Device - connected via WiFi - works fine, hardware remote works, video plays, etc. My problem is WiFi remote service seems to stop working - neither official, nor unofficial apps can connect. Have to reboot the device to get it working again, after which it works again for a random period - could be just hours, could be days - then it stops working again. It feels very much like a server process that crashes & doesn't respawn.
This has been an issue for a couple months now. Last update shows as Dec 9, which sounds about right for the start of this. It's a 4620X, software version 10.5.0, build 4208-29.