v2.12.3

Compare Source

v2.12.2: 2025年10月14日

Compare Source

v2.12.2 (2025年10月14日)

What's Changed

Fixes

• Release a new pydantic-core version, as a corrupted CPython 3.10 manylinux2014_aarch64 wheel got uploaded (pydantic-core#1843).
• Fix issue with recursive generic models with a parent model class by @​Viicos in #​12398

Full Changelog: pydantic/pydantic@v2.12.1...v2.12.2

v2.12.1: 2025年10月13日

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v2.12.1 (2025年10月13日)

GitHub release

What's Changed

This is the first 2.12 patch release, addressing most (but not all yet) regressions from the initial 2.12.0 release.

Fixes

• Do not evaluate annotations when inspecting validators and serializers by @​Viicos in #​12355
• Make sure None is converted as NoneType in Python 3.14 by @​Viicos in #​12370
• Backport V1 runtime warning when using Python 3.14 by @​Viicos in #​12367
• Fix error message for invalid validator signatures by @​Viicos in #​12366
• Populate field name in ValidationInfo for validation of default value by @​Viicos in pydantic-core#1826
• Encode credentials in MultiHostUrl builder by @​willswire in pydantic-core#1829
• Respect field serializers when using serialize_as_any serialization flag by @​davidhewitt in pydantic-core#1829
• Fix various RootModel serialization issues by @​davidhewitt in pydantic-core#1836

New Contributors

• @​willswire made their first contribution in pydantic-core#1829

Full Changelog: pydantic/pydantic@v2.12.0...v2.12.1

v2.12.0

Compare Source

GitHub release

What's Changed

This is the final 2.12 release. It features the work of 20 external contributors and provides useful new features, along with initial Python 3.14 support.
Several minor changes (considered non-breaking changes according to our versioning policy)
are also included in this release. Make sure to look into them before upgrading.

Changes (see the alpha and beta releases for additional changes since 2.11):

Packaging

• Update V1 copy to v1.10.24 by @​Viicos in #​12338

New Features

• Add extra parameter to the validate functions by @​anvilpete in #​12233
• Add exclude_computed_fields serialization option by @​Viicos in #​12334
• Add preverse_empty_path URL options by @​Viicos in #​12336
• Add union_format parameter to JSON Schema generation by @​Viicos in #​12147
• Add __qualname__ parameter for create_model by @​Atry in #​12001

Fixes

• Do not try to infer name from lambda definitions in pipelines API by @​Viicos in #​12289
• Use proper namespace for functions in TypeAdapter by @​Viicos in #​12324
• Use Any for context type annotation in TypeAdapter by @​inducer in #​12279
• Expose FieldInfo in pydantic.fields.__all__ by @​Viicos in #​12339
• Respect validation_alias in @validate_call by @​Viicos in #​12340
• Use Any as context annotation in plugin API by @​Viicos in #​12341
• Use proper stacklevel in warnings when possible by @​Viicos in #​12342

New Contributors

• @​anvilpete made their first contribution in #​12233
• @​JonathanWindell made their first contribution in #​12327
• @​inducer made their first contribution in #​12279
• @​Atry made their first contribution in #​12001