RMG v0.3.8 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 RMG not having the correct video size in some cases (i.e on a WM where resizing is not allowed to be done by an application)
Fix translations not working in GLideN64 (see gonetz/GLideN64#2764)
Add -n/--nogui commandline option
Add -d/--debug-messages commandline option
Add hotkeys for graphics, audio, RSP and input settings
Add hotkey for viewing the log
Add SIGINT and SIGTERM handling on linux
Add "Check For Updates" to "View" in the toolbar
Add information about LLE plugins in the settings dialog
Add support for toggling visibility of columns in the ROM browser list view (thank you @RetraCarteR)
Add date and time to the save state slot items in "Current Save State" menu in the menubar
Add date and time to the OSD when selecting a save state slot
Add failure messages to the OSD when loading/saving a save state fails
Improve updater behavior by checking for an update on startup with at least an hour in-between checks

Download: RMG v0.3.8
Source:Here