OR: what about manufacturers finally step up and deliver 64bit versions of their codecs? DNx is ancient and AVID is known for that. CineForm is open-source now and anyone could bring out a new flavor of it. We can drop GoPro Cineform. so apple is pushing the envelope (again) and like it or not, someone has to, otherwise we would still be using DOS. pros expect those "legacs formats" to stop working with the release of an OS in 2020 or even 21, this must be enough time for companies to find a way.