diff --git a/dist/vue-router.common.js b/dist/vue-router.common.js
index 993cf06b8..84ca9e3b6 100644
--- a/dist/vue-router.common.js
+++ b/dist/vue-router.common.js
@@ -1,5 +1,5 @@
 /**
-  * vue-router v2.5.1
+  * vue-router v2.5.2
   * (c) 2017 Evan You
   * @license MIT
   */
@@ -28,7 +28,7 @@ var View = {
       default: 'default'
     }
   },
-  render: function render (h, ref) {
+  render: function render (_, ref) {
     var props = ref.props;
     var children = ref.children;
     var parent = ref.parent;
@@ -36,6 +36,9 @@ var View = {
 
     data.routerView = true;
 
+    // directly use parent context's createElement() function
+    // so that components rendered by router-view can resolve named slots
+    var h = parent.$createElement;
     var name = props.name;
     var route = parent.$route;
     var cache = parent._routerViewCache || (parent._routerViewCache = {});
@@ -1686,7 +1689,7 @@ History.prototype.confirmTransition = function confirmTransition (route, onCompl
 
   var current = this.current;
   var abort = function (err) {
-    if (err instanceof Error) {
+    if (isError(err)) {
       if (this$1.errorCbs.length) {
         this$1.errorCbs.forEach(function (cb) { cb(err); });
       } else {
@@ -1730,7 +1733,7 @@ History.prototype.confirmTransition = function confirmTransition (route, onCompl
     }
     try {
       hook(route, current, function (to) {
-        if (to === false || to instanceof Error) {
+        if (to === false || isError(to)) {
           // next(false) -> abort navigation, ensure current URL
           this$1.ensureURL(true);
           abort(to);
@@ -1950,7 +1953,7 @@ function resolveAsyncComponents (matched) {
           var msg = "Failed to resolve async component " + key + ": " + reason;
           process.env.NODE_ENV !== 'production' && warn(false, msg);
           if (!error) {
-            error = reason instanceof Error
+            error = isError(reason)
               ? reason
               : new Error(msg);
             next(error);
@@ -2011,6 +2014,10 @@ function once (fn) {
   }
 }
 
+function isError (err) {
+  return Object.prototype.toString.call(err).indexOf('Error') > -1
+}
+
 /*  */
 
 
@@ -2446,7 +2453,7 @@ function createHref (base, fullPath, mode) {
 }
 
 VueRouter.install = install;
-VueRouter.version = '2.5.1';
+VueRouter.version = '2.5.2';
 
 if (inBrowser && window.Vue) {
   window.Vue.use(VueRouter);
diff --git a/dist/vue-router.esm.js b/dist/vue-router.esm.js
index c18082a5d..cb0eff29d 100644
--- a/dist/vue-router.esm.js
+++ b/dist/vue-router.esm.js
@@ -1,5 +1,5 @@
 /**
-  * vue-router v2.5.1
+  * vue-router v2.5.2
   * (c) 2017 Evan You
   * @license MIT
   */
@@ -26,7 +26,7 @@ var View = {
       default: 'default'
     }
   },
-  render: function render (h, ref) {
+  render: function render (_, ref) {
     var props = ref.props;
     var children = ref.children;
     var parent = ref.parent;
@@ -34,6 +34,9 @@ var View = {
 
     data.routerView = true;
 
+    // directly use parent context's createElement() function
+    // so that components rendered by router-view can resolve named slots
+    var h = parent.$createElement;
     var name = props.name;
     var route = parent.$route;
     var cache = parent._routerViewCache || (parent._routerViewCache = {});
@@ -1684,7 +1687,7 @@ History.prototype.confirmTransition = function confirmTransition (route, onCompl
 
   var current = this.current;
   var abort = function (err) {
-    if (err instanceof Error) {
+    if (isError(err)) {
       if (this$1.errorCbs.length) {
         this$1.errorCbs.forEach(function (cb) { cb(err); });
       } else {
@@ -1728,7 +1731,7 @@ History.prototype.confirmTransition = function confirmTransition (route, onCompl
     }
     try {
       hook(route, current, function (to) {
-        if (to === false || to instanceof Error) {
+        if (to === false || isError(to)) {
           // next(false) -> abort navigation, ensure current URL
           this$1.ensureURL(true);
           abort(to);
@@ -1948,7 +1951,7 @@ function resolveAsyncComponents (matched) {
           var msg = "Failed to resolve async component " + key + ": " + reason;
           process.env.NODE_ENV !== 'production' && warn(false, msg);
           if (!error) {
-            error = reason instanceof Error
+            error = isError(reason)
               ? reason
               : new Error(msg);
             next(error);
@@ -2009,6 +2012,10 @@ function once (fn) {
   }
 }
 
+function isError (err) {
+  return Object.prototype.toString.call(err).indexOf('Error') > -1
+}
+
 /*  */
 
 
@@ -2444,7 +2451,7 @@ function createHref (base, fullPath, mode) {
 }
 
 VueRouter.install = install;
-VueRouter.version = '2.5.1';
+VueRouter.version = '2.5.2';
 
 if (inBrowser && window.Vue) {
   window.Vue.use(VueRouter);
diff --git a/dist/vue-router.js b/dist/vue-router.js
index 975b6aba7..b003e5bfd 100644
--- a/dist/vue-router.js
+++ b/dist/vue-router.js
@@ -1,5 +1,5 @@
 /**
-  * vue-router v2.5.1
+  * vue-router v2.5.2
   * (c) 2017 Evan You
   * @license MIT
   */
@@ -32,7 +32,7 @@ var View = {
       default: 'default'
     }
   },
-  render: function render (h, ref) {
+  render: function render (_, ref) {
     var props = ref.props;
     var children = ref.children;
     var parent = ref.parent;
@@ -40,6 +40,9 @@ var View = {
 
     data.routerView = true;
 
+    // directly use parent context's createElement() function
+    // so that components rendered by router-view can resolve named slots
+    var h = parent.$createElement;
     var name = props.name;
     var route = parent.$route;
     var cache = parent._routerViewCache || (parent._routerViewCache = {});
@@ -1690,7 +1693,7 @@ History.prototype.confirmTransition = function confirmTransition (route, onCompl
 
   var current = this.current;
   var abort = function (err) {
-    if (err instanceof Error) {
+    if (isError(err)) {
       if (this$1.errorCbs.length) {
         this$1.errorCbs.forEach(function (cb) { cb(err); });
       } else {
@@ -1734,7 +1737,7 @@ History.prototype.confirmTransition = function confirmTransition (route, onCompl
     }
     try {
       hook(route, current, function (to) {
-        if (to === false || to instanceof Error) {
+        if (to === false || isError(to)) {
           // next(false) -> abort navigation, ensure current URL
           this$1.ensureURL(true);
           abort(to);
@@ -1954,7 +1957,7 @@ function resolveAsyncComponents (matched) {
           var msg = "Failed to resolve async component " + key + ": " + reason;
           "development" !== 'production' && warn(false, msg);
           if (!error) {
-            error = reason instanceof Error
+            error = isError(reason)
               ? reason
               : new Error(msg);
             next(error);
@@ -2015,6 +2018,10 @@ function once (fn) {
   }
 }
 
+function isError (err) {
+  return Object.prototype.toString.call(err).indexOf('Error') > -1
+}
+
 /*  */
 
 
@@ -2450,7 +2457,7 @@ function createHref (base, fullPath, mode) {
 }
 
 VueRouter.install = install;
-VueRouter.version = '2.5.1';
+VueRouter.version = '2.5.2';
 
 if (inBrowser && window.Vue) {
   window.Vue.use(VueRouter);
diff --git a/dist/vue-router.min.js b/dist/vue-router.min.js
index 73c540db4..5df8a80b3 100644
--- a/dist/vue-router.min.js
+++ b/dist/vue-router.min.js
@@ -1,6 +1,6 @@
 /**
-  * vue-router v2.5.1
+  * vue-router v2.5.2
   * (c) 2017 Evan You
   * @license MIT
   */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.VueRouter=e()}(this,function(){"use strict";function t(t,e){}function e(t,e){switch(typeof e){case"undefined":return;case"object":return e;case"function":return e(t);case"boolean":return e?t.params:void 0}}function n(t,e,n){void 0===e&&(e={});var o,i=n||r;try{o=i(t||"")}catch(t){o={}}for(var a in e){var u=e[a];o[a]=Array.isArray(u)?u.slice():u}return o}function r(t){var e={};return(t=t.trim().replace(/^(\?|#|&)/,""))?(t.split("&").forEach(function(t){var n=t.replace(/\+/g," ").split("="),r=_t(n.shift()),o=n.length>0?_t(n.join("=")):null;void 0===e[r]?e[r]=o:Array.isArray(e[r])?e[r].push(o):e[r]=[e[r],o]}),e):e}function o(t){var e=t?Object.keys(t).map(function(e){var n=t[e];if(void 0===n)return"";if(null===n)return Tt(e);if(Array.isArray(n)){var r=[];return n.slice().forEach(function(t){void 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r=t.$options._parentVnode;e(r)&&e(r=r.data)&&e(r=r.registerRouteInstance)&&r(t,n)};t.mixin({beforeCreate:function(){e(this.$options.router)&&(this._router=this.$options.router,this._router.init(this),t.util.defineReactive(this,"_route",this._router.history.current)),n(this,this)},destroyed:function(){n(this)}}),t.component("router-view",Ct),t.component("router-link",Pt);var r=t.config.optionMergeStrategies;r.beforeRouteEnter=r.beforeRouteLeave=r.created}}function y(t,e,n){var r=t.charAt(0);if("/"===r)return t;if("?"===r||"#"===r)return e+t;var o=e.split("/");n&&o[o.length-1]||o.pop();for(var i=t.replace(/^\//,"").split("/"),a=0;a<i.length;a++){var u=i[a];".."===u?o.pop():"."!==u&&o.push(u)}return""!==o[0]&&o.unshift(""),o.join("/")}function v(t){var e="",n="",r=t.indexOf("#");r>=0&&(e=t.slice(r),t=t.slice(0,r));var o=t.indexOf("?");return o>=0&&(n=t.slice(o+1),t=t.slice(0,o)),{path:t,query:n,hash:e}}function m(t){return t.replace(/\/\//g,"/")}function g(t,e){for(var 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\ No newline at end of file