Hope is not lost for Die Hard 6/McClane, but it just seems to be in limbo, along with many other films.
As he hinted, we may not know much about it for a while as The Powers That Be sift through the many Disney/Fox projects in development.
It was already in limbo as the script was developed.
Based on Lorenzo Di Bonaventura’s latest comments, it sounds like they’ve landed on a script they like, it’s just a matter of who is now in charge of moving the project forward and deciding what stays and what goes.