Nothing about DPAF for the 1dx? Even if it's costly, it would still be worth it, and since it's already superb I have no intention of upgrading to a newer version.
If it's only firmware it seems a little "Canon" to have to pay loads for it ..
Yes this is the most obvious and likely scenario...the Canon marketing team will be hanging greedily onto Dual Pixel tech as a headline feature in a 5D4 which I have no doubt is still years away.
Who really knows? By the the time a 5D4 is announced we may be fondly remembering good old dual pixel tech as we embrace something even more advanced....ermmm, quad pixel tech anyone? :