Originally Posted by DiapDealer
Calibre is OK with removing font obfuscation during conversions and some of its "tweak" features (and that's fine; that's not my call)... but KindleUnpack isn't going to do it. It's that simple.
So it is Calibre's Tweak Book that is undoing the obfuscation in the KF8 and not the plugin. Thanks for the explanation.