diff --git a/.eslintrc b/.eslintrc
index 8de521e669e494..a81fb56f319173 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -37,7 +37,7 @@
   "rules": {
     "no-cond-assign": 1,             // disallow assignment in conditional expressions
     "no-console": 0,                 // disallow use of console (off by default in the node environment)
-    "no-constant-condition": 1,      // disallow use of constant expressions in conditions
+    "no-constant-condition": 0,      // disallow use of constant expressions in conditions
     "no-comma-dangle": 0,            // disallow trailing commas in object literals
     "no-control-regex": 1,           // disallow control characters in regular expressions
     "no-debugger": 1,                // disallow use of debugger
diff --git a/Examples/2048/2048.xcodeproj/project.pbxproj b/Examples/2048/2048.xcodeproj/project.pbxproj
index 18f1ec2a9653d8..d792a2d621d598 100644
--- a/Examples/2048/2048.xcodeproj/project.pbxproj
+++ b/Examples/2048/2048.xcodeproj/project.pbxproj
@@ -7,23 +7,16 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		13ACB6741AC2117000FF4204 /* libRCTAnimation.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 13ACB6711AC2113600FF4204 /* libRCTAnimation.a */; };
 		13B07FBC1A68108700A75B9A /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FB01A68108700A75B9A /* AppDelegate.m */; };
 		13B07FBD1A68108700A75B9A /* LaunchScreen.xib in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB11A68108700A75B9A /* LaunchScreen.xib */; };
 		13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB51A68108700A75B9A /* Images.xcassets */; };
 		13B07FC11A68108700A75B9A /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FB71A68108700A75B9A /* main.m */; };
 		1461632D1AC3E23900C2F5AD /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 1461632C1AC3E22900C2F5AD /* libReact.a */; };
+		58C1E40E1ACF54E9006D1A47 /* libRCTAnimationExperimental.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 58C1E40B1ACF54B4006D1A47 /* libRCTAnimationExperimental.a */; };
 		832341BD1AAA6AB300B99B32 /* libRCTText.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 832341B51AAA6A8300B99B32 /* libRCTText.a */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
-		13ACB6701AC2113600FF4204 /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = 13ACB66C1AC2113500FF4204 /* RCTAnimation.xcodeproj */;
-			proxyType = 2;
-			remoteGlobalIDString = 134814201AA4EA6300B7C361;
-			remoteInfo = RCTAnimation;
-		};
 		1461632B1AC3E22900C2F5AD /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 146163271AC3E22900C2F5AD /* React.xcodeproj */;
@@ -31,6 +24,13 @@
 			remoteGlobalIDString = 83CBBA2E1A601D0E00E9B192;
 			remoteInfo = React;
 		};
+		58C1E40A1ACF54B4006D1A47 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 13ACB66C1AC2113500FF4204 /* RCTAnimationExperimental.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 134814201AA4EA6300B7C361;
+			remoteInfo = RCTAnimationExperimental;
+		};
 		832341B41AAA6A8300B99B32 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 832341B01AAA6A8300B99B32 /* RCTText.xcodeproj */;
@@ -41,7 +41,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
-		13ACB66C1AC2113500FF4204 /* RCTAnimation.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTAnimation.xcodeproj; path = ../../Libraries/Animation/RCTAnimation.xcodeproj; sourceTree = "<group>"; };
+		13ACB66C1AC2113500FF4204 /* RCTAnimationExperimental.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTAnimationExperimental.xcodeproj; path = ../../Libraries/Animation/RCTAnimationExperimental.xcodeproj; sourceTree = "<group>"; };
 		13B07F961A680F5B00A75B9A /* 2048.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = 2048.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		13B07FAF1A68108700A75B9A /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AppDelegate.h; path = 2048/AppDelegate.h; sourceTree = "<group>"; };
 		13B07FB01A68108700A75B9A /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = AppDelegate.m; path = 2048/AppDelegate.m; sourceTree = "<group>"; };
@@ -59,7 +59,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				1461632D1AC3E23900C2F5AD /* libReact.a in Frameworks */,
-				13ACB6741AC2117000FF4204 /* libRCTAnimation.a in Frameworks */,
+				58C1E40E1ACF54E9006D1A47 /* libRCTAnimationExperimental.a in Frameworks */,
 				832341BD1AAA6AB300B99B32 /* libRCTText.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -67,14 +67,6 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
-		13ACB66D1AC2113500FF4204 /* Products */ = {
-			isa = PBXGroup;
-			children = (
-				13ACB6711AC2113600FF4204 /* libRCTAnimation.a */,
-			);
-			name = Products;
-			sourceTree = "<group>";
-		};
 		13B07FAE1A68108700A75B9A /* 2048 */ = {
 			isa = PBXGroup;
 			children = (
@@ -96,12 +88,20 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
+		58C1E4071ACF54B4006D1A47 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				58C1E40B1ACF54B4006D1A47 /* libRCTAnimationExperimental.a */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
 		832341AE1AAA6A7D00B99B32 /* Libraries */ = {
 			isa = PBXGroup;
 			children = (
 				146163271AC3E22900C2F5AD /* React.xcodeproj */,
 				832341B01AAA6A8300B99B32 /* RCTText.xcodeproj */,
-				13ACB66C1AC2113500FF4204 /* RCTAnimation.xcodeproj */,
+				13ACB66C1AC2113500FF4204 /* RCTAnimationExperimental.xcodeproj */,
 			);
 			name = Libraries;
 			sourceTree = "<group>";
@@ -175,8 +175,8 @@
 			projectDirPath = "";
 			projectReferences = (
 				{
-					ProductGroup = 13ACB66D1AC2113500FF4204 /* Products */;
-					ProjectRef = 13ACB66C1AC2113500FF4204 /* RCTAnimation.xcodeproj */;
+					ProductGroup = 58C1E4071ACF54B4006D1A47 /* Products */;
+					ProjectRef = 13ACB66C1AC2113500FF4204 /* RCTAnimationExperimental.xcodeproj */;
 				},
 				{
 					ProductGroup = 832341B11AAA6A8300B99B32 /* Products */;
@@ -195,18 +195,18 @@
 /* End PBXProject section */
 
 /* Begin PBXReferenceProxy section */
-		13ACB6711AC2113600FF4204 /* libRCTAnimation.a */ = {
+		1461632C1AC3E22900C2F5AD /* libReact.a */ = {
 			isa = PBXReferenceProxy;
 			fileType = archive.ar;
-			path = libRCTAnimation.a;
-			remoteRef = 13ACB6701AC2113600FF4204 /* PBXContainerItemProxy */;
+			path = libReact.a;
+			remoteRef = 1461632B1AC3E22900C2F5AD /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
-		1461632C1AC3E22900C2F5AD /* libReact.a */ = {
+		58C1E40B1ACF54B4006D1A47 /* libRCTAnimationExperimental.a */ = {
 			isa = PBXReferenceProxy;
 			fileType = archive.ar;
-			path = libReact.a;
-			remoteRef = 1461632B1AC3E22900C2F5AD /* PBXContainerItemProxy */;
+			path = libRCTAnimationExperimental.a;
+			remoteRef = 58C1E40A1ACF54B4006D1A47 /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
 		832341B51AAA6A8300B99B32 /* libRCTText.a */ = {
@@ -266,6 +266,10 @@
 				);
 				INFOPLIST_FILE = "$(SRCROOT)/2048/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"/Users/sahrens/src/fbobjc-hg/Libraries/FBReactKit/js/react-native-github/Libraries/Animation/build/Debug-iphoneos",
+				);
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_NAME = 2048;
 			};
@@ -282,6 +286,10 @@
 				);
 				INFOPLIST_FILE = "$(SRCROOT)/2048/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"/Users/sahrens/src/fbobjc-hg/Libraries/FBReactKit/js/react-native-github/Libraries/Animation/build/Debug-iphoneos",
+				);
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_NAME = 2048;
 			};
diff --git a/Examples/2048/Game2048.js b/Examples/2048/Game2048.js
index 03abfcd69fd8ac..a6e12ff131137c 100644
--- a/Examples/2048/Game2048.js
+++ b/Examples/2048/Game2048.js
@@ -18,13 +18,13 @@
 
 var React = require('react-native');
 var {
-  Animation,
   AppRegistry,
   StyleSheet,
   Text,
   View,
 } = React;
 
+var AnimationExperimental = require('AnimationExperimental');
 var GameBoard = require('GameBoard');
 var TouchableBounce = require('TouchableBounce');
 
@@ -77,17 +77,15 @@ class Tile extends React.Component {
         animationPosition(tile.toColumn()),
         animationPosition(tile.toRow()),
       ];
-      Animation.startAnimation(this.refs['this'], 100, 0, 'easeInOutQuad', {position: point});
+      AnimationExperimental.startAnimation(this.refs['this'], 100, 0, 'easeInOutQuad', {position: point});
     }
 
     return offset;
   }
 
+
   componentDidMount() {
-    setTimeout(() => {
-      Animation.startAnimation(this.refs['this'], 300, 0, 'easeInOutQuad', {scaleXY: [1, 1]});
-      Animation.startAnimation(this.refs['this'], 100, 0, 'easeInOutQuad', {opacity: 1});
-    }, 0);
+    AnimationExperimental.startAnimation(this.refs['this'], 100, 0, 'easeInOutQuad', {opacity: 1});
   }
 
   render() {
diff --git a/Examples/UIExplorer/Navigator/JumpingNavSample.js b/Examples/UIExplorer/Navigator/JumpingNavSample.js
index b38d9291d05d77..eecabcbce9ca13 100644
--- a/Examples/UIExplorer/Navigator/JumpingNavSample.js
+++ b/Examples/UIExplorer/Navigator/JumpingNavSample.js
@@ -52,26 +52,45 @@ var ROUTE_STACK = [
 var INIT_ROUTE_INDEX = 1;
 
 class JumpingNavBar extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      tabIndex: props.initTabIndex,
+    };
+  }
+  handleWillFocus(route) {
+    var tabIndex = ROUTE_STACK.indexOf(route);
+    this.setState({ tabIndex, });
+  }
   render() {
     return (
       <View style={styles.tabs}>
         <TabBarIOS>
           <TabBarIOS.Item
             icon={require('image!tabnav_notification')}
-            selected={this.props.tabIndex === 0}
-            onPress={() => { this.props.onTabIndex(0); }}>
+            selected={this.state.tabIndex === 0}
+            onPress={() => {
+              this.props.onTabIndex(0);
+              this.setState({ tabIndex: 0, });
+            }}>
             <View />
           </TabBarIOS.Item>
           <TabBarIOS.Item
             icon={require('image!tabnav_list')}
-            selected={this.props.tabIndex === 1}
-            onPress={() => { this.props.onTabIndex(1); }}>
+            selected={this.state.tabIndex === 1}
+            onPress={() => {
+              this.props.onTabIndex(1);
+              this.setState({ tabIndex: 1, });
+            }}>
             <View />
           </TabBarIOS.Item>
           <TabBarIOS.Item
             icon={require('image!tabnav_settings')}
-            selected={this.props.tabIndex === 2}
-            onPress={() => { this.props.onTabIndex(2); }}>
+            selected={this.state.tabIndex === 2}
+            onPress={() => {
+              this.props.onTabIndex(2);
+              this.setState({ tabIndex: 2, });
+            }}>
             <View />
           </TabBarIOS.Item>
         </TabBarIOS>
@@ -81,12 +100,6 @@ class JumpingNavBar extends React.Component {
 }
 
 var JumpingNavSample = React.createClass({
-  getInitialState: function() {
-    return {
-      tabIndex: INIT_ROUTE_INDEX,
-    };
-  },
-
   render: function() {
     return (
       <Navigator
@@ -98,23 +111,19 @@ var JumpingNavSample = React.createClass({
         initialRoute={ROUTE_STACK[INIT_ROUTE_INDEX]}
         initialRouteStack={ROUTE_STACK}
         renderScene={this.renderScene}
+        configureScene={() => ({
+          ...Navigator.SceneConfigs.HorizontalSwipeJump,
+        })}
         navigationBar={
           <JumpingNavBar
+            ref={(navBar) => { this.navBar = navBar; }}
+            initTabIndex={INIT_ROUTE_INDEX}
             routeStack={ROUTE_STACK}
-            tabIndex={this.state.tabIndex}
             onTabIndex={(index) => {
-              this.setState({ tabIndex: index }, () => {
-                this._navigator.jumpTo(ROUTE_STACK[index]);
-              });
+              this._navigator.jumpTo(ROUTE_STACK[index]);
             }}
           />
         }
-        onWillFocus={(route) => {
-          this.setState({
-            tabIndex: ROUTE_STACK.indexOf(route),
-          });
-        }}
-        shouldJumpOnBackstackPop={true}
       />
     );
   },
diff --git a/Examples/UIExplorer/NavigatorIOSExample.js b/Examples/UIExplorer/NavigatorIOSExample.js
index a7acdde24d08ed..eee731bd53834a 100644
--- a/Examples/UIExplorer/NavigatorIOSExample.js
+++ b/Examples/UIExplorer/NavigatorIOSExample.js
@@ -17,6 +17,7 @@
 
 var React = require('react-native');
 var ViewExample = require('./ViewExample');
+var createExamplePage = require('./createExamplePage');
 var {
   PixelRatio,
   ScrollView,
@@ -77,7 +78,7 @@ var NavigatorIOSExample = React.createClass({
           {this._renderRow('Push View Example', () => {
             this.props.navigator.push({
               title: 'Very Long Custom View Example Title',
-              component: ViewExample,
+              component: createExamplePage(null, ViewExample),
             });
           })}
           {this._renderRow('Custom Right Button', () => {
diff --git a/Examples/UIExplorer/ResponderExample.js b/Examples/UIExplorer/ResponderExample.js
index 4cc62ff3aa624c..05ba27cd2be476 100644
--- a/Examples/UIExplorer/ResponderExample.js
+++ b/Examples/UIExplorer/ResponderExample.js
@@ -38,7 +38,7 @@ var NavigatorIOSExample = React.createClass({
   _previousLeft: 0,
   _previousTop: 0,
   _circleStyles: {},
-  circle: (null : ?React.Element),
+  circle: (null : ?{ setNativeProps(props: Object): void }),
 
   componentWillMount: function() {
     this._panResponder = PanResponder.create({
diff --git a/Libraries/Animation/Animation.js b/Libraries/Animation/AnimationExperimental.js
similarity index 56%
rename from Libraries/Animation/Animation.js
rename to Libraries/Animation/AnimationExperimental.js
index 019802f5e67da5..79daa4550ffa8c 100644
--- a/Libraries/Animation/Animation.js
+++ b/Libraries/Animation/AnimationExperimental.js
@@ -6,18 +6,25 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
- * @providesModule Animation
+ * @providesModule AnimationExperimental
  * @flow
  */
 'use strict';
 
-var RCTAnimationManager = require('NativeModules').AnimationManager;
+var RCTAnimationManager = require('NativeModules').AnimationExperimentalManager;
 var AnimationUtils = require('AnimationUtils');
 
 type EasingFunction = (t: number) => number;
 
-var Animation = {
-  Mixin: require('AnimationMixin'),
+/**
+ * This is an experimental module that is under development, incomplete,
+ * potentially buggy, not used in any production apps, and will probably change
+ * in non-backward compatible ways.
+ *
+ * Use at your own risk.
+ */
+var AnimationExperimental = {
+  Mixin: require('AnimationExperimentalMixin'),
 
   startAnimation: function(
     node: any,
@@ -28,7 +35,14 @@ var Animation = {
   ): number {
     var nodeHandle = +node.getNodeHandle();
     var easingSample = AnimationUtils.evaluateEasingFunction(duration, easing);
-    var tag: number = RCTAnimationManager.startAnimation(nodeHandle, AnimationUtils.allocateTag(), duration, delay, easingSample, properties);
+    var tag: number = RCTAnimationManager.startAnimation(
+      nodeHandle,
+      AnimationUtils.allocateTag(),
+      duration,
+      delay,
+      easingSample,
+      properties
+    );
     return tag;
   },
 
@@ -37,4 +51,4 @@ var Animation = {
   },
 };
 
-module.exports = Animation;
+module.exports = AnimationExperimental;
diff --git a/Libraries/Animation/AnimationMixin.js b/Libraries/Animation/AnimationExperimentalMixin.js
similarity index 74%
rename from Libraries/Animation/AnimationMixin.js
rename to Libraries/Animation/AnimationExperimentalMixin.js
index 8cb9680eff2918..7cee9b72b14027 100644
--- a/Libraries/Animation/AnimationMixin.js
+++ b/Libraries/Animation/AnimationExperimentalMixin.js
@@ -6,19 +6,26 @@
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
  *
- * @providesModule AnimationMixin
+ * @providesModule AnimationExperimentalMixin
  * @flow
  */
 'use strict';
 
 var AnimationUtils = require('AnimationUtils');
-var RCTAnimationManager = require('NativeModules').AnimationManager;
+var RCTAnimationManager = require('NativeModules').AnimationExperimentalManager;
 
 var invariant = require('invariant');
 
 type EasingFunction = (t: number) => number;
 
-var AnimationMixin = {
+/**
+ * This is an experimental module that is under development, incomplete,
+ * potentially buggy, not used in any production apps, and will probably change
+ * in non-backward compatible ways.
+ *
+ * Use at your own risk.
+ */
+var AnimationExperimentalMixin = {
   getInitialState: function(): Object {
     return {};
   },
@@ -48,4 +55,4 @@ var AnimationMixin = {
   },
 };
 
-module.exports = AnimationMixin;
+module.exports = AnimationExperimentalMixin;
diff --git a/Libraries/Animation/RCTAnimation.xcodeproj/project.pbxproj b/Libraries/Animation/RCTAnimationExperimental.xcodeproj/project.pbxproj
similarity index 80%
rename from Libraries/Animation/RCTAnimation.xcodeproj/project.pbxproj
rename to Libraries/Animation/RCTAnimationExperimental.xcodeproj/project.pbxproj
index 81eb52c705e2f1..038ec7252017e7 100644
--- a/Libraries/Animation/RCTAnimation.xcodeproj/project.pbxproj
+++ b/Libraries/Animation/RCTAnimationExperimental.xcodeproj/project.pbxproj
@@ -7,7 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		13BE3DEE1AC21097009241FE /* RCTAnimationManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 13BE3DED1AC21097009241FE /* RCTAnimationManager.m */; };
+		13BE3DEE1AC21097009241FE /* RCTAnimationExperimentalManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 13BE3DED1AC21097009241FE /* RCTAnimationExperimentalManager.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -23,9 +23,9 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
-		134814201AA4EA6300B7C361 /* libRCTAnimation.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libRCTAnimation.a; sourceTree = BUILT_PRODUCTS_DIR; };
-		13BE3DEC1AC21097009241FE /* RCTAnimationManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTAnimationManager.h; sourceTree = "<group>"; };
-		13BE3DED1AC21097009241FE /* RCTAnimationManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTAnimationManager.m; sourceTree = "<group>"; };
+		134814201AA4EA6300B7C361 /* libRCTAnimationExperimental.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libRCTAnimationExperimental.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		13BE3DEC1AC21097009241FE /* RCTAnimationExperimentalManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTAnimationExperimentalManager.h; sourceTree = "<group>"; };
+		13BE3DED1AC21097009241FE /* RCTAnimationExperimentalManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTAnimationExperimentalManager.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -42,7 +42,7 @@
 		134814211AA4EA7D00B7C361 /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				134814201AA4EA6300B7C361 /* libRCTAnimation.a */,
+				134814201AA4EA6300B7C361 /* libRCTAnimationExperimental.a */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -50,8 +50,8 @@
 		58B511D21A9E6C8500147676 = {
 			isa = PBXGroup;
 			children = (
-				13BE3DEC1AC21097009241FE /* RCTAnimationManager.h */,
-				13BE3DED1AC21097009241FE /* RCTAnimationManager.m */,
+				13BE3DEC1AC21097009241FE /* RCTAnimationExperimentalManager.h */,
+				13BE3DED1AC21097009241FE /* RCTAnimationExperimentalManager.m */,
 				134814211AA4EA7D00B7C361 /* Products */,
 			);
 			sourceTree = "<group>";
@@ -59,9 +59,9 @@
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
-		58B511DA1A9E6C8500147676 /* RCTAnimation */ = {
+		58B511DA1A9E6C8500147676 /* RCTAnimationExperimental */ = {
 			isa = PBXNativeTarget;
-			buildConfigurationList = 58B511EF1A9E6C8500147676 /* Build configuration list for PBXNativeTarget "RCTAnimation" */;
+			buildConfigurationList = 58B511EF1A9E6C8500147676 /* Build configuration list for PBXNativeTarget "RCTAnimationExperimental" */;
 			buildPhases = (
 				58B511D71A9E6C8500147676 /* Sources */,
 				58B511D81A9E6C8500147676 /* Frameworks */,
@@ -71,9 +71,9 @@
 			);
 			dependencies = (
 			);
-			name = RCTAnimation;
+			name = RCTAnimationExperimental;
 			productName = RCTDataManager;
-			productReference = 134814201AA4EA6300B7C361 /* libRCTAnimation.a */;
+			productReference = 134814201AA4EA6300B7C361 /* libRCTAnimationExperimental.a */;
 			productType = "com.apple.product-type.library.static";
 		};
 /* End PBXNativeTarget section */
@@ -90,7 +90,7 @@
 					};
 				};
 			};
-			buildConfigurationList = 58B511D61A9E6C8500147676 /* Build configuration list for PBXProject "RCTAnimation" */;
+			buildConfigurationList = 58B511D61A9E6C8500147676 /* Build configuration list for PBXProject "RCTAnimationExperimental" */;
 			compatibilityVersion = "Xcode 3.2";
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
@@ -102,7 +102,7 @@
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
-				58B511DA1A9E6C8500147676 /* RCTAnimation */,
+				58B511DA1A9E6C8500147676 /* RCTAnimationExperimental */,
 			);
 		};
 /* End PBXProject section */
@@ -112,7 +112,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				13BE3DEE1AC21097009241FE /* RCTAnimationManager.m in Sources */,
+				13BE3DEE1AC21097009241FE /* RCTAnimationExperimentalManager.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -203,7 +203,7 @@
 				);
 				LIBRARY_SEARCH_PATHS = "$(inherited)";
 				OTHER_LDFLAGS = "-ObjC";
-				PRODUCT_NAME = RCTAnimation;
+				PRODUCT_NAME = RCTAnimationExperimental;
 				SKIP_INSTALL = YES;
 			};
 			name = Debug;
@@ -218,7 +218,7 @@
 				);
 				LIBRARY_SEARCH_PATHS = "$(inherited)";
 				OTHER_LDFLAGS = "-ObjC";
-				PRODUCT_NAME = RCTAnimation;
+				PRODUCT_NAME = RCTAnimationExperimental;
 				SKIP_INSTALL = YES;
 			};
 			name = Release;
@@ -226,7 +226,7 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
-		58B511D61A9E6C8500147676 /* Build configuration list for PBXProject "RCTAnimation" */ = {
+		58B511D61A9E6C8500147676 /* Build configuration list for PBXProject "RCTAnimationExperimental" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				58B511ED1A9E6C8500147676 /* Debug */,
@@ -235,7 +235,7 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		58B511EF1A9E6C8500147676 /* Build configuration list for PBXNativeTarget "RCTAnimation" */ = {
+		58B511EF1A9E6C8500147676 /* Build configuration list for PBXNativeTarget "RCTAnimationExperimental" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				58B511F01A9E6C8500147676 /* Debug */,
diff --git a/Libraries/Animation/RCTAnimationManager.h b/Libraries/Animation/RCTAnimationExperimentalManager.h
similarity index 85%
rename from Libraries/Animation/RCTAnimationManager.h
rename to Libraries/Animation/RCTAnimationExperimentalManager.h
index 1211143da3dbfc..0affc5233fef29 100644
--- a/Libraries/Animation/RCTAnimationManager.h
+++ b/Libraries/Animation/RCTAnimationExperimentalManager.h
@@ -12,6 +12,6 @@
 
 #import "RCTBridgeModule.h"
 
-@interface RCTAnimationManager : NSObject <RCTBridgeModule>
+@interface RCTAnimationExperimentalManager : NSObject <RCTBridgeModule>
 
 @end
diff --git a/Libraries/Animation/RCTAnimationManager.m b/Libraries/Animation/RCTAnimationExperimentalManager.m
similarity index 94%
rename from Libraries/Animation/RCTAnimationManager.m
rename to Libraries/Animation/RCTAnimationExperimentalManager.m
index a6e342db6f32ef..88bb5fe287af18 100644
--- a/Libraries/Animation/RCTAnimationManager.m
+++ b/Libraries/Animation/RCTAnimationExperimentalManager.m
@@ -7,7 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#import "RCTAnimationManager.h"
+#import "RCTAnimationExperimentalManager.h"
 
 #import <UIKit/UIKit.h>
 
@@ -20,7 +20,7 @@
   #define CG_APPEND(PREFIX, SUFFIX_F, SUFFIX_D) PREFIX##SUFFIX_F
 #endif
 
-@implementation RCTAnimationManager
+@implementation RCTAnimationExperimentalManager
 {
   RCTSparseArray *_animationRegistry; // Main thread only; animation tag -> view tag
 }
@@ -65,9 +65,9 @@ - (void)startAnimationForTag:(NSNumber *)reactTag animationTag:(NSNumber *)anima
 {
   RCT_EXPORT(startAnimation);
 
-  __weak RCTAnimationManager *weakSelf = self;
+  __weak RCTAnimationExperimentalManager *weakSelf = self;
   [_bridge.uiManager addUIBlock:^(RCTUIManager *uiManager, RCTSparseArray *viewRegistry) {
-    RCTAnimationManager *strongSelf = weakSelf;
+    RCTAnimationExperimentalManager *strongSelf = weakSelf;
 
     UIView *view = viewRegistry[reactTag];
     if (!view) {
@@ -182,9 +182,9 @@ - (void)stopAnimation:(NSNumber *)animationTag
 {
   RCT_EXPORT(stopAnimation);
 
-  __weak RCTAnimationManager *weakSelf = self;
+  __weak RCTAnimationExperimentalManager *weakSelf = self;
   [_bridge.uiManager addUIBlock:^(RCTUIManager *uiManager, RCTSparseArray *viewRegistry) {
-    RCTAnimationManager *strongSelf = weakSelf;
+    RCTAnimationExperimentalManager *strongSelf = weakSelf;
 
     NSNumber *reactTag = strongSelf->_animationRegistry[animationTag];
     if (!reactTag) return;
diff --git a/Libraries/Components/ScrollResponder.js b/Libraries/Components/ScrollResponder.js
index 009bbebb4571c4..1f3d493f3c5167 100644
--- a/Libraries/Components/ScrollResponder.js
+++ b/Libraries/Components/ScrollResponder.js
@@ -364,10 +364,16 @@ var ScrollResponderMixin = {
   /**
    * This method should be used as the callback to onFocus in a TextInputs'
    * parent view. Note that any module using this mixin needs to return
-   * the parent view's ref in getScrollViewRef() in order to use this method
+   * the parent view's ref in getScrollViewRef() in order to use this method.
+   * @param {any} nodeHandle The TextInput node handle
+   * @param {number} additionalOffset The scroll view's top "contentInset".
+   *        Default is 0.
+   * @param {bool} preventNegativeScrolling Whether to allow pulling the content
+   *        down to make it meet the keyboard's top. Default is false.
    */
-    scrollResponderScrollNativeHandleToKeyboard: function(nodeHandle: any, additionalOffset?: number) {
+  scrollResponderScrollNativeHandleToKeyboard: function(nodeHandle: any, additionalOffset?: number, preventNegativeScrollOffset?: bool) {
     this.additionalScrollOffset = additionalOffset || 0;
+    this.preventNegativeScrollOffset = !!preventNegativeScrollOffset;
     RCTUIManager.measureLayout(
       nodeHandle,
       this.getNodeHandle(),
@@ -386,14 +392,23 @@ var ScrollResponderMixin = {
    * @param {number} width Width of the text input.
    * @param {number} height Height of the text input.
    */
-    scrollResponderInputMeasureAndScrollToKeyboard: function(left: number, top: number, width: number, height: number) {
+  scrollResponderInputMeasureAndScrollToKeyboard: function(left: number, top: number, width: number, height: number) {
     if (this.keyboardWillOpenTo) {
       var scrollOffsetY =
         top - this.keyboardWillOpenTo.endCoordinates.screenY + height +
         this.additionalScrollOffset;
+
+      // By default, this can scroll with negative offset, pulling the content
+      // down so that the target component's bottom meets the keyboard's top.
+      // If requested otherwise, cap the offset at 0 minimum to avoid content
+      // shifting down.
+      if (this.preventNegativeScrollOffset) {
+        scrollOffsetY = Math.max(0, scrollOffsetY);
+      }
       this.scrollResponderScrollTo(0, scrollOffsetY);
     }
     this.additionalOffset = 0;
+    this.preventNegativeScrollOffset = false;
   },
 
   scrollResponderTextInputFocusError: function(e: Event) {
diff --git a/Libraries/Components/SliderIOS/SliderIOS.js b/Libraries/Components/SliderIOS/SliderIOS.js
index a8f2f512516efc..ae2475d3364abc 100644
--- a/Libraries/Components/SliderIOS/SliderIOS.js
+++ b/Libraries/Components/SliderIOS/SliderIOS.js
@@ -40,7 +40,7 @@ var SliderIOS = React.createClass({
      * Default value is 0.
      *
      * *This is not a controlled component*, e.g. if you don't update
-     * the value, the component won't be reset to it's inital value.
+     * the value, the component won't be reset to its inital value.
      */
     value: PropTypes.number,
 
@@ -82,6 +82,8 @@ var SliderIOS = React.createClass({
       <RCTSlider
         style={[styles.slider, this.props.style]}
         value={this.props.value}
+        maximumValue={this.props.maximumValue}
+        minimumValue={this.props.minimumValue}
         onChange={this._onValueChange}
       />
     );
@@ -94,8 +96,15 @@ var styles = StyleSheet.create({
   },
 });
 
+var validAttributes = {
+  ...ReactIOSViewAttributes.UIView,
+  value: true,
+  minimumValue: true,
+  maximumValue: true,
+};
+
 var RCTSlider = createReactIOSNativeComponentClass({
-  validAttributes: merge(ReactIOSViewAttributes.UIView, {value: true}),
+  validAttributes: validAttributes,
   uiViewClassName: 'RCTSlider',
 });
 
diff --git a/Libraries/Components/TextInput/TextInput.js b/Libraries/Components/TextInput/TextInput.js
index 0b30fd7a572741..dc29af70af5b1d 100644
--- a/Libraries/Components/TextInput/TextInput.js
+++ b/Libraries/Components/TextInput/TextInput.js
@@ -217,8 +217,6 @@ var TextInput = React.createClass({
      */
     onFocus: PropTypes.func,
     /**
-     * (text: string) => void
-     *
      * Callback that is called when the text input's text changes.
      */
     onChange: PropTypes.func,
diff --git a/Libraries/Components/Touchable/TouchableBounce.js b/Libraries/Components/Touchable/TouchableBounce.js
index d575657e9e3928..ffcc8e737c458c 100644
--- a/Libraries/Components/Touchable/TouchableBounce.js
+++ b/Libraries/Components/Touchable/TouchableBounce.js
@@ -14,7 +14,7 @@
 var NativeMethodsMixin = require('NativeMethodsMixin');
 var React = require('React');
 var POPAnimation = require('POPAnimation');
-var Animation = require('Animation');
+var AnimationExperimental = require('AnimationExperimental');
 var Touchable = require('Touchable');
 
 var merge = require('merge');
@@ -79,7 +79,7 @@ var TouchableBounce = React.createClass({
       this.state.animationID = POPAnimation.createSpringAnimation(anim);
       this.addAnimation(this.state.animationID, callback);
     } else {
-      Animation.startAnimation(this, 300, 0, 'easeOutBack', {scaleXY: [value, value]});
+      AnimationExperimental.startAnimation(this, 300, 0, 'easeOutBack', {scaleXY: [value, value]});
       if (fromValue && typeof fromValue === 'function') {
         callback = fromValue;
       }
diff --git a/Libraries/Components/Touchable/TouchableWithoutFeedback.js b/Libraries/Components/Touchable/TouchableWithoutFeedback.js
old mode 100644
new mode 100755
index 1b1178ebbe4ff9..cd9ea02fdf1517
--- a/Libraries/Components/Touchable/TouchableWithoutFeedback.js
+++ b/Libraries/Components/Touchable/TouchableWithoutFeedback.js
@@ -13,7 +13,6 @@
 
 var React = require('React');
 var Touchable = require('Touchable');
-
 var onlyChild = require('onlyChild');
 
 /**
@@ -78,10 +77,8 @@ var TouchableWithoutFeedback = React.createClass({
   },
 
   render: function(): ReactElement {
-    // Note(vjeux): use cloneWithProps once React has been upgraded
-    var child = onlyChild(this.props.children);
     // Note(avik): remove dynamic typecast once Flow has been upgraded
-    return (React: any).cloneElement(child, {
+    return (React: any).cloneElement(onlyChild(this.props.children), {
       accessible: true,
       testID: this.props.testID,
       onStartShouldSetResponder: this.touchableHandleStartShouldSetResponder,
diff --git a/Libraries/Components/View/View.js b/Libraries/Components/View/View.js
index e34c13883caf23..c981e41294b486 100644
--- a/Libraries/Components/View/View.js
+++ b/Libraries/Components/View/View.js
@@ -7,6 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule View
+ * @flow
  */
 'use strict';
 
diff --git a/Libraries/CustomComponents/ListView/ListViewDataSource.js b/Libraries/CustomComponents/ListView/ListViewDataSource.js
index 2f575976886e70..8e8000781c96c3 100644
--- a/Libraries/CustomComponents/ListView/ListViewDataSource.js
+++ b/Libraries/CustomComponents/ListView/ListViewDataSource.js
@@ -32,38 +32,6 @@ var invariant = require('invariant');
 var isEmpty = require('isEmpty');
 var warning = require('warning');
 
-/**
- * ListViewDataSource - Provides efficient data processing and access to the
- * ListView component.  A ListViewDataSource is created with functions for
- * extracting data from the input blob, and comparing elements (with default
- * implementations for convenience).  The input blob can be as simple as an
- * array of strings, or an object with rows nested inside section objects.
- *
- * To update the data in the datasource, use `cloneWithRows` (or
- * `cloneWithRowsAndSections` if you care about sections).  The data in the
- * data source is immutable, so you can't modify it directly.  The clone methods
- * suck in the new data and compute a diff for each row so ListView knows
- * whether to re-render it or not.
- *
- * In this example, a component receives data in chunks, handled by
- * `_onDataArrived`, which concats the new data onto the old data and updates the
- * data source.  We use `concat` to create a new array - mutating `this._data`,
- * e.g. with `this._data.push(newRowData)`, would be an error. `_rowHasChanged`
- * understands the shape of the row data and knows how to efficiently compare
- * it.
- *
- *   getInitialState: function() {
- *     var ds = new ListViewDataSource({rowHasChanged: this._rowHasChanged});
- *     return {ds};
- *   },
- *   _onDataArrived(newData) {
- *     this._data = this._data.concat(newData);
- *     this.setState({
- *       ds: this.state.ds.cloneWithRows(this._data)
- *     });
- *   }
- */
-
 function defaultGetRowData(
   dataBlob: any,
   sectionID: number | string,
@@ -88,15 +56,58 @@ type ParamType = {
   getSectionHeaderData: ?typeof defaultGetSectionHeaderData;
 }
 
+/**
+ * Provides efficient data processing and access to the
+ * `ListView` component.  A `ListViewDataSource` is created with functions for
+ * extracting data from the input blob, and comparing elements (with default
+ * implementations for convenience).  The input blob can be as simple as an
+ * array of strings, or an object with rows nested inside section objects.
+ *
+ * To update the data in the datasource, use `cloneWithRows` (or
+ * `cloneWithRowsAndSections` if you care about sections).  The data in the
+ * data source is immutable, so you can't modify it directly.  The clone methods
+ * suck in the new data and compute a diff for each row so ListView knows
+ * whether to re-render it or not.
+ *
+ * In this example, a component receives data in chunks, handled by
+ * `_onDataArrived`, which concats the new data onto the old data and updates the
+ * data source.  We use `concat` to create a new array - mutating `this._data`,
+ * e.g. with `this._data.push(newRowData)`, would be an error. `_rowHasChanged`
+ * understands the shape of the row data and knows how to efficiently compare
+ * it.
+ *
+ * ```
+ * getInitialState: function() {
+ *   var ds = new ListViewDataSource({rowHasChanged: this._rowHasChanged});
+ *   return {ds};
+ * },
+ * _onDataArrived(newData) {
+ *   this._data = this._data.concat(newData);
+ *   this.setState({
+ *     ds: this.state.ds.cloneWithRows(this._data)
+ *   });
+ * }
+ * ```
+ */
+
 class ListViewDataSource {
 
   /**
-   * @param {ParamType} params
-   *
-   * You can provide custom extraction and 'hasChanged' functions for section
+   * You can provide custom extraction and `hasChanged` functions for section
    * headers and rows.  If absent, data will be extracted with the
    * `defaultGetRowData` and `defaultGetSectionHeaderData` functions.
    *
+   * The default extractor expects data of one of the following forms:
+   *
+   *      { sectionID_1: { rowID_1: <rowData1>, ... }, ... }
+   *
+   *    or
+   *
+   *      [ [ <rowData1>, <rowData2>, ... ], ... ]
+   *
+   * The constructor takes in a params argument that can contain any of the
+   * following:
+   *
    * - getRowData(dataBlob, sectionID, rowID);
    * - getSectionHeaderData(dataBlob, sectionID);
    * - rowHasChanged(prevRowData, nextRowData);
@@ -125,14 +136,25 @@ class ListViewDataSource {
   }
 
   /**
-  * @param {object} dataBlob -- This is an arbitrary blob of data. An extractor
-  *    function was defined at construction time.  The default extractor assumes
-  *    the data is a plain array or keyed object.
-  */
-  cloneWithRows(
-    dataBlob: Array<any> | {[key: string]: any},
-    rowIdentities: ?Array<string>
-  ): ListViewDataSource {
+   * Clones this `ListViewDataSource` with the specified `dataBlob` and
+   * `rowIdentities`. The `dataBlob` is just an aribitrary blob of data. At
+   * construction an extractor to get the interesting informatoin was defined
+   * (or the default was used).
+   *
+   * The `rowIdentities` is is a 2D array of identifiers for rows.
+   * ie. [['a1', 'a2'], ['b1', 'b2', 'b3'], ...].  If not provided, it's
+   * assumed that the keys of the section data are the row identities.
+   *
+   * Note: This function does NOT clone the data in this data source. It simply
+   * passes the functions defined at construction to a new data source with
+   * the data specified. If you wish to maintain the existing data you must
+   * handle merging of old and new data separately and then pass that into
+   * this function as the `dataBlob`.
+   */
+   cloneWithRows(
+       dataBlob: Array<any> | {[key: string]: any},
+       rowIdentities: ?Array<string>
+   ): ListViewDataSource {
     var rowIds = rowIdentities ? [rowIdentities] : null;
     if (!this._sectionHeaderHasChanged) {
       this._sectionHeaderHasChanged = () => false;
@@ -141,29 +163,20 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {object} dataBlob -- This is an arbitrary blob of data. An extractor
-   *    function was defined at construction time.  The default extractor assumes
-   *    the data is a nested array or keyed object of the form:
-   *
-   *      { sectionID_1: { rowID_1: <rowData1>, ... }, ... }
-   *
-   *    or
+   * This performs the same function as the `cloneWithRows` function but here
+   * you also specify what your `sectionIdentities` are. If you don't care
+   * about sections you should safely be able to use `cloneWithRows`.
    *
-   *      [ [ <rowData1>, <rowData2>, ... ], ... ]
-   *
-   * @param {array} sectionIdentities -- This is an array of identifiers for
-   *    sections. ie. ['s1', 's2', ...].  If not provided, it's assumed that the
-   *    keys of dataBlob are the section identities.
-   * @param {array} rowIdentities -- This is a 2D array of identifiers for rows.
-   *    ie. [['a1', 'a2'], ['b1', 'b2', 'b3'], ...].  If not provided, it's
-   *    assumed that the keys of the section data are the row identities.
+   * `sectionIdentities` is an array of identifiers for  sections.
+   * ie. ['s1', 's2', ...].  If not provided, it's assumed that the
+   * keys of dataBlob are the section identities.
    *
    * Note: this returns a new object!
    */
   cloneWithRowsAndSections(
-    dataBlob: any,
-    sectionIdentities: ?Array<string>,
-    rowIdentities: ?Array<Array<string>>
+      dataBlob: any,
+      sectionIdentities: ?Array<string>,
+      rowIdentities: ?Array<Array<string>>
   ): ListViewDataSource {
     invariant(
       typeof this._sectionHeaderHasChanged === 'function',
@@ -205,9 +218,6 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {number} sectionIndex
-   * @param {number} rowIndex
-   *
    * Returns if the row is dirtied and needs to be rerendered
    */
   rowShouldUpdate(sectionIndex: number, rowIndex: number): bool {
@@ -218,9 +228,6 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {number} sectionIndex
-   * @param {number} rowIndex
-   *
    * Gets the data required to render the row.
    */
   getRowData(sectionIndex: number, rowIndex: number): any {
@@ -234,8 +241,6 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {number} index
-   *
    * Gets the rowID at index provided if the dataSource arrays were flattened,
    * or null of out of range indexes.
    */
@@ -252,8 +257,6 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {number} index
-   *
    * Gets the sectionID at index provided if the dataSource arrays were flattened,
    * or null for out of range indexes.
    */
@@ -281,8 +284,6 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {number} sectionIndex
-   *
    * Returns if the section header is dirtied and needs to be rerendered
    */
   sectionHeaderShouldUpdate(sectionIndex: number): bool {
@@ -293,8 +294,6 @@ class ListViewDataSource {
   }
 
   /**
-   * @param {number} sectionIndex
-   *
    * Gets the data required to render the section header
    */
   getSectionHeaderData(sectionIndex: number): any {
diff --git a/Libraries/CustomComponents/Navigator/Navigator.js b/Libraries/CustomComponents/Navigator/Navigator.js
index acf9b383fe36ab..89f3b49c23193c 100644
--- a/Libraries/CustomComponents/Navigator/Navigator.js
+++ b/Libraries/CustomComponents/Navigator/Navigator.js
@@ -54,8 +54,6 @@ var SCREEN_HEIGHT = Dimensions.get('window').height;
 
 var OFF_SCREEN = {style: {opacity: 0}};
 
-var NAVIGATION_BAR_REF = 'navigationBar_ref';
-
 var __uid = 0;
 function getuid() {
   return __uid++;
@@ -94,6 +92,12 @@ var styles = StyleSheet.create({
   }
 });
 
+var GESTURE_ACTIONS = [
+  'pop',
+  'jumpBack',
+  'jumpForward',
+];
+
 /**
  * Use `Navigator` to transition between different scenes in your app. To
  * accomplish this, provide route objects to the navigator to identify each
@@ -314,6 +318,7 @@ var Navigator = React.createClass({
       popToRoute: this.popToRoute,
       popToTop: this.popToTop,
       parentNavigator: this.props.navigator,
+      getCurrentRoutes: this.getCurrentRoutes,
       // We want to bubble focused routes to the top navigation stack. If we
       // are a child navigator, this allows us to call props.navigator.on*Focus
       // of the topmost Navigator
@@ -457,15 +462,18 @@ var Navigator = React.createClass({
   _completeTransition: function() {
     if (this.spring.getCurrentValue() === 1) {
       var presentedIndex = this.state.toIndex;
-      this.state.fromIndex = presentedIndex;
       this.state.presentedIndex = presentedIndex;
+      this.state.fromIndex = presentedIndex;
       this._emitDidFocus(presentedIndex);
       this._removePoppedRoutes();
       if (AnimationsDebugModule) {
         AnimationsDebugModule.stopRecordingFps(Date.now());
       }
-      this._hideOtherScenes(presentedIndex);
+    } else {
+      this.state.fromIndex = this.state.presentedIndex;
+      this.state.toIndex = this.state.presentedIndex;
     }
+    this._hideOtherScenes(presentedIndex);
   },
 
   _transitionToToIndexWithVelocity: function(v) {
@@ -499,6 +507,10 @@ var Navigator = React.createClass({
 
   _emitWillFocus: function(index) {
     var route = this.state.routeStack[index];
+    var navBar = this._navBar;
+    if (navBar && navBar.handleWillFocus) {
+      navBar.handleWillFocus(route);
+    }
     if (this.props.onWillFocus) {
       this.props.onWillFocus(route);
     } else if (this.props.navigator && this.props.navigator.onWillFocus) {
@@ -532,95 +544,170 @@ var Navigator = React.createClass({
 
   _handleMoveShouldSetPanResponder: function(e, gestureState) {
     var currentRoute = this.state.routeStack[this.state.presentedIndex];
-    var animationConfig = this.state.sceneConfigStack[this.state.presentedIndex];
-    if (!animationConfig.enableGestures) {
-      return false;
-    }
-    var currentLoc = animationConfig.isVertical ? gestureState.moveY : gestureState.moveX;
-    var travelDist = animationConfig.isVertical ? gestureState.dy : gestureState.dx;
-    var oppositeAxisTravelDist =
-      animationConfig.isVertical ? gestureState.dx : gestureState.dy;
-    var moveStartedInRegion = currentLoc < animationConfig.edgeHitWidth;
-    var moveTravelledFarEnough =
-      travelDist >= animationConfig.gestureDetectMovement &&
-      travelDist > oppositeAxisTravelDist * animationConfig.directionRatio;
-    return (
-      !this.state.isResponderOnlyToBlockTouches &&
-      moveStartedInRegion &&
-      !this.state.isAnimating &&
-      this.state.presentedIndex > 0 &&
-      moveTravelledFarEnough
-    );
+    var sceneConfig = this.state.sceneConfigStack[this.state.presentedIndex];
+    this._expectingGestureGrant = this._matchGestureAction(sceneConfig.gestures, gestureState);
+    return !! this._expectingGestureGrant;
+  },
+
+  _doesGestureOverswipe: function(gestureName) {
+    var wouldOverswipeBack = this.state.presentedIndex <= 0 &&
+      (gestureName === 'pop' || gestureName === 'jumpBack');
+    var wouldOverswipeForward = this.state.presentedIndex >= this.state.routeStack.length - 1 &&
+      gestureName === 'jumpForward';
+    return wouldOverswipeForward || wouldOverswipeBack;
   },
 
   _handlePanResponderGrant: function(e, gestureState) {
+    invariant(
+      this._expectingGestureGrant,
+      'Responder granted unexpectedly.'
+    );
+    this._activeGestureAction = this._expectingGestureGrant;
+    this._expectingGestureGrant = null;
     this.state.isResponderOnlyToBlockTouches = this.state.isAnimating;
     if (!this.state.isAnimating) {
       this.state.fromIndex = this.state.presentedIndex;
-      this.state.toIndex = this.state.presentedIndex - 1;
+      var gestureSceneDelta = this._deltaForGestureAction(this._activeGestureAction);
+      this.state.toIndex = this.state.presentedIndex + gestureSceneDelta;
+    }
+  },
+
+  _deltaForGestureAction: function(gestureAction) {
+    switch (gestureAction) {
+      case 'pop':
+      case 'jumpBack':
+        return -1;
+      case 'jumpForward':
+        return 1;
+      default:
+        invariant(false, 'Unsupported gesture action ' + gestureAction);
+        return;
     }
   },
 
   _handlePanResponderRelease: function(e, gestureState) {
+    var sceneConfig = this.state.sceneConfigStack[this.state.presentedIndex];
+    var releaseGestureAction = this._activeGestureAction;
+    this._activeGestureAction = null;
     if (this.state.isResponderOnlyToBlockTouches) {
       this.state.isResponderOnlyToBlockTouches = false;
       return;
     }
-    var animationConfig = this.state.sceneConfigStack[this.state.presentedIndex];
-    var velocity = animationConfig.isVertical ? gestureState.vy : gestureState.vx;
-    // It's not the real location. There is no *real* location - that's the
-    // point of the pan gesture.
-    var pseudoLocation = animationConfig.isVertical ?
-      gestureState.y0 + gestureState.dy :
-      gestureState.x0 + gestureState.dx;
-    var still = Math.abs(velocity) < animationConfig.notMoving;
+    var releaseGesture = sceneConfig.gestures[releaseGestureAction];
     if (this.spring.getCurrentValue() === 0) {
+      // The spring is at zero, so the gesture is already complete
       this.spring.setCurrentValue(0).setAtRest();
       this._completeTransition();
       return;
     }
-    var transitionVelocity =
-      still && animationConfig.pastPointOfNoReturn(pseudoLocation) ? animationConfig.snapVelocity :
-      still && !animationConfig.pastPointOfNoReturn(pseudoLocation) ? -animationConfig.snapVelocity :
-      clamp(-10, velocity, 10);  // What are Rebound UoM?
-
+    var isTravelVertical = releaseGesture.direction === 'top-to-bottom' || releaseGesture.direction === 'bottom-to-top';
+    var isTravelInverted = releaseGesture.direction === 'right-to-left' || releaseGesture.direction === 'bottom-to-top';
+    var velocity, gestureDistance;
+    if (isTravelVertical) {
+      velocity = isTravelInverted ? -gestureState.vy : gestureState.vy;
+      gestureDistance = isTravelInverted ? -gestureState.dy : gestureState.dy;
+    } else {
+      velocity = isTravelInverted ? -gestureState.vx : gestureState.vx;
+      gestureDistance = isTravelInverted ? -gestureState.dx : gestureState.dx;
+    }
+    var transitionVelocity = clamp(-10, velocity, 10);
+    if (Math.abs(velocity) < releaseGesture.notMoving) {
+      // The gesture velocity is so slow, is "not moving"
+      var hasGesturedEnoughToComplete = gestureDistance > releaseGesture.fullDistance * releaseGesture.stillCompletionRatio;
+      transitionVelocity = hasGesturedEnoughToComplete ? releaseGesture.snapVelocity : -releaseGesture.snapVelocity;
+    }
     this.spring.setOvershootClampingEnabled(true);
-    if (transitionVelocity < 0) {
+    if (transitionVelocity < 0 || this._doesGestureOverswipe(releaseGestureAction)) {
       this._transitionToFromIndexWithVelocity(transitionVelocity);
     } else {
-      this._manuallyPopBackstack(1);
       this._transitionToToIndexWithVelocity(transitionVelocity);
     }
   },
 
   _handlePanResponderTerminate: function(e, gestureState) {
+    this._activeGestureAction = null;
     this.state.isResponderOnlyToBlockTouches = false;
     this._transitionToFromIndexWithVelocity(0);
   },
 
   _handlePanResponderMove: function(e, gestureState) {
     if (!this.state.isResponderOnlyToBlockTouches) {
-      var animationConfig = this.state.sceneConfigStack[this.state.presentedIndex];
-      var distance = animationConfig.isVertical ? gestureState.dy : gestureState.dx;
-      var gestureDetectMovement = animationConfig.gestureDetectMovement;
+      var sceneConfig = this.state.sceneConfigStack[this.state.presentedIndex];
+      var gesture = sceneConfig.gestures[this._activeGestureAction];
+      var isTravelVertical = gesture.direction === 'top-to-bottom' || gesture.direction === 'bottom-to-top';
+      var isTravelInverted = gesture.direction === 'right-to-left' || gesture.direction === 'bottom-to-top';
+      var distance = isTravelVertical ? gestureState.dy : gestureState.dx;
+      distance = isTravelInverted ? - distance : distance;
+      var gestureDetectMovement = gesture.gestureDetectMovement;
       var nextProgress = (distance - gestureDetectMovement) /
-        (animationConfig.screenDimension - gestureDetectMovement);
+        (gesture.fullDistance - gestureDetectMovement);
+      if (this._doesGestureOverswipe(this._activeGestureAction)) {
+        var frictionConstant = gesture.overswipe.frictionConstant;
+        var frictionByDistance = gesture.overswipe.frictionByDistance;
+        var frictionRatio = 1 / ((frictionConstant) + (Math.abs(nextProgress) * frictionByDistance));
+        nextProgress *= frictionRatio;
+      }
       this.spring.setCurrentValue(clamp(0, nextProgress, 1));
     }
   },
 
+  _matchGestureAction: function(gestures, gestureState) {
+    if (!gestures) {
+      return null;
+    }
+    if (this.state.isResponderOnlyToBlockTouches || this.state.isAnimating) {
+      return null;
+    }
+    var matchedGesture = null;
+    GESTURE_ACTIONS.some((gestureName) => {
+      var gesture = gestures[gestureName];
+      if (!gesture) {
+        return;
+      }
+      if (gesture.overswipe == null && this._doesGestureOverswipe(gestureName)) {
+        // cannot swipe past first or last scene without overswiping
+        return false;
+      }
+      var isTravelVertical = gesture.direction === 'top-to-bottom' || gesture.direction === 'bottom-to-top';
+      var isTravelInverted = gesture.direction === 'right-to-left' || gesture.direction === 'bottom-to-top';
+      var currentLoc = isTravelVertical ? gestureState.moveY : gestureState.moveX;
+      var travelDist = isTravelVertical ? gestureState.dy : gestureState.dx;
+      var oppositeAxisTravelDist =
+        isTravelVertical ? gestureState.dx : gestureState.dy;
+      if (isTravelInverted) {
+        currentLoc = -currentLoc;
+        travelDist = -travelDist;
+        oppositeAxisTravelDist = -oppositeAxisTravelDist;
+      }
+      var moveStartedInRegion = gesture.edgeHitWidth == null ||
+        currentLoc < gesture.edgeHitWidth;
+      var moveTravelledFarEnough =
+        travelDist >= gesture.gestureDetectMovement &&
+        travelDist > oppositeAxisTravelDist * gesture.directionRatio;
+      if (moveStartedInRegion && moveTravelledFarEnough) {
+        matchedGesture = gestureName;
+        return true;
+      }
+    });
+    return matchedGesture;
+  },
+
   _transitionSceneStyle: function(fromIndex, toIndex, progress, index) {
     var viewAtIndex = this.refs['scene_' + index];
     if (viewAtIndex === null || viewAtIndex === undefined) {
       return;
     }
     // Use toIndex animation when we move forwards. Use fromIndex when we move back
-    var animationIndex = this.state.presentedIndex < toIndex ? toIndex : fromIndex;
-    var animationConfig = this.state.sceneConfigStack[animationIndex];
+    var sceneConfigIndex = this.state.presentedIndex < toIndex ? toIndex : fromIndex;
+    var sceneConfig = this.state.sceneConfigStack[sceneConfigIndex];
+    // this happens for overswiping when there is no scene at toIndex
+    if (!sceneConfig) {
+      sceneConfig = this.state.sceneConfigStack[sceneConfigIndex - 1];
+    }
     var styleToUse = {};
     var useFn = index < fromIndex || index < toIndex ?
-      animationConfig.interpolators.out :
-      animationConfig.interpolators.into;
+      sceneConfig.animationInterpolators.out :
+      sceneConfig.animationInterpolators.into;
     var directionAdjustedProgress = fromIndex < toIndex ? progress : 1 - progress;
     var didChange = useFn(styleToUse, directionAdjustedProgress);
     if (didChange) {
@@ -631,7 +718,7 @@ var Navigator = React.createClass({
   _transitionBetween: function(fromIndex, toIndex, progress) {
     this._transitionSceneStyle(fromIndex, toIndex, progress, fromIndex);
     this._transitionSceneStyle(fromIndex, toIndex, progress, toIndex);
-    var navBar = this.refs[NAVIGATION_BAR_REF];
+    var navBar = this._navBar;
     if (navBar && navBar.updateProgress) {
       navBar.updateProgress(progress, fromIndex, toIndex);
     }
@@ -912,6 +999,10 @@ var Navigator = React.createClass({
     }
   },
 
+  getCurrentRoutes: function() {
+    return this.state.routeStack;
+  },
+
   _onItemRef: function(itemId, ref) {
     this._itemRefs[itemId] = ref;
     var itemIndex = this.state.idStack.indexOf(itemId);
@@ -989,7 +1080,7 @@ var Navigator = React.createClass({
       return null;
     }
     return React.cloneElement(this.props.navigationBar, {
-      ref: NAVIGATION_BAR_REF,
+      ref: (navBar) => { this._navBar = navBar; },
       navigator: this.navigatorActions,
       navState: this.state,
     });
diff --git a/Libraries/CustomComponents/Navigator/NavigatorSceneConfigs.js b/Libraries/CustomComponents/Navigator/NavigatorSceneConfigs.js
index 89e5de9e16e54c..3072074b2a9ecd 100644
--- a/Libraries/CustomComponents/Navigator/NavigatorSceneConfigs.js
+++ b/Libraries/CustomComponents/Navigator/NavigatorSceneConfigs.js
@@ -30,7 +30,6 @@ var Dimensions = require('Dimensions');
 var PixelRatio = require('PixelRatio');
 
 var buildStyleInterpolator = require('buildStyleInterpolator');
-var merge = require('merge');
 
 var SCREEN_WIDTH = Dimensions.get('window').width;
 var SCREEN_HEIGHT = Dimensions.get('window').height;
@@ -220,32 +219,12 @@ var FromTheFront = {
   },
 };
 
-
-var Interpolators = {
-  Vertical: {
-    into: buildStyleInterpolator(FromTheFront),
-    out: buildStyleInterpolator(ToTheBack),
-  },
-  Horizontal: {
-    into: buildStyleInterpolator(FromTheRight),
-    out: buildStyleInterpolator(ToTheLeft),
-  },
-};
-
-
-// These are meant to mimic iOS default behavior
-var PastPointOfNoReturn = {
-  horizontal: function(location) {
-    return location > SCREEN_WIDTH * 3 / 5;
-  },
-  vertical: function(location) {
-    return location > SCREEN_HEIGHT * 3 / 5;
-  },
+var BaseOverswipeConfig = {
+  frictionConstant: 1,
+  frictionByDistance: 1.5,
 };
 
-var BaseConfig = {
-  // When false, all gestures are ignored for this scene
-  enableGestures: true,
+var BaseLeftToRightGesture = {
 
   // How far the swipe must drag to start transitioning
   gestureDetectMovement: 2,
@@ -253,48 +232,88 @@ var BaseConfig = {
   // Amplitude of release velocity that is considered still
   notMoving: 0.3,
 
-  // Velocity to start at when transitioning without gesture
-  defaultTransitionVelocity: 1.5,
-
   // Fraction of directional move required.
   directionRatio: 0.66,
 
   // Velocity to transition with when the gesture release was "not moving"
   snapVelocity: 2,
 
-  // Rebound spring parameters when transitioning FROM this scene
-  springFriction: 26,
-  springTension: 200,
+  // Region that can trigger swipe. iOS default is 30px from the left edge
+  edgeHitWidth: 30,
 
-  // Defaults for horizontal transitioning:
+  // Ratio of gesture completion when non-velocity release will cause action
+  stillCompletionRatio: 3 / 5,
 
-  isVertical: false,
-  screenDimension: SCREEN_WIDTH,
+  fullDistance: SCREEN_WIDTH,
 
-  // Region that can trigger swipe. iOS default is 30px from the left edge
-  edgeHitWidth: 30,
+  direction: 'left-to-right',
+
+};
+
+var BaseRightToLeftGesture = {
+  ...BaseLeftToRightGesture,
+  direction: 'right-to-left',
+};
+
+var BaseConfig = {
+  // A list of all gestures that are enabled on this scene
+  gestures: {
+    pop: BaseLeftToRightGesture,
+  },
+
+  // Rebound spring parameters when transitioning FROM this scene
+  springFriction: 26,
+  springTension: 200,
 
-  // Point at which a non-velocity release will cause nav pop
-  pastPointOfNoReturn: PastPointOfNoReturn.horizontal,
+  // Velocity to start at when transitioning without gesture
+  defaultTransitionVelocity: 1.5,
 
-  // Animation interpolators for this transition
-  interpolators: Interpolators.Horizontal,
+  // Animation interpolators for horizontal transitioning:
+  animationInterpolators: {
+    into: buildStyleInterpolator(FromTheRight),
+    out: buildStyleInterpolator(ToTheLeft),
+  },
 };
 
 var NavigatorSceneConfigs = {
-  PushFromRight: merge(BaseConfig, {
+  PushFromRight: {
+    ...BaseConfig,
     // We will want to customize this soon
-  }),
-  FloatFromRight: merge(BaseConfig, {
+  },
+  FloatFromRight: {
+    ...BaseConfig,
     // We will want to customize this soon
-  }),
-  FloatFromBottom: merge(BaseConfig, {
-    edgeHitWidth: 150,
-    interpolators: Interpolators.Vertical,
-    isVertical: true,
-    pastPointOfNoReturn: PastPointOfNoReturn.vertical,
-    screenDimension: SCREEN_HEIGHT,
-  }),
+  },
+  FloatFromBottom: {
+    ...BaseConfig,
+    gestures: {
+      pop: {
+        ...BaseLeftToRightGesture,
+        edgeHitWidth: 150,
+        direction: 'top-to-bottom',
+        fullDistance: SCREEN_HEIGHT,
+      }
+    },
+    animationInterpolators: {
+      into: buildStyleInterpolator(FromTheFront),
+      out: buildStyleInterpolator(ToTheBack),
+    },
+  },
+  HorizontalSwipeJump: {
+    ...BaseConfig,
+    gestures: {
+      jumpBack: {
+        ...BaseLeftToRightGesture,
+        overswipe: BaseOverswipeConfig,
+        edgeHitWidth: null,
+      },
+      jumpForward: {
+        ...BaseRightToLeftGesture,
+        overswipe: BaseOverswipeConfig,
+        edgeHitWidth: null,
+      },
+    }
+  }
 };
 
 module.exports = NavigatorSceneConfigs;
diff --git a/Libraries/Portal/Portal.js b/Libraries/Portal/Portal.js
deleted file mode 100644
index 762af36614c7b4..00000000000000
--- a/Libraries/Portal/Portal.js
+++ /dev/null
@@ -1,70 +0,0 @@
-/**
- * Copyright 2004-present Facebook. All Rights Reserved.
- *
- * @providesModule Portal
- * @flow
- */
-'use strict';
-
-var React = require('React');
-var StyleSheet = require('StyleSheet');
-var View = require('View');
-
-var _portalRef: any;
-
-/*
- * A container that renders all the modals on top of everything else in the application.
- *
- * Portal makes it possible for application code to pass modal views all the way up to
- * the root element created in `renderApplication`.
- *
- * Never use `<Portal>` in your code. There is only one Portal instance rendered
- * by the top-level `renderApplication`.
- */
-var Portal = React.createClass({
-  statics: {
-    showModal: function(component) {
-      if (!_portalRef) {
-        console.error('Calling showModal but no Portal has been rendered');
-        return;
-      }
-      _portalRef.setState({modal: component});
-    },
-
-    closeModal: function() {
-      if (!_portalRef) {
-        console.error('Calling closeModal but no Portal has been rendered');
-        return;
-      }
-      _portalRef.setState({modal: null});
-    },
-  },
-
-  getInitialState: function() {
-    return {modal: (null: any)};
-  },
-
-  render: function() {
-    _portalRef = this;
-    if (!this.state.modal) {
-      return <View />;
-    }
-    return (
-      <View style={styles.modalsContainer}>
-        {this.state.modal}
-      </View>
-    );
-  }
-});
-
-var styles = StyleSheet.create({
-  modalsContainer: {
-    position: 'absolute',
-    left: 0,
-    top: 0,
-    right: 0,
-    bottom: 0,
-  },
-});
-
-module.exports = Portal;
diff --git a/Libraries/ReactIOS/renderApplication.js b/Libraries/ReactIOS/renderApplication.ios.js
similarity index 59%
rename from Libraries/ReactIOS/renderApplication.js
rename to Libraries/ReactIOS/renderApplication.ios.js
index dbec1e853a5805..084390ac50057d 100644
--- a/Libraries/ReactIOS/renderApplication.js
+++ b/Libraries/ReactIOS/renderApplication.ios.js
@@ -11,10 +11,7 @@
  */
 'use strict';
 
-var Portal = require('Portal');
 var React = require('React');
-var StyleSheet = require('StyleSheet');
-var View = require('View');
 
 var invariant = require('invariant');
 
@@ -28,26 +25,11 @@ function renderApplication<D, P, S>(
     'Expect to have a valid rootTag, instead got ', rootTag
   );
   React.render(
-    <View style={styles.appContainer}>
-      <RootComponent
-        {...initialProps}
-      />
-      <Portal />
-    </View>,
+    <RootComponent
+      {...initialProps}
+    />,
     rootTag
   );
 }
 
-var styles = StyleSheet.create({
-  // This is needed so the application covers the whole screen
-  // and therefore the contents of the Portal are not clipped.
-  appContainer: {
-    position: 'absolute',
-    left: 0,
-    top: 0,
-    right: 0,
-    bottom: 0,
-  },
-});
-
 module.exports = renderApplication;
diff --git a/Libraries/Utilities/AlertIOS.js b/Libraries/Utilities/AlertIOS.js
index f9a8df60de9a85..de72d7b9f07306 100644
--- a/Libraries/Utilities/AlertIOS.js
+++ b/Libraries/Utilities/AlertIOS.js
@@ -20,32 +20,28 @@ var DEFAULT_BUTTON = {
 };
 
 /**
- * AlertIOS manages native iOS alerts, option sheets, and share dialogs
+ * Launches an alert dialog with the specified title and message.
+ *
+ * Optionally provide a list of buttons. Tapping any button will fire the
+ * respective onPress callback and dismiss the alert. By default, the only
+ * button will be an 'OK' button
+ *
+ * The last button in the list will be considered the 'Primary' button and
+ * it will appear bold.
+ *
+ * ```
+ * AlertIOS.alert(
+ *   'Foo Title',
+ *   'My Alert Msg',
+ *   [
+ *     {text: 'Foo', onPress: () => console.log('Foo Pressed!')},
+ *     {text: 'Bar', onPress: () => console.log('Bar Pressed!')},
+ *   ]
+ * )}
+ * ```
  */
 
 class AlertIOS {
-
-  /**
-   * Launches an alert dialog with the specified title and message.
-   *
-   * Optionally provide a list of buttons. Tapping any button will fire the
-   * respective onPress callback and dismiss the alert. By default, the only
-   * button will be an 'OK' button
-   *
-   * The last button in the list will be considered the 'Primary' button and
-   * it will appear bold.
-   *
-   * ```
-   * AlertIOS.alert(
-   *   'Foo Title',
-   *   'My Alert Msg',
-   *   [
-   *     {text: 'Foo', onPress: () => console.log('Foo Pressed!')},
-   *     {text: 'Bar', onPress: () => console.log('Bar Pressed!')},
-   *   ]
-   * )}
-   * ```
-   */
   static alert(
     title: ?string,
     message?: ?string,
diff --git a/Libraries/react-native/react-native.js b/Libraries/react-native/react-native.js
index 46148bd86d27e5..1aa978f46caab7 100644
--- a/Libraries/react-native/react-native.js
+++ b/Libraries/react-native/react-native.js
@@ -41,7 +41,6 @@ var ReactNative = Object.assign(Object.create(require('React')), {
 
   // APIs
   AlertIOS: require('AlertIOS'),
-  Animation: require('Animation'),
   AppRegistry: require('AppRegistry'),
   AppStateIOS: require('AppStateIOS'),
   AsyncStorage: require('AsyncStorage'),
diff --git a/React.podspec b/React.podspec
index 8abc2a5ba7ff26..65dc93eb099cb1 100644
--- a/React.podspec
+++ b/React.podspec
@@ -44,9 +44,9 @@ Pod::Spec.new do |s|
     ss.preserve_paths   = "Libraries/AdSupport/*.js"
   end
 
-  s.subspec 'RCTAnimation' do |ss|
+  s.subspec 'RCTAnimationExperimental' do |ss|
     ss.dependency         'React/Core'
-    ss.source_files     = "Libraries/Animation/*.{h,m}"
+    ss.source_files     = "Libraries/Animation/RCTAnimationExperimental*.{h,m}"
     ss.preserve_paths   = "Libraries/Animation/*.js"
   end
 
diff --git a/packager/README.md b/packager/README.md
index f85d148d1a46a4..8f9f649bf5ac17 100644
--- a/packager/README.md
+++ b/packager/README.md
@@ -99,7 +99,7 @@ middleware. Takes the following options:
 
 * `projectRoots` array (required): Is the roots where your JavaScript
   file will exist
-* `blacklistRE` regexp: Is a pattern to ignore certain paths from the
+* `blacklistRE` regexp: Is a patter to ignore certain paths from the
   packager
 * `polyfillModuleName` array: Paths to polyfills you want to be
   included at the start of the bundle
diff --git a/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/__tests__/DependencyGraph-test.js b/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/__tests__/DependencyGraph-test.js
index 5f6ec8822d6611..b6a978c632e97d 100644
--- a/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/__tests__/DependencyGraph-test.js
+++ b/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/__tests__/DependencyGraph-test.js
@@ -13,7 +13,7 @@ jest
   .dontMock('path')
   .dontMock('absolute-path')
   .dontMock('../docblock')
-  .dontMock('../../requirePattern')
+  .dontMock('../../replacePatterns')
   .setMock('../../../ModuleDescriptor', function(data) {return data;});
 
 describe('DependencyGraph', function() {
@@ -64,7 +64,7 @@ describe('DependencyGraph', function() {
       });
     });
 
-    pit('should get dependencies', function() {
+    pit('should get dependencies with deprecated assets', function() {
       var root = '/root';
       fs.__setMockFilesystem({
         'root': {
@@ -83,7 +83,7 @@ describe('DependencyGraph', function() {
       var dgraph = new DependencyGraph({
         roots: [root],
         fileWatcher: fileWatcher,
-        assetRoots: ['/root/imgs']
+        assetRoots_DEPRECATED: ['/root/imgs'],
       });
       return dgraph.load().then(function() {
         expect(dgraph.getOrderedDependencies('/root/index.js'))
@@ -98,6 +98,97 @@ describe('DependencyGraph', function() {
       });
     });
 
+    pit('should get dependencies with relative assets', function() {
+      var root = '/root';
+      fs.__setMockFilesystem({
+        'root': {
+          'index.js': [
+            '/**',
+            ' * @providesModule index',
+            ' */',
+            'require("./imgs/a.png")'
+          ].join('\n'),
+          'imgs': {
+            'a.png': ''
+          },
+          'package.json': JSON.stringify({
+            name: 'rootPackage'
+          }),
+        }
+      });
+
+      var dgraph = new DependencyGraph({
+        roots: [root],
+        fileWatcher: fileWatcher,
+      });
+      return dgraph.load().then(function() {
+        expect(dgraph.getOrderedDependencies('/root/index.js'))
+          .toEqual([
+            {
+              id: 'index',
+              altId: 'rootPackage/index',
+              path: '/root/index.js',
+              dependencies: ['./imgs/a.png']
+            },
+            {  id: 'rootPackage/imgs/a.png',
+               path: '/root/imgs/a.png',
+               dependencies: [],
+               isAsset: true
+            },
+          ]);
+      });
+    });
+
+    pit('Deprecated and relative assets can live together', function() {
+      var root = '/root';
+      fs.__setMockFilesystem({
+        'root': {
+          'index.js': [
+            '/**',
+            ' * @providesModule index',
+            ' */',
+            'require("./imgs/a.png")',
+            'require("image!a")',
+          ].join('\n'),
+          'imgs': {
+            'a.png': ''
+          },
+          'package.json': JSON.stringify({
+            name: 'rootPackage'
+          }),
+        }
+      });
+
+      var dgraph = new DependencyGraph({
+        roots: [root],
+        fileWatcher: fileWatcher,
+        assetRoots_DEPRECATED: ['/root/imgs'],
+      });
+      return dgraph.load().then(function() {
+        expect(dgraph.getOrderedDependencies('/root/index.js'))
+          .toEqual([
+            {
+              id: 'index',
+              altId: 'rootPackage/index',
+              path: '/root/index.js',
+              dependencies: ['./imgs/a.png', 'image!a']
+            },
+            {
+              id: 'rootPackage/imgs/a.png',
+              path: '/root/imgs/a.png',
+              dependencies: [],
+              isAsset: true
+            },
+            {
+              id: 'image!a',
+              path: '/root/imgs/a.png',
+              dependencies: [],
+              isAsset: true
+            },
+          ]);
+      });
+    });
+
     pit('should get recursive dependencies', function() {
       var root = '/root';
       fs.__setMockFilesystem({
@@ -821,7 +912,7 @@ describe('DependencyGraph', function() {
       });
     });
 
-    pit('updates module dependencies on asset add', function() {
+    pit('updates module dependencies on deprecated asset add', function() {
       var root = '/root';
       var filesystem = fs.__setMockFilesystem({
         'root': {
@@ -836,7 +927,7 @@ describe('DependencyGraph', function() {
 
       var dgraph = new DependencyGraph({
         roots: [root],
-        assetRoots: [root],
+        assetRoots_DEPRECATED: [root],
         assetExts: ['png'],
         fileWatcher: fileWatcher
       });
@@ -870,6 +961,57 @@ describe('DependencyGraph', function() {
       });
     });
 
+    pit('updates module dependencies on relative asset add', function() {
+      var root = '/root';
+      var filesystem = fs.__setMockFilesystem({
+        'root': {
+          'index.js': [
+            '/**',
+            ' * @providesModule index',
+            ' */',
+            'require("./foo.png")'
+          ].join('\n'),
+          'package.json': JSON.stringify({
+            name: 'aPackage'
+          }),
+        },
+      });
+
+      var dgraph = new DependencyGraph({
+        roots: [root],
+        assetExts: ['png'],
+        fileWatcher: fileWatcher
+      });
+
+      return dgraph.load().then(function() {
+        expect(dgraph.getOrderedDependencies('/root/index.js'))
+          .toEqual([
+            { id: 'index', altId: 'aPackage/index',
+              path: '/root/index.js',
+              dependencies: ['./foo.png']
+            }
+          ]);
+
+        filesystem.root['foo.png'] = '';
+        triggerFileChange('add', 'foo.png', root);
+
+        return dgraph.load().then(function() {
+          expect(dgraph.getOrderedDependencies('/root/index.js'))
+            .toEqual([
+            { id: 'index', altId: 'aPackage/index',
+              path: '/root/index.js',
+              dependencies: ['./foo.png']
+            },
+            { id: 'aPackage/foo.png',
+              path: '/root/foo.png',
+              dependencies: [],
+              isAsset: true,
+            },
+          ]);
+        });
+      });
+    });
+
     pit('runs changes through ignore filter', function() {
       var root = '/root';
       var filesystem = fs.__setMockFilesystem({
diff --git a/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/index.js b/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/index.js
index 9ca430c49cd7a2..3348907f186d9b 100644
--- a/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/index.js
+++ b/packager/react-packager/src/DependencyResolver/haste/DependencyGraph/index.js
@@ -12,7 +12,7 @@ var ModuleDescriptor = require('../../ModuleDescriptor');
 var Promise = require('bluebird');
 var fs = require('fs');
 var docblock = require('./docblock');
-var requirePattern = require('../requirePattern');
+var replacePatterns = require('../replacePatterns');
 var path = require('path');
 var isAbsolutePath = require('absolute-path');
 var debug = require('debug')('DependecyGraph');
@@ -37,7 +37,7 @@ var validateOpts = declareOpts({
     type: 'object',
     required: true,
   },
-  assetRoots: {
+  assetRoots_DEPRECATED: {
     type: 'array',
     default: [],
   },
@@ -51,7 +51,7 @@ function DependecyGraph(options) {
   var opts = validateOpts(options);
 
   this._roots = opts.roots;
-  this._assetRoots = opts.assetRoots;
+  this._assetRoots_DEPRECATED = opts.assetRoots_DEPRECATED;
   this._assetExts = opts.assetExts;
   this._ignoreFilePath = opts.ignoreFilePath;
   this._fileWatcher = options.fileWatcher;
@@ -64,6 +64,10 @@ function DependecyGraph(options) {
   this._moduleById = Object.create(null);
   this._debugUpdateEvents = [];
 
+  this._moduleExtPattern = new RegExp(
+    '.' + ['js'].concat(this._assetExts).join('|') + '$'
+  );
+
   // Kick off the search process to precompute the dependency graph.
   this._init();
 }
@@ -75,7 +79,7 @@ DependecyGraph.prototype.load = function() {
 
   this._loading = Promise.all([
     this._search(),
-    this._buildAssetMap(),
+    this._buildAssetMap_DEPRECATED(),
   ]);
 
   return this._loading;
@@ -147,15 +151,15 @@ DependecyGraph.prototype.resolveDependency = function(
   fromModule,
   depModuleId
 ) {
-  if (this._assetMap != null) {
-    // Process asset requires.
+  if (this._assetMap_DEPRECATED != null) {
     var assetMatch = depModuleId.match(/^image!(.+)/);
+    // Process DEPRECATED global asset requires.
     if (assetMatch && assetMatch[1]) {
-      if (!this._assetMap[assetMatch[1]]) {
+      if (!this._assetMap_DEPRECATED[assetMatch[1]]) {
         debug('WARINING: Cannot find asset:', assetMatch[1]);
         return null;
       }
-      return this._assetMap[assetMatch[1]];
+      return this._assetMap_DEPRECATED[assetMatch[1]];
     }
   }
 
@@ -218,7 +222,11 @@ DependecyGraph.prototype.resolveDependency = function(
     //          fromModule.path: /x/y/z
     //          modulePath: /x/y/a/b
     var dir = path.dirname(fromModule.path);
-    modulePath = withExtJs(path.join(dir, depModuleId));
+    modulePath = path.join(dir, depModuleId);
+
+    if (this._assetExts.indexOf(extname(modulePath)) === -1) {
+      modulePath = withExtJs(modulePath);
+    }
 
     dep = this._graph[modulePath];
 
@@ -287,7 +295,7 @@ DependecyGraph.prototype._search = function() {
           return false;
         }
 
-        return filePath.match(/\.js$/);
+        return filePath.match(self._moduleExtPattern);
       });
 
       var processing = self._findAndProcessPackage(files, dir)
@@ -370,11 +378,21 @@ DependecyGraph.prototype._removePackageFromIndices = function(packageJson) {
  * Parse a module and update indices.
  */
 DependecyGraph.prototype._processModule = function(modulePath) {
+  var moduleData = { path: path.resolve(modulePath) };
+  var module;
+
+  if (this._assetExts.indexOf(extname(modulePath)) > -1) {
+    moduleData.id = this._lookupName(modulePath);
+    moduleData.isAsset = true;
+    moduleData.dependencies = [];
+    module = Promise.resolve(new ModuleDescriptor(moduleData));
+    this._updateGraphWithModule(module);
+  }
+
   var self = this;
   return readFile(modulePath, 'utf8')
     .then(function(content) {
       var moduleDocBlock = docblock.parseAsObject(content);
-      var moduleData = { path: path.resolve(modulePath) };
       if (moduleDocBlock.providesModule || moduleDocBlock.provides) {
         moduleData.id =
           moduleDocBlock.providesModule || moduleDocBlock.provides;
@@ -387,7 +405,7 @@ DependecyGraph.prototype._processModule = function(modulePath) {
       }
       moduleData.dependencies = extractRequires(content);
 
-      var module = new ModuleDescriptor(moduleData);
+      module = new ModuleDescriptor(moduleData);
       self._updateGraphWithModule(module);
       return module;
     });
@@ -497,8 +515,8 @@ DependecyGraph.prototype._processFileChange = function(
   this._debugUpdateEvents.push({event: eventType, path: filePath});
 
   if (this._assetExts.indexOf(extname(filePath)) > -1) {
-    this._processAssetChange(eventType, absPath);
-    return;
+    this._processAssetChange_DEPRECATED(eventType, absPath);
+    // Fall through because new-style assets are actually modules.
   }
 
   var isPackage = path.basename(filePath) === 'package.json';
@@ -554,27 +572,28 @@ DependecyGraph.prototype._getAbsolutePath = function(filePath) {
   return null;
 };
 
-DependecyGraph.prototype._buildAssetMap = function() {
-  if (this._assetRoots == null || this._assetRoots.length === 0) {
+DependecyGraph.prototype._buildAssetMap_DEPRECATED = function() {
+  if (this._assetRoots_DEPRECATED == null ||
+      this._assetRoots_DEPRECATED.length === 0) {
     return Promise.resolve();
   }
 
-  this._assetMap = Object.create(null);
-  return buildAssetMap(
-    this._assetRoots,
-    this._processAsset.bind(this)
+  this._assetMap_DEPRECATED = Object.create(null);
+  return buildAssetMap_DEPRECATED(
+    this._assetRoots_DEPRECATED,
+    this._processAsset_DEPRECATED.bind(this)
   );
 };
 
-DependecyGraph.prototype._processAsset = function(file) {
+DependecyGraph.prototype._processAsset_DEPRECATED = function(file) {
   var ext = extname(file);
   if (this._assetExts.indexOf(ext) !== -1) {
     var name = assetName(file, ext);
-    if (this._assetMap[name] != null) {
+    if (this._assetMap_DEPRECATED[name] != null) {
       debug('Conflcting assets', name);
     }
 
-    this._assetMap[name] = new ModuleDescriptor({
+    this._assetMap_DEPRECATED[name] = new ModuleDescriptor({
       id: 'image!' + name,
       path: path.resolve(file),
       isAsset: true,
@@ -583,18 +602,18 @@ DependecyGraph.prototype._processAsset = function(file) {
   }
 };
 
-DependecyGraph.prototype._processAssetChange = function(eventType, file) {
-  if (this._assetMap == null) {
+DependecyGraph.prototype._processAssetChange_DEPRECATED = function(eventType, file) {
+  if (this._assetMap_DEPRECATED == null) {
     return;
   }
 
   var name = assetName(file, extname(file));
   if (eventType === 'change' || eventType === 'delete') {
-    delete this._assetMap[name];
+    delete this._assetMap_DEPRECATED[name];
   }
 
   if (eventType === 'change' || eventType === 'add') {
-    this._processAsset(file);
+    this._processAsset_DEPRECATED(file);
   }
 };
 
@@ -609,7 +628,11 @@ function extractRequires(code) {
   code
     .replace(blockCommentRe, '')
     .replace(lineCommentRe, '')
-    .replace(requirePattern, function(match, _, dep) {
+    .replace(replacePatterns.IMPORT_RE, function(match, pre, quot, dep, post) {
+      deps.push(dep);
+      return match;
+    })
+    .replace(replacePatterns.REQUIRE_RE, function(match, pre, quot, dep, post) {
       deps.push(dep);
     });
 
@@ -669,7 +692,7 @@ function readAndStatDir(dir) {
  * Given a list of roots and list of extensions find all the files in
  * the directory with that extension and build a map of those assets.
  */
-function buildAssetMap(roots, processAsset) {
+function buildAssetMap_DEPRECATED(roots, processAsset) {
   var queue = roots.slice(0);
 
   function search() {
diff --git a/packager/react-packager/src/DependencyResolver/haste/__tests__/HasteDependencyResolver-test.js b/packager/react-packager/src/DependencyResolver/haste/__tests__/HasteDependencyResolver-test.js
index 2a24f2d137cebe..8620d488306426 100644
--- a/packager/react-packager/src/DependencyResolver/haste/__tests__/HasteDependencyResolver-test.js
+++ b/packager/react-packager/src/DependencyResolver/haste/__tests__/HasteDependencyResolver-test.js
@@ -10,7 +10,7 @@
 
 jest.dontMock('../')
     .dontMock('q')
-    .dontMock('../requirePattern')
+    .dontMock('../replacePatterns')
     .setMock('../../ModuleDescriptor', function(data) {return data;});
 
 var Promise = require('bluebird');
@@ -228,13 +228,148 @@ describe('HasteDependencyResolver', function() {
 
       var depGraph = depResolver._depGraph;
       var dependencies = ['x', 'y', 'z', 'a', 'b'];
+
+      /*eslint-disable */
       var code = [
+        "import'x';",
+        "import 'x';",
+        "import 'x' ;",
+        "import Default from 'x';",
+        "import * as All from 'x';",
+        "import {} from 'x';",
+        "import { } from 'x';",
+        "import {Foo} from 'x';",
+        "import { Foo } from 'x';",
+        "import { Foo, } from 'x';",
+        "import {Foo as Bar} from 'x';",
+        "import { Foo as Bar } from 'x';",
+        "import { Foo as Bar, } from 'x';",
+        "import { Foo, Bar } from 'x';",
+        "import { Foo, Bar, } from 'x';",
+        "import { Foo as Bar, Baz } from 'x';",
+        "import { Foo as Bar, Baz, } from 'x';",
+        "import { Foo, Bar as Baz } from 'x';",
+        "import { Foo, Bar as Baz, } from 'x';",
+        "import { Foo as Bar, Baz as Qux } from 'x';",
+        "import { Foo as Bar, Baz as Qux, } from 'x';",
+        "import { Foo, Bar, Baz } from 'x';",
+        "import { Foo, Bar, Baz, } from 'x';",
+        "import { Foo as Bar, Baz, Qux } from 'x';",
+        "import { Foo as Bar, Baz, Qux, } from 'x';",
+        "import { Foo, Bar as Baz, Qux } from 'x';",
+        "import { Foo, Bar as Baz, Qux, } from 'x';",
+        "import { Foo, Bar, Baz as Qux } from 'x';",
+        "import { Foo, Bar, Baz as Qux, } from 'x';",
+        "import { Foo as Bar, Baz as Qux, Norf } from 'x';",
+        "import { Foo as Bar, Baz as Qux, Norf, } from 'x';",
+        "import { Foo as Bar, Baz, Qux as Norf } from 'x';",
+        "import { Foo as Bar, Baz, Qux as Norf, } from 'x';",
+        "import { Foo, Bar as Baz, Qux as Norf } from 'x';",
+        "import { Foo, Bar as Baz, Qux as Norf, } from 'x';",
+        "import { Foo as Bar, Baz as Qux, Norf as Enuf } from 'x';",
+        "import { Foo as Bar, Baz as Qux, Norf as Enuf, } from 'x';",
+        "import Default, * as All from 'x';",
+        "import Default, { } from 'x';",
+        "import Default, { Foo } from 'x';",
+        "import Default, { Foo, } from 'x';",
+        "import Default, { Foo as Bar } from 'x';",
+        "import Default, { Foo as Bar, } from 'x';",
+        "import Default, { Foo, Bar } from 'x';",
+        "import Default, { Foo, Bar, } from 'x';",
+        "import Default, { Foo as Bar, Baz } from 'x';",
+        "import Default, { Foo as Bar, Baz, } from 'x';",
+        "import Default, { Foo, Bar as Baz } from 'x';",
+        "import Default, { Foo, Bar as Baz, } from 'x';",
+        "import Default, { Foo as Bar, Baz as Qux } from 'x';",
+        "import Default, { Foo as Bar, Baz as Qux, } from 'x';",
+        "import Default, { Foo, Bar, Baz } from 'x';",
+        "import Default, { Foo, Bar, Baz, } from 'x';",
+        "import Default, { Foo as Bar, Baz, Qux } from 'x';",
+        "import Default, { Foo as Bar, Baz, Qux, } from 'x';",
+        "import Default, { Foo, Bar as Baz, Qux } from 'x';",
+        "import Default, { Foo, Bar as Baz, Qux, } from 'x';",
+        "import Default, { Foo, Bar, Baz as Qux } from 'x';",
+        "import Default, { Foo, Bar, Baz as Qux, } from 'x';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf } from 'x';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf, } from 'x';",
+        "import Default, { Foo as Bar, Baz, Qux as Norf } from 'x';",
+        "import Default, { Foo as Bar, Baz, Qux as Norf, } from 'x';",
+        "import Default, { Foo, Bar as Baz, Qux as Norf } from 'x';",
+        "import Default, { Foo, Bar as Baz, Qux as Norf, } from 'x';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf as NoMore } from 'x';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf as NoMore, } from 'x';",
+        "import Default , { } from 'x';",
+        'import "x";',
+        'import Default from "x";',
+        'import * as All from "x";',
+        'import { } from "x";',
+        'import { Foo } from "x";',
+        'import { Foo, } from "x";',
+        'import { Foo as Bar } from "x";',
+        'import { Foo as Bar, } from "x";',
+        'import { Foo, Bar } from "x";',
+        'import { Foo, Bar, } from "x";',
+        'import { Foo as Bar, Baz } from "x";',
+        'import { Foo as Bar, Baz, } from "x";',
+        'import { Foo, Bar as Baz } from "x";',
+        'import { Foo, Bar as Baz, } from "x";',
+        'import { Foo as Bar, Baz as Qux } from "x";',
+        'import { Foo as Bar, Baz as Qux, } from "x";',
+        'import { Foo, Bar, Baz } from "x";',
+        'import { Foo, Bar, Baz, } from "x";',
+        'import { Foo as Bar, Baz, Qux } from "x";',
+        'import { Foo as Bar, Baz, Qux, } from "x";',
+        'import { Foo, Bar as Baz, Qux } from "x";',
+        'import { Foo, Bar as Baz, Qux, } from "x";',
+        'import { Foo, Bar, Baz as Qux } from "x";',
+        'import { Foo, Bar, Baz as Qux, } from "x";',
+        'import { Foo as Bar, Baz as Qux, Norf } from "x";',
+        'import { Foo as Bar, Baz as Qux, Norf, } from "x";',
+        'import { Foo as Bar, Baz, Qux as Norf } from "x";',
+        'import { Foo as Bar, Baz, Qux as Norf, } from "x";',
+        'import { Foo, Bar as Baz, Qux as Norf } from "x";',
+        'import { Foo, Bar as Baz, Qux as Norf, } from "x";',
+        'import { Foo as Bar, Baz as Qux, Norf as NoMore } from "x";',
+        'import { Foo as Bar, Baz as Qux, Norf as NoMore, } from "x";',
+        'import Default, * as All from "x";',
+        'import Default, { } from "x";',
+        'import Default, { Foo } from "x";',
+        'import Default, { Foo, } from "x";',
+        'import Default, { Foo as Bar } from "x";',
+        'import Default, { Foo as Bar, } from "x";',
+        'import Default, { Foo, Bar } from "x";',
+        'import Default, { Foo, Bar, } from "x";',
+        'import Default, { Foo as Bar, Baz } from "x";',
+        'import Default, { Foo as Bar, Baz, } from "x";',
+        'import Default, { Foo, Bar as Baz } from "x";',
+        'import Default, { Foo, Bar as Baz, } from "x";',
+        'import Default, { Foo as Bar, Baz as Qux } from "x";',
+        'import Default, { Foo as Bar, Baz as Qux, } from "x";',
+        'import Default, { Foo, Bar, Baz } from "x";',
+        'import Default, { Foo, Bar, Baz, } from "x";',
+        'import Default, { Foo as Bar, Baz, Qux } from "x";',
+        'import Default, { Foo as Bar, Baz, Qux, } from "x";',
+        'import Default, { Foo, Bar as Baz, Qux } from "x";',
+        'import Default, { Foo, Bar as Baz, Qux, } from "x";',
+        'import Default, { Foo, Bar, Baz as Qux } from "x";',
+        'import Default, { Foo, Bar, Baz as Qux, } from "x";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf } from "x";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf, } from "x";',
+        'import Default, { Foo as Bar, Baz, Qux as Norf } from "x";',
+        'import Default, { Foo as Bar, Baz, Qux as Norf, } from "x";',
+        'import Default, { Foo, Bar as Baz, Qux as Norf } from "x";',
+        'import Default, { Foo, Bar as Baz, Qux as Norf, } from "x";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf as Enuf } from "x";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf as Enuf, } from "x";',
+        'import Default from "y";',
+        'import * as All from \'z\';',
         'require("x")',
         'require("y")',
-        'require( "z" )',
+        'require( \'z\' )',
         'require( "a")',
         'require("b" )',
       ].join('\n');
+      /*eslint-disable */
 
       depGraph.resolveDependency.mockImpl(function(fromModule, toModuleName) {
         if (toModuleName === 'x') {
@@ -242,7 +377,7 @@ describe('HasteDependencyResolver', function() {
             id: 'changed'
           };
         } else if (toModuleName === 'y') {
-          return { id: 'y' };
+          return { id: 'Y' };
         }
         return null;
       });
@@ -254,13 +389,145 @@ describe('HasteDependencyResolver', function() {
       }, code);
 
       expect(processedCode).toEqual([
-        '__d(\'test module\',["changed","y"],function(global,' +
-        ' require, requireDynamic, requireLazy, module, exports) {' +
-        '  require(\'changed\')',
-        'require(\'y\')',
-        'require("z")',
-        'require("a")',
-        'require("b")});',
+        '__d(\'test module\',["changed","Y"],function(global,' +
+        ' require, requireDynamic, requireLazy, module, exports) {  ' +
+        "import'x';",
+        "import 'changed';",
+        "import 'changed' ;",
+        "import Default from 'changed';",
+        "import * as All from 'changed';",
+        "import {} from 'changed';",
+        "import { } from 'changed';",
+        "import {Foo} from 'changed';",
+        "import { Foo } from 'changed';",
+        "import { Foo, } from 'changed';",
+        "import {Foo as Bar} from 'changed';",
+        "import { Foo as Bar } from 'changed';",
+        "import { Foo as Bar, } from 'changed';",
+        "import { Foo, Bar } from 'changed';",
+        "import { Foo, Bar, } from 'changed';",
+        "import { Foo as Bar, Baz } from 'changed';",
+        "import { Foo as Bar, Baz, } from 'changed';",
+        "import { Foo, Bar as Baz } from 'changed';",
+        "import { Foo, Bar as Baz, } from 'changed';",
+        "import { Foo as Bar, Baz as Qux } from 'changed';",
+        "import { Foo as Bar, Baz as Qux, } from 'changed';",
+        "import { Foo, Bar, Baz } from 'changed';",
+        "import { Foo, Bar, Baz, } from 'changed';",
+        "import { Foo as Bar, Baz, Qux } from 'changed';",
+        "import { Foo as Bar, Baz, Qux, } from 'changed';",
+        "import { Foo, Bar as Baz, Qux } from 'changed';",
+        "import { Foo, Bar as Baz, Qux, } from 'changed';",
+        "import { Foo, Bar, Baz as Qux } from 'changed';",
+        "import { Foo, Bar, Baz as Qux, } from 'changed';",
+        "import { Foo as Bar, Baz as Qux, Norf } from 'changed';",
+        "import { Foo as Bar, Baz as Qux, Norf, } from 'changed';",
+        "import { Foo as Bar, Baz, Qux as Norf } from 'changed';",
+        "import { Foo as Bar, Baz, Qux as Norf, } from 'changed';",
+        "import { Foo, Bar as Baz, Qux as Norf } from 'changed';",
+        "import { Foo, Bar as Baz, Qux as Norf, } from 'changed';",
+        "import { Foo as Bar, Baz as Qux, Norf as Enuf } from 'changed';",
+        "import { Foo as Bar, Baz as Qux, Norf as Enuf, } from 'changed';",
+        "import Default, * as All from 'changed';",
+        "import Default, { } from 'changed';",
+        "import Default, { Foo } from 'changed';",
+        "import Default, { Foo, } from 'changed';",
+        "import Default, { Foo as Bar } from 'changed';",
+        "import Default, { Foo as Bar, } from 'changed';",
+        "import Default, { Foo, Bar } from 'changed';",
+        "import Default, { Foo, Bar, } from 'changed';",
+        "import Default, { Foo as Bar, Baz } from 'changed';",
+        "import Default, { Foo as Bar, Baz, } from 'changed';",
+        "import Default, { Foo, Bar as Baz } from 'changed';",
+        "import Default, { Foo, Bar as Baz, } from 'changed';",
+        "import Default, { Foo as Bar, Baz as Qux } from 'changed';",
+        "import Default, { Foo as Bar, Baz as Qux, } from 'changed';",
+        "import Default, { Foo, Bar, Baz } from 'changed';",
+        "import Default, { Foo, Bar, Baz, } from 'changed';",
+        "import Default, { Foo as Bar, Baz, Qux } from 'changed';",
+        "import Default, { Foo as Bar, Baz, Qux, } from 'changed';",
+        "import Default, { Foo, Bar as Baz, Qux } from 'changed';",
+        "import Default, { Foo, Bar as Baz, Qux, } from 'changed';",
+        "import Default, { Foo, Bar, Baz as Qux } from 'changed';",
+        "import Default, { Foo, Bar, Baz as Qux, } from 'changed';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf } from 'changed';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf, } from 'changed';",
+        "import Default, { Foo as Bar, Baz, Qux as Norf } from 'changed';",
+        "import Default, { Foo as Bar, Baz, Qux as Norf, } from 'changed';",
+        "import Default, { Foo, Bar as Baz, Qux as Norf } from 'changed';",
+        "import Default, { Foo, Bar as Baz, Qux as Norf, } from 'changed';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf as NoMore } from 'changed';",
+        "import Default, { Foo as Bar, Baz as Qux, Norf as NoMore, } from 'changed';",
+        "import Default , { } from 'changed';",
+        'import "changed";',
+        'import Default from "changed";',
+        'import * as All from "changed";',
+        'import { } from "changed";',
+        'import { Foo } from "changed";',
+        'import { Foo, } from "changed";',
+        'import { Foo as Bar } from "changed";',
+        'import { Foo as Bar, } from "changed";',
+        'import { Foo, Bar } from "changed";',
+        'import { Foo, Bar, } from "changed";',
+        'import { Foo as Bar, Baz } from "changed";',
+        'import { Foo as Bar, Baz, } from "changed";',
+        'import { Foo, Bar as Baz } from "changed";',
+        'import { Foo, Bar as Baz, } from "changed";',
+        'import { Foo as Bar, Baz as Qux } from "changed";',
+        'import { Foo as Bar, Baz as Qux, } from "changed";',
+        'import { Foo, Bar, Baz } from "changed";',
+        'import { Foo, Bar, Baz, } from "changed";',
+        'import { Foo as Bar, Baz, Qux } from "changed";',
+        'import { Foo as Bar, Baz, Qux, } from "changed";',
+        'import { Foo, Bar as Baz, Qux } from "changed";',
+        'import { Foo, Bar as Baz, Qux, } from "changed";',
+        'import { Foo, Bar, Baz as Qux } from "changed";',
+        'import { Foo, Bar, Baz as Qux, } from "changed";',
+        'import { Foo as Bar, Baz as Qux, Norf } from "changed";',
+        'import { Foo as Bar, Baz as Qux, Norf, } from "changed";',
+        'import { Foo as Bar, Baz, Qux as Norf } from "changed";',
+        'import { Foo as Bar, Baz, Qux as Norf, } from "changed";',
+        'import { Foo, Bar as Baz, Qux as Norf } from "changed";',
+        'import { Foo, Bar as Baz, Qux as Norf, } from "changed";',
+        'import { Foo as Bar, Baz as Qux, Norf as NoMore } from "changed";',
+        'import { Foo as Bar, Baz as Qux, Norf as NoMore, } from "changed";',
+        'import Default, * as All from "changed";',
+        'import Default, { } from "changed";',
+        'import Default, { Foo } from "changed";',
+        'import Default, { Foo, } from "changed";',
+        'import Default, { Foo as Bar } from "changed";',
+        'import Default, { Foo as Bar, } from "changed";',
+        'import Default, { Foo, Bar } from "changed";',
+        'import Default, { Foo, Bar, } from "changed";',
+        'import Default, { Foo as Bar, Baz } from "changed";',
+        'import Default, { Foo as Bar, Baz, } from "changed";',
+        'import Default, { Foo, Bar as Baz } from "changed";',
+        'import Default, { Foo, Bar as Baz, } from "changed";',
+        'import Default, { Foo as Bar, Baz as Qux } from "changed";',
+        'import Default, { Foo as Bar, Baz as Qux, } from "changed";',
+        'import Default, { Foo, Bar, Baz } from "changed";',
+        'import Default, { Foo, Bar, Baz, } from "changed";',
+        'import Default, { Foo as Bar, Baz, Qux } from "changed";',
+        'import Default, { Foo as Bar, Baz, Qux, } from "changed";',
+        'import Default, { Foo, Bar as Baz, Qux } from "changed";',
+        'import Default, { Foo, Bar as Baz, Qux, } from "changed";',
+        'import Default, { Foo, Bar, Baz as Qux } from "changed";',
+        'import Default, { Foo, Bar, Baz as Qux, } from "changed";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf } from "changed";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf, } from "changed";',
+        'import Default, { Foo as Bar, Baz, Qux as Norf } from "changed";',
+        'import Default, { Foo as Bar, Baz, Qux as Norf, } from "changed";',
+        'import Default, { Foo, Bar as Baz, Qux as Norf } from "changed";',
+        'import Default, { Foo, Bar as Baz, Qux as Norf, } from "changed";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf as Enuf } from "changed";',
+        'import Default, { Foo as Bar, Baz as Qux, Norf as Enuf, } from "changed";',
+        'import Default from "Y";',
+        'import * as All from \'z\';',
+        'require("changed")',
+        'require("Y")',
+        'require( \'z\' )',
+        'require( "a")',
+        'require("b" )});',
       ].join('\n'));
     });
   });
diff --git a/packager/react-packager/src/DependencyResolver/haste/index.js b/packager/react-packager/src/DependencyResolver/haste/index.js
index 941a687ecb49ee..e700e5fd02496c 100644
--- a/packager/react-packager/src/DependencyResolver/haste/index.js
+++ b/packager/react-packager/src/DependencyResolver/haste/index.js
@@ -10,7 +10,7 @@
 
 var path = require('path');
 var DependencyGraph = require('./DependencyGraph');
-var requirePattern = require('./requirePattern');
+var replacePatterns = require('./replacePatterns');
 var ModuleDescriptor = require('../ModuleDescriptor');
 var declareOpts = require('../../lib/declareOpts');
 
@@ -61,7 +61,7 @@ function HasteDependencyResolver(options) {
 
   this._depGraph = new DependencyGraph({
     roots: opts.projectRoots,
-    assetRoots: opts.assetRoots,
+    assetRoots_DEPRECATED: opts.assetRoots,
     ignoreFilePath: function(filepath) {
       return filepath.indexOf('__tests__') !== -1 ||
         (opts.blacklistRE && opts.blacklistRE.test(filepath));
@@ -144,20 +144,20 @@ HasteDependencyResolver.prototype.wrapModule = function(module, code) {
     }
   }
 
-  var relativizedCode =
-    code.replace(requirePattern, function(codeMatch, _, depName) {
-      var depId = resolvedDeps[depName];
-      if (depId != null) {
-        return 'require(\'' + depId + '\')';
-      } else {
-        return codeMatch.replace(/\s+/g, '');
-      }
-    });
+  var relativizeCode = function(codeMatch, pre, quot, depName, post) {
+    var depId = resolvedDeps[depName];
+    if (depId) {
+      return pre + quot + depId + post;
+    } else {
+      return codeMatch;
+    }
+  };
 
   return DEFINE_MODULE_CODE.replace(DEFINE_MODULE_REPLACE_RE, function(key) {
     return {
       '_moduleName_': module.id,
-      '_code_': relativizedCode,
+      '_code_': code.replace(replacePatterns.IMPORT_RE, relativizeCode)
+                    .replace(replacePatterns.REQUIRE_RE, relativizeCode),
       '_deps_': JSON.stringify(resolvedDepsArr),
     }[key];
   });
diff --git a/packager/react-packager/src/DependencyResolver/haste/requirePattern.js b/packager/react-packager/src/DependencyResolver/haste/replacePatterns.js
similarity index 68%
rename from packager/react-packager/src/DependencyResolver/haste/requirePattern.js
rename to packager/react-packager/src/DependencyResolver/haste/replacePatterns.js
index 26d807ffd6be4c..cde2d873ca69de 100644
--- a/packager/react-packager/src/DependencyResolver/haste/requirePattern.js
+++ b/packager/react-packager/src/DependencyResolver/haste/replacePatterns.js
@@ -9,6 +9,5 @@
 
 'use strict';
 
-var REQUIRE_RE = /\brequire\s*?\(\s*?([\'"])([^"\']+)\1\s*?\)/g;
-
-module.exports = REQUIRE_RE;
+exports.IMPORT_RE = /(\bimport\s+?(?:.+\s+?from\s+?)?)(['"])([^'"]+)(\2)/g;
+exports.REQUIRE_RE = /(\brequire\s*?\(\s*?)(['"])([^'"]+)(\2\s*?\))/g;
diff --git a/packager/react-packager/src/JSTransformer/index.js b/packager/react-packager/src/JSTransformer/index.js
index fde8336e042b1c..abfae2482feee4 100644
--- a/packager/react-packager/src/JSTransformer/index.js
+++ b/packager/react-packager/src/JSTransformer/index.js
@@ -61,9 +61,7 @@ function Transformer(options) {
       projectRoots: options.projectRoots,
     });
 
-  if (options.transformModulePath == null) {
-    this._failedToStart = Promise.reject(new Error('No transfrom module'));
-  } else {
+  if (options.transformModulePath != null) {
     this._workers = workerFarm(
       {autoStart: true, maxConcurrentCallsPerWorker: 1},
       options.transformModulePath
@@ -83,8 +81,8 @@ Transformer.prototype.invalidateFile = function(filePath) {
 };
 
 Transformer.prototype.loadFileAndTransform = function(filePath) {
-  if (this._failedToStart) {
-    return this._failedToStart;
+  if (this._transform == null) {
+    return Promise.reject(new Error('No transfrom module'));
   }
 
   var transform = this._transform;