Possibility of 3x-5x perf impact according to Dan Abramov. https://github.com/facebook/react/issues/2608#issuecomment-219690343 https://github.com/facebook/reac

Possibility of 3x-5x perf impact according to Dan Abramov. https://github.com/facebook/react/issues/2608#issuecomment-219690343 https://github.com/facebook/react/issues/2608#issuecomment-2... I did not expect to argue in HN of all places whether it's OK or not to run the development mode of a library in production when it's so simple not to and the authors are trying so hard to prevent people from doing that.