Element I - DLNA troubles

[Piotr]

I have Matrix Element I with latest firmware, working in a stable network (LAN), with static IP assigned. Unfortunately, there are terrible troubles with streaming via DLNA - in applications like BubbleUPNP, or Mconnect (which work fine with many other devices in the same network, event with simply and cheap Chromecast Audio) Matrix often "disappears" from the UPNP renderer list, then used to re-appear (but sometimes "freezes" too and does not stop/skip tracks). It seems to be a random issue, resetting device or network does not help. It just works, or not - as it wants.   With MA Remote streaming is stable (independent from DLNA protocol?), but here are NAS server issues (frequent and unfounded re-indexing of a large music collection), so I prefer not to use this app. Any help?...