Sphinx plugin to make easier-to-navigate class documentation

I'm writing to share a Sphinx plugin I wrote, which I think makes the documentation for large classes much easier to navigate and understand.  The plugin is called `autoclasstoc` and you can find the documentation here: https://autoclasstoc.readthedocs.io/en/latest/ I wrote this plugin

[RELEASE] Python 3.9.0b1 is now available for testing

On behalf of the entire Python development community, and the currently serving Python release team in particular, I’m pleased to announce the release of Python 3.9.0b1. Get it here: https://www.python.org/downloads/release/python-390b1/