ToneLib-Zoom 3.7.2 is adding support for: Zoom G1/G1X Four (firmware 1.0, 1.10); Zoom B1/B1X Four (firmware 1.0, 1.10); Firmware 2.10 for Zoom G3n/G3Xn/B3n; Firmware 3.10 for Zoom MS-50g. Other than that, ToneLib-Zoom 3.7.2 fixes various minor bugs.