Thanks again Ed. To follow up.. I upgrade my project to Swift 6, following the advice in the WWDC session, after addressing quite a few threading issues the map is all good now.

Thanks Ed for the prompt. Hmm, it works in a small demo project so it's my problem somehow. I'll try to narrow it down.

I'm seeing something similar in SwiftUI when trying to use ColorPicker("(bandName) band colour", selection: $bandColor) I get "RBSServiceErrorDomain Code=1 "Client not entitled" It works in the simulator but not on device.