Well, I'll be!
It seems as if salvaging has been simplified a bit since the last the time the devs talked it up. Oh, and harvesting spots are generated procedurally, so you won't necessarily be able to map out iron and tree nodes like you can in more typical MMOs. Gathering nodes have also been tweaked. More specifically they're now tied to the supply of harvestable resources in a particular hex, and GoblinWorks is currently going with a system of exclusive discovery rights to prevent claim-jumping.
Finally, today's dev blog touches on the game's outposts, which are semi-permanent structures in wilderness areas that produce a steady supply of bulk goods by the hour. Hit the links below to learn more.