Saw that Alpha 14 was released today. 500+ updates, fixes. http://7daystodie.com/alpha-14-hits-the-streets/
Of note I saw while glancing
Added: New locations to the random gen mix xml including a bandit like shanty town, a water works, cell towers, banks, islands, car lots, diners, and cemeteries.
expanded and improved the skills system from 23 to nearly 50 skills and perk groups many of which have up to 3 to 5 tiers
Fixed: Minibike playing constant impact sounds.
Fixed: Dogs no longer have 360-degree vision.
Fixed: Floating buildings in Random Gen Worlds.
Added: New cement mixer station where you can mix cement
Added: New workbench station which allows you to craft extra items.
I don't have 7days server up at moment but can easily set one up if anyone is interested in trying it out. Would tweak it to ensure that first aid packs increase wellness.