releases/tag/0.121.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.1...0.121.2) ##### Fixes - 🐛 Fix handling of JSON Schema attributes named "$ref". MR [#14349](https://github.com/fastapi/fastapi/pull/14349) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Add EuroPython talk & podcast episode with Sebastián Ramírez. MR [#14260](https://github.com/fastapi/fastapi/pull/14260) by [@clytaemnestra](https://github.com/clytaemnestra). - ✏️ Fix links and add missing permalink in docs. MR [#14217](https://github.com/fastapi/fastapi/pull/14217) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Translations - 🌐 Update Portuguese translations with LLM prompt. MR [#14228](https://github.com/fastapi/fastapi/pull/14228) by [@ceb10n](https://github.com/ceb10n). - 🔨 Add Portuguese translations LLM prompt. MR [#14208](https://github.com/fastapi/fastapi/pull/14208) by [@ceb10n](https://github.com/ceb10n). - 🌐 Sync Russian docs. MR [#14331](https://github.com/fastapi/fastapi/pull/14331) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Sync German docs. MR [#14317](https://github.com/fastapi/fastapi/pull/14317) by [@nilslindemann](https://github.com/nilslindemann). ### [`v0.121.1`](https://github.com/fastapi/fastapi/releases/tag/0.121.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.121.0...0.121.1) ##### Fixes - 🐛 Fix `Depends(func, scope='function')` for top level (parameterless) dependencies. MR [#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`. MR [#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. MR [#14276](https://github.com/fastapi/fastapi/pull/14276) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14289](https://github.com/fastapi/fastapi/pull/14289) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). ### [`v0.121.0`](https://github.com/fastapi/fastapi/releases/tag/0.121.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.4...0.121.0) ##### Features - ✨ Add support for dependencies with scopes, support `scope="request"` for dependencies with `yield` that exit before the response is sent. MR [#14262](https://github.com/fastapi/fastapi/pull/14262) by [@tiangolo](https://github.com/tiangolo). - New docs: [Dependencies with `yield` - Early exit and `scope`](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/#early-exit-and-scope). ##### Internal - 👥 Update FastAPI People - Contributors and Translators. MR [#14273](https://github.com/fastapi/fastapi/pull/14273) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Sponsors. MR [#14274](https://github.com/fastapi/fastapi/pull/14274) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI GitHub topic repositories. MR [#14280](https://github.com/fastapi/fastapi/pull/14280) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump mkdocs-macros-plugin from 1.4.0 to 1.4.1. MR [#14277](https://github.com/fastapi/fastapi/pull/14277) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump mkdocstrings\[python] from 0.26.1 to 0.30.1. MR [#14279](https://github.com/fastapi/fastapi/pull/14279) by [@dependabot\[bot\]](https://github.com/apps/dependabot). ### [`v0.120.4`](https://github.com/fastapi/fastapi/releases/tag/0.120.4) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.3...0.120.4) ##### Fixes - 🐛 Fix security schemes in OpenAPI when added at the top level app. MR [#14266](https://github.com/fastapi/fastapi/pull/14266) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.120.3`](https://github.com/fastapi/fastapi/releases/tag/0.120.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.2...0.120.3) ##### Refactors - ♻️ Reduce internal cyclic recursion in dependencies, from 2 functions calling each other to 1 calling itself. MR [#14256](https://github.com/fastapi/fastapi/pull/14256) by [@tiangolo](https://github.com/tiangolo). - ♻️ Refactor internals of dependencies, simplify code and remove `get_param_sub_dependant`. MR [#14255](https://github.com/fastapi/fastapi/pull/14255) by [@tiangolo](https://github.com/tiangolo). - ♻️ Refactor internals of dependencies, simplify using dataclasses. MR [#14254](https://github.com/fastapi/fastapi/pull/14254) by [@tiangolo](https://github.com/tiangolo). ##### Docs - 📝 Update note for untranslated pages. MR [#14257](https://github.com/fastapi/fastapi/pull/14257) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.120.2`](https://github.com/fastapi/fastapi/releases/tag/0.120.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.1...0.120.2) ##### Fixes - 🐛 Fix separation of schemas with nested models introduced in 0.119.0. MR [#14246](https://github.com/fastapi/fastapi/pull/14246) by [@tiangolo](https://github.com/tiangolo). ##### Internal - 🔧 Add sponsor: SerpApi. MR [#14248](https://github.com/fastapi/fastapi/pull/14248) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump actions/download-artifact from 5 to 6. MR [#14236](https://github.com/fastapi/fastapi/pull/14236) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14237](https://github.com/fastapi/fastapi/pull/14237) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - ⬆ Bump actions/upload-artifact from 4 to 5. MR [#14235](https://github.com/fastapi/fastapi/pull/14235) by [@dependabot\[bot\]](https://github.com/apps/dependabot). ### [`v0.120.1`](https://github.com/fastapi/fastapi/releases/tag/0.120.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.120.0...0.120.1) ##### Upgrades - ⬆️ Bump Starlette to <`0.50.0`. MR [#14234](https://github.com/fastapi/fastapi/pull/14234) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Internal - 🔧 Add `license` and `license-files` to `pyproject.toml`, remove `License` from `classifiers`. MR [#14230](https://github.com/fastapi/fastapi/pull/14230) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.120.0`](https://github.com/fastapi/fastapi/releases/tag/0.120.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.119.1...0.120.0) There are no major nor breaking changes in this release. ☕️ The internal reference documentation now uses `annotated_doc.Doc` instead of `typing_extensions.Doc`, this adds a new (very small) dependency on [`annotated-doc`](https://github.com/fastapi/annotated-doc), a package made just to provide that `Doc` documentation utility class. I would expect `typing_extensions.Doc` to be deprecated and then removed at some point from `typing_extensions`, for that reason there's the new `annotated-doc` micro-package. If you are curious about this, you can read more in the repo for [`annotated-doc`](https://github.com/fastapi/annotated-doc). This new version `0.120.0` only contains that transition to the new home package for that utility class `Doc`. ##### Translations - 🌐 Sync German docs. MR [#14188](https://github.com/fastapi/fastapi/pull/14188) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - ➕ Migrate internal reference documentation from `typing_extensions.Doc` to `annotated_doc.Doc`. MR [#14222](https://github.com/fastapi/fastapi/pull/14222) by [@tiangolo](https://github.com/tiangolo). - 🛠️ Update German LLM prompt and test file. MR [#14189](https://github.com/fastapi/fastapi/pull/14189) by [@nilslindemann](https://github.com/nilslindemann). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14181](https://github.com/fastapi/fastapi/pull/14181) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). ### [`v0.119.1`](https://github.com/fastapi/fastapi/releases/tag/0.119.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.119.0...0.119.1) ##### Fixes - 🐛 Fix internal Pydantic v1 compatibility (warnings) for Python 3.14 and Pydantic 2.12.1. MR [#14186](https://github.com/fastapi/fastapi/pull/14186) by [@svlandeg](https://github.com/svlandeg). ##### Docs - 📝 Replace `starlette.io` by `starlette.dev` and `uvicorn.org` by `uvicorn.dev`. MR [#14176](https://github.com/fastapi/fastapi/pull/14176) by [@Kludex](https://github.com/Kludex). ##### Internal - 🔧 Add sponsor Requestly. MR [#14205](https://github.com/fastapi/fastapi/pull/14205) by [@tiangolo](https://github.com/tiangolo). - 🔧 Configure reminder for `waiting` label in `issue-manager`. MR [#14156](https://github.com/fastapi/fastapi/pull/14156) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.119.0`](https://github.com/fastapi/fastapi/releases/tag/0.119.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.3...0.119.0) FastAPI now (temporarily) supports both Pydantic v2 models and `pydantic.v1` models at the same time in the same app, to make it easier for any FastAPI apps still using Pydantic v1 to gradually but quickly **migrate to Pydantic v2**. ```Python from fastapi import FastAPI from pydantic import BaseModel as BaseModelV2 from pydantic.v1 import BaseModel class Item(BaseModel): name: str description: str | None = None class ItemV2(BaseModelV2): title: str summary: str | None = None app = FastAPI() @app.post("/items/", response_model=ItemV2) def create_item(item: Item): return {"title": item.name, "summary": item.description} ``` Adding this feature was a big effort with the main objective of making it easier for the few applications still stuck in Pydantic v1 to migrate to Pydantic v2. And with this, support for **Pydantic v1 is now deprecated** and will be **removed** from FastAPI in a future version soon. **Note**: have in mind that the Pydantic team already stopped supporting Pydantic v1 for recent versions of Python, starting with Python 3.14. You can read in the docs more about how to [Migrate from Pydantic v1 to Pydantic v2](https://fastapi.tiangolo.com/how-to/migrate-from-pydantic-v1-to-pydantic-v2/). ##### Features - ✨ Add support for `from pydantic.v1 import BaseModel`, mixed Pydantic v1 and v2 models in the same app. MR [#14168](https://github.com/fastapi/fastapi/pull/14168) by [@tiangolo](https://github.com/tiangolo). ### [`v0.118.3`](https://github.com/fastapi/fastapi/releases/tag/0.118.3) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.2...0.118.3) ##### Upgrades - ⬆️ Add support for Python 3.14. MR [#14165](https://github.com/fastapi/fastapi/pull/14165) by [@svlandeg](https://github.com/svlandeg). ### [`v0.118.2`](https://github.com/fastapi/fastapi/releases/tag/0.118.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.1...0.118.2) ##### Fixes - 🐛 Fix tagged discriminated union not recognized as body field. MR [#12942](https://github.com/fastapi/fastapi/pull/12942) by [@frankie567](https://github.com/frankie567). ##### Internal - ⬆ Bump astral-sh/setup-uv from 6 to 7. MR [#14167](https://github.com/fastapi/fastapi/pull/14167) by [@dependabot\[bot\]](https://github.com/apps/dependabot). ### [`v0.118.1`](https://github.com/fastapi/fastapi/releases/tag/0.118.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.118.0...0.118.1) ##### Upgrades - 👽️ Ensure compatibility with Pydantic 2.12.0. MR [#14036](https://github.com/fastapi/fastapi/pull/14036) by [@cjwatson](https://github.com/cjwatson). ##### Docs - 📝 Add External Link: Getting started with logging in FastAPI. MR [#14152](https://github.com/fastapi/fastapi/pull/14152) by [@itssimon](https://github.com/itssimon). ##### Translations - 🔨 Add Russian translations LLM prompt. MR [#13936](https://github.com/fastapi/fastapi/pull/13936) by [@tiangolo](https://github.com/tiangolo). - 🌐 Sync German docs. MR [#14149](https://github.com/fastapi/fastapi/pull/14149) by [@nilslindemann](https://github.com/nilslindemann). - 🌐 Add Russian translations for missing pages (LLM-generated). MR [#14135](https://github.com/fastapi/fastapi/pull/14135) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Update Russian translations for existing pages (LLM-generated). MR [#14123](https://github.com/fastapi/fastapi/pull/14123) by [@YuriiMotov](https://github.com/YuriiMotov). - 🌐 Remove configuration files for inactive translations. MR [#14130](https://github.com/fastapi/fastapi/pull/14130) by [@tiangolo](https://github.com/tiangolo). ##### Internal - 🔨 Move local coverage logic to its own script. MR [#14166](https://github.com/fastapi/fastapi/pull/14166) by [@tiangolo](https://github.com/tiangolo). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14161](https://github.com/fastapi/fastapi/pull/14161) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - ⬆ Bump griffe-typingdoc from 0.2.8 to 0.2.9. MR [#14144](https://github.com/fastapi/fastapi/pull/14144) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump mkdocs-macros-plugin from 1.3.9 to 1.4.0. MR [#14145](https://github.com/fastapi/fastapi/pull/14145) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump markdown-include-variants from 0.0.4 to 0.0.5. MR [#14146](https://github.com/fastapi/fastapi/pull/14146) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14126](https://github.com/fastapi/fastapi/pull/14126) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - 👥 Update FastAPI GitHub topic repositories. MR [#14150](https://github.com/fastapi/fastapi/pull/14150) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Sponsors. MR [#14139](https://github.com/fastapi/fastapi/pull/14139) by [@tiangolo](https://github.com/tiangolo). - 👥 Update FastAPI People - Contributors and Translators. MR [#14138](https://github.com/fastapi/fastapi/pull/14138) by [@tiangolo](https://github.com/tiangolo). - ⬆ Bump ruff from 0.12.7 to 0.13.2. MR [#14147](https://github.com/fastapi/fastapi/pull/14147) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump sqlmodel from 0.0.24 to 0.0.25. MR [#14143](https://github.com/fastapi/fastapi/pull/14143) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - ⬆ Bump tiangolo/issue-manager from 0.5.1 to 0.6.0. MR [#14148](https://github.com/fastapi/fastapi/pull/14148) by [@dependabot\[bot\]](https://github.com/apps/dependabot). - 👷 Update docs previews comment, single comment, add failure status. MR [#14129](https://github.com/fastapi/fastapi/pull/14129) by [@tiangolo](https://github.com/tiangolo). - 🔨 Modify `mkdocs_hooks.py` to add `title` to page's metadata (remove permalinks in social cards). MR [#14125](https://github.com/fastapi/fastapi/pull/14125) by [@YuriiMotov](https://github.com/YuriiMotov). ### [`v0.118.0`](https://github.com/fastapi/fastapi/releases/tag/0.118.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.117.1...0.118.0) ##### 0.118.0 ##### Fixes - 🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done. MR [#14099](https://github.com/fastapi/fastapi/pull/14099) by [@tiangolo](https://github.com/tiangolo). Before FastAPI 0.118.0, if you used a dependency with `yield`, it would run the exit code after the *path operation function* returned but right before sending the response. This change also meant that if you returned a `StreamingResponse`, the exit code of the dependency with `yield` would have been already run. For example, if you had a database session in a dependency with `yield`, the `StreamingResponse` would not be able to use that session while streaming data because the session would have already been closed in the exit code after `yield`. This behavior was reverted in 0.118.0, to make the exit code after `yield` be executed after the response is sent. You can read more about it in the docs for [Advanced Dependencies - Dependencies with `yield`, `HTTPException`, `except` and Background Tasks](https://fastapi.tiangolo.com/advanced/advanced-dependencies#dependencies-with-yield-httpexception-except-and-background-tasks). Including what you could do if you wanted to close a database session earlier, before returning the response to the client. ##### Docs - 📝 Update `tutorial/security/oauth2-jwt/` to use `pwdlib` with Argon2 instead of `passlib`. MR [#13917](https://github.com/fastapi/fastapi/pull/13917) by [@Neizvestnyj](https://github.com/Neizvestnyj). - ✏️ Fix typos in OAuth2 password request forms. MR [#14112](https://github.com/fastapi/fastapi/pull/14112) by [@alv2017](https://github.com/alv2017). - 📝 Update contributing guidelines for installing requirements. MR [#14095](https://github.com/fastapi/fastapi/pull/14095) by [@alejsdev](https://github.com/alejsdev). ##### Translations - 🌐 Sync German docs. MR [#14098](https://github.com/fastapi/fastapi/pull/14098) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - ⬆ \[pre-commit.ci] pre-commit autoupdate. MR [#14103](https://github.com/fastapi/fastapi/pull/14103) by [@pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci). - ♻️ Refactor sponsor image handling. MR [#14102](https://github.com/fastapi/fastapi/pull/14102) by [@alejsdev](https://github.com/alejsdev). - 🐛 Fix sponsor display issue by hiding element on image error. MR [#14097](https://github.com/fastapi/fastapi/pull/14097) by [@alejsdev](https://github.com/alejsdev). - 🐛 Hide sponsor badge when sponsor image is not displayed. MR [#14096](https://github.com/fastapi/fastapi/pull/14096) by [@alejsdev](https://github.com/alejsdev). ### [`v0.117.1`](https://github.com/fastapi/fastapi/releases/tag/0.117.1) [Compare Source](https://github.com/fastapi/fastapi/compare/0.117.0...0.117.1) ##### Fixes - 🐛 Fix validation error when `File` is declared after `Form` parameter. MR [#11194](https://github.com/fastapi/fastapi/pull/11194) by [@thomasleveil](https://github.com/thomasleveil). ### [`v0.117.0`](https://github.com/fastapi/fastapi/releases/tag/0.117.0) [Compare Source](https://github.com/fastapi/fastapi/compare/0.116.2...0.117.0) ##### Features - ✨ Allow `None` as return type for bodiless responses. MR [#9425](https://github.com/fastapi/fastapi/pull/9425) by [@hofrob](https://github.com/hofrob). - ✨ Allow array values for OpenAPI schema `type` field. MR [#13639](https://github.com/fastapi/fastapi/pull/13639) by [@sammasak](https://github.com/sammasak). - ✨ Add OpenAPI `external_docs` parameter to `FastAPI`. MR [#13713](https://github.com/fastapi/fastapi/pull/13713) by [@cmtoro](https://github.com/cmtoro). ##### Fixes - ⚡️ Fix `default_factory` for response model field with Pydantic V1. MR [#9704](https://github.com/fastapi/fastapi/pull/9704) by [@vvanglro](https://github.com/vvanglro). - 🐛 Fix inconsistent processing of model docstring formfeed char with Pydantic V1. MR [#6039](https://github.com/fastapi/fastapi/pull/6039) by [@MaxwellPayne](https://github.com/MaxwellPayne). - 🐛 Fix `jsonable_encoder` alters `json_encoders` of Pydantic v1 objects. MR [#4972](https://github.com/fastapi/fastapi/pull/4972) by [@aboubacs](https://github.com/aboubacs). - 🐛 Reenable `allow_arbitrary_types` when only 1 argument is used on the API endpoint. MR [#13694](https://github.com/fastapi/fastapi/pull/13694) by [@rmawatson](https://github.com/rmawatson). - 🐛 Fix `inspect.getcoroutinefunction()` can break testing with `unittest.mock.patch()`. MR [#14022](https://github.com/fastapi/fastapi/pull/14022) by [@secrett2633](https://github.com/secrett2633). ##### Refactors - ♻️ Create `dependency-cache` dict in `solve_dependencies` only if `None` (don't re-create if empty). MR [#13689](https://github.com/fastapi/fastapi/pull/13689) by [@bokshitsky](https://github.com/bokshitsky). - ✅ Enable test case for duplicated headers in `test_tutorial/test_header_params/test_tutorial003.py`. MR [#13864](https://github.com/fastapi/fastapi/pull/13864) by [@Amogha-ark](https://github.com/Amogha-ark). - 📌 Pin `httpx` to `>=0.23.0,<1.0.0`. MR [#14086](https://github.com/fastapi/fastapi/pull/14086) by [@YuriiMotov](https://github.com/YuriiMotov). ##### Docs - 📝 Add note about Cookies and JavaScript on `tutorial/cookie-params.md`. MR [#13510](https://github.com/fastapi/fastapi/pull/13510) by [@Kludex](https://github.com/Kludex). - 📝 Remove outdated formatting from `path-params-numeric-validations.md` for languages `en`, `es` and `uk`.. MR [#14059](https://github.com/fastapi/fastapi/pull/14059) by [@svlandeg](https://github.com/svlandeg). - 📝 Fix and Improve English Documentation. MR [#14048](https://github.com/fastapi/fastapi/pull/14048) by [@nilslindemann](https://github.com/nilslindemann). ##### Translations - 📝 Update prompts and German translation. MR [#14015](https://github.com/fastapi/fastapi/pull/14015) by [@nilslindemann](https://github.com/nilslindemann). ##### Internal - ✅ Simplify tests for response\_model. MR [#14062](https://github.com/fastapi/fastapi/pull/14062) by [@dynamicy](https://github.com/dynamicy). - 🚨 Install pydantic.mypy plugin. MR [#14081](https://github.com/fastapi/fastapi/pull/14081) by [@svlandeg](https://github.com/svlandeg). - ✅ Add LLM test file. MR [#14049](https://github.com/fastapi/fastapi/pull/14049) by [@nilslindemann](https://github.com/nilslindemann). - 🔨 Update translations script. MR [#13968](https://github.com/fastapi/fastapi/pull/13968) by [@YuriiMotov](https://github.com/YuriiMotov). - 🛠️ Update `docs.py generate-readme` command to remove permalinks from headers. MR [#14055](https://github.com/fastapi/fastapi/pull/14055) by [@YuriiMotov](https://github.com/YuriiMotov). - ⬆️ Update mypy to 1.14.1. MR [#12970](https://github.com/fastapi/fastapi/pull/12970) by [@tamird](https://github.com/tamird). ### [`v0.116.2`](https://github.com/fastapi/fastapi/releases/tag/0.116.2) [Compare Source](https://github.com/fastapi/fastapi/compare/0.116.1...0.116.2) ##### Upgrades - ⬆️ Upgrade Starlette supported version range to >=0.40.0,<0.49.0. MR [#14077](https://github.com/fastapi/fastapi/pull/14077) by [@musicinmybrain](https://github.com/musicinmybrain). ##### Docs - 📝 Add documentation for Behind a Proxy - Proxy Forwarded Headers, using `--forwarded-allow-ips="*"`. MR [#14028](https://github.com/fastapi/fastapi/pull/14028) by [@tiangolo](https://github.com/tiangolo). - 📝 Add deprecation info block about `dict()` in `docs/tutorial/body.md`. MR [#13906](https://github.com/fastapi/fastapi/pull/13906) by [@jomkv](https://github.com/jomkv). - 📝 Fix Twitter to be X (Twitter) ev…

tiangolo and others added 14 commits October 29, 2025 23:53

♻️ Simplify internal classes for Depends and Security with dataclasses

7ce51a7

🔥 Remove unnecessary repr test code for Depends as dataclasses handle…

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… that automatically

♻️ Handle security depends possibly with None

7e0ce06

🔥 Remove spoiler

db77e81

♻️ Simplify and clean up internals for dependencies

79d4853

♻️ Reduce internal cyclic recursion in dependencies, from 2 functions…

ae64f11

… calling each other to 1 calling itself

✨ Add scope to Depends parameters

33a2edb

✨ Add scope logic to Dependant internal class

f302b2a

✨ Add new exit async stack with scopes for function and request

1e0c2bc

✨ Add new error for invalid dependencies' scopes

00b9028

✨ Use new scoped async exit stacks for dependencies

86ad30f

✅ Add some tests for dependencies with yield and scope

8c533ee

🔄 Merge branch 'master' into depends4

9fe5d01

🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

786d059

svlandeg added the feature New feature or request label Oct 31, 2025

tiangolo added 13 commits October 31, 2025 22:19

🔄 Merge branch 'master' into depends4

af0c1d4

♻️ Refactor dependencies, allow a default scope of None

87bec29

♻️ Refactor Dependant to compute its scope

9532170

🔥 Remove unused imports

eef80ba

♻️ Improve the error for broken scopes in dependencies

936c1f4

✅ Add more tests for dependencies with scopes

0ca3d50

✅ Update tests for dependencies with yield and scopes

d536c68

✅ Add tests for dependencies with yield and scopes in websockets

f812dc5

✅ Update tests to check dependencies are closed after websockets

0989803

🐛 Fix running WebSocket function inside both async exit stacks

1c08488

✅ Add contextvars black magic state to handle multiple tests changing…

35adfad

… the state

✅ Tweak test for Python 3.8

334df87

🔥 Remove unnecessary comment

0fa09ee

tiangolo and others added 5 commits November 3, 2025 10:47

📝 Update docs for dependencies with yield

c225644

📝 Update param docs for Depends()

81e4d90

📝 Add source examples for docs for dependencies with yield and scope

781f137

✅ Add test for docs for dependencies with yield and scope

c866bdb

🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

a2d4374

tiangolo added 2 commits November 3, 2025 11:03

📝 Update Mermaid chart

b0a7d59

Merge branch 'master' into depends4

90957d9

tiangolo marked this pull request as ready for review November 3, 2025 10:04

tiangolo merged commit ac438b9 into master Nov 3, 2025
45 checks passed

tiangolo deleted the depends4 branch November 3, 2025 10:12

pierrejeambrun mentioned this pull request Nov 3, 2025

Incompatibilities with FastAPI 0.121.0 zmievsa/cadwyn#305

Closed

potiuk mentioned this pull request Nov 3, 2025

Incompatibility between Airflow 3.0.6 and FastAPI 0.121.0 apache/airflow#57752

Closed

2 tasks

This was referenced Nov 4, 2025

⚡️ Reuse coroutine inspection result #14291

Closed

⚡️ Cache callable inspection result #13974

Closed

UltimateLobster mentioned this pull request Nov 8, 2025

✨ Add lifespan dependency scope #12529

Open

nilslindemann added a commit to nilslindemann/fastapi that referenced this pull request Nov 8, 2025

Sync with fastapi#14262

b5a358a

YuriiMotov pushed a commit that referenced this pull request Nov 10, 2025

🌐 Sync German docs (#14317)

db488f3

* Sync with #14262 * Sync with #14287 * Two improvements * "Frühzeitig beenden" -> "Frühes Beenden" * "Make herum" bold too

pierrejeambrun mentioned this pull request Nov 20, 2025

Remove FastAPI upper constraint apache/airflow#58524

Merged

chrisburr mentioned this pull request Jan 20, 2026

fix: require fastapi>=0.121.0 for Depends scope parameter DIRACGrid/diracx#737

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✨ Add support for dependencies with scopes, support `scope="request"` for dependencies with `yield` that exit before the response is sent#14262

✨ Add support for dependencies with scopes, support `scope="request"` for dependencies with `yield` that exit before the response is sent#14262
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