gh-116167: Allow disabling the GIL with `PYTHON_GIL=0` or `-X gil=0` by swtaarrs · Pull Request #116338 · python/cpython
github.com
In free-threaded builds, running with PYTHON_GIL=0 or -X gil=0 will now disable the GIL. #116322 and #116329 track follow-up work to re-enable the GIL when loading an incompatible extension, and to...

https://peps.python.org/pep-0703/