Remove zoomDisabled prop; add viewportContent prop

autoHeightWebView/index.js

   style: ViewPropTypes.style,
   customScript: PropTypes.string,
   customStyle: PropTypes.string,
-  zoomDisabled: PropTypes.bool,
+  viewportContent: PropTypes.string,
   scrollEnabledWithZoomedin: PropTypes.bool,
   // webview props
   originWhitelist: PropTypes.arrayOf(PropTypes.string),
     scalesPageToFit: false
   });
 
+Platform.OS === 'ios' &&
+  Object.assign(defaultProps, {
+    viewportContent: 'width=device-width'
+  });
+
 AutoHeightWebView.defaultProps = defaultProps;
 
 const styles = StyleSheet.create({

index.d.ts

   style: ViewStyle;
   customScript: string;
   customStyle: string;
-  zoomable: boolean;
+  viewportContent: string;
   scrollEnabledWithZoomedin: boolean;
 }