I'm not sure the latest build 185 fixed all the 218 connectivity issues.

I've replaced my MS600 with the 218 for my main 2Ch system, no change in my network connections. I've noticed the 218 crashes intermittently while streaming Tidal. It seems when a Tidal track was interrupted, the 218 zone disappeared from my Control App for some varying time duration (a few seconds to many seconds) before it restarts and reappears on the Control App. Sometimes it'll cause a hard reset of the Sooloos Core as well.

That's a glitch that never happened with the MS600.

C15, QNAP TS453a, 218 (3u), MS600, Roon Nucleus+ 4TB SSD
2Ch: Devialet 250 PRO, Focal Scala, Velodyne DD10+ (2u), PS Audio P12, Transparent MM2
HT: Anthem 1140 & 540 8K AVR, Panasonic BD, 7.2: Triad & DD10+
JVC RS4300, Stewart 110" screen,
House: Triad Amps, Sonance speakers, PS Audio P10