The rumor at Kubecon (in December, right after re:Invent) was that at the time there were only five people working on EKS, so you shouldn't have expected much.

The rumor at Kubecon (in December, right after re:Invent) was that at the time there were only five people working on EKS, so you shouldn't have expected much. Thus, even if the team grew in the meantime, and it must have, you can't expect a solid product before at least the end of 2018. Waiting one year from announcement before adopting a brand new AWS product seems to be a reasonable rule of thumb.