I wanted to say I’m actually having the opposite experience. This is at 2 different locations, not sure if that matters. My Control:15 I was able to login into to Tidal late last week. The other setup has a QNAP running the Sooloos core and an MS200 player WILL NOT login to Tidal. I would not suggest this as a solution.

Waiting to see what Meridian does. I understand they’re not updating Sooloos. But if this is just a login mechanism issue perhaps they’ll offer a solution. It would certainly be a good gesture to clients that have invested a lot in their systems.

Roon is obviously the path forward. It also offers much better music discovery IMO along with other benefits. If you’re going to spend money to fix the problem that would be my recommendation, and they do have free trials. I’m running my Roon core on an old Mac Mini.