RMG v0.6.9 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 ROM browser storing multiple copies of the ROM information in memory
Fix game names in the Create Netplay Session dialog
Fix same CPU emulator setting being enforced during netplay
Fix VRU being able to be initialized during netplay (see mupen64plus/mupen64plus-core#1105)
Fix enter key not clicking on the 'Send' button in the Netplay Session dialog
Fix vsync being able to be enabled during netplay
Fix 'Synchronize audio' in RMG-Audio being able to be enabled during netplay
Fix OSD tab of GLideN64 not listing all installed fonts on Linux (see gonetz/GLideN64#2892)
Add more error messages to the netplay dialogs
Add loading screen to the Netplay Session Browser dialog
Add no sessions screen to the Netplay Session Browser dialog
Add no ROMs screen to the Create Netplay Session dialog
Change default ROM search limit from 250 to 1024
Change 'Server URL' to 'Server list URL' in the settings dialog

Download: RMG v0.6.9
Source:Here