You have to be in Korea and on their Network, but I took it as a good sign that they're working on it:
LG G5 gets very limited 7.0 Nougat preview
LG G5 gets very limited 7.0 Nougat preview
Yeah, that is a very good sign.
I just hope my carrier (EE) can be bothered to roll it out, given they still haven't done the May, June or July android patches that other UK carriers have done.