kapynDev Tools

Cloudflare Python Workers are now generally available

Cloudflare Python Workers are now generally available, letting developers run Python on the Workers platform. The rollout uses Pyodide to compile Python to WebAssembly inside Cloudflare’s V8‑based workerd runtime, but disables multiprocessing and threading. A local dev tool, pywrangler (packaged as workers‑py), simulates the full stack for testing.

Simon Willison·Sep 21, 2026

Opening Kapyn…