Do drywall cracks pose any risk for further damage?
Assuming your unit is similar to those outside your window. The crack is worthy to keep an eye on.
If there is a beam in that bulkhead, there could be a shoddy load support in the wall under it or in the floor below. Is the lower floor(basement)finished?
Depends on where you are located,  structural defects such as that crack indicates is typically covered under the new home warranty.
Structural engineers or Building science engineers will have the expertise to identify if there is reason to escalate the issue.