issue #3460: PyUnicode_Join() implementation can be simplified in py3k
diff --git a/Misc/NEWS b/Misc/NEWS
index 1e22f70..25c72df 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,10 @@
   If you need to access the UTF-8 representation of a Unicode object
   as bytes string, please use PyUnicode_AsUTF8String() instead.
 
+- Issue #3460: PyUnicode_Join() implementation is 10% to 80% faster thanks
+  to Python 3.0's stricter semantics which allow to avoid successive
+  reallocations of the result string (this also affects str.join()).
+
 
 Library
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