The patch only fixes the game engine. The Digital Soundtrack is a separate DLC NSP file. You can install it alongside the update.
Updating to the latest NSP version is essential for several reasons: ENDER-LILIES-Quietus-of-the-Knights-NSP-UPDATE
Here’s a concise write-up for as you might post it on a forum or release site. The patch only fixes the game engine
Assuming you have a modded Switch with Atmosphere or SX OS, follow these steps: Updating to the latest NSP version is essential
: For those who have already seen one of the three endings, the update fully supports the New Game+ feature, allowing you to carry over your spirits and level into a much more challenging world.
. It blends the exploration of a Metroidvania with the punishing combat and atmospheric storytelling of a "Soulslike". The game follows Lily, a young priestess who awakens in a world devastated by the "Rain of Death," seeking to purify the Blighted and uncover the source of the curse. Major Update (Version 1.1.0 and beyond)