In Python, a SyntaxError happens when the interpreter finds code that does not conform to the rules of the Python language.

Official support for free-threaded Python, an experimental JIT, and a smarter installation manager for Windows are among the goodies in Python 3.14. Now in a release candidate.

The / operator in Python 2 does integer division (a.k.a. "floor" division) when given integer arguments, not floating point division as you're expecting. That will change in Python 3.

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.