version 1.12.3

[allmonday]

Overview

now dataclass is fully supported with all features

Updates:

• upgrade @ensure_subset and model_config to support dataclass
• for python versions greater than 3.8, in addition to Optional[T], you can now also use Union[T, None].
• for user of pydantic v2 and fastapi, model_config can be skipped because it internally support generating json schema in 'serialization' mode.

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This discussion was created from the release version 1.12.3.