It looks like you're looking for a blog post about the (likely with a typo for "NSPrar work" – which I assume refers to NSP or XCZ file compatibility, or emulator performance on Ryujinx/Ryujinx (NSP) and Yuzu ).
To be helpful, I’ll write a that assumes a fictional major update (“Version 1.1.1”) for a fan-conceived game called Super Mario Party Jamboree , explaining what such an update might include, how NSP/RAR distribution works in homebrew contexts, and whether it’s legitimate or risky. supermariopartyjamboreeupdate111nsprar work
If you’re running Super Mario Party Jamboree as an (Nintendo Submission Package) file on a modded Switch or PC emulator ( Ryujinx / Yuzu ), here’s the current state: It looks like you're looking for a blog
If you have downloaded the .nsp file for this update, follow these instructions based on your setup: supermariopartyjamboreeupdate111nsprar work