One year later 
The problem still exists 
warning “@atlaskit/atlassian-navigation > @atlaskit/analytics-namespaced-context > @atlaskit/analytics-next > @atlaskit/analytics-next-stable-react-context@1.0.1” has incorrect peer dependency “react@^16.8.0”.
warning “@atlaskit/modal-dialog > react-scrolllock@5.0.1” has incorrect peer dependency “react@^16.3.0”.