RMG v0.2.2 is released. Rosalie's Mupen GUI is a free and open-source mupen64plus GUI written in C++. It offers a simple-to-use user interface.

RMG changelog:
Fix trivial resampler not being available in RMG-Audio
Fix save games/states showing up in multiple patched ROMs based on the same game (mupen64plus/mupen64plus-core#979)

Download: RMG v0.2.2
Source:Here