diff --git a/.babelrc b/.babelrc
index d545679b52..11a5434944 100644
--- a/.babelrc
+++ b/.babelrc
@@ -21,6 +21,5 @@
     ["transform-es2015-block-scoping", { "throwIfClosureRequired": true }],
     "transform-es3-member-expression-literals",
     "transform-es3-property-literals",
-    "transform-react-jsx-source"
   ]
 }
diff --git a/scripts/jest/preprocessor.js b/scripts/jest/preprocessor.js
index 4a48cfe9e5..f1fd728992 100644
--- a/scripts/jest/preprocessor.js
+++ b/scripts/jest/preprocessor.js
@@ -39,6 +39,11 @@ var babelOptions = {
         }
       ),
     }],
+    // Keep stacks detailed in tests.
+    // Don't put this in .babelrc so that we don't embed filenames
+    // into ReactART builds that include JSX.
+    // TODO: I have not verified that this actually works.
+    require.resolve('babel-plugin-transform-react-jsx-source'),
   ],
   retainLines: true,
 };
diff --git a/scripts/rollup/bundles.js b/scripts/rollup/bundles.js
index 7598470c14..647054e8c6 100644
--- a/scripts/rollup/bundles.js
+++ b/scripts/rollup/bundles.js
@@ -16,7 +16,13 @@ const babelOptsReact = {
   ],
 };
 
+const babelOptsReactART = Object.assign({}, babelOptsReact, {
+  // Include JSX
+  presets: [require.resolve('babel-preset-react')],
+});
+
 const bundles = [
+  /******* Isomorphic *******/
   {
     babelOpts: babelOptsReact,
     config: {
@@ -41,6 +47,8 @@ const bundles = [
     ],
     createUMDBundles: true,
   },
+
+  /******* React DOM *******/
   {
     babelOpts: babelOptsReact,
     config: {
@@ -91,7 +99,61 @@ const bundles = [
       'src/shared/**/*.js',
     ],
     createUMDBundles: true,
-  },  
+  },
+
+  /******* React ART *******/
+  {
+    babelOpts: babelOptsReactART,
+    config: {
+      destDir: 'build/rollup/',
+      globals: {
+        'react': 'React',
+      },
+      moduleName: 'ReactARTStack',
+      sourceMap: false,
+    },
+    entry: 'src/renderers/art/ReactARTStack.js',
+    fbEntry: 'src/renderers/art/ReactARTStack.js',
+    hasteName: 'ReactARTStack',
+    name: 'react-art',
+    paths: [
+      // TODO: it relies on ReactDOMFrameScheduling. Need to move to shared/?
+      'src/renderers/dom/**/*.js',
+      'src/renderers/art/**/*.js',
+      'src/renderers/shared/**/*.js',
+
+      'src/ReactVersion.js',
+      'src/shared/**/*.js',
+    ],
+    createUMDBundles: true,
+  },
+  {
+    babelOpts: babelOptsReactART,
+    config: {
+      destDir: 'build/rollup/',
+      globals: {
+        'react': 'React',
+      },
+      moduleName: 'ReactARTFiber',
+      sourceMap: false,
+    },
+    entry: 'src/renderers/art/ReactARTFiber.js',
+    fbEntry: 'src/renderers/art/ReactARTFiber.js',
+    hasteName: 'ReactARTFiber',
+    name: 'react-art',
+    paths: [
+      // TODO: it relies on ReactDOMFrameScheduling. Need to move to shared/?
+      'src/renderers/dom/**/*.js',
+      'src/renderers/art/**/*.js',
+      'src/renderers/shared/**/*.js',
+
+      'src/ReactVersion.js',
+      'src/shared/**/*.js',
+    ],
+    createUMDBundles: true,
+  },
+
+  /******* React Native *******/
   // {
   //   babelOpts: babelOptsReact,
   //   config: {
diff --git a/src/renderers/art/ReactARTStack.js b/src/renderers/art/ReactARTStack.js
index 5caf3d82de..c232ed9a07 100644
--- a/src/renderers/art/ReactARTStack.js
+++ b/src/renderers/art/ReactARTStack.js
@@ -27,7 +27,6 @@ const ReactUpdates = require('ReactUpdates');
 const emptyObject = require('fbjs/lib/emptyObject');
 const invariant = require('fbjs/lib/invariant');
 
-const assign = require('object-assign');
 const pooledTransform = new Transform();
 
 // Utilities
@@ -56,7 +55,7 @@ function createComponent(name) {
   };
   ReactARTComponent.displayName = name;
   for (let i = 1, l = arguments.length; i < l; i++) {
-    assign(ReactARTComponent.prototype, arguments[i]);
+    Object.assign(ReactARTComponent.prototype, arguments[i]);
   }
 
   return ReactARTComponent;
@@ -93,7 +92,7 @@ function injectAfter(parentNode, referenceNode, node) {
 
 // ContainerMixin for components that can hold ART nodes
 
-const ContainerMixin = assign({}, ReactMultiChild, {
+const ContainerMixin = Object.assign({}, ReactMultiChild, {
 
   /**
    * Moves a child component to the supplied index.
@@ -446,7 +445,7 @@ const ClippingRectangle = createComponent(
 
 // Renderables
 
-const RenderableMixin = assign({}, NodeMixin, {
+const RenderableMixin = Object.assign({}, NodeMixin, {
 
   applyRenderableProps: function(oldProps, props) {
     if (oldProps.fill !== props.fill) {