Shrinkage Cracks are a natural process of a new house drying out, and the developer can do nothing to stop that, however, in many cases they will come back and fill them, in any case, if they wont / dont, its hardly a major task getting a bag of filler and filling them yourself, and then touching them up with some paint, or getting a friend or relative to do it for you if your diy skills are anything like mine !!!! :blink: