RMG v0.3.2 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 ndd/d64 files in zip files not working when the disk file is inside a subdirectory inside the zip file
Fix ndd/d64 files in zip files not working correctly on windows
Fix controller image in RMG-Input sometimes being stuck when having a trigger bound to a button
Fix trigger mapping in RMG-Input
Remove "Invert Axis Mapped To LRZ" setting in RMG-Input
Add "Sort Results After Search" ROM Browser setting

Download: RMG v0.3.2
Source:Here