PEP 684 — A Per-Interpreter GIL
https://peps.python.org/pep-0684/

PEP 684, "Per-Interpreter GIL," has been accepted and is implemented in Python 3.12, meaning it is now a part of the language and can be used to create sub-interpreters with their own GILs, allowing for better multi-core utilization.

Python 3.12: Released on October 2, 2023, with bugfixes