Hi Luke
I really appreciated when you added the 6/8, I love to play jigs! Do you have any plans on adding more compound times? It’s just something on my wish list.
Also on my wish list: maj7 chords. I know they’re not used in bluegrass, but I find myself creating more and more songs that are not bluegrass, and ran into a few songs that just need that dissonance of maj7.
Again, not complaining, love 
SM, just thinking…
Monika
Major sevenths (and many other chords) are definitely coming… that’s The Big Project, and I intend to get back to it as soon as I finish getting the iOS app in the App Store (which has ended up taking far long than I’d hoped…).
Compound time signatures… are you talking about 5/4, 7/8, etc? I have no plans to add these but it’s not entirely out of the question if there’s enough demand. I’m not sure how I would have it strum these time signatures… my exposure to these is mostly from playing various forms of Middle Eastern music, but we never used guitar in those jams… 
But if you have further feedback, ideas, examples of specific songs that need these compound time signatures, etc., feel free to share them!
Thanks for your input!