The first Alpha version of 3.4.0 was released by the guys at Python.org on Saturday.
This is the first preview of the next major release.
Some key features/changes noted at release by python.org include:
Download and more information here - https://www.python.org/downloads/
We'll be including a quick preview of the new release at the end of our next public Python training course - running in London on November 25th 2013.
Please do get in touch to learn more.