: November 2025 saw the release of Python 3.15 Alpha 1 , signaling the start of the next development cycle focusing on further optimization and language refinement.

PEP 744 introduced a copy-and-patch JIT compiler in Python 3.13. November 2025’s release (3.14.1) activates by default on x86-64 and ARM64 architectures.

67% of top 1000 packages have published wheels for Python 3.14—up from 41% in October.