If you are a developer looking to build a plugin.nro , you will need the Skyline development environment.
A plugin.nro file is a specialized Nintendo Switch homebrew executable used to inject custom code into a retail game. These files are almost exclusively associated with the framework, which allows mods to run alongside the original game code (most commonly for Super Smash Bros. Ultimate ). 🛠️ Common Usage & Installation plugin.nro
It enables tools like ReverseNX , which tricks the Switch into thinking it is in "Docked Mode" while handheld, or vice-versa, to improve visual clarity. If you are a developer looking to build a plugin
The Switch operating system (Horizon) natively uses .nro files for application modules (like the eShop or Album app). The homebrew community repurposed this format because the system already knows how to load and execute it. Ultimate )
menu_item_t menu_items[] = "My New Feature", my_new_feature, NULL, // ... other items ;