Sorry Im a little late with this and for not logging on in so long.... and I hope this wasn't posted already but I was at a pre-release screening of Safety Not Guaranteed and it was very clean on a 40ft. 4K screen. It's all F3 and I think pre-Slog, but I didn't have much time to ask questions.
http://trailers.apple.com/trailers/independent/safetynotguaranteed/
http://trailers.apple.com/trailers/independent/safetynotguaranteed/