RMG v0.2.4 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 Discord Rich Presence breaking when opening the settings dialog
Fix install update window not showing
Fix 'Limit FPS' not working with new RMG-Audio (this disables the 'synchronize audio' option)
Implement support for Japanese characters in the ROM header
Implement dynamic buffer sizes in the ROM browser cache (this reduces the ROM browser cache size)
Add more cheats from Gent

Download: RMG v0.2.4
Source:Here