I think they're referring to this: https://developer.apple.com/icloud/cloudkit/ https://developer.apple.com/icloud/cloudkit/ It kind of flew under the radar, b

I think they're referring to this: https://developer.apple.com/icloud/cloudkit/ https://developer.apple.com/icloud/cloudkit/ It kind of flew under the radar, because it's not super clear how to use it from the landing page.