But could it be that the OS functionality also evolved until today where it’s finally feasible to do this? I’m guessing the oldest code in Messenger stems from

But could it be that the OS functionality also evolved until today where it’s finally feasible to do this? I’m guessing the oldest code in Messenger stems from a time when the OS-provided libraries were not up to par or simply didn’t exist yet. Partly because it’s not until now that the OS manufacturers finally see what there is demand for in apps.