Originally Posted by
Rowde
Welp... to keep playing devil's advocate. While shifting canals might be 4.x content, any drops that can be sold on the MB would have to be "2.x" content, which would be a possible explanation for that. I actually went back and looked at some old patch notes too, and this seems to be the case.
In fact, more direct on these notes, where it says "New Chocobo barding added" and shows Suzaku barding, that is marked as "2.x" content. So while the Suzaku fight itself is 4.x content, the crafted barding can be sold and bought on the MB by all players so it has to be 2.x content.