Not sure if this is related to the other iOS build issue. However, I downloaded the package and it fails to link:
"_OBJC_METACLASS_$_ARAnchor", referenced from:
_OBJC_METACLASS_$_ARPlaneAttachmentAnchor in UnityARKit.a(ARKitXRReferencePointProvider.o)
"_OBJC_CLASS_$_ARAnchor", referenced from:
_OBJC_CLASS_$_ARPlaneAttachmentAnchor in UnityARKit.a(ARKitXRReferencePointProvider.o)
objc-class-ref in UnityARKit.a(ARKitXRReferencePointProvider.o)
"_OBJC_CLASS_$_ARPlaneAnchor", referenced from:
objc-class-ref in UnityARKit.a(ARKitXRReferencePointProvider.o)
objc-class-ref in UnityARKit.a(ARKitXRPlaneProvider.o)
"_OBJC_CLASS_$_ARSession", referenced from:
objc-class-ref in UnityARKit.a(ARKitXRSessionProvider.o)
"_OBJC_CLASS_$_ARWorldTrackingConfiguration", referenced from:
objc-class-ref in UnityARKit.a(ARKitXRSessionProvider.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Not sure if this is related to the other iOS build issue. However, I downloaded the package and it fails to link:
Unity 2018.2.2f1 Xcode 9.4.1 (9F2000), build target iOS11 universal.