Roon & ARC have become incredibly unreliable for me - what is going on?

[CrystalGipsy (Resisting the flow!)]

Same issues here

Arc killing Roon core

Roon Core Machine Rock 7i7 16gb Networking Gear & Setup Details UniFi router and switches and amps Connected Audio Devices iPhone via ARC Number of Tracks in Library N/a Description of Issue Been using ARC all afternoon been fine then on way home on train not far from home it stops during Magnetic field 69 Love Songs says no Roon Radio available happened about 7.30pm GMT. It then won’t play a thing and has issues connecting. PlexAmp on same network to same phone and on a diffe…