The latest version of Python is sweet as pi and packs a punch. ... How to use template strings in Python 3.14 ... Two new Rust-powered Python type-checking tools compared. Jun 25, 2025 5 mins.

Pyrefly. Pyrefly is not the first Python type-checking tool from Meta. Previously, the company delivered Pyre, written in OCaml.Pyre has since been retired; Pyrefly, written from scratch in Rust ...