Google's adoption of WebM that split the video support of H.264 based on a flawed knock-off has pushed video software back by years.
Dealing with this nonsense has been a colossal pain for video software developers.
I don't quite get what the target market is any more for the Mac Pro. I doubt the revenues are even worth mentioning in financial reports. I imagine they keep some guy from Next around updating this product so they don't have to lay him off