Python 2 may be reaching end of life, but old Python 2 code will remain around for years to come.

The End of Life (EOL) deadline for Python 2 arrived with the new year, and the CPython core development community is urging users to migrate to Python 3 as soon as possible.

An experimental ‘no-GIL’ build mode in Python 3.13 disables the Global Interpreter Lock to enable true parallel execution in Python. Here’s where to start.