InfoQ

Google Adopts Pyrefly for Faster, More Accurate Python Type Checking

Google has replaced its long-standing Python type checker, Pytype, with Pyrefly, an open-source tool originally developed by Meta. The decision was driven by Pyrefly's advantages, including faster and ...

NumPy 2.5 eig returns complex numbers even for real matrices—the release note's workaround loses the imaginary part

The NumPy 2.5.0 release notes state that the return values of eig and eigvals will always be complex, and that ...

Identifying standard library APIs removed in Python 3.15 from your code using AST—502 public name differences and a comparison with ruff, pyupgrade, and ver…

Python 3.15.0 was released on October 9, 2026. The "Removed" section of the official "What's New in Python 3.15" document ...