Release News November 2025 |work| — Python 3.13

The 3.13 series is defined by three massive shifts that have spent the last year being tested by the community: PEP 719 – Python 3.13 Release Schedule

Earlier in the quarter, (October 14, 2025) addressed critical regressions, particularly in the SSL module that had caused blocking issues in earlier builds. python 3.13 release news november 2025

Vol. 45, No. 11, November 2025

| Feature | Status (Nov 2025) | |---------|-------------------| | Free-threaded (no-GIL) | ✅ Stable for pure Python; C extensions improving | | JIT compiler | ✅ Safe to enable; ~20% speedup on numeric code | | New type syntax | ✅ Fully supported by type checkers | | Removed 2to3 , cgi | ⚠️ Check your imports | | Ecosystem maturity | 🟢 90% of PyPI top 200 packages support 3.13 | 11, November 2025 | Feature | Status (Nov

: The experimental Just-In-Time (JIT) compiler (PEP 744) has begun to mature, laying the groundwork for Python to rival the speed of languages traditionally used for high-performance computing. 2025) addressed critical regressions