Pydantic Versions Save

What's Changed

• Update install.md by @dmontagu in https://github.com/pydantic/pydantic/pull/7690
• Fix ci to only deploy docs on release by @sydney-runkle in https://github.com/pydantic/pydantic/pull/7740
• Ubuntu fixes for V1 by @sydney-runkle in https://github.com/pydantic/pydantic/pull/8540 and https://github.com/pydantic/pydantic/pull/8587
• Fix cached_property handling in dataclasses when copied by @rdbisme in https://github.com/pydantic/pydantic/pull/8407

New Contributors

• @rdbisme made their first contribution in https://github.com/pydantic/pydantic/pull/8407

Full Changelog: https://github.com/pydantic/pydantic/compare/v1.10.13...v1.10.14

v2.5.3 (2023-12-22)

GitHub release

What's Changed

Packaging

• uprev pydantic-core to 2.14.6

Fixes

• Fix memory leak with recursive definitions creating reference cycles by @davidhewitt in pydantic/pydantic-core#1125

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.5.2...v2.5.3/

v2.5.2 (2023-11-22)

GitHub release

What's Changed

Packaging

• uprev pydantic-core to 2.14.5

New Features

• Add ConfigDict.ser_json_inf_nan by @davidhewitt in #8159

Fixes

• Fix validation of Literal from JSON keys when used as dict key by @sydney-runkle in pydantic/pydantic-core#1075
• Fix bug re custom_init on members of Union by @sydney-runkle in pydantic/pydantic-core#1076
• Fix JsonValue bool serialization by @sydney-runkle in #8190
• Fix handling of unhashable inputs with Literal in Unions by @sydney-runkle in pydantic/pydantic-core#1089

https://github.com/pydantic/pydantic/compare/v2.5.1...v2.5.2/

v2.5.1 (2023-11-15)

GitHub release

What's Changed

Packaging

• uprev pydantic-core to 2.14.3 by @samuelcolvin in #8120

Fixes

• Fix package description limit by @dmontagu in #8097
• Fix ValidateCallWrapper error when creating a model which has a @validate_call wrapped field annotation by @sydney-runkle in #8110

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.5.0...v2.5.1/

v2.5.0 (2023-11-13)

GitHub release

The code released in v2.5.0 is functionally identical to that of v2.5.0b1.

What's Changed

Packaging

• Update pydantic-core from 2.10.1 to 2.14.1, significant changes from these updates are described below, full changelog here
• Update to pyright==1.1.335 by @Viicos in #8075

New Features

• Allow plugins to catch non ValidationError errors by @adriangb in #7806
• Support __doc__ argument in create_model() by @chris-spann in #7863
• Expose regex_engine flag - meaning you can use with the Rust or Python regex libraries in constraints by @utkini in #7768
• Save return type generated from type annotation in ComputedFieldInfo by @alexmojaki in #7889
• Adopting ruff formatter by @Luca-Blight in #7930
• Added validation_error_cause to config by @zakstucke in #7626
• Make path of the item to validate available in plugin by @hramezani in #7861
• Add CallableDiscriminator and Tag by @dmontagu in #7983
  • CallableDiscriminator renamed to Discriminator by @dmontagu in #8047
• Make union case tags affect union error messages by @dmontagu in #8001
• Add examples and json_schema_extra to @computed_field by @alexmojaki in #8013
• Add JsonValue type by @dmontagu in #7998
• Allow str as argument to Discriminator by @dmontagu in #8047
• Add SchemaSerializer.__reduce__ method to enable pickle serialization by @edoakes in pydantic/pydantic-core#1006

Changes

• Significant Change: replace ultra_strict with new smart union implementation, the way unions are validated has changed significantly to improve performance and correctness, we have worked hard to absolutely minimise the number of cases where behaviour has changed, see the PR for details - by @davidhewitt in pydantic/pydantic-core#867
• Add support for instance method reassignment when extra='allow' by @sydney-runkle in #7683
• Support JSON schema generation for Enum types with no cases by @sydney-runkle in #7927
• Warn if a class inherits from Generic before BaseModel by @alexmojaki in #7891

Performance

• New custom JSON parser, jiter by @samuelcolvin in pydantic/pydantic-core#974
• PGO build for MacOS M1 by @samuelcolvin in pydantic/pydantic-core#1063
• Use __getattr__ for all package imports, improve import time by @samuelcolvin in #7947

Fixes

• Fix mypy issue with subclasses of RootModel by @sydney-runkle in #7677
• Properly rebuild the FieldInfo when a forward ref gets evaluated by @dmontagu in #7698
• Fix failure to load SecretStr from JSON (regression in v2.4) by @sydney-runkle in #7729
• Fix defer_build behavior with TypeAdapter by @sydney-runkle in #7736
• Improve compatibility with legacy mypy versions by @dmontagu in #7742
• Fix: update TypeVar handling when default is not set by @pmmmwh in #7719
• Support specification of strict on Enum type fields by @sydney-runkle in #7761
• Wrap weakref.ref instead of subclassing to fix cloudpickle serialization by @edoakes in #7780
• Keep values of private attributes set within model_post_init in subclasses by @alexmojaki in #7775
• Add more specific type for non-callable json_schema_extra by @alexmojaki in #7803
• Raise an error when deleting frozen (model) fields by @alexmojaki in #7800
• Fix schema sorting bug with default values by @sydney-runkle in #7817
• Use generated alias for aliases that are not specified otherwise by @alexmojaki in #7802
• Support strict specification for UUID types by @sydney-runkle in #7865
• JSON schema: fix extra parameter handling by @me-and in #7810
• Fix: support pydantic.Field(kw_only=True) with inherited dataclasses by @PrettyWood in #7827
• Support validate_call decorator for methods in classes with __slots__ by @sydney-runkle in #7883
• Fix pydantic dataclass problem with dataclasses.field default by @hramezani in #7898
• Fix schema generation for generics with union type bounds by @sydney-runkle in #7899
• Fix version for importlib_metadata on python 3.7 by @sydney-runkle in #7904
• Support | operator (Union) in PydanticRecursiveRef by @alexmojaki in #7892
• Fix display_as_type for TypeAliasType in python 3.12 by @dmontagu in #7929
• Add support for NotRequired generics in TypedDict by @sydney-runkle in #7932
• Make generic TypeAliasType specifications produce different schema definitions by @alexdrydew in #7893
• Added fix for signature of inherited dataclass by @howsunjow in #7925
• Make the model name generation more robust in JSON schema by @joakimnordling in #7881
• Fix plurals in validation error messages (in tests) by @Iipin in #7972
• PrivateAttr is passed from Annotated default position by @tabassco in #8004
• Don't decode bytes (which may not be UTF8) when displaying SecretBytes by @alexmojaki in #8012
• Use classmethod instead of classmethod[Any, Any, Any] by @Mr-Pepe in #7979
• Clearer error on invalid Plugin by @samuelcolvin in #8023
• Correct pydantic dataclasses import by @samuelcolvin in #8027
• Fix misbehavior for models referencing redefined type aliases by @dmontagu in #8050
• Fix Optional field with validate_default only performing one field validation by @sydney-runkle in pydantic/pydantic-core#1002
• Fix definition-ref bug with Dict keys by @sydney-runkle in pydantic/pydantic-core#1014
• Fix bug allowing validation of bool types with coerce_numbers_to_str=True by @sydney-runkle in pydantic/pydantic-core#1017
• Don't accept NaN in float and decimal constraints by @davidhewitt in pydantic/pydantic-core#1037
• Add lax_str and lax_int support for enum values not inherited from str/int by @michaelhly in pydantic/pydantic-core#1015
• Support subclasses in lists in Union of List types by @sydney-runkle in pydantic/pydantic-core#1039
• Allow validation against max_digits and decimals to pass if normalized or non-normalized input is valid by @sydney-runkle in pydantic/pydantic-core#1049
• Fix: proper pluralization in ValidationError messages by @Iipin in pydantic/pydantic-core#1050
• Disallow the string '-' as datetime input by @davidhewitt in pydantic/speedate#52 & pydantic/pydantic-core#1060
• Fix: NaN and Inf float serialization by @davidhewitt in pydantic/pydantic-core#1062
• Restore manylinux-compatible PGO builds by @davidhewitt in pydantic/pydantic-core#1068

New Contributors

pydantic

• @schneebuzz made their first contribution in #7699
• @edoakes made their first contribution in #7780
• @alexmojaki made their first contribution in #7775
• @NickG123 made their first contribution in #7751
• @gowthamgts made their first contribution in #7830
• @jamesbraza made their first contribution in #7848
• @laundmo made their first contribution in #7850
• @rahmatnazali made their first contribution in #7870
• @waterfountain1996 made their first contribution in #7878
• @chris-spann made their first contribution in #7863
• @me-and made their first contribution in #7810
• @utkini made their first contribution in #7768
• @bn-l made their first contribution in #7744
• @alexdrydew made their first contribution in #7893
• @Luca-Blight made their first contribution in #7930
• @howsunjow made their first contribution in #7925
• @joakimnordling made their first contribution in #7881
• @icfly2 made their first contribution in #7976
• @Yummy-Yums made their first contribution in #8003
• @Iipin made their first contribution in #7972
• @tabassco made their first contribution in #8004
• @Mr-Pepe made their first contribution in #7979
• @0x00cl made their first contribution in #8010
• @barraponto made their first contribution in #8032

pydantic-core

• @sisp made their first contribution in pydantic/pydantic-core#995
• @michaelhly made their first contribution in pydantic/pydantic-core#1015

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.4.2...v2.5.0

What's Changed

Packaging

• Update pydantic-core from 2.10.1 to 2.14.1, significant changes from these updates are described below, full changelog here

New Features

• Allow plugins to catch non ValidationError errors by @adriangb in #7806
• Support __doc__ argument in create_model() by @chris-spann in #7863
• Expose regex_engine flag - meaning you can use with the Rust or Python regex libraries in constraints by @utkini in #7768
• Save return type generated from type annotation in ComputedFieldInfo by @alexmojaki in #7889
• Adopting ruff formatter by @Luca-Blight in #7930
• Added validation_error_cause to config by @zakstucke in #7626
• Make path of the item to validate available in plugin by @hramezani in #7861
• Add CallableDiscriminator and Tag by @dmontagu in #7983
• Make union case tags affect union error messages by @dmontagu in #8001
• Add examples and json_schema_extra to @computed_field by @alexmojaki in #8013
• Add JsonValue type by @dmontagu in #7998
• Allow str as argument to Discriminator by @dmontagu in #8047
• Add SchemaSerializer.__reduce__ method to enable pickle serialization by @edoakes in pydantic/pydantic-core#1006

Changes

• Significant Change: replace ultra_strict with new smart union implementation, the way unions are validated has changed significantly to improve performance and correctness, we have worked hard to absolutely minimise the number of cases where behaviour has changed, see the PR for details - by @davidhewitt in pydantic/pydantic-core#867
• Add support for instance method reassignment when extra='allow' by @sydney-runkle in #7683
• Support JSON schema generation for Enum types with no cases by @sydney-runkle in #7927
• Warn if a class inherits from Generic before BaseModel by @alexmojaki in #7891

Performance

• New custom JSON parser, jiter by @samuelcolvin in pydantic/pydantic-core#974
• PGO build for MacOS M1 by @samuelcolvin in pydantic/pydantic-core#1063
• Use __getattr__ for all package imports, improve import time by @samuelcolvin in #7947

Fixes

• Fix mypy issue with subclasses of RootModel by @sydney-runkle in #7677
• Properly rebuild the FieldInfo when a forward ref gets evaluated by @dmontagu in #7698
• Fix failure to load SecretStr from JSON (regression in v2.4) by @sydney-runkle in #7729
• Fix defer_build behavior with TypeAdapter by @sydney-runkle in #7736
• Improve compatibility with legacy mypy versions by @dmontagu in #7742
• Fix: update TypeVar handling when default is not set by @pmmmwh in #7719
• Support specification of strict on Enum type fields by @sydney-runkle in #7761
• Wrap weakref.ref instead of subclassing to fix cloudpickle serialization by @edoakes in #7780
• Keep values of private attributes set within model_post_init in subclasses by @alexmojaki in #7775
• Add more specific type for non-callable json_schema_extra by @alexmojaki in #7803
• Raise an error when deleting frozen (model) fields by @alexmojaki in #7800
• Fix schema sorting bug with default values by @sydney-runkle in #7817
• Use generated alias for aliases that are not specified otherwise by @alexmojaki in #7802
• Support strict specification for UUID types by @sydney-runkle in #7865
• JSON schema: fix extra parameter handling by @me-and in #7810
• Fix: support pydantic.Field(kw_only=True) with inherited dataclasses by @PrettyWood in #7827
• Support validate_call decorator for methods in classes with __slots__ by @sydney-runkle in #7883
• Fix pydantic dataclass problem with dataclasses.field default by @hramezani in #7898
• Fix schema generation for generics with union type bounds by @sydney-runkle in #7899
• Fix version for importlib_metadata on python 3.7 by @sydney-runkle in #7904
• Support | operator (Union) in PydanticRecursiveRef by @alexmojaki in #7892
• Fix display_as_type for TypeAliasType in python 3.12 by @dmontagu in #7929
• Add support for NotRequired generics in TypedDict by @sydney-runkle in #7932
• Make generic TypeAliasType specifications produce different schema definitions by @alexdrydew in #7893
• Added fix for signature of inherited dataclass by @howsunjow in #7925
• Make the model name generation more robust in JSON schema by @joakimnordling in #7881
• Fix plurals in validation error messages (in tests) by @Iipin in #7972
• PrivateAttr is passed from Annotated default position by @tabassco in #8004
• Don't decode bytes (which may not be UTF8) when displaying SecretBytes by @alexmojaki in #8012
• Use classmethod instead of classmethod[Any, Any, Any] by @Mr-Pepe in #7979
• Clearer error on invalid Plugin by @samuelcolvin in #8023
• Correct pydantic dataclasses import by @samuelcolvin in #8027
• Fix misbehavior for models referencing redefined type aliases by @dmontagu in #8050
• Fix Optional field with validate_default only performing one field validation by @sydney-runkle in pydantic/pydantic-core#1002
• Fix definition-ref bug with Dict keys by @sydney-runkle in pydantic/pydantic-core#1014
• Fix bug allowing validation of bool types with coerce_numbers_to_str=True by @sydney-runkle in pydantic/pydantic-core#1017
• Don't accept NaN in float and decimal constraints by @davidhewitt in pydantic/pydantic-core#1037
• Add lax_str and lax_int support for enum values not inherited from str/int by @michaelhly in pydantic/pydantic-core#1015
• Support subclasses in lists in Union of List types by @sydney-runkle in pydantic/pydantic-core#1039
• Allow validation against max_digits and decimals to pass if normalized or non-normalized input is valid by @sydney-runkle in pydantic/pydantic-core#1049
• Fix: proper pluralization in ValidationError messages by @Iipin in pydantic/pydantic-core#1050
• Disallow the string '-' as datetime input by @davidhewitt in pydantic/speedate#52 & pydantic/pydantic-core#1060
• Fix: NaN and Inf float serialization by @davidhewitt in pydantic/pydantic-core#1062
• Restore manylinux-compatible PGO builds by @davidhewitt in pydantic/pydantic-core#1068

New Contributors

pydantic

• @schneebuzz made their first contribution in #7699
• @edoakes made their first contribution in #7780
• @alexmojaki made their first contribution in #7775
• @NickG123 made their first contribution in #7751
• @gowthamgts made their first contribution in #7830
• @jamesbraza made their first contribution in #7848
• @laundmo made their first contribution in #7850
• @rahmatnazali made their first contribution in #7870
• @waterfountain1996 made their first contribution in #7878
• @chris-spann made their first contribution in #7863
• @me-and made their first contribution in #7810
• @utkini made their first contribution in #7768
• @bn-l made their first contribution in #7744
• @alexdrydew made their first contribution in #7893
• @Luca-Blight made their first contribution in #7930
• @howsunjow made their first contribution in #7925
• @joakimnordling made their first contribution in #7881
• @icfly2 made their first contribution in #7976
• @Yummy-Yums made their first contribution in #8003
• @Iipin made their first contribution in #7972
• @tabassco made their first contribution in #8004
• @Mr-Pepe made their first contribution in #7979
• @0x00cl made their first contribution in #8010
• @barraponto made their first contribution in #8032

pydantic-core

• @sisp made their first contribution in pydantic/pydantic-core#995
• @michaelhly made their first contribution in pydantic/pydantic-core#1015

Full changelog: Full Changelog: https://github.com/pydantic/pydantic/compare/v2.4.2...v2.5.0b1/

What's Changed

Fixes

• Fix bug with JSON schema for sequence of discriminated union by @dmontagu in #7647
• Fix schema references in discriminated unions by @adriangb in #7646
• Fix json schema generation for recursive models by @adriangb in #7653
• Fix models_json_schema for generic models by @adriangb in #7654
• Fix xfailed test for generic model signatures by @adriangb in #7658

New Contributors

• @austinorr made their first contribution in #7657
• @peterHoburg made their first contribution in #7670

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.4.1...v2.4.2/

What's Changed

• Update pip commands to install 1.10 by @chbndrhnns in https://github.com/pydantic/pydantic/pull/6930
• Make the v1 mypy plugin work with both v1 and v2 by @dmontagu in https://github.com/pydantic/pydantic/pull/6920
• [Backport] Add max length check to validate_email by @hramezani in https://github.com/pydantic/pydantic/pull/7673

Full Changelog: https://github.com/pydantic/pydantic/compare/v1.10.12...v1.10.13

What's Changed

Packaging

• Update pydantic-core to 2.10.1 by @davidhewitt in #7633

Fixes

• Serialize unsubstituted type vars as Any by @adriangb in #7606
• Remove schema building caches by @adriangb in #7624
• Fix an issue where JSON schema extras weren't JSON encoded by @dmontagu in #7625

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.4.0...v2.4.1/

What's Changed

Packaging

• Update pydantic-core to 2.10.0 by @samuelcolvin in #7542

New Features

• Add Base64Url types by @dmontagu in #7286
• Implement optional number to str coercion by @lig in #7508
• Allow access to field_name and data in all validators if there is data and a field name by @samuelcolvin in #7542
• Add BaseModel.model_validate_strings and TypeAdapter.validate_strings by @hramezani in #7552
• Add Pydantic plugins experimental implementation by @lig @samuelcolvin and @Kludex in #6820

Changes

• Do not override model_post_init in subclass with private attrs by @Viicos in #7302
• Make fields with defaults not required in the serialization schema by default by @dmontagu in #7275
• Mark Extra as deprecated by @disrupted in #7299
• Make EncodedStr a dataclass by @Kludex in #7396
• Move annotated_handlers to be public by @samuelcolvin in #7569

Performance

• Simplify flattening and inlining of CoreSchema by @adriangb in #7523
• Remove unused copies in CoreSchema walking by @adriangb in #7528
• Add caches for collecting definitions and invalid schemas from a CoreSchema by @adriangb in #7527
• Eagerly resolve discriminated unions and cache cases where we can't by @adriangb in #7529
• Replace dict.get and dict.setdefault with more verbose versions in CoreSchema building hot paths by @adriangb in #7536
• Cache invalid CoreSchema discovery by @adriangb in #7535
• Allow disabling CoreSchema validation for faster startup times by @adriangb in #7565

Fixes

• Fix config detection for TypedDict from grandparent classes by @dmontagu in #7272
• Fix hash function generation for frozen models with unusual MRO by @dmontagu in #7274
• Make strict config overridable in field for Path by @hramezani in #7281
• Use ser_json_<timedelta|bytes> on default in GenerateJsonSchema by @Kludex in #7269
• Adding a check that alias is validated as an identifier for Python by @andree0 in #7319
• Raise an error when computed field overrides field by @sydney-runkle in #7346
• Fix applying SkipValidation to referenced schemas by @adriangb in #7381
• Enforce behavior of private attributes having double leading underscore by @lig in #7265
• Standardize __get_pydantic_core_schema__ signature by @hramezani in #7415
• Fix generic dataclass fields mutation bug (when using TypeAdapter) by @sydney-runkle in #7435
• Fix TypeError on model_validator in wrap mode by @pmmmwh in #7496
• Improve enum error message by @hramezani in #7506
• Make repr work for instances that failed initialization when handling ValidationErrors by @dmontagu in #7439
• Fixed a regular expression denial of service issue by limiting whitespaces by @prodigysml in #7360
• Fix handling of UUID values having UUID.version=None by @lig in #7566
• Fix __iter__ returning private cached_property info by @sydney-runkle in #7570
• Improvements to version info message by @samuelcolvin in #7594

New Contributors

• @15498th made their first contribution in #7238
• @GabrielCappelli made their first contribution in #7213
• @tobni made their first contribution in #7184
• @redruin1 made their first contribution in #7282
• @FacerAin made their first contribution in #7288
• @acdha made their first contribution in #7297
• @andree0 made their first contribution in #7319
• @gordonhart made their first contribution in #7375
• @pmmmwh made their first contribution in #7496
• @disrupted made their first contribution in #7299
• @prodigysml made their first contribution in #7360

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.3.0...v2.4.0