Well, Sony promised it “after Thanksgiving”, and here it is: the first details of Sony’s new 4K delivery system which may or may not show the way to the post Blu-Ray era
Sony's new consumer 4K handycam - first footage
Anyone still using ½-inch format equipment will be happy to know that Sony has strengthened its VTR refurbishment programme. So, while it will stop selling the kit next year, video tape recorders, cameras and players will still be serviced by the company until March 2023.
Even though some people groaned when Sony announced their XAVC codec back in October 2012, it's beginning to look like it is more than just another variation on the h.264 theme. What it may turn out to be is a rich environment for 4K production that is widely supported by NLEs and post production vendors