diff --git a/dist/changes-5.13.0 b/dist/changes-5.13.0
new file mode 100644
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+****************************************************************************
+*                 Important Source Incompatible Changes                    *
+****************************************************************************
+
+ - Moc generated files include the standard <memory> header file now.
+   A side effect of this is that code including the Moc output from within
+   a namespace will fail to compile.