Your app or its metadata contains references to a pre-release version of Apple software, products, or hardware. Apps with compatibility references to a pre-GM version of an Apple operating system SDK or pre-released Apple products or hardware are not in compliance with the Apple Developer Program License Agreement.
Specifically, section 2.3 states:
"Apple may provide You with pre-release versions of the Apple Software or related services that constitute Apple Confidential Information and are subject to the confidentiality obligations of this Agreement."
Please remove all references to pre-release versions of Apple software, products, and hardware from your app and its metadata.