The latest versions of thé python is Python 3.10 which was released on October 2021
Here are the major releases of Python along with their release dates:
Python 1.0 - January 1994
Python 2.0 - October 2000
Python 2.7 - July 2010
Python 3.0 - December 2008
Python 3.4 - March 2014
Python 3.5 - September 2015
Python 3.6 - December 2016
Python 3.7 - June 2018
Python 3.8 - October 2019
Python 3.9 - October 2020
Python 3.10 - October 2021