Videos , pausing?

I switch from my nice Motorola android about four years ago to the iPhone 5 and now the 6s. I’d like to upgrade to the 11 however I’m still not that impressed .why on earth after all these models does iPhone still not have a pause feature while taking a video ? I could care less about all these tinting features in the camera ,I want to pause my video! is this coming soon ? and will I have to buy a new phone or will it be a systems upgrade ?