Samsing TVs shown at CESThe review that follows suggest that the they have switched from a "thick black one to a slim optical one. Does this mean they are no longer using or planning to use S7 cables?
https://www.pocket-lint.com/news/139785-best-of-ces-2017-tvs-samsung-sony-panasonic-lg-oled-and-more
"There will be three ranges of QLED TV, two flat, one curved and Samsung has stuck with its One Connect box system for connections, but has changed the cable from a thick black one to a slim, optical one to make cable management that little bit easier."