It seems like PlayStation Vue is following in the footsteps of YouTube TV and making a change to its DVR.

We have been hearing reports that PlayStation Vue is no longer allowing fast forwarding of DVR recordings on some channels such as AMC. Now we have a growing number of users who say that when they try to view a show on AMC or FOX owned network they only get the on demand version.

Source: PlayStation Vue Quietly Changes How Their DVR Works – Cord Cutters News