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gh-109653: What's new: Note improved import times for several stdlib modules in Python 3.13 #118697

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May 7, 2024
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gh-109653: What's new: Note improved import times for several stdlib modules in Python 3.13 #118697

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gh-109653: What's new: Note improved import times for several stdlib …
AlexWaygood May 7, 2024
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AlexWaygood May 7, 2024
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9 changes: 9 additions & 0 deletions Doc/whatsnew/3.13.rst
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Expand Up @@ -999,6 +999,15 @@ Optimizations
section above for details.
(Contributed by Jakub Kulik in :gh:`113117`.)

* Several standard library modules have had their import times significantly
improved. For example, the import time of the :mod:`typing` module has been
reduced by around a third by removing dependencies on :mod:`re` and
:mod:`contextlib`. Other modules to enjoy import-time speedups include
:mod:`importlib.metadata`, :mod:`threading`, :mod:`enum`, :mod:`functools`
and :mod:`email.utils`.
(Contributed by Alex Waygood, Shantanu Jain, Adam Turner, Daniel Hollas and
others in :gh:`109653`.)

.. _whatsnew313-jit-compiler:

Experimental JIT Compiler
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