It appears as a device but now just reverts to a screen share resulting in a very jerky stream when the video (test Samsung 4K Iceland)
I was expecting the usual 'Cast to device' window opening on my laptop and the film appearing on the TV. Don't tell me that they have dropped a native DLNA player on the TV now?!? Also same for MP3s.
It was flawless (wireless connection depending) on my UE46ES6800.