That will send a map of your location in its own separate message.
We are not requesting any new permissions for your information.
This means you have complete control of whether you want to share your location at all.
If you dont ever use the pinned location functionality, Messenger wont ever log your location.
you’ve got the option to still share your location, but only when and where you choose.
Still, this probably wont delete old location info.
A New Way to Send a Location In Messenger| Facebook Newsroom