Meta says cross-app chatting between Messenger and Instagram will be discontinued in “mid-December 2023”, after announcing the feature in September 2020 (Kyle Bradshaw/9to5Google) 04-12-2023

Kyle Bradshaw / 9to5Google:
Meta says cross-app chatting between Messenger and Instagram will be discontinued in “mid-December 2023”, after announcing the feature in September 2020 — Meta is beginning the process of disconnecting the ability to have “cross-app chats” with your Instagram contacts via Facebook Messenger and vice-versa.