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Really pleasing to see how smooth the non-GIL transition was. If you think about 2->3 python this was positively glorious.

And that it gets into spitting range of standard so fast is really promising too. That hopefully means the part not compatible with it get flushed out soon-ish

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AFAIU GIL is still the default, and no-GIL is a build option, you can't select it at runtime.

The big issue is what about all those C extension modules, some of them might require a lot of changes to work properly in a no-GIL world.

> Free-threaded builds of CPython support optionally running with the GIL enabled at runtime using the environment variable `PYTHON_GIL` or the command-line option `-X gil`.

https://docs.python.org/3/howto/free-threading-python.html

it still has GIL, likely a few more versions until we get rid of it

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