Hmm. Apparently version 5 of the pickle protocol (which is faster) isn't yet used by the multiprocessing module [1] even though it was mentioned as part of the

Hmm. Apparently version 5 of the pickle protocol (which is faster) isn't yet used by the multiprocessing module [1] even though it was mentioned as part of the rationale in PEP 574 [2]. [1] https://github.com/python/cpython/issues/89467 https://github.com/python/cpython/issues/89467 [2] https://peps.python.org/pep-0574/ https://peps.python.org/pep-0574/