Above all, it's much more usable now, especially with 3.10 around the corner: - you can use list[] instead of typing.List[]. Same for dicts or sets. - you wil

Above all, it's much more usable now, especially with 3.10 around the corner: - you can use list[] instead of typing.List[]. Same for dicts or sets. - you will be able to use bool | str instead of typing.Union[bool, str] - mypy has saner default, is better supported by IDE and is way faster - a lot of edge cases are now covered, including protocols for duck typing, vartype, etc. - fantastic libs such as pydantic, fastapi and typer make using them a ton of fun