It looks like Nintendo is about to release a software update for The Legend of Zelda: Majora’s Mask 3D. If you have a European Nintendo 3DS connected to the internet, you might get a prompt asking you to download a software update for the game. We got that notification, so we can confirm the info is legitimate. Unfortunately, we have no way to know what this update might do, except fixing some of the glitches in the game, or when it might be released.
No doubt we should be hearing about this update straight from Nintendo really soon. In the mean time, here’s photos confirming the update does exist: