Update dependency pydantic to v2.13.0b1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pydantic (changelog)	==2.12.5 → ==2.13.0b1

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Release Notes

pydantic/pydantic (pydantic)

v2.13.0b1

Compare Source

GitHub release

This is the first beta release of the 2.13 version, mainly providing bug fixes and performance improvements
for validation and serialization.

Notable changes include:

• Add a new polymorphic_serialization option, solving issues with serialize_as_any introduced in 2.12.
• Latest V1.10.26 release under the pydantic.v1 namespace. This version includes support for Python 3.14.
• The pydantic-core repository was merged inside the main pydantic one.

What's Changed

Packaging

• Bump Rust url dependency from 2.5.4 to 2.5.7 in pydantic-core by @​dependabot[bot] in #​12508
• Bump Rust minimum version to 1.88, use edition 2024 by @​davidhewitt and @​Viicos in #​12551 and #​12752
• Bump PyO3 to 0.28, jiter to 0.13 by @​davidhewitt in #​12767

New Features

• Add polymorphic_serialization option by @​davidhewitt in #​12518
• Support Root models with Literal root types as discriminator field types by @​YassinNouh21 in #​12680

Changes

• Migrate pydantic-core CI by @​Viicos in #​12752
• Import pydantic-core into pydantic by @​davidhewitt in #​12481
• Backport V1 changes up to v1.10.26 by @​Viicos in #​12663
• Use the complex() constructor unconditionally when validating complex Python data by @​tanmaymunjal in #​12498
• Add support for three-tuple input for Decimal by @​tanmaymunjal in #​12500
• Align @field_serializer logic with @field_validator by @​Viicos in #​12577
• Make PydanticUserError a RuntimeError instead of a TypeError by @​poliakovva in #​12579
• Remove redundant serialization attempts in nested unions by @​davidhewitt in #​12604
• Copy root value when making root model shallow copies by @​YassinNouh21 in #​12679
• Ensure deterministic JSON schema defaults by sorting sets by @​drshvik in #​12760

Performance

• Refactor DecoratorInfos.build() implementation by @​Viicos in #​12536
• Cache compiled regex in pydantic-core by @​Viicos in #​12549
• Optimize creation of Literal validators by @​davidhewitt in #​12569
• Optimize implementation of LookupKey by @​davidhewitt in #​12571
• Use python strings for field names by @​davidhewitt in #​12631
• Optimize datetime formatting code by @​davidhewitt in #​12626
• Validate JSON model data by iteration by @​davidhewitt in #​12550
• Optimize annotations evaluation of Pydantic models by @​Viicos in #​12681
• Optimize FieldInfo._copy() by @​Viicos in #​12727

Fixes

• Fix FieldInfo rebuilding when parameterizing generic models with an Annotated type by @​Viicos in #​12463
• Fix nested model schema deduplication in JSON schema generation by @​marwan-alloreview in #​12494
• Fix InitVar being ignored when using with the pydantic.Field() function by @​Viicos in #​12495
• Fix support for enums with NamedTuple as values by @​Viicos in #​12506
• Do not delete mock validator/serializer in rebuild_dataclass() by @​Viicos in #​12513
• Require test suite to pass with free threading, switch back to global generic types cache by @​davidhewitt in #​12537
• Refactor __pydantic_extra__ annotation handling by @​Viicos in #​12563
• Do not add claim of UUID "safety" provision by @​davidhewitt in #​12567
• Use Python hash to perform lookup in tagged union serializer by @​davidhewitt in #​12594
• Do not emit serialization warning MISSING sentinel is present in a nested model by @​Viicos in #​12635
• Do not eagerly evaluate annotations in signature logic by @​Viicos in #​12660
• Fix serialization of typed dict unions when exclude_none is set by @​davidhewitt in #​12677
• Do not reuse prebuilt serializers/validators on rebuilds by @​lmmx in #​12689
• Fix type annotation of field_definitions in create_model() by @​lehmann-hqs in #​12734
• Fix incorrect dataclass constructor signature when overriding class kw_only with Field() by @​jfadia in #​12741
• Use typing.Union when replacing types under Python 3.14 by @​Viicos in #​12733
• Improve ImportString error when internal imports fail by @​tsembp in #​12740
• Fix serializing complex numbers with negative zero imaginary part by @​lhnwrk in #​12770
• Preserve custom docstrings on stdlib dataclasses in JSON schema by @​nightcityblade in #​12815

New Contributors

• @​marwan-alloreview made their first contribution in #​12494
• @​tanmaymunjal made their first contribution in #​12498
• @​poliakovva made their first contribution in #​12579
• @​lehmann-hqs made their first contribution in #​12734
• @​jfadia made their first contribution in #​12741
• @​tsembp made their first contribution in #​12740
• @​drshvik made their first contribution in #​12760
• @​lhnwrk made their first contribution in #​12770
• @​nightcityblade made their first contribution in #​12815

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