M Rkb-(usa)-nswtch-nsp-update190-ziperto.rar May 2026

If you are looking for the "features" included in this specific RAR file, they are the official additions made by Nintendo in the v1.9.0 patch:

Enhanced the performance of certain items and adjusted the invincibility time for specific characters. Added the ability to play "Custom Items" in more modes. Various bug fixes for online play stability. Important Technical Context M RKB-(USA)-NSwTcH-NSP-UPDATE190-Ziperto.rar

: Added Petey Piranha , Wiggler , and Kamek as playable racers. If you are looking for the "features" included