Mayor Mamdani has moved into Gracie Mansion, sparking various reactions and concerns. There is uncertainty about the fate of a Puerto Rican heritage event that was previously held at the mansion, and the mayor is facing criticism and backlash over several issues, including a planned dinner event and a proposal to increase the NYPD headcount. Additionally, there have been incidents of disturbance and arrest outside the mayor's home, but details are not clear.