Anyone experiencing issues with some 4K HDR files.  Specifically, the shield TV becomes unresponsive (or less responsive) and when you stop the video it goes back to the home screen and wont respond at all for a minute or two.  Seems to be a recent thing for me.   Whilst I'm here, a bug I can report is that when I switch tv to shield TV and try and fire up emby I often get  black screen and have to go back to home screen, open another app and then open emby again for it load, or else I have se