Yep, but not secret, it's the in-progress dataclass_transform draft spec, already implemented in (open source) Pyright, and Pylance re-uses Pyright, so it gets

Yep, but not secret, it's the in-progress dataclass_transform draft spec, already implemented in (open source) Pyright, and Pylance re-uses Pyright, so it gets that support. https://github.com/microsoft/pyright/blob/main/specs/dataclass_transforms.md https://github.com/microsoft/pyright/blob/main/specs/datacla...