The "Update" portion of the NSP (Nintendo Submission Package) typically refers to , which introduced significant features and technical fixes to the Nintendo eShop version of Chained Echoes .
While there is no academic "paper" officially titled "Chained Echoes Switch NSP Update," the most relevant "proper" documentation for this specific software package consists of the and technical file specifications . 1. Official Patch Notes (Version 1.2+) Chained Echoes Switch NSP [Update] (eShop)
Let me know which you need to narrow this down! Chained Echoes update to add New Game+, more The "Update" portion of the NSP (Nintendo Submission
The from the most recent 2025/2026 patches. Official Patch Notes (Version 1
If you are looking for documentation regarding the (often linked to First Press Games), there is ongoing legal documentation as the developer, Matthias Linda, has terminated that partnership due to delivery failures. The digital eShop (NSP) version remains the most up-to-date and supported version. If you're interested, I can provide: