Not having been at your interview, it is not possible to know issues there may have been and/or what might. Case is being actively reviewed by uscis. Since the 19th of november, our uscis account has been saying:
I485, I130 “Case is being actively reviewed” r/USCIS
According to lawfully's data analysis of uscis case status message updates, among the people who received the status message case is being actively reviewed by.
