docs/whatsnew: Mention OrderedDict C implementation

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Yury Selivanov 2015-05-30 10:49:09 -04:00
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commit 5844436adf
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@ -97,6 +97,10 @@ Implementation improvements:
Significantly Improved Library Modules:
* :class:`collections.OrderedDict` is now implemented in C, which improves
its performance between 4x to 100x times. Contributed by Eric Snow in
:issue:`16991`.
* You may now pass bytes to the :mod:`tempfile` module's APIs and it will
return the temporary pathname as bytes instead of str. It also accepts
a value of ``None`` on parameters where only str was accepted in the past to