My wife and I just moved into a “new construction” house in Philadelphia. A few weeks ago I noticed a hairline crack on the kitchen ceiling. A few days later when working from home I saw the spot in a different light and noticed how raised the area is around it. What I want to know is if it’s water damage or just a crappy drywall job by the builder. There are other raised portions in the vicinity, but this is definitely the worst/most noticeable. It’s not soft, and the crack doesn’t seem to have gotten any worse after rain/snow the past few weeks, there’s also no discoloration.
I’ve included pictures of the spot at two different lighting situations

