v2.7.0b1 (2024-04-03)

What's Changed

Packaging

• Reorganize pyproject.toml sections by @Viicos in #8899
• Bump pydantic-core to v2.18.0 by @sydney-runkle in #9153
• Adopt jiter v0.2.0 by @samuelcolvin in pydantic/pydantic-core#1250

New Features

• Extract attribute docstrings from FieldInfo.description by @Viicos in #6563
• Add a with_config decorator to comply with typing spec by @Viicos in #8611
• Allow an optional separator splitting the value and unit of the result of ByteSize.human_readable by @jks15satoshi in #8706
• Add generic Secret base type by @conradogarciaberrotaran in #8519
• Make use of Sphinx inventories for cross references in docs by @Viicos in #8682
• Add environment variable to disable plugins by @geospackle in #8767
• Add support for deprecated fields by @Viicos in #8237
• Allow field_serializer('*') by @ornariece in #9001
• Handle a case when model_config is defined as a model property by @alexeyt101 in #9004
• Update create_model() to support typing.Annotated as input by @wannieman98 in #8947
• Add ClickhouseDsn support by @solidguy7 in #9062
• Add support for re.Pattern[str] to pattern field by @jag-k in #9053
• Support for serialize_as_any runtime setting by @sydney-runkle in #8830
• Add support for typing.Self by @Youssefares in #9023
• Ability to pass context to serialization by @ornariece in #8965
• Add feedback widget to docs with flarelytics integration by @sydney-runkle in #9129
• Support for parsing partial JSON strings in Python by @samuelcolvin in pydantic/jiter#66

Changes

• Correct docs, logic for model_construct behavior with extra by @sydney-runkle in #8807
• Improve error message for improper RootModel subclasses by @sydney-runkle in #8857
• Use PEP570 syntax by @Viicos in #8940
• Add enum and type to the JSON schema for single item literals by @dmontagu in #8944
• Deprecate update_json_schema internal function by @sydney-runkle in #9125
• Serialize duration to hour minute second, instead of just seconds by @kakilangit in pydantic/speedate#50
• Trimming str before parsing to int and float by @hungtsetse in pydantic/pydantic-core#1203

Performance

• enum validator improvements by @samuelcolvin in #9045
• Move enum validation and serialization to Rust by @samuelcolvin in #9064
• Improve schema generation for nested dataclasses by @sydney-runkle in #9114
• Fast path for ASCII python string creation in JSON by @samuelcolvin in in pydantic/jiter#72
• SIMD integer and string JSON parsing on aarch64(Note: SIMD on x86 will be implemented in a future release) by @samuelcolvin in in pydantic/jiter#65
• Support JSON Cow<str> from jiter by @davidhewitt in pydantic/pydantic-core#1231
• MAJOR performance improvement: update to PyO3 0.21 final by @davidhewitt in pydantic/pydantic-core#1248
• cache Python strings by @samuelcolvin in pydantic/pydantic-core#1240

Fixes

• Fix strict parsing for some Sequences by @sydney-runkle in #8614
• Add a check on the existence of __qualname__ by @anci3ntr0ck in #8642
• Handle __pydantic_extra__ annotation being a string or inherited by @alexmojaki in #8659
• Fix json validation for NameEmail by @Holi0317 in #8650
• Fix type-safety of attribute access in BaseModel by @bluenote10 in #8651
• Fix bug with mypy plugin and no_strict_optional = True by @dmontagu in #8666
• Fix ByteSize error type change by @sydney-runkle in #8681
• Fix inheriting annotations in dataclasses by @sydney-runkle in #8679
• Fix regression in core schema generation for indirect definition references by @dmontagu in #8702
• Fix unsupported types bug with plain validator by @sydney-runkle in #8710
• Reverting problematic fix from 2.6 release, fixing schema building bug by @sydney-runkle in #8718
• fixes __pydantic_config__ ignored for TypeDict by @13sin in #8734
• Fix test failures with pytest v8.0.0 due to pytest.warns() starting to work inside pytest.raises() by @mgorny in #8678
• Use is_valid_field from 1.x for mypy plugin by @DanielNoord in #8738
• Better-support mypy strict equality flag by @dmontagu in #8799
• model_json_schema export with Annotated types misses 'required' parameters by @LouisGobert in #8793
• Fix default inclusion in FieldInfo.__repr_args__ by @sydney-runkle in #8801
• Fix resolution of forward refs in dataclass base classes that are not present in the subclass module namespace by @matsjoyce-refeyn in #8751
• Fix BaseModel type annotations to be resolvable by typing.get_type_hints by @devmonkey22 in #7680
• Fix: allow empty string aliases with AliasGenerator by @sydney-runkle in #8810
• Fix test along with date -> datetime timezone assumption fix by @sydney-runkle in #8823
• Fix deprecation warning with usage of ast.Str by @Viicos in #8837
• Add missing deprecated decorators by @Viicos in #8877
• Fix serialization of NameEmail if name includes an email address by @NeevCohen in #8860
• Add information about class in error message of schema generation by @Czaki in #8917
• Make TypeAdapter's typing compatible with special forms by @adriangb in #8923
• Fix issue with config behavior being baked into the ref schema for enums by @dmontagu in #8920
• More helpful error re wrong model_json_schema usage by @sydney-runkle in #8928
• Fix nested discriminated union schema gen, pt 2 by @sydney-runkle in #8932
• Fix schema build for nested dataclasses / TypedDicts with discriminators by @sydney-runkle in #8950
• Remove unnecessary logic for definitions schema gen with discriminated unions by @sydney-runkle in #8951
• Fix handling of optionals in mypy plugin by @dmontagu in #9008
• Fix PlainSerializer usage with std type constructor by @sydney-runkle in #9031
• Remove unnecessary warning for config in plugin by @dmontagu in #9039
• Fix default value serializing by @NeevCohen in #9066
• Fix extra fields check in Model.__getattr__() by @NeevCohen in #9082
• Fix ClassVar forward ref inherited from parent class by @alexmojaki in #9097
• fix sequence like validator with strict True by @andresliszt in #8977
• Improve warning message when a field name shadows a field in a parent model by @chan-vince in #9105
• Do not warn about shadowed fields if they are not redefined in a child class by @chan-vince in #9111
• Fix discriminated union bug with unsubstituted type var by @sydney-runkle in #9124
• Support serialization of deque when passed to Sequence[blah blah blah] by @sydney-runkle in #9128
• Init private attributes from super-types in model_post_init by @Viicos in #9134
• fix model_construct with validation_alias by @ornariece in #9144
• Ensure json-schema generator handles Literal null types by @bruno-f-cruz in #9135

New Contributors

• @hungtsetse made their first contribution in #8546
• @StrawHatDrag0n made their first contribution in #8583
• @anci3ntr0ck made their first contribution in #8642
• @Holi0317 made their first contribution in #8650
• @bluenote10 made their first contribution in #8651
• @ADSteele916 made their first contribution in #8703
• @musicinmybrain made their first contribution in #8731
• @jks15satoshi made their first contribution in #8706
• @13sin made their first contribution in #8734
• @DanielNoord made their first contribution in #8738
• @conradogarciaberrotaran made their first contribution in #8519
• @chris-griffin made their first contribution in #8775
• @LouisGobert made their first contribution in #8793
• @matsjoyce-refeyn made their first contribution in #8751
• @devmonkey22 made their first contribution in #7680
• @adamency made their first contribution in #8847
• @MamfTheKramf made their first contribution in #8851
• @ornariece made their first contribution in #9001
• @alexeyt101 made their first contribution in #9004
• @wannieman98 made their first contribution in #8947
• @solidguy7 made their first contribution in #9062
• @kloczek made their first contribution in #9047
• @jag-k made their first contribution in #9053
• @priya-gitTest made their first contribution in #9088
• @Youssefares made their first contribution in #9023
• @chan-vince made their first contribution in #9105
• @bruno-f-cruz made their first contribution in #9135

Full Changelog: https://github.com/pydantic/pydantic/compare/v2.6.4...v2.7.0b1/