Free-threading in mod_wsgi 6.0.0

The previous post in this series covered the new WSGIPerInterpreterGIL directive in mod_wsgi 6.0.0 and the PEP 684 per-interpreter GIL feature that landed in Python 3.12. This post is about its sibling, WSGIFreeThreading , which targets PEP 703 free-threaded Python builds. The two directives sit next to each other in the mod_wsgi configuration vocabulary and they both opt processes into a…