[GitHub release](https://github.com/pydantic/pydantic/releases/tag/v2.6.0)
The code released in v2.6.0 is practically identical to that of v2.6.0b1.
What's Changed
Packaging
* Check for `email-validator` version >= 2.0 by commonism in [6033](https://github.com/pydantic/pydantic/pull/6033)
* Upgrade `ruff`` target version to Python 3.8 by Elkiwa in [8341](https://github.com/pydantic/pydantic/pull/8341)
* Update to `pydantic-extra-types==2.4.1` by yezz123 in [8478](https://github.com/pydantic/pydantic/pull/8478)
* Update to `pyright==1.1.345` by Viicos in [8453](https://github.com/pydantic/pydantic/pull/8453)
* Update pydantic-core from 2.14.6 to 2.16.1, significant changes from these updates are described below, full changelog [here](https://github.com/pydantic/pydantic-core/compare/v2.14.6...v2.16.1)
New Features
* Add `NatsDsn` by ekeew in [6874](https://github.com/pydantic/pydantic/pull/6874)
* Add `ConfigDict.ser_json_inf_nan` by davidhewitt in [8159](https://github.com/pydantic/pydantic/pull/8159)
* Add `types.OnErrorOmit` by adriangb in [8222](https://github.com/pydantic/pydantic/pull/8222)
* Support `AliasGenerator` usage by sydney-runkle in [8282](https://github.com/pydantic/pydantic/pull/8282)
* Add Pydantic People Page to docs by sydney-runkle in [8345](https://github.com/pydantic/pydantic/pull/8345)
* Support `yyyy-MM-DD` datetime parsing by sydney-runkle in [8404](https://github.com/pydantic/pydantic/pull/8404)
* Added bits conversions to the `ByteSize` class 8415 by luca-matei in [8507](https://github.com/pydantic/pydantic/pull/8507)
* Enable json schema creation with type `ByteSize` by geospackle in [8537](https://github.com/pydantic/pydantic/pull/8537)
* Add `eval_type_backport` to handle union operator and builtin generic subscripting in older Pythons by alexmojaki in [8209](https://github.com/pydantic/pydantic/pull/8209)
* Add support for `dataclass` fields `init` by dmontagu in [8552](https://github.com/pydantic/pydantic/pull/8552)
* Implement pickling for `ValidationError` by davidhewitt in [pydantic/pydantic-core1119](https://github.com/pydantic/pydantic-core/pull/1119)
* Add unified tuple validator that can handle "variadic" tuples via PEP-646 by dmontagu in [pydantic/pydantic-core865](https://github.com/pydantic/pydantic-core/pull/865)
Changes
* Drop Python3.7 support by hramezani in [7188](https://github.com/pydantic/pydantic/pull/7188)
* Drop Python 3.7, and PyPy 3.7 and 3.8 by davidhewitt in [pydantic/pydantic-core1129](https://github.com/pydantic/pydantic-core/pull/1129)
* Use positional-only `self` in `BaseModel` constructor, so no field name can ever conflict with it by ariebovenberg in [8072](https://github.com/pydantic/pydantic/pull/8072)
* Make `validate_call` return a function instead of a custom descriptor - fixes binding issue with inheritance and adds `self/cls` argument to validation errors by alexmojaki in [8268](https://github.com/pydantic/pydantic/pull/8268)
* Exclude `BaseModel` docstring from JSON schema description by sydney-runkle in [8352](https://github.com/pydantic/pydantic/pull/8352)
* Introducing `classproperty` decorator for `model_computed_fields` by Jocelyn-Gas in [8437](https://github.com/pydantic/pydantic/pull/8437)
* Explicitly raise an error if field names clashes with types by Viicos in [8243](https://github.com/pydantic/pydantic/pull/8243)
* Use stricter serializer for unions of simple types by alexdrydew [pydantic/pydantic-core1132](https://github.com/pydantic/pydantic-core/pull/1132)
Performance
* Add Codspeed profiling Actions workflow by lambertsbennett in [8054](https://github.com/pydantic/pydantic/pull/8054)
* Improve `int` extraction by samuelcolvin in [pydantic/pydantic-core1155](https://github.com/pydantic/pydantic-core/pull/1155)
* Improve performance of recursion guard by samuelcolvin in [pydantic/pydantic-core1156](https://github.com/pydantic/pydantic-core/pull/1156)
* `dataclass` serialization speedups by samuelcolvin in [pydantic/pydantic-core1162](https://github.com/pydantic/pydantic-core/pull/1162)
* Avoid `HashMap` creation when looking up small JSON objects in `LazyIndexMaps` by samuelcolvin in [pydantic/jiter55](https://github.com/pydantic/jiter/pull/55)
* use hashbrown to speedup python string caching by davidhewitt in [pydantic/jiter51](https://github.com/pydantic/jiter/pull/51)
* Replace `Peak` with more efficient `Peek` by davidhewitt in [pydantic/jiter48](https://github.com/pydantic/jiter/pull/48)
Fixes
* Move `getattr` warning in deprecated `BaseConfig` by tlambert03 in [7183](https://github.com/pydantic/pydantic/pull/7183)
* Only hash `model_fields`, not whole `__dict__` by alexmojaki in [7786](https://github.com/pydantic/pydantic/pull/7786)
* Fix mishandling of unions while freezing types in the `mypy` plugin by dmontagu in [7411](https://github.com/pydantic/pydantic/pull/7411)
* Fix `mypy` error on untyped `ClassVar` by vincent-hachin-wmx in [8138](https://github.com/pydantic/pydantic/pull/8138)
* Only compare pydantic fields in `BaseModel.__eq__` instead of whole `__dict__` by QuentinSoubeyranAqemia in [7825](https://github.com/pydantic/pydantic/pull/7825)
* Update `strict` docstring in `model_validate` method. by LukeTonin in [8223](https://github.com/pydantic/pydantic/pull/8223)
* Fix overload position of `computed_field` by Viicos in [8227](https://github.com/pydantic/pydantic/pull/8227)
* Fix custom type type casting used in multiple attributes by ianhfc in [8066](https://github.com/pydantic/pydantic/pull/8066)
* Fix issue not allowing `validate_call` decorator to be dynamically assigned to a class method by jusexton in [8249](https://github.com/pydantic/pydantic/pull/8249)
* Fix issue `unittest.mock` deprecation warnings by ibleedicare in [8262](https://github.com/pydantic/pydantic/pull/8262)
* Added tests for the case `JsonValue` contains subclassed primitive values by jusexton in [8286](https://github.com/pydantic/pydantic/pull/8286)
* Fix `mypy` error on free before validator (classmethod) by sydney-runkle in [8285](https://github.com/pydantic/pydantic/pull/8285)
* Fix `to_snake` conversion by jevins09 in [8316](https://github.com/pydantic/pydantic/pull/8316)
* Fix type annotation of `ModelMetaclass.__prepare__` by slanzmich in [8305](https://github.com/pydantic/pydantic/pull/8305)
* Disallow `config` specification when initializing a `TypeAdapter` when the annotated type has config already by sydney-runkle in [8365](https://github.com/pydantic/pydantic/pull/8365)
* Fix a naming issue with JSON schema for generics parametrized by recursive type aliases by dmontagu in [8389](https://github.com/pydantic/pydantic/pull/8389)
* Fix type annotation in pydantic people script by shenxiangzhuang in [8402](https://github.com/pydantic/pydantic/pull/8402)
* Add support for field `alias` in `dataclass` signature by NeevCohen in [8387](https://github.com/pydantic/pydantic/pull/8387)
* Fix bug with schema generation with `Field(...)` in a forward ref by dmontagu in [8494](https://github.com/pydantic/pydantic/pull/8494)
* Fix ordering of keys in `__dict__` with `model_construct` call by sydney-runkle in [8500](https://github.com/pydantic/pydantic/pull/8500)
* Fix module `path_type` creation when globals does not contain `__name__` by hramezani in [8470](https://github.com/pydantic/pydantic/pull/8470)
* Fix for namespace issue with dataclasses with `from __future__ import annotations` by sydney-runkle in [8513](https://github.com/pydantic/pydantic/pull/8513)
* Fix: make function validator types positional-only by pmmmwh in [8479](https://github.com/pydantic/pydantic/pull/8479)
* Fix usage of `deprecated` by Viicos in [8294](https://github.com/pydantic/pydantic/pull/8294)
* Add more support for private attributes in `model_construct` call by sydney-runkle in [8525](https://github.com/pydantic/pydantic/pull/8525)
* Use a stack for the types namespace by dmontagu in [8378](https://github.com/pydantic/pydantic/pull/8378)
* Fix schema-building bug with `TypeAliasType` for types with refs by dmontagu in [8526](https://github.com/pydantic/pydantic/pull/8526)
* Support `pydantic.Field(repr=False)` in dataclasses by tigeryy2 in [8511](https://github.com/pydantic/pydantic/pull/8511)
* Override `dataclass_transform` behavior for `RootModel` by Viicos in [8163](https://github.com/pydantic/pydantic/pull/8163)
* Refactor signature generation for simplicity by sydney-runkle in [8572](https://github.com/pydantic/pydantic/pull/8572)
* Fix ordering bug of PlainValidator annotation by Anvil in [8567](https://github.com/pydantic/pydantic/pull/8567)
* Fix `exclude_none` for json serialization of `computed_field`s by sydney-runkle in [pydantic/pydantic-core1098](https://github.com/pydantic/pydantic-core/pull/1098)
* Support yyyy-MM-DD string for datetimes by sydney-runkle in [pydantic/pydantic-core1124](https://github.com/pydantic/pydantic-core/pull/1124)
* Tweak ordering of definitions in generated schemas by StrawHatDrag0n in [8583](https://github.com/pydantic/pydantic/pull/8583)
New Contributors
`pydantic`
* ekeew made their first contribution in [6874](https://github.com/pydantic/pydantic/pull/6874)
* lambertsbennett made their first contribution in [8054](https://github.com/pydantic/pydantic/pull/8054)
* vincent-hachin-wmx made their first contribution in [8138](https://github.com/pydantic/pydantic/pull/8138)
* QuentinSoubeyranAqemia made their first contribution in [7825](https://github.com/pydantic/pydantic/pull/7825)
* ariebovenberg made their first contribution in [8072](https://github.com/pydantic/pydantic/pull/8072)
* LukeTonin made their first contribution in [8223](https://github.com/pydantic/pydantic/pull/8223)
* denisart made their first contribution in [8231](https://github.com/pydantic/pydantic/pull/8231)
* ianhfc made their first contribution in [8066](https://github.com/pydantic/pydantic/pull/8066)
* eonu made their first contribution in [8255](https://github.com/pydantic/pydantic/pull/8255)
* amandahla made their first contribution in [8263](https://github.com/pydantic/pydantic/pull/8263)
* ibleedicare made their first contribution in [8262](https://github.com/pydantic/pydantic/pull/8262)
* jevins09 made their first contribution in [8316](https://github.com/pydantic/pydantic/pull/8316)
* cuu508 made their first contribution in [8322](https://github.com/pydantic/pydantic/pull/8322)
* slanzmich made their first contribution in [8305](https://github.com/pydantic/pydantic/pull/8305)
* jensenbox made their first contribution in [8331](https://github.com/pydantic/pydantic/pull/8331)
* szepeviktor made their first contribution in [8356](https://github.com/pydantic/pydantic/pull/8356)
* Elkiwa made their first contribution in [8341](https://github.com/pydantic/pydantic/pull/8341)
* parhamfh made their first contribution in [8395](https://github.com/pydantic/pydantic/pull/8395)
* shenxiangzhuang made their first contribution in [8402](https://github.com/pydantic/pydantic/pull/8402)
* NeevCohen made their first contribution in [8387](https://github.com/pydantic/pydantic/pull/8387)
* zby made their first contribution in [8497](https://github.com/pydantic/pydantic/pull/8497)
* patelnets made their first contribution in [8491](https://github.com/pydantic/pydantic/pull/8491)
* edwardwli made their first contribution in [8503](https://github.com/pydantic/pydantic/pull/8503)
* luca-matei made their first contribution in [8507](https://github.com/pydantic/pydantic/pull/8507)
* Jocelyn-Gas made their first contribution in [8437](https://github.com/pydantic/pydantic/pull/8437)
* bL34cHig0 made their first contribution in [8501](https://github.com/pydantic/pydantic/pull/8501)
* tigeryy2 made their first contribution in [8511](https://github.com/pydantic/pydantic/pull/8511)
* geospackle made their first contribution in [8537](https://github.com/pydantic/pydantic/pull/8537)
* Anvil made their first contribution in [8567](https://github.com/pydantic/pydantic/pull/8567)
* hungtsetse made their first contribution in [8546](https://github.com/pydantic/pydantic/pull/8546)
* StrawHatDrag0n made their first contribution in [8583](https://github.com/pydantic/pydantic/pull/8583)
`pydantic-core`
* mariuswinger made their first contribution in [pydantic/pydantic-core1087](https://github.com/pydantic/pydantic-core/pull/1087)
* adamchainz made their first contribution in [pydantic/pydantic-core1090](https://github.com/pydantic/pydantic-core/pull/1090)
* akx made their first contribution in [pydantic/pydantic-core1123](https://github.com/pydantic/pydantic-core/pull/1123)