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-rw-r--r--Doc/whatsnew/3.7.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst
index 8f09621..e303dfd 100644
--- a/Doc/whatsnew/3.7.rst
+++ b/Doc/whatsnew/3.7.rst
@@ -138,6 +138,11 @@ Optimizations
in method calls being faster up to 20%. (Contributed by Yury Selivanov and
INADA Naoki in :issue:`26110`.)
+* Searching some unlucky Unicode characters (like Ukrainian capital "Є")
+ in a string was to 25 times slower than searching other characters.
+ Now it is slower only by 3 times in worst case.
+ (Contributed by Serhiy Storchaka in :issue:`24821`.)
+
* Fast implementation from standard C library is now used for functions
:func:`~math.tgamma`, :func:`~math.lgamma`, :func:`~math.erf` and
:func:`~math.erfc` in the :mod:`math` module. (Contributed by Serhiy