Some DB drivers ( psycopg2 binary wheels lagging; use psycopg[binary] or asyncpg ). Also, gevent and eventlet have partial free-threaded support.
Released in October 2024, Python 3.13 represented a pivotal moment in the language's history. Following the massive user-interface changes of Python 3.12 (which focused on error messages and parser improvements), version 3.13 turned its gaze inward, focusing on performance internals and runtime architecture. This paper analyzes the one-year impact of Python 3.13, specifically focusing on the graduation of the Just-In-Time (JIT) compiler from experimental to stable status, the initial steps toward a GIL-less future via PEP 703, and the removal of "dead batteries" (PEP 594). As we approach the release of Python 3.14, we evaluate whether Python 3.13 successfully bridged the gap between the interpreted dynamic language of the past and the high-performance powerhouse of the future. python 3.13 release news november 2025
By November 2025, the Python development team has kept a steady cadence of maintenance releases: Some DB drivers ( psycopg2 binary wheels lagging;
A lightweight JIT was added in 3.13, enabled via --enable-experimental-jit . By November 2025: Following the massive user-interface changes of Python 3
Perhaps the most ambitious undertaking was the introduction of the "free-threaded" build (often referred to as python3.13t ).
For the official changelog, see docs.python.org/3.13/whatsnew .