Sourced from pydantic-core's releases.

v2.40.1 2025-10-02

What's Changed

• Reapply "Match return type of SerializationInfo.mode() to mode of model_dump() (#1770)" (#1797) by @​Viicos in pydantic/pydantic-core#1815
• Add quotes to field name in serialization warning by @​Viicos in pydantic/pydantic-core#1816
• Only create class instance after validation in ModelValidator.validate_construct() by @​Viicos in pydantic/pydantic-core#1818

Full Changelog: https://github.com/pydantic/pydantic-core/compare/v2.40.0...v2.40.1

v2.40.0 2025-10-01

What's Changed

• Add extra parameter to the validate functions by @​anvilpete in pydantic/pydantic-core#1722
• chore: Correct grammar in docstring by @​willsawyerrrr in pydantic/pydantic-core#1784
• bump pyo3 to 0.26, jiter to 0.11 by @​davidhewitt in pydantic/pydantic-core#1785
• Add GraalPy 3.12 to CI, build GraalPy wheels for more platforms by @​msimacek in pydantic/pydantic-core#1790
• Add fail-fast for dicts by @​uriyyo in pydantic/pydantic-core#1543
• fix EitherString::as_cow implementation by @​davidhewitt in pydantic/pydantic-core#1794
• Reuse basic validators and serializers by @​davidhewitt in pydantic/pydantic-core#1795
• Add option to preserve empty URL paths by @​davidhewitt in pydantic/pydantic-core#1789
• Bump idna from 1.0.3 to 1.1.0 by @​dependabot[bot] in pydantic/pydantic-core#1806
• Bump uuid from 1.17.0 to 1.18.1 by @​dependabot[bot] in pydantic/pydantic-core#1802
• Bump serde_json from 1.0.142 to 1.0.145 by @​dependabot[bot] in pydantic/pydantic-core#1811
• Add field name in serialization error by @​NicolasPllr1 in pydantic/pydantic-core#1799
• Bump regex from 1.11.1 to 1.11.3 by @​dependabot[bot] in pydantic/pydantic-core#1804

New Contributors

• @​anvilpete made their first contribution in pydantic/pydantic-core#1722
• @​willsawyerrrr made their first contribution in pydantic/pydantic-core#1784
• @​l00ptr made their first contribution in pydantic/pydantic-core#1770
• @​NicolasPllr1 made their first contribution in pydantic/pydantic-core#1799

Full Changelog: https://github.com/pydantic/pydantic-core/compare/v2.39.0...v2.40.0

• 70bd6f9 Prepare release v2.40.1 (#1819)
• 32c76bf Only create class instance after validation in `ModelValidator.validate_const...
• 8d06fac Bump maturin to v1.9.4 (#1817)
• d677428 Add quotes to field name in serialization warning (#1816)
• 7a1a124 Reapply "Match return type of SerializationInfo.mode() to mode of model_dump(...
• edfdce8 ci: fix pydantic integration test to actually use local core (#1814)
• 13a34ef release: 2.40.0 (#1812)
• 52d7510 Bump regex from 1.11.1 to 1.11.3 (#1804)
• 22e88b1 Bump CodSpeedHQ/action from 3 to 4 (#1805)
• 37d2ce4 Bump actions/setup-python from 5 to 6 (#1803)
• Additional commits viewable in compare view

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