Per-interpreter GIL in mod_wsgi 6.0.0

mod_wsgi 6.0.0 is currently available as a release candidate. You can install it from PyPI, or grab the source from the GitHub releases page. There is a significant amount of code cleanup behind this release, alongside a range of new features and operator-facing improvements that have been overdue for some time. Rather than describe everything in one post, I am going to work through the headline…