Sourced from pydantic's releases.

v2.12.0 2025-10-07

v2.12.0 (2025-10-07)

[!NOTE] Check out the blog post for release highlights.

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 2.12.0a1 and 2.12.0b1 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

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.11.10...v2.12.0

v2.12.0b1 2025-10-03

v2.12.0b1 (2025-10-03)

This is the first beta release of the upcoming 2.12 release.

What's Changed

... (truncated)

Sourced from pydantic's changelog.

v2.12.0 (2025-10-07)

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

v2.12.0b1 (2025-10-03)

GitHub release

This is the first beta release of the upcoming 2.12 release.

What's Changed

Packaging

... (truncated)

• a7928e6 Update Python version in documentation publishing CI job (#12344)
• 0e188d0 Prepare release 2.12.0 (#12343)
• 1231eee Use proper stacklevel in warnings when possible (#12342)
• 94989e0 Use Any as context annotation in plugin API (#12341)
• 3f59a03 Add __qualname__ parameter for create_model (#12001)
• 28c62c3 Rewrite std types, fields and strict mode documentation (#12287)
• 34baf12 Add union_format parameter to JSON Schema generation (#12147)
• 495b03f Add preverse_empty_path URL options (#12336)
• 82d4254 Respect validation_alias in @validate_call (#12340)
• 4bd8418 Expose FieldInfo in pydantic.fields.__all__ (#12339)
• Additional commits viewable in compare view

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