David, all.
Since my last post, there had been some developments.

https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=832580#Post832580

That pretty much will solve known issues with Chord track, making it a whole and ready for any VSTi that uses chords as input + key switches.
I am very excited about these small, but very important enhancements.