Samsung only pushes out new LEDs every few years, so expect the next revolutionary change to be in 2020-2021. Our products will end up being better than QB V2, simply because of how our design process covers all the spots they missed.
I'm sure the plants are also enjoying it just as much as you are
Expect an announcement at any time, but full launch is really TBD. If I had to attribute it to anything, I'd say the new tariffs. Highly likely for Helios II to be made in the USA using the same Korean LM301B diodes as HLG.