Here is what the 3.0.0 update added to the game:

At its most basic level, a Title ID is a unique identification number assigned by Nintendo to every single piece of software on its platforms, including full games, updates, and downloadable content (DLC). Think of it as a digital fingerprint. You can think of it like a product’s unique model number or serial number. It ensures that the system knows exactly which application you're trying to launch or manage.

, the second and final part of "The Hidden Treasure of Area Zero" DLC. DLC Review: The Indigo Disk (v3.0.0) The Good: A Return to Form for Battles Significant Challenge

Which would you like? If you pick one, I’ll write a long, detailed narrative accordingly.