Python 3.8.13 

Python 3.10.0a6 

Python 3.9.2 

Python 3.8.8 

Python 3.9.2rc1 

Python 3.8.8rc1 

Python 3.7.10 

Python 3.6.13 

Python 3.10.0a5 

the end of the 2.7 branch