@xzxero: I upgraded from 3.2U + Wiikey v1 and no cIOS', to 4.2U using Waninkoko's Firmware Updater 4.2. HBC still worked, and everything else was fine - no stub IOS, etc. Of course then I discovered that region-free Disc Channel loading gets broken, and I wanted to go to 4.1.
Now the notes for...