Python 3.13.3 Released April 2025 May 2026

Have you already tried Python 3.13.3? Share your experience below.

Docker images are also available: python:3.13.3-slim Test your existing projects with 3.13.3 using tox or nox — maintenance releases rarely break code, but the JIT compiler improvements in 3.13 (introduced in .0) continue to mature. Verdict: Smooth, safe upgrade. Run pip list --outdated afterward to refresh compiled extensions. python 3.13.3 released april 2025