The structure for getting the [Android] JS Event names of scroll events has been changed with this commit. https://github.com/facebook/react-native/commit/c5186aeb461a6eafa582b0acba1b3cebfb83550b#diff-5f44395078b83296fc92d0b14101cfc6 I can make a PR at some point, but just opening this to make you aware.