PyPy, an alternative runtime for Python, uses a specially created JIT compiler to yield potentially massive speedups over CPython, the conventional Python runtime. But PyPy’s exemplary performance has ...

Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

Python 3.14 was the star of the show in 2025, bringing official support for free-threaded builds, a new all-in-one installation manager for Windows, and subtler perks like the new template strings ...