updated the docs

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402304

docs/docs/release_notes.xml

@@ -18,6 +18,9 @@ Non-Backwards Compatible Changes:
 Bug fixes:
 
 Other:
+   - Made the types generated by the matrix operations a lot shorter.  This
+     avoids some compiler warnings from visual studio and even some potential
+     internal compiler errors in some instances.
 
 </current>