It's something that I've assumed was going to happen for some time now, but I don't think there's been any official announcement. Offhand, I'm not aware of any major errata in either of those sets. Sky-Scraper still only has five sizes and two different types of laser eyes.
I think you must have that first run typoed set. They're 'later eyes,' hence the cards being called Look to the Past and Look to the Future.
It was a really esoteric concept, but man they drlivered.