Note: I like using em-dashes while writing! Don’t worry, this is not written by AI. (context) Earlier this month, two new Rust-based Python type checkers hit the spotlight: pyrefly and ty. Although neither is officially released, they are a welcome change to the Python type checking world, historically dominated by mypy and pylance. While both are open-source and publicly downloadable for quite some time, there have not been any official announcements by Meta nor Astral on their brand new next-g...