RMG v0.8.7 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 drag and drop not working in the flatpak
Fix hotkeys dialog in RMG-Input not showing native face button names
Fix cheat dialog in RMG not allowing users to set cheat option since v0.7.2
Fix cheat codes not being cleared before trying to load another cheat in RMG-Core
Fix 'Auto-Configure' button being enabled when it should be disabled after configuring a button
Fix top row of UI elements in the configuration GUI of RMG-Input not being aligned properly
Add tooltips to the top row of UI elements in the configuration GUI of RMG-Input
Add 'Game Type' to the 'ROM Information' dialog

Download: RMG v0.8.7
Source:Here