changelog

CHANGES.rst

@@ -34,6 +34,11 @@ Features added
   are automatically mapped to the equivalent keys/values/items methods in Python 3
   for typed dictionaries.
 
+* 2-value slicing of unknown objects passes the correct slice when the ``getitem``
+  protocol is used instead of the ``getslice`` protocol (especially in Python 3),
+  i.e. ``None`` values for missing bounds instead of ``[0,maxsize]``.  It is also
+  a bit faster in some cases, e.g. for constant bounds.  This fixes trac ticket 636.
+
 * Slicing unicode strings, lists and tuples is faster.
 
 * list.append() is faster on average.