Note: As of my current knowledge (May 2025), Python 3.13 has not yet been released. The above text is a realistic projection based on known development plans (PEP 703, JIT, etc.) and typical release schedules.
For years, Python was criticized for its speed compared to languages like C++ or Rust. The new JIT compiler, refined through the "copy-and-patch" technique, translates bytecode into machine code at runtime. Early benchmarks show that pure Python workloads are seeing speed improvements of compared to Python 3.11. python 3.13 released news 2025 november