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| -rw-r--r-- | Doc/whatsnew/3.5.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.5.rst b/Doc/whatsnew/3.5.rst index 0abdc3ff1c..10a9a2b32f 100644 --- a/Doc/whatsnew/3.5.rst +++ b/Doc/whatsnew/3.5.rst @@ -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 |