There will be a thread like this discussing the next deployment (to cover 2026-2027) - the thread will start in late summer, there's no real info before then.
AIS shows her going on a sea trial May 7 - assume she'll back to the yard for a few more weeks of work after that before delivery. Sometimes the app shows pre-delivery trips, though nothing for her yet.
On paper the other couple would be split across two cabins and when one of them tries to buy the beverage package the planner would want them to buy for both in the cabin (one of you). On board it will likely be the same issue (with the higher on board cost) -getting an extra key is not the same as actually moving them to a cabin together.