Python | 313 Release Notes Verified
Released on October 7, 2024, Python 3.13 introduces major performance-focused, experimental features including a Free-Threaded (No-GIL) mode and a preliminary JIT compiler. Key updates also include an improved, colorized interactive REPL, enhanced error messages, official mobile support for iOS/Android, and the removal of deprecated modules. For the full release notes, visit the official Python documentation Python documentation AI responses may include mistakes. Learn more What's New In Python 3.13 — Python 3.14.4 documentation
Compatibility and upgrade guidance
1. The Interactive Interpreter: A Verified Game-Changer
# Compile from source: ./configure --disable-gil make ./python -c "import sys; print(sys._is_gil_enabled())" # False python 313 release notes verified
3. Free-Threaded CPython (No-GIL): Verified, Experimental
typing.TypeVar default support
– You can now specify a default type for a TypeVar : Released on October 7, 2024, Python 3