RMG v0.6.1 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 vulkan video plugins crashing on second emulation run on some systems
Fix log dialog not showing a monospace font on windows
Remove settings dialog storing and restoring the window size
Add missing vsync option to angrylion-rdp-plus (see ata4/angrylion-rdp-plus#156)
Update imgui, mupen64plus-video-parallel, GLideN64 and SDL_GameControllerDB

Download: RMG v0.6.1
Source:Here