When Did Python 3.13 Come Out

: An experimental JIT compiler was added, providing a foundation for significant performance improvements in future versions.

Are you planning to or start a fresh installation of Python 3.13? What's New In Python 3.13 — Python 3.14.4 documentation when did python 3.13 come out

Python 3.13 was officially released on . A New Chapter for Python : An experimental JIT compiler was added, providing

That was it. That was the bullet that killed the payroll servers. A utility function, soft-deprecated in 3.13, then fully yanked in 3.15. The ancient 2.7 script had been patched with a band-aid that called the removed method. When the system upgraded automatically, the foundation crumbled. A New Chapter for Python That was it

While the official release date was in early October, here is the typical timeline for how Python versions are rolled out:

grep -i "3.13" /var/log/grendel/archive/*