You still need to fill M2 or SSD up with wav files unnecessarily.
Major rewrite, if you had to go that way maybe it would be better to go for major, major rewrite like JUCE and have a version at the same time for all operating systems: Windows, macOS, Linux, iOS and Android, as well as VST, VST3, AU, AUv3, AAX and LV2 plug-ins.

I don't know, you need to look down the track a bit, what would be the best way to go ??
The BBPlugin will be released in a few days that should give an idea of the way things will go depending on what state that is at now. Hopefully it should have all the generate code contained within the JUCE and to play the wma files direct like sforzando, or playing the wma files direct from the bbw4 wav instructions, or with not much change how it is now.