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@renovate renovate bot commented Feb 7, 2026

ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package Change Age Confidence
FastAPI (changelog) ==0.100.0==0.128.4 age confidence
fastapi (changelog) ==0.100.0==0.128.4 age confidence
fastapi (changelog) ==0.115.6==0.128.4 age confidence

Release Notes

fastapi/fastapi (FastAPI)

v0.128.4

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Refactors
  • ♻️ Refactor internals, simplify Pydantic v2/v1 utils, create_model_field, better types for lenient_issubclass. PR #​14860 by @​tiangolo.
  • ♻️ Simplify internals, remove Pydantic v1 only logic, no longer needed. PR #​14857 by @​tiangolo.
  • ♻️ Refactor internals, cleanup unneeded Pydantic v1 specific logic. PR #​14856 by @​tiangolo.
Translations
Internal

v0.128.3

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Refactors
  • ♻️ Re-implement on_event in FastAPI for compatibility with the next Starlette, while keeping backwards compatibility. PR #​14851 by @​tiangolo.
Upgrades
  • ⬆️ Upgrade Starlette supported version range to starlette>=0.40.0,<1.0.0. PR #​14853 by @​tiangolo.
Translations
Internal
  • 👷 Run tests with Starlette from git. PR #​14849 by @​tiangolo.
  • 👷 Run tests with lower bound uv sync, upgrade fastapi[all] minimum dependencies: ujson >=5.8.0, orjson >=3.9.3. PR #​14846 by @​tiangolo.

v0.128.2

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Features
Fixes
Docs
Translations
Internal

v0.128.1

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Features
  • ✨ Add viewport meta tag to improve Swagger UI on mobile devices. PR #​14777 by @​Joab0.
  • 🚸 Improve error message for invalid query parameter type annotations. PR #​14479 by @​retwish.
Fixes
Refactors
Docs
Translations
Internal

v0.128.0

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Breaking Changes
Internal

v0.127.1

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Refactors
Docs
Translations
Internal

v0.127.0

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Breaking Changes
Translations
  • 🔧 Add LLM prompt file for Korean, generated from the existing translations. PR #​14546 by @​tiangolo.
  • 🔧 Add LLM prompt file for Japanese, generated from the existing translations. PR #​14545 by @​tiangolo.
Internal

v0.126.0

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Upgrades
  • ➖ Drop support for Pydantic v1, keeping short temporary support for Pydantic v2's pydantic.v1. PR #​14575 by @​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
Translations
  • 🔧 Add LLM prompt file for Ukrainian, generated from the existing translations. PR #​14548 by @​tiangolo.
Internal

v0.125.0

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Breaking Changes
  • 🔧 Drop support for Python 3.8. PR #​14563 by @​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
Docs
Translations
Internal

v0.124.4

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Fixes

v0.124.3

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Fixes
  • 🐛 Fix support for tagged union with discriminator inside of Annotated with Body(). PR #​14512 by @​tiangolo.
Refactors
Docs
Translations
Internal

v0.124.2

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Fixes
  • 🐛 Fix support for if TYPE_CHECKING, non-evaluated stringified annotations. PR #​14485 by @​tiangolo.

v0.124.1

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Fixes
  • 🐛 Fix handling arbitrary types when using arbitrary_types_allowed=True. PR #​14482 by @​tiangolo.
Docs
Internal

v0.124.0

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Features
Internal

v0.123.10

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Fixes

v0.123.9

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v0.123.8

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Fixes
  • 🐛 Fix OpenAPI security scheme OAuth2 scopes declaration, deduplicate security schemes with different scopes. PR #​14455 by @​tiangolo.

v0.123.7

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Fixes

v0.123.6

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Fixes
  • 🐛 Fix support for functools wraps and partial combined, for async and regular functions and classes in path operations and dependencies. PR #​14448 by @​tiangolo.

v0.123.5

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Features
Fixes
  • 🐛 Fix optional sequence handling with new union syntax from Python 3.10. PR #​14430 by @​Viicos.
Refactors
  • 🔥 Remove dangling extra condiitonal no longer needed. PR #​14435 by @​tiangolo.
  • ♻️ Refactor internals, update is_coroutine check to reuse internal supported variants (unwrap, check class). PR #​14434 by @​tiangolo.
Translations

v0.123.4

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Fixes
  • 🐛 Fix OpenAPI schema support for computed fields when using separate_input_output_schemas=False. PR #​13207 by @​vgrafe.
Docs

v0.123.3

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Fixes

v0.123.2

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Fixes
Docs

v0.123.1

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Fixes
Internal

v0.123.0

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

v0.122.1

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Fixes
Docs
Internal

v0.122.0

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Fixes
Internal

v0.121.3

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0.121.3

Refactors
  • ♻️ Make the result of Depends() and Security() hashable, as a workaround for other tools interacting with these internal parts. PR #​14372 by @​tiangolo.
Upgrades
Docs

v0.121.2

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Fixes
Docs
Translations

v0.121.1

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Fixes
  • 🐛 Fix Depends(func, scope='function') for top level (parameterless) dependencies. PR #​14301 by @​luzzodev.
Docs
  • 📝 Upate docs for advanced dependencies with yield, noting the changes in 0.121.0, adding scope. PR #​14287 by @​tiangolo.
Internal

v0.121.0

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Features
Internal

v0.120.4

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Fixes

v0.120.3

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot added the dependencies label Feb 7, 2026
@renovate renovate bot changed the title chore(deps): update dependency fastapi to v0.128.4 chore(deps): update dependency fastapi to v0.128.4 - autoclosed Feb 7, 2026
@renovate renovate bot closed this Feb 7, 2026
@renovate renovate bot deleted the renovate/fastapi-0.x branch February 7, 2026 11:14
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