That looks really good!
Is there a release date?
You seem to be on it for quite a long time now, and also busy with other things.
Maybe it is a good idea to not stretch that thin. Now you a retuning for 4.8, but with progress that slow, 4.9 will hit the user base and then it is ground hog day again.
Looking forward to buy it!
(if it ever gets released in life 