Rejoice! Gone are the long chains of if…else statements, because switch statements will soon be here — sort of. What the Python gods are actually giving us are match statements. match s… ...

The CPython interpreter in Python 3.14 can use a feature in C code that uses tail calls between functions. When compiled with a C compiler that supports these features, CPython runs slightly faster.

A new JIT compiler, the first no-GIL edition of Python, better errors and typing enhancement, and the removal of dead batteries are all part of Python 3.13.