M+GUI v1.6.0 (r5161) 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 v1.6.0 (r5161) changelog:
r5161
* update to SVN r30884. * updated pgui CN, TW lang.
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r5159
1.6.0 beta1 added scale effects values (2xBRZ, 3xBRZ) updated for mame 0.154 updated all lang
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Download: M+GUI v1.6.0 (r5161)
Source: Here