Boyfriend was engaged before me

Me and my boyfriend have been together for 3months. wellll before me he was publicly engaged to someone else. I’m scared that they haven’t stopped communicating.. they were living in a house that they bought but now he basically stays with me butttt he still has majority of his things at their house..i was with him and his family for the new years celebration and around here thas a big deal but should I be worried🤕