Pyrefly and Ty are so new they still smell like shrinkwrap, but we still took them both out for a spin. We also have a ...

Pyrefly is not the first Python type-checking tool from Meta. Previously, the company delivered Pyre, written in OCaml. Pyre ...

We recommend that all developers upgrade to Python 3.8 and newer as soon as they can. Support for Python 3.7 will be removed from this library after January 1 2024. Previous releases that support ...