Only reason to upgrade is if you care about the specific bug fixes [1] or have your eye on React 16. Not interested in either? Then don't upgrade. [1] - fixes

Only reason to upgrade is if you care about the specific bug fixes [1] or have your eye on React 16. Not interested in either? Then don't upgrade. [1] - fixes enumerated here: https://facebook.github.io/react/blog/2017/04/07/react-v15.5.0.html#changelog https://facebook.github.io/react/blog/2017/04/07/react-v15.5...