Python Release 3.13.1 November 2025 Updated ✦ Latest & Best

References

If you rely on low‑level numeric code, benchmark the critical paths before and after the upgrade (e.g., using perf or pyperf ). Most workloads see a modest speed‑up, but a few edge cases may need minor adjustments because of the updated garbage collector. python release 3.13.1 november 2025