Sourced from pydantic's releases.

v2.13.1 2026-04-15

v2.13.1 (2026-04-15)

What's Changed

Fixes

• Fix ValidationInfo.data missing with model_validate_json() by @​davidhewitt in #13079

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.13.0...v2.13.1

v2.13.0 2026-04-13

v2.13.0 (2026-04-13)

The highlights of the v2.13 release are available in the blog post. 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.

This release contains the updated pydantic.v1 namespace, matching version 1.10.26 which includes support for Python 3.14.

What's Changed

See the beta releases for all changes sinces 2.12.

Packaging

• Add zizmor for GitHub Actions workflow linting by @​Viicos in #13039
• Update jiter to v0.14.0 to fix a segmentation fault on musl Linux by @​Viicos in #13064

New Features

• Allow default factories of private attributes to take validated model data by @​Viicos in #13013

Changes

• Warn when serializing fixed length tuples with too few items by @​arvindsaripalli in #13016

Fixes

• Change type of Any when synthesizing _build_sources for BaseSettings.__init__() signature in the mypy plugin by @​Viicos in #13049
• Fix model equality when using runtime extra configuration by @​Viicos in #13062

New Contributors

• @​arvindsaripalli made their first contribution in #13016

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.12.0...v2.13.0

v2.13.0b3 2026-03-31

... (truncated)

Sourced from pydantic's changelog.

v2.13.1 (2026-04-15)

GitHub release

What's Changed

Fixes

• Fix ValidationInfo.data missing with model_validate_json() by @​davidhewitt in #13079

v2.13.0 (2026-04-13)

GitHub release

The highlights of the v2.13 release are available in the blog post. 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.

This release contains the updated pydantic.v1 namespace, matching version 1.10.26 which includes support for Python 3.14.

What's Changed

See the beta releases for all changes sinces 2.12.

New Features

• Allow default factories of private attributes to take validated model data by @​Viicos in #13013

Changes

• Warn when serializing fixed length tuples with too few items by @​arvindsaripalli in #13016

Fixes

• Change type of Any when synthesizing _build_sources for BaseSettings.__init__() signature in the mypy plugin by @​Viicos in #13049
• Fix model equality when using runtime extra configuration by @​Viicos in #13062

Packaging

• Add zizmor for GitHub Actions workflow linting by @​Viicos in #13039
• Update jiter to v0.14.0 to fix a segmentation fault on musl Linux by @​Viicos in #13064

New Contributors

• @​arvindsaripalli made their first contribution in #13016

v2.13.0b3 (2026-03-31)

GitHub release

... (truncated)

• d45d8be Prepare release 2.13.1
• 54aca60 Fix ValidationInfo.data missing with model_validate_json()
• 46bf4fa Fix Pydantic release workflow (#13067)
• 1b359ed Prepare release v2.13.0 (#13065)
• b1bf194 Fix model equality when using runtime extra configuration (#13062)
• 17a35e3 Update jiter to v0.14.0 (#13064)
• feea402 Use simulation mode in Codspeed CI (#13063)
• 671c9b0 Add basic benchmarks for model equality (#13061)
• d17d71e Bump cryptography from 46.0.6 to 46.0.7 (#13056)
• 919d61a 👥 Update Pydantic People (#13059)
• Additional commits viewable in compare view

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