21CTO
21CTO
Oct 9, 2025 · Fundamentals

What’s New in Python 3.14? Free Threading, JIT, and More

Python 3.14 introduces free threading via PEP 703, optional interpreters that boost performance by 3‑5%, experimental JIT compilation, template string literals, multi‑interpreter support, enhanced debugging, Zstandard compression, and new CLI tools, while noting compatibility and performance trade‑offs.

3.14Free ThreadingJIT
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What’s New in Python 3.14? Free Threading, JIT, and More