RMG v0.5.8 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 incorrect usage of cmake's GNUInstallDirs (thank you @OPNA2608)
Fix opening zipped ROMs when compiling with minizip-ng instead of minizip
Fix RMG with paraLLEl crashing in mesa when using musl libc (thank you @orbea and @nekopsykose)
Update GLideN64, parallel-rsp and SDL_GameControllerDB

Download: RMG v0.5.8
Source:Here