Release 2.2.4

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "description": "Routing and navigation for your React Native apps",
   "main": "src/react-navigation.js",
   "repository": {

src/navigators/createNavigator.js

@@ -8,10 +8,15 @@ function createNavigator(NavigatorView, router, navigationConfig) {
     static router = router;
     static navigationOptions = null;
 
-    state = {
+    constructor(props) {
-      descriptors: {},
+      super(props);
-      childEventSubscribers: {},
+
-    };
+      this.state = {
+        descriptors: {},
+        childEventSubscribers: {},
+        screenProps: props.screenProps,
+      };
+    }
 
     static getDerivedStateFromProps(nextProps, prevState) {
       const { navigation, screenProps } = nextProps;
@@ -21,7 +26,11 @@ function createNavigator(NavigatorView, router, navigationConfig) {
       const descriptors = { ...prevState.descriptors };
       const childEventSubscribers = { ...prevState.childEventSubscribers };
       routes.forEach(route => {
-        if (!descriptors[route.key] || descriptors[route.key].state !== route) {
+        if (
+          !descriptors[route.key] ||
+          descriptors[route.key].state !== route ||
+          screenProps !== prevState.screenProps
+        ) {
           const getComponent = () =>
             router.getComponentForRouteName(route.routeName);
 
@@ -75,6 +84,7 @@ function createNavigator(NavigatorView, router, navigationConfig) {
       return {
         descriptors,
         childEventSubscribers,
+        screenProps,
       };
     }