We've discussed a bit how the Arcade Redux came along, and concluded (sort of) that several parts of it are already in the game, but never were really labelled as part of it. We're still finding that quite a few big elements are missing, though. I overheard earlier in game that there was supposed to be a big announcement soon, spoiled by Aphrodite somewhere in the forums a few weeks back; I don't read too much stuffs here, perhaps some of you have seen it?
Anywho, yes, Arcade Redux updates PLEASE. Those who remember are dying to know more about it, and how it's coming along.

It said several patches, and then divided into three part. At least one of them is in (in my opinion):
A place where players can farm materials and items in between missions