Yes the one in the list that is a fact is indeed that TotK will utilize NSO in some capacity, according to recent promo material.
I was thinking if anything it might use it in a way similar to the Tingle bottles from Wind Waker HD. I don't imagine it being anything more substantial than that...
It feels like every other week there is some new rumor or leak floating around. Since this is primarily a Zelda and Nintendo themed Forum, I'll bring up just a few that I've seen in the last few weeks.
"Leaked" images of a Special Edition Tears of the Kingdom Switch OLED
Rumor that Tears of...