We’ve had a chance to discuss this internally with the right people. Our team believes in the value that nogil will provide, and we are committed to working collaboratively to improve Python for everyone. If PEP 703 is accepted, Meta can commit to support in the form of three engineer-years (from engineers experienced working in CPython internals) between the acceptance of PEP 703 and the end of 2025, to collaborate with the core dev team on landing the PEP 703 implementation smoothly in CPyth...
And whether PEP 703 is accepted will probably depend quite a lot on the result of this poll: https://discuss.python.org/t/poll-feedback-to-the-sc-on-making-cpython-free-threaded-and-pep-703/28540