release notes

Author: wesm

RELEASE.rst

@@ -157,7 +157,8 @@ Release notes
 * Disabled `Index` objects from being hashable, like ndarrays
 * Added `__ne__` implementation to `Index` so that operations like ts[ts != idx]
   will work
-* Fixed bug / unintuitive result when calling `fillna` on unordered labels
+* Bug / unintuitive result when calling `fillna` on unordered labels
+* Bug calling `sum` on boolean DataFrame
 
 Thanks
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