M+GUI v1.5.9 is compiled. M+GUI new GUI is a stand alone front-end, with similar functionality and interface as MAMEUI.Currently available for Windows and Linux/x11 platforms. M+GUI can automatically download ROMs from FTPs, moreover, it merely downloads the missing roms inside a zip file, resulting a much lower bandwidth consumption.

M+GUI currently supports the following MAME builds: MAME, MESS, SDLMAME, SDLMESS, MAMEPlus

M+GUI v1.5.9 changelog:
- Fixed buffer overflow (temporary fix)

Download: M+GUI v1.5.9
Source: Here