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

bug? Maybe.

**What is the current behavior?**

Using non-delegated handler for submit event.

**What is the expected behavior?**

After IE9, at least I know, submit event bubbled up.

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

16.2.0
propKey,
            nextProp,
          );
        }
        if (nextProp !== serverValue && !isMismatchDueToBadCasing) {
          warnForPropDifference(propKey, serverValue, nextProp);
        }
      }
    }
  }
  if (__DEV__) {
    
    if (extraAttributeNames.size > 0 && !suppressHydrationWarning) {
      
      warnForExtraAttributes(extraAttributeNames);
    }
  }
  switch (tag) {
    case 'input':
      
      
      inputValueTracking.track((domElement: any));
      ReactDOMFiberInput.postMountWrapper(domElement, rawProps, true);
      break;
    case 'textarea':
      
      
      inputValueTracking.track((domElement: any));
      ReactDOMFiberTextarea.postMountWrapper(domElement, rawProps);
      break;