v2.9.2 (2024-09-17)

What's Changed

Fixes

• Do not error when trying to evaluate annotations of private attributes by @Viicos in #10358
• Adding notes on designing sound Callable discriminators by @sydney-runkle in #10400
• Fix serialization schema generation when using PlainValidator by @Viicos in #10427
• Fix Union serialization warnings by @sydney-runkle in pydantic/pydantic-core#1449
• Fix variance issue in _IncEx type alias, only allow True by @Viicos in #10414
• Fix ZoneInfo validation with various invalid types by @sydney-runkle in #10408

Full Changelog: v2.9.1...v2.9.2

v2.9.1 (2024-09-09)

What's Changed

Fixes

• Fix Predicate issue in v2.9.0 by @sydney-runkle in #10321
• Fixing annotated-types bound to >=0.6.0 by @sydney-runkle in #10327
• Turn tzdata install requirement into optional timezone dependency by @jakob-keller in #10331
• Fix IncExc type alias definition by @Viicos in #10339
• Use correct types namespace when building namedtuple core schemas by @Viicos in #10337
• Fix evaluation of stringified annotations during namespace inspection by @Viicos in #10347
• Fix tagged union serialization with alias generators by @sydney-runkle in pydantic/pydantic-core#1442

Full Changelog: v2.9.0...v2.9.1

v2.9.0 (2024-09-05)

The code released in v2.9.0 is practically identical to that of v2.9.0b2.

Check out our blog post to learn more about the release highlights!

What's Changed

Packaging

• Bump ruff to v0.5.0 and pyright to v1.1.369 by @sydney-runkle in #9801
• Bump pydantic-extra-types to v2.9.0 by @sydney-runkle in #9832
• Support compatibility with pdm v2.18.1 by @Viicos in #10138
• Bump v1 version stub to v1.10.18 by @sydney-runkle in #10214
• Bump pydantic-core to v2.23.2 by @sydney-runkle in #10311

New Features

• Add support for ZoneInfo by @Youssefares in #9896
• Add Config.val_json_bytes by @josh-newman in #9770
• Add DSN for Snowflake by @aditkumar72 in #10128
• Support complex number by @changhc in #9654
• Add support for annotated_types.Not by @aditkumar72 in #10210
• Allow WithJsonSchema to inject $refs w/ http or https links by @dAIsySHEng1 in #9863
• Allow validators to customize validation JSON schema by @Viicos in #10094
• Support parametrized PathLike types by @nix010 in #9764
• Add tagged union serializer that attempts to use str or callable discriminators to select the correct serializer by @sydney-runkle in in pydantic/pydantic-core#1397

Changes

• Breaking Change: Merge dict type json_schema_extra by @sydney-runkle in #9792
  • For more info (how to replicate old behavior) on this change, see here
• Refactor annotation injection for known (often generic) types by @sydney-runkle in #9979
• Move annotation compatibility errors to validation phase by @sydney-runkle in #9999
• Improve runtime errors for string constraints like pattern for incompatible types by @sydney-runkle in #10158
• Remove 'allOf' JSON schema workarounds by @dpeachey in #10029
• Remove typed_dict_cls data from CoreMetadata by @sydney-runkle in #10180
• Deprecate passing a dict to the Examples class by @Viicos in #10181
• Remove initial_metadata from internal metadata construct by @sydney-runkle in #10194
• Use re.Pattern.search instead of re.Pattern.match for consistency with rust behavior by @tinez in pydantic/pydantic-core#1368
• Show value of wrongly typed data in pydantic-core serialization warning by @BoxyUwU in pydantic/pydantic-core#1377
• Breaking Change: in pydantic-core, change metadata type hint in core schemas from Any -> Dict[str, Any] | None by @sydney-runkle in pydantic/pydantic-core#1411
• Raise helpful warning when self isn't returned from model validator by @sydney-runkle in #10255

Performance

• Initial start at improving import times for modules, using caching primarily by @sydney-runkle in #10009
• Using cached internal import for BaseModel by @sydney-runkle in #10013
• Simplify internal generics logic - remove generator overhead by @sydney-runkle in #10059
• Remove default module globals from types namespace by @sydney-runkle in #10123
• Performance boost: skip caching parent namespaces in most cases by @sydney-runkle in #10113
• Update ns stack with already copied ns by @sydney-runkle in #10267

Minor Internal Improvements

• ⚡️ Speed up multiple_of_validator() by 31% in pydantic/_internal/_validators.py by @misrasaurabh1 in #9839
• ⚡️ Speed up ModelPrivateAttr.__set_name__() by 18% in pydantic/fields.py by @misrasaurabh1 in #9841
• ⚡️ Speed up dataclass() by 7% in pydantic/dataclasses.py by @misrasaurabh1 in #9843
• ⚡️ Speed up function _field_name_for_signature by 37% in pydantic/_internal/_signature.py by @misrasaurabh1 in #9951
• ⚡️ Speed up method GenerateSchema._unpack_refs_defs by 26% in pydantic/_internal/_generate_schema.py by @misrasaurabh1 in #9949
• ⚡️ Speed up function apply_each_item_validators by 100% in pydantic/_internal/_generate_schema.py by @misrasaurabh1 in #9950
• ⚡️ Speed up method ConfigWrapper.core_config by 28% in pydantic/_internal/_config.py by @misrasaurabh1 in #9953

Fixes

• Respect use_enum_values on Literal types by @kwint in #9787
• Prevent type error for exotic BaseModel/RootModel inheritance by @dmontagu in #9913
• Fix typing issue with field_validator-decorated methods by @dmontagu in #9914
• Replace str type annotation with Any in validator factories in documentation on validators by @maximilianfellhuber in #9885
• Fix ComputedFieldInfo.wrapped_property pointer when a property setter is assigned by @tlambert03 in #9892
• Fix recursive typing of main.IncEnx by @tlambert03 in #9924
• Allow usage of type[Annotated[...]] by @Viicos in #9932
• mypy plugin: handle frozen fields on a per-field basis by @dmontagu in #9935
• Fix typo in invalid-annotated-type error code by @sydney-runkle in #9948
• Simplify schema generation for uuid, url, and ip types by @sydney-runkle in #9975
• Move date schemas to _generate_schema.py by @sydney-runkle in #9976
• Move decimal.Decimal validation to _generate_schema.py by @sydney-runkle in #9977
• Simplify IP address schema in _std_types_schema.py by @sydney-runkle in #9959
• Fix type annotations for some potentially generic GenerateSchema.match_type options by @sydney-runkle in #9961
• Add class name to "has conflict" warnings by @msabramo in #9964
• Fix dataclass ignoring default_factory passed in Annotated by @kc0506 in #9971
• Fix Sequence ignoring discriminator by @kc0506 in #9980
• Fix typing for IPvAnyAddress and IPvAnyInterface by @haoyun in #9990
• Fix false positives on v1 models in mypy plugin for from_orm check requiring from_attributes=True config by @radekwlsk in #9938
• Apply strict=True to __init__ in mypy plugin by @kc0506 in #9998
• Refactor application of deque annotations by @sydney-runkle in #10018
• Raise a better user error when failing to evaluate a forward reference by @Viicos in #10030
• Fix evaluation of __pydantic_extra__ annotation in specific circumstances by @Viicos in #10070
• Fix frozen enforcement for dataclasses by @sydney-runkle in #10066
• Remove logic to handle unused __get_pydantic_core_schema__ signature by @Viicos in #10075
• Use is_annotated consistently by @Viicos in #10095
• Fix PydanticDeprecatedSince26 typo by @kc0506 in #10101
• Improve pyright tests, refactor model decorators signatures by @Viicos in #10092
• Fix ip serialization logic by @sydney-runkle in #10112
• Warn when frozen defin...

v2.9.0b2 (2024-08-30)

What's Changed

Packaging

• Bump pydantic-core to v2.23.1 and other minor version bumps by @sydney-runkle in #10269

Changes

• Raise helpful warning when self isn't returned from model validator by @sydney-runkle in #10255

Performance

• Update namespace stack with already copied namespace by @sydney-runkle in #10267

Fixes

• Fix new warnings assertions to use pytest.warns() by @mgorny in #10241
• Fix a crash when cleaning the namespace in ModelMetaclass by @Viicos in #10242
• Fix parent namespace issue with model rebuilds by @sydney-runkle in #10257
• Remove defaults filter for namespace by @sydney-runkle in #10261
• Use identity instead of equality after validating model in __init__ by @Viicos in #10264
• Support BigInt serialization for int subclasses by @kxx317 in pydantic/pydantic-core#1417

New Contributors

• @AdolfoVillalobos made their first contribution in #10240
• @bllchmbrs made their first contribution in #10270

v2.9.0b1 (2024-08-26)

What's Changed

Packaging

• Bump ruff to v0.5.0 and pyright to v1.1.369 by @sydney-runkle in #9801
• Bump pydantic-extra-types to v2.9.0 by @sydney-runkle in #9832
• Support compatibility with pdm v2.18.1 by @Viicos in #10138
• Bump pydantic-core to v2.23.0 by @sydney-runkle in #10180
• Bump v1 version stub to v1.10.18 by @sydney-runkle in #10214

New Features

• Add support for ZoneInfo by @Youssefares in #9896
• Add Config.val_json_bytes by @josh-newman in #9770
• Add DSN for Snowflake by @aditkumar72 in #10128
• Support complex number by @changhc in #9654
• Add support for annotated_types.Not by @aditkumar72 in #10210
• Allow WithJsonSchema to inject $refs w/ http or https links by @dAIsySHEng1 in #9863
• Allow validators to customize validation JSON schema by @Viicos in #10094
• Support parametrized PathLike types by @nix010 in #9764
• Add tagged union serializer that attempts to use str or callable discriminators to select the correct serializer by @sydney-runkle in in pydantic/pydantic-core#1397

Changes

• Breaking Change: Merge dict type json_schema_extra by @sydney-runkle in #9792
  • For more info (how to replicate old behavior) on this change, see here
• Refactor annotation injection for known (often generic) types by @sydney-runkle in #9979
• Move annotation compatibility errors to validation phase by @sydney-runkle in #9999
• Improve runtime errors for string constraints like pattern for incompatible types by @sydney-runkle in #10158
• Remove 'allOf' JSON schema workarounds by @dpeachey in #10029
• Remove typed_dict_cls data from CoreMetadata by @sydney-runkle in #10180
• Deprecate passing a dict to the Examples class by @Viicos in #10181
• Remove initial_metadata from internal metadata construct by @sydney-runkle in #10194
• Use re.Pattern.search instead of re.Pattern.match for consistency with rust behavior by @tinez in pydantic/pydantic-core#1368
• Show value of wrongly typed data in pydantic-core serialization warning by @BoxyUwU in pydantic/pydantic-core#1377
• Breaking Change: in pydantic-core, change metadata type hint in core schemas from Any -> Dict[str, Any] | None by @sydney-runkle in pydantic/pydantic-core#1411

Performance

• Initial start at improving import times for modules, using caching primarily by @sydney-runkle in #10009
• Using cached internal import for BaseModel by @sydney-runkle in #10013
• Simplify internal generics logic - remove generator overhead by @sydney-runkle in #10059
• Remove default module globals from types namespace by @sydney-runkle in #10123
• Performance boost: skip caching parent namespaces in most cases by @sydney-runkle in #10113

Minor Internal Improvements

• ⚡️ Speed up multiple_of_validator() by 31% in pydantic/_internal/_validators.py by @misrasaurabh1 in #9839
• ⚡️ Speed up ModelPrivateAttr.__set_name__() by 18% in pydantic/fields.py by @misrasaurabh1 in #9841
• ⚡️ Speed up dataclass() by 7% in pydantic/dataclasses.py by @misrasaurabh1 in #9843
• ⚡️ Speed up function _field_name_for_signature by 37% in pydantic/_internal/_signature.py by @misrasaurabh1 in #9951
• ⚡️ Speed up method GenerateSchema._unpack_refs_defs by 26% in pydantic/_internal/_generate_schema.py by @misrasaurabh1 in #9949
• ⚡️ Speed up function apply_each_item_validators by 100% in pydantic/_internal/_generate_schema.py by @misrasaurabh1 in #9950
• ⚡️ Speed up method ConfigWrapper.core_config by 28% in pydantic/_internal/_config.py by @misrasaurabh1 in #9953

Fixes

• Respect use_enum_values on Literal types by @kwint in #9787
• Prevent type error for exotic BaseModel/RootModel inheritance by @dmontagu in #9913
• Fix typing issue with field_validator-decorated methods by @dmontagu in #9914
• Replace str type annotation with Any in validator factories in documentation on validators by @maximilianfellhuber in #9885
• Fix ComputedFieldInfo.wrapped_property pointer when a property setter is assigned by @tlambert03 in #9892
• Fix recursive typing of main.IncEnx by @tlambert03 in #9924
• Allow usage of type[Annotated[...]] by @Viicos in #9932
• mypy plugin: handle frozen fields on a per-field basis by @dmontagu in #9935
• Fix typo in invalid-annotated-type error code by @sydney-runkle in #9948
• Simplify schema generation for uuid, url, and ip types by @sydney-runkle in #9975
• Move date schemas to _generate_schema.py by @sydney-runkle in #9976
• Move decimal.Decimal validation to _generate_schema.py by @sydney-runkle in #9977
• Simplify IP address schema in _std_types_schema.py by @sydney-runkle in #9959
• Fix type annotations for some potentially generic GenerateSchema.match_type options by @sydney-runkle in #9961
• Add class name to "has conflict" warnings by @msabramo in #9964
• Fix dataclass ignoring default_factory passed in Annotated by @kc0506 in #9971
• Fix Sequence ignoring discriminator by @kc0506 in #9980
• Fix typing for IPvAnyAddress and IPvAnyInterface by @haoyun in #9990
• Fix false positives on v1 models in mypy plugin for from_orm check requiring from_attributes=True config by @radekwlsk in #9938
• Apply strict=True to __init__ in mypy plugin by @kc0506 in #9998
• Refactor application of deque annotations by @sydney-runkle in #10018
• Raise a better user error when failing to evaluate a forward reference by @Viicos in #10030
• Fix evaluation of __pydantic_extra__ annotation in specific circumstances by @Viicos in #10070
• Fix frozen enforcement for dataclasses by @sydney-runkle in #10066
• Remove logic to handle unused __get_pydantic_core_schema__ signature by @Viicos in #10075
• Use is_annotated consistently by @Viicos in #10095
• Fix PydanticDeprecatedSince26 typo by @kc0506 in #10101
• Improve pyright tests, refactor model decorators signatures by @Viicos in #10092
• Fix ip serialization logic by @sydney-runkle in #10112
• Warn when frozen defined twice for dataclasses by @mochi22 in #10082
• Do not compute JSON Schema default when plain serializers are used with when_used set to 'json-unless-none' and the default value is None by @Viicos in #10121
• Fix ImportString special cases by @sydney-runkle in #10137
• Blacklist default globals to support ex...

v1.10.18 (2024-08-22)

What's Changed

Fixes

• Eval type fix in V1 by @sydney-runkle in #9751
• Add to_lower_camel to __all__ in utils.py by @sydney-runkle (direct commit)
• Fix mypy v1 plugin for mypy 1.11 release by @flaeppe in #10139
• Fix discriminator key used when discriminator has alias and .schema(by_alias=False) by @exs-dwoodward in #10146

New Contributors

• @flaeppe made their first contribution in #10139

Full Changelog: v1.10.17...v1.10.18

v2.8.2 (2024-07-03)

What's Changed

Fixes

• Fix issue with assertion caused by pluggable schema validator by @dmontagu in #9838

Full Changelog: v2.8.1...v2.8.2

v2.8.1 (2024-07-03)

What's Changed

Packaging

• Bump ruff to v0.5.0 and pyright to v1.1.369 by @sydney-runkle in #9801
• Bump pydantic-core to v2.20.1, pydantic-extra-types to v2.9.0 by @sydney-runkle in #9832

Fixes

• Fix breaking change in to_snake from v2.7 -> v2.8 by @sydney-runkle in #9812
• Fix list constraint json schema application by @sydney-runkle in #9818
• Support time duration more than 23 by @nix010 in pydantic/speedate#64
• Fix millisecond fraction being handled with the wrong scale by @davidhewitt in pydantic/speedate#65
• Handle negative fractional durations correctly by @sydney-runkle in pydantic/speedate#71

New Contributors

• @kwint made their first contribution in #9787
• @seekinginfiniteloop made their first contribution in #9822

Full Changelog: v2.8.0...v2.8.1

v2.8.0 (2024-07-01)

The code released in v2.8.0 is functionally identical to that of v2.8.0b1.

Check out our blog post to learn more about the release highlights!

What's Changed

Packaging

• Update citation version automatically with new releases by @sydney-runkle in #9673
• Bump pyright to v1.1.367 and add type checking tests for pipeline API by @adriangb in #9674
• Update pydantic.v1 stub to v1.10.17 by @sydney-runkle in #9707
• General package updates to prep for v2.8.0b1 by @sydney-runkle in #9741
• Bump pydantic-core to v2.20.0 by @sydney-runkle in #9745
• Add support for Python 3.13 by @sydney-runkle in #9743
• Update pdm version used for pdm.lock to v2.16.1 by @sydney-runkle in #9761
• Update to ruff v0.4.8 by @Viicos in #9585

New Features

• Experimental: support defer_build for TypeAdapter by @MarkusSintonen in #8939
• Implement deprecated field in json schema by @NeevCohen in #9298
• Experimental: Add pipeline API by @adriangb in #9459
• Add support for programmatic title generation by @NeevCohen in #9183
• Implement fail_fast feature by @uriyyo in #9708
• Add ser_json_inf_nan='strings' mode to produce valid JSON by @josh-newman in pydantic/pydantic-core#1307

Changes

• Add warning when "alias" is set in ignored Annotated field by @nix010 in #9170
• Support serialization of some serializable defaults in JSON schema by @sydney-runkle in #9624
• Relax type specification for __validators__ values in create_model by @sydney-runkle in #9697
• Breaking Change: Improve smart union matching logic by @sydney-runkle in pydantic/pydantic-core#1322
  You can read more about our smart union matching logic here. In some cases, if the old behavior
  is desired, you can switch to left-to-right mode and change the order of your Union members.

Performance

Internal Improvements

• ⚡️ Speed up _display_error_loc() by 25% in pydantic/v1/error_wrappers.py by @misrasaurabh1 in #9653
• ⚡️ Speed up _get_all_json_refs() by 34% in pydantic/json_schema.py by @misrasaurabh1 in #9650
• ⚡️ Speed up is_pydantic_dataclass() by 41% in pydantic/dataclasses.py by @misrasaurabh1 in #9652
• ⚡️ Speed up to_snake() by 27% in pydantic/alias_generators.py by @misrasaurabh1 in #9747
• ⚡️ Speed up unwrap_wrapped_function() by 93% in pydantic/_internal/_decorators.py by @misrasaurabh1 in #9727

Fixes

• Replace __spec__.parent with __package__ by @hramezani in #9331
• Fix Outputted Model JSON Schema for Sequence type by @anesmemisevic in #9303
• Fix typing of _frame_depth by @Viicos in #9353
• Make ImportString json schema compatible by @amitschang in #9344
• Hide private attributes (PrivateAttr) from __init__ signature in type checkers by @idan22moral in #9293
• Make detection of TypeVar defaults robust to the CPython PEP-696 implementation by @AlexWaygood in #9426
• Fix usage of PlainSerializer with builtin types by @Viicos in #9450
• Add more robust custom validation examples by @ChrisPappalardo in #9468
• Fix ignored strict specification for StringConstraint(strict=False) by @vbmendes in #9476
• Use Self where possible by @Viicos in #9479
• Do not alter RootModel.model_construct signature in the mypy plugin by @Viicos in #9480
• Fixed type hint of validation_context by @OhioDschungel6 in #9508
• Support context being passed to TypeAdapter's dump_json/dump_python by @alexcouper in #9495
• Updates type signature for Field() constructor by @bjmc in #9484
• Improve builtin alias generators by @sydney-runkle in #9561
• Fix typing of TypeAdapter by @Viicos in #9570
• Add fallback default value for private fields in __setstate__ of BaseModel by @anhpham1509 in #9584
• Support PEP 746 by @adriangb in #9587
• Allow validator and serializer functions to have default values by @Viicos in #9478
• Fix bug with mypy plugin's handling of covariant TypeVar fields by @dmontagu in #9606
• Fix multiple annotation / constraint application logic by @sydney-runkle in #9623
• Respect regex flags in validation and json schema by @sydney-runkle in #9591
• Fix type hint on IpvAnyAddress by @sydney-runkle in #9640
• Allow a field specifier on __pydantic_extra__ by @dmontagu in #9659
• Use normalized case for file path comparison by @sydney-runkle in #9737
• Modify constraint application logic to allow field constraints on Optional[Decimal] by @lazyhope in #9754
• validate_call type params fix by @sydney-runkle in #9760
• Check all warnings returned by pytest.warns() by @s-t-e-v-e-n-k in #9702
• Reuse re.Pattern object in regex patterns to allow for regex flags by @sydney-runkle in pydantic/pydantic-core#1318

New Contributors

• @idan22moral made their first contribution in #9294
• @anesmemisevic made their first contribution in #9303
• @max-muoto made their first contribution in #9338
• @amitschang made their first contribution in #9344
• @paulmartin91 made their first contribution in #9410
• @OhioDschungel6 made their first contribution in #9405
• @AlexWaygood made their first contribution in #9426
• @kinuax made their first contribution in #9433
• @antoni-jamiolkowski made their first contribution in #9431
• @candleindark made their first contribution in #9448
• @nix010 made their first contribution in #9170
• @tomy0000000 made their first contribution in #9457
• @vbmendes made their first contribution in #9470
• @micheleAlberto made their first contribution in #9471
• @ChrisPappalardo made their first contribution in #9468
• @blueTurtz made their first contribution in #9475
• @WinterBlue16 made their first contribution in #9477
• @bittner made their first contribution in #9500
• @alexcouper made their first contribution in #9495
• @bjmc made their first contribution in #9484
• @pjvv made their first contribution in #9529
• @nedbat made their first contribution in #9530
• @gunnellEvan made their first contribution in #9469
• @jaymbans made their first contribution in [#9531](https://github.com/pydantic/pydanti...

v2.8.0b1 (2024-06-27)

What's Changed

Packaging

• Update citation version automatically with new releases by @sydney-runkle in #9673
• Bump pyright to v1.1.367 and add type checking tests for pipeline API by @adriangb in #9674
• Update pydantic.v1 stub to v1.10.17 by @sydney-runkle in #9707
• General package updates to prep for v2.8.0b1 by @sydney-runkle in #9741
• Bump pydantic-core to v2.20.0 by @sydney-runkle in #9745
• Add support for Python 3.13 by @sydney-runkle in #9743
• Update pdm version used for pdm.lock to v2.16.1 by @sydney-runkle in #9761
• Update to ruff v0.4.8 by @Viicos in #9585

New Features

• Experimental: support defer_build for TypeAdapter by @MarkusSintonen in #8939
• Implement deprecated field in json schema by @NeevCohen in #9298
• Experimental: Add pipeline API by @adriangb in #9459
• Add support for programmatic title generation by @NeevCohen in #9183
• Implement fail_fast feature by @uriyyo in #9708
• Add ser_json_inf_nan='strings' mode to produce valid JSON by @josh-newman in pydantic/pydantic-core#1307

Changes

• Add warning when "alias" is set in ignored Annotated field by @nix010 in #9170
• Support serialization of some serializable defaults in JSON schema by @sydney-runkle in #9624
• Relax type specification for __validators__ values in create_model by @sydney-runkle in #9697
• Breaking Change: Improve smart union matching logic by @sydney-runkle in pydantic/pydantic-core#1322
  You can read more about our smart union matching logic here. In some cases, if the old behavior
  is desired, you can switch to left-to-right mode and change the order of your Union members.

Performance

Internal Improvements

• ⚡️ Speed up _display_error_loc() by 25% in pydantic/v1/error_wrappers.py by @misrasaurabh1 in #9653
• ⚡️ Speed up _get_all_json_refs() by 34% in pydantic/json_schema.py by @misrasaurabh1 in #9650
• ⚡️ Speed up is_pydantic_dataclass() by 41% in pydantic/dataclasses.py by @misrasaurabh1 in #9652
• ⚡️ Speed up to_snake() by 27% in pydantic/alias_generators.py by @misrasaurabh1 in #9747
• ⚡️ Speed up unwrap_wrapped_function() by 93% in pydantic/_internal/_decorators.py by @misrasaurabh1 in #9727

Fixes

• Replace __spec__.parent with __package__ by @hramezani in #9331
• Fix Outputted Model JSON Schema for Sequence type by @anesmemisevic in #9303
• Fix typing of _frame_depth by @Viicos in #9353
• Make ImportString json schema compatible by @amitschang in #9344
• Hide private attributes (PrivateAttr) from __init__ signature in type checkers by @idan22moral in #9293
• Make detection of TypeVar defaults robust to the CPython PEP-696 implementation by @AlexWaygood in #9426
• Fix usage of PlainSerializer with builtin types by @Viicos in #9450
• Add more robust custom validation examples by @ChrisPappalardo in #9468
• Fix ignored strict specification for StringConstraint(strict=False) by @vbmendes in #9476
• Use Self where possible by @Viicos in #9479
• Do not alter RootModel.model_construct signature in the mypy plugin by @Viicos in #9480
• Fixed type hint of validation_context by @OhioDschungel6 in #9508
• Support context being passed to TypeAdapter's dump_json/dump_python by @alexcouper in #9495
• Updates type signature for Field() constructor by @bjmc in #9484
• Improve builtin alias generators by @sydney-runkle in #9561
• Fix typing of TypeAdapter by @Viicos in #9570
• Add fallback default value for private fields in __setstate__ of BaseModel by @anhpham1509 in #9584
• Support PEP 746 by @adriangb in #9587
• Allow validator and serializer functions to have default values by @Viicos in #9478
• Fix bug with mypy plugin's handling of covariant TypeVar fields by @dmontagu in #9606
• Fix multiple annotation / constraint application logic by @sydney-runkle in #9623
• Respect regex flags in validation and json schema by @sydney-runkle in #9591
• Fix type hint on IpvAnyAddress by @sydney-runkle in #9640
• Allow a field specifier on __pydantic_extra__ by @dmontagu in #9659
• Use normalized case for file path comparison by @sydney-runkle in #9737
• Modify constraint application logic to allow field constraints on Optional[Decimal] by @lazyhope in #9754
• validate_call type params fix by @sydney-runkle in #9760
• Check all warnings returned by pytest.warns() by @s-t-e-v-e-n-k in #9702
• Reuse re.Pattern object in regex patterns to allow for regex flags by @sydney-runkle in pydantic/pydantic-core#1318

New Contributors

• @idan22moral made their first contribution in #9294
• @anesmemisevic made their first contribution in #9303
• @max-muoto made their first contribution in #9338
• @amitschang made their first contribution in #9344
• @paulmartin91 made their first contribution in #9410
• @OhioDschungel6 made their first contribution in #9405
• @AlexWaygood made their first contribution in #9426
• @kinuax made their first contribution in #9433
• @antoni-jamiolkowski made their first contribution in #9431
• @candleindark made their first contribution in #9448
• @nix010 made their first contribution in #9170
• @tomy0000000 made their first contribution in #9457
• @vbmendes made their first contribution in #9470
• @micheleAlberto made their first contribution in #9471
• @ChrisPappalardo made their first contribution in #9468
• @blueTurtz made their first contribution in #9475
• @WinterBlue16 made their first contribution in #9477
• @bittner made their first contribution in #9500
• @alexcouper made their first contribution in #9495
• @bjmc made their first contribution in #9484
• @pjvv made their first contribution in #9529
• @nedbat made their first contribution in #9530
• @gunnellEvan made their first contribution in #9469
• @jaymbans made their first contribution in #9531
• @MarcBresson made their first contribution in #9534
• @anhpham1509 made their first contribution in [#9584](https://github.com/pydantic/pydan...