Missing Asset Catalog Assets.car iOS 11 Distribution or TestFlight

Way to reproduce:

  • Create empty project in Unreal 4.17
  • Build “For Distribution” and sign with distribution certificate with XCode 9 Beta 4+
  • Upload to the AppStore

Result: Rejected, mail from the AppStore “Missing Asset Catalog - Your app is missing the Assets.car file in ‘blah.app’.”

Forum thread: Missing Asset Catalog - Cannot distribute app - Mobile Development - Unreal Engine Forums