If we start with facts first, it'll be awhile, downfall to finding an early access game you like.
Hearth and Home to go live in Q3.
Mistlands development probably continuing after that.
Stuff that was part of the original roadmap probably after that. (combat overhaul, ocean and ships overhaul)
They also mentioned they might go back to working on pushing updates faster by not bundling them up in a major themed release.