Eddystone Proximity with Eddystone packets, Physical Web, Google Nearby Messages and Notifications.
IOS App Store rejection on using bluetooth-central in the UIBackgroundModes key in Info.plist [Proximity] (1)
Estimote App says Does not belong to Owner but web says beacon belongs to the account [Proximity] (2)
Google discontinuing support for Nearby and Physical Web (incl. Eddystone-URL and Here & Now) [Eddystone] (3)