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