Python development is done in public so you can just benchmark against the development version to see its improvement. In fact, daily benchmarks are already pos

Python development is done in public so you can just benchmark against the development version to see its improvement. In fact, daily benchmarks are already posted to [1]; it indicates around 20% improvement (corresponding to 1.25x in the table) since 3.10. The only thing you can't easily verify is that whether GIL was indeed historically necessary in the past. [1] https://github.com/faster-cpython/benchmarking-public https://github.com/faster-cpython/benchmarking-public