the armoire is extremely arbitrary...

[Naunet]

New items won't go in until a patch.

And this needs to change. Squeenix needs to implement content fully functional with their game systems.

They are working on it

That doesn't actually say anything about implementing vanity holiday items as already store-able in the armoire instead of waiting months down the line to flag them as such.

[Felis]

And this needs to change. Squeenix needs to implement content fully functional with their game systems.

They are working on it

From the 2.1 patch note:

We are aware of the armoire's limited capacity, and plan to introduce new methods of expanding storage space on an ongoing basis.