I spoke with a M service person in the US. They are aware of the problem, but do not have any solution yet. He suspects it relates to some changes at Tidal, as there were issues with Tidal and Roon connectivity earlier in the week. He noted not every Sooloos user is experiencing this problem with Tidal.

Ultra DAC, Antipodes K50, Spiral Groove SG 1.2, Lamm LP2, T+A T1210R, VTL TL 7.5iii, Lamm M1.2, Wilson Alexia 1