Python 3.13 Release November 2025 News Upd

: An initial Just-In-Time (JIT) compiler (PEP 744) was introduced to lay the groundwork for significant long-term performance gains.

: Continuing the cleanup of the standard library (PEP 594), several legacy modules like telnetlib , cgi , and pipes have been removed. What's New In Python 3.13 — Python 3.14.4 documentation python 3.13 release november 2025 news

: The new REPL, based on PyPy's technology, features multi-line editing , color support, and interactive help without needing parentheses (e.g., just type exit instead of exit() ). : An initial Just-In-Time (JIT) compiler (PEP 744)

: Leading indentation is now automatically stripped from docstrings, which reduces memory usage and the size of .pyc files. : Leading indentation is now automatically stripped from

: Python 3.13 officially elevated iOS and Android to Tier 3 supported platforms , marking a major step for mobile Python development. Language & Standard Library Updates

Most pure-Python code will run unchanged. However, projects using removed modules should migrate to email or requests . The JIT is – test thoroughly.