Messenger chat head on iPhone 14 Pro

Having the same issue and cannot find the option to enable in settings. I can only assume the option was removed from the iPhone apps as this was easy to find on android

Atammemae wrote:

I have updated to iOS 16.1.1 and newest version of messenger, but I don’t have option under messenger settings to turn on messenger chat head bubble. Do I need turn it on somewhere else?

Maybe facebook can assist you with their messenger.