Using MMW 4.1.5, MMA 1.0.7, HTC One M8 w/ SanDisk 128GB External mSD card, USB Sync. I typically start MMW before I plug in my phone. The settings are set to scan the device immediately but not sync. I also have it set to auto-unmount (although I'm not convinced this is actually happening) after ...

I actually just ran into this issue with the most recent updates of MMA and MMW as well (1.0.7 & 4.1.5). Definitely a bug there that needs to be fixed. Temporarily I just deleted the affected artists/albums from my phone and then did a USB sync. The sync settings added the updated files and the ...