message: Depended on React-Core
  This follows advice given by React Native
  Tested it works in Twitter sample with RN 62 (using XCode 12 and on iOS 12 and 14)
diff: @@ -8,5 +8,5 @@ Pod::Spec.new do |spec|
  spec.author = "Graham Mendick"
  spec.source = { :git => "git://github.com/grahammendick/navigation.git", :tag => "v6.25.1-NavigationReactNative" }
  spec.source_files = "ios/**/*.{h,m}"
  - spec.dependency "React"
  + spec.dependency "React-Core"
  end
  