I have same issues (more or less) as you can see on the other post for Spotify Connect problems on Ultra.
My Bluesound Node2i never disconnect, or never have any problem, sometimes I shut off the power totally for weeks, and it Connect well.
As i said on the other post, there is a problem with the network detection, Spotify thinks the Wiim (ultra for me) is on an a other network (absolutly not), confirmed on my laptop.
I shut off the local detection on Spotify iOS settings, and then, it works perfectly.
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