RMG v0.7.0 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 Netplay Session Browser dialog not resetting properly when requesting sessions fails
Fix freeze when opening the input configuration GUI from RMG-Input during netplay
Fix nickname validation not being consistent in the netplay dialogs
Fix downloading server list not having a timeout
Fix update check not having a timeout
Fix build failure when building with netplay disabled
Fix minimap in Mario Kart 64 not displaying properly during splitscreen in GLideN64 (see gonetz/GLideN64#2894)

Download: RMG v0.7.0
Source:Here