**Do you want to request a *feature* or report a *bug*?**

Bug

**What is the current behavior?**

React Native for Web was broken by 16.5 as describe [here](https://github.com/necolas/react-native-web/issues/1096) due to this change https://github.com/facebook/react/pull/13539

**What is the expected behavior?**

Release a version of React that exports the EventPluginHub.

**Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?**

Worked in 16.4
for (const readableNodeName in readableIDToID) {
      if (ret[eventName].bubbled) {
        
        ret[eventName].bubbled[readableNodeName] = {
          order: NA,
          assertEvent: null,
          returnVal: undefined,
        };
        ret[eventName].captured[readableNodeName] = {
          order: NA,
          assertEvent: null,
          returnVal: undefined,
        };
      } else {
        ret[eventName][readableNodeName] = {
          order: NA,
          assertEvent: null,
          returnVal: undefined,
        };
      }
    }
  }
  return ret;
};
/**
 * @param {object} eventTestConfig
 * @param {object} readableIDToID
 */
const registerTestHandlers = function(eventTestConfig, readableIDToID) {
  const runs = {dispatchCount: 0};