I checked it over a few times (there's a simple html file that creates a side-by-side view of the old documentation at the old link and the new documentation at the new link for each redirection pair ...

There are a number of HTML files that were moved between the Python 2.7 and Python 3 documentation websites (because some libraries were moved, renamed and removed). The documentation for Python 2.7 ...

A faster interpreter, more intelligible errors, more powerful type hints, and a slew of other speedups and tweaks are now ready to try out. The Python programming language releases new versions yearly ...

Official support for free-threaded Python, and free-threaded improvements Python’s free-threaded build promises true parallelism for threads in Python programs by removing the Global Interpreter Lock ...