oops. i am also on the same cruise as you. arriving today. I reached mbcc at 3.45pm, swab test had 1 zone full waiting for results. check in also no queue. but when onboard, all the shows for the day are fully booked. only booked lumiere the next day.
my neighbour managed to get 3 consecutive rooms booked. i asked her how she manage to get 3 rooms side by side. she say she went 6th floor reception to request for room change. so all the 3 rooms balcony partition are opened up. no charge for that request.
Enquired on the earn and redeem voucher redemption for TP earned. only valid for 30 days. The ship is fully booked in january, no point redemption as the redemption for spa, free wifi premium and f&b voucher valid for 30 days only.