The way he talks we can expect an awesome 2018. He didn't give anything away though it's pretty vague.
http://www.pcgamesinsider.biz/interviews-and-opinion/66418/we-see-crunch-as-a-sign-of-failure-says-sims-4-lead-producer/
http://www.pcgamesinsider.biz/interviews-and-opinion/66418/we-see-crunch-as-a-sign-of-failure-says-sims-4-lead-producer/