CHANGES: document the is_reducible() speedup from
@@ -10,6 +10,9 @@ v1.5.1
will now contain two references to the same dictionary. (#255) (+332)
* Unit tests were added to ensure that sklearn.tree.DecisionTreeClassifier
objects are properly serialized. (#155) (+344)
+ * The ``is_reducible()`` utility function used by ``encode()`` was made
+ 4x faster! Objects that ``__getstate__`` and ``__setstate__``
+ implementations will benefit the most from these improvements. (+343)
v1.5.0
======
