While there may be reasons to have entities ordered by module or visual structure (or whatever it is now), searching in a list of 333 entities is much easier when they are sorted and pressing a key jumps to the first entry with that letter.
This isn't a intention but missing ORDER BY statement in entity list query ;-).
Fixed in version 2.1.9. Download it here: http://www.orm-designer.com/download-orm-designer
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