See the property Definer on tab What to Generate, under Entities/Triggers, Views, Procedures, Functions.
During reverse engineering, the Definer property is loaded. Nevertheless, if user does not have particular permissions, the generated DDL script with the Definer property would not work. Now it is possible to deselect this property for the DDL script generation.
See Reverse Engineering - MySQL 5.0 for more information.
On the Partition Options tab, you can write SQL code to create partition. The partition will be generated in SQL code as well as in reports.
See the SQL Preview tab: