HqMAME v2.31 is released. HqMAME is a modified version of up-to-date MAME with support for HQX image scaling filters.

HqMAME v2.31 Changelog:
Fixed graphics output for "-video ddraw -scaler none"
Fixed memory management diagnostics error message
Updated MAME to most recent version



Download: HqMAME v2.31
Source: Here