Python 3.13 Release Notes 2025 |verified| -

The Python Software Foundation has officially released . While usually incremental updates focus on small quality-of-life improvements, 3.13 is a landmark release. It lays the groundwork for the future of Python performance with experimental features that could finally break the Global Interpreter Lock (GIL).

If you use Python in the terminal, 3.13 is a game-changer. The default REPL has been completely overhauled. python 3.13 release notes 2025

The dataclasses module has been extended with new features, including support for immutability, ordering, and comparisons. These additions simplify the process of creating classes that primarily hold data. The Python Software Foundation has officially released

This brings Python’s pattern matching close to Rust/Elixir levels of expressiveness. including support for immutability