Looks like we lost the duplicate-react warning (https://github.com/facebook/react/pull/3332) due to merging https://github.com/facebook/react/pull/5205 which contained https://github.com/spicyj/react/commit/4ba0e95a96507abbcb2819be328fc3d1ed3cc80f
Looks like we lost the duplicate-react warning (#3332) due to merging #5205 which contained sophiebits@4ba0e95