MapleStory Chaos: Profession Recipe Guide

This is correct. Check for slots if you want potential items. Of course, class specific items still cannot be potentialed, like Dragon Equips and Mechanic Equips.

Does this mean that you can find these new: belts/pendants/shoulder pads/rings/face acc/ as normal drops from mobs?
And that these drops may have slots while their crafted counterparts do not have slots?