M1.XML 20111027 is released. M1.XML file for use with M1 - keeping up with changes in MAME. M1 plays the music from arcade games by running the code in the original ROMs (not supplied). This allows entirely authentic playback of classic video game tunes while you work.

M1.XML 20111027 Changelog:
Added:
Alpha Mission II / ASO II - Last Guardian (prototype) to the Neo Geo driver.
Burning Fight (prototype) to the Neo Geo driver.
Choutetsu Brikin'ger - Iron clad (Prototype) to the Neo Geo driver.

Fixed:
gunbustr (Gun Buster) a27-20.bin -> a27-27.bin

Data Sync to 0.143u9

Download: M1.XML 20111027
Source: Here