In my time playing, and in the news leading up to Dawntrail, there's 3 big "wants" I have begun to have.
First, let's begin with the "Contacts" portion as this can be purely narrowed down to something SE could take advantage of - if they want. With the addition of Glasses being added as a glamour-only spot, my first and only thought has been on Elpis's eyes. While I will not elaborate to avoid spoilers, but the eyes there are truly unique, and one in specific was remarkably similar to one I wished to put on my own character when I first started out, but blue instead of a more potent purple. Making contact lenses would be great for all players for any unique eyes anyone would want, as long as they're dyeable or affected by eye color, or preferably both. I am without a doubt hoping these would be obtainable in-game however, in this hypothetical where we do in fact get these. Cash shop only should be a last resort, even if it means locking them or the crafting materials to make them behind maps. Merely a wish to see them on my character for many a glamour.
Secondly, Coils, or rather Coils of Bahamut. This is one I expect to happen eventually after recent mentions from Yoshida himself during the Fanfests, but Coils as a piece of content is extremely limited. The vast majority of players I have encountered have never done Coils, had a friend unsync it with them to experience the amazing story, or if they have done it themselves, it was via unsyncing much later by the time they had hit endgame. The latter being, sadly, the case I fell in. The wish then: Make Coils a raid series capable of being queued for in Normal Raid Roulette while still maintaining several key elements. I have no idea how the old fights or Savage would be handled, but still. It's a wish nonetheless.
Lastly, the most ambitious, least likely and pipe-dream of the three... a complete English reubbing of the entirety of A Realm Reborn. Not just the base experience, though it'd probably start like this, but the entirety of the patches and even aforementioned Coils thanks to its voicework too. Some of this, like with Louisoix, would be able to be reused, but others however, such as the Scions, Cid, Gaius... even random NPC's if given the chance, all of it would go yalms and malms towards easing the new player experience. While I will not be harsh here as I don't know the circumstances and know ARR was put together with love and care, and even know some of these voice actors put their hearts and souls into the performances, some of the performances cannot be described as anything more than "ear-grating" or "nothing." Because of all of this, I just wish, even if many years down the line in a hypothetical 14.0, this happens one day.
This is an open thread and I'm very curious to see how this evolves. I thank anyone for reading this initial post through to the end, and I humbly request the replies to this be civil and attempt to be positive. Have a wonderful day!