Add what's new for text vectorizer enhancement
@@ -213,6 +213,10 @@ Enhancements
passing a range of bytes to :func:`datasets.load_svmlight_file`.
:issue:`935` by :user:`Olivier Grisel <ogrisel>`.
+ - Small performance improvement to n-gram creation in
+ :mod:`feature_extraction.text` by binding methods for loops and
+ special-casing unigrams. :issue:`7567` by `Jaye Doepke <jtdoepke>`
+
Bug fixes
.........
