wrangle: are you running windows 11?
if so, go to settings > network & internet > data usage
it lists the data used per application over a selected span..
if you are using a linux machine there are many, many options
my personal favorite would be a program called 'bandwhich'
https://github.com/imsnif/bandwhich
i agree this would be a very nice feature, but you have other options that will give you this function until it gets implemented in fopnu..