diff --git a/src/browser/server/ReactServerRendering.js b/src/browser/server/ReactServerRendering.js
index 919b57773e..f9895e4977 100644
--- a/src/browser/server/ReactServerRendering.js
+++ b/src/browser/server/ReactServerRendering.js
@@ -31,10 +31,10 @@ var invariant = require('invariant');
  * @param {ReactElement} element
  * @return {string} the HTML markup
  */
-function renderComponentToString(element) {
+function renderToString(element) {
   invariant(
     ReactElement.isValidElement(element),
-    'renderComponentToString(): You must pass a valid ReactElement.'
+    'renderToString(): You must pass a valid ReactElement.'
   );
 
   var transaction;
@@ -55,12 +55,12 @@ function renderComponentToString(element) {
 /**
  * @param {ReactElement} element
  * @return {string} the HTML markup, without the extra React ID and checksum
-* (for generating static pages)
+ * (for generating static pages)
  */
-function renderComponentToStaticMarkup(element) {
+function renderToStaticMarkup(element) {
   invariant(
     ReactElement.isValidElement(element),
-    'renderComponentToStaticMarkup(): You must pass a valid ReactElement.'
+    'renderToStaticMarkup(): You must pass a valid ReactElement.'
   );
 
   var transaction;
@@ -78,6 +78,6 @@ function renderComponentToStaticMarkup(element) {
 }
 
 module.exports = {
-  renderComponentToString: renderComponentToString,
-  renderComponentToStaticMarkup: renderComponentToStaticMarkup
+  renderToString: renderToString,
+  renderToStaticMarkup: renderToStaticMarkup
 };
diff --git a/src/browser/ui/React.js b/src/browser/ui/React.js
index bcf2b38f27..d8d374e065 100644
--- a/src/browser/ui/React.js
+++ b/src/browser/ui/React.js
@@ -43,6 +43,7 @@ var ReactPropTypes = require('ReactPropTypes');
 var ReactServerRendering = require('ReactServerRendering');
 var ReactTextComponent = require('ReactTextComponent');
 
+var deprecated = require('deprecated');
 var onlyChild = require('onlyChild');
 
 ReactDefaultInjection.inject();
@@ -63,6 +64,8 @@ createFactory = ReactLegacyElement.wrapCreateFactory(
   createFactory
 );
 
+var render = ReactPerf.measure('React', 'render', ReactMount.render);
+
 var React = {
   Children: {
     map: ReactChildren.map,
@@ -76,22 +79,16 @@ var React = {
     EventPluginUtils.useTouchEvents = shouldUseTouch;
   },
   createClass: ReactCompositeComponent.createClass,
-  createDescriptor: createElement, // deprecated, will be removed next week
   createElement: createElement,
   createFactory: createFactory,
   constructAndRenderComponent: ReactMount.constructAndRenderComponent,
   constructAndRenderComponentByID: ReactMount.constructAndRenderComponentByID,
-  renderComponent: ReactPerf.measure(
-    'React',
-    'renderComponent',
-    ReactMount.renderComponent
-  ),
-  renderComponentToString: ReactServerRendering.renderComponentToString,
-  renderComponentToStaticMarkup:
-    ReactServerRendering.renderComponentToStaticMarkup,
+  render: render,
+  renderToString: ReactServerRendering.renderToString,
+  renderToStaticMarkup: ReactServerRendering.renderToStaticMarkup,
   unmountComponentAtNode: ReactMount.unmountComponentAtNode,
   isValidClass: ReactLegacyElement.isValidFactory,
-  isValidComponent: ReactElement.isValidElement,
+  isValidElement: ReactElement.isValidElement,
   withContext: ReactContext.withContext,
   __internals: {
     Component: ReactComponent,
@@ -102,7 +99,37 @@ var React = {
     Mount: ReactMount,
     MultiChild: ReactMultiChild,
     TextComponent: ReactTextComponent
-  }
+  },
+
+  // Deprecations (remove for 0.13)
+  renderComponent: deprecated(
+    'React',
+    'renderComponent',
+    'render',
+    this,
+    render
+  ),
+  renderComponentToString: deprecated(
+    'React',
+    'renderComponentToString',
+    'renderToString',
+    this,
+    ReactServerRendering.renderToString
+  ),
+  renderComponentToStaticMarkup: deprecated(
+    'React',
+    'renderComponentToStaticMarkup',
+    'renderToStaticMarkup',
+    this,
+    ReactServerRendering.renderToStaticMarkup
+  ),
+  isValidComponent: deprecated(
+    'React',
+    'isValidComponent',
+    'isValidElement',
+    this,
+    ReactElement.isValidElement
+  )
 };
 
 if (__DEV__) {
diff --git a/src/browser/ui/ReactMount.js b/src/browser/ui/ReactMount.js
index a0dc478d12..3448d78523 100644
--- a/src/browser/ui/ReactMount.js
+++ b/src/browser/ui/ReactMount.js
@@ -27,6 +27,7 @@ var ReactInstanceHandles = require('ReactInstanceHandles');
 var ReactPerf = require('ReactPerf');
 
 var containsNode = require('containsNode');
+var deprecated = require('deprecated');
 var getReactRootElementInContainer = require('getReactRootElementInContainer');
 var instantiateReactComponent = require('instantiateReactComponent');
 var invariant = require('invariant');
@@ -204,7 +205,7 @@ function findDeepestCachedAncestor(targetID) {
  * representative DOM elements and inserting them into a supplied `container`.
  * Any prior content inside `container` is destroyed in the process.
  *
- *   ReactMount.renderComponent(
+ *   ReactMount.render(
  *     component,
  *     document.getElementById('container')
  *   );
@@ -340,7 +341,7 @@ var ReactMount = {
    * @param {?function} callback function triggered on completion
    * @return {ReactComponent} Component instance rendered in `container`.
    */
-  renderComponent: function(nextElement, container, callback) {
+  render: function(nextElement, container, callback) {
     invariant(
       ReactElement.isValidElement(nextElement),
       'renderComponent(): Invalid component element.%s',
@@ -401,7 +402,7 @@ var ReactMount = {
    */
   constructAndRenderComponent: function(constructor, props, container) {
     var element = createElement(constructor, props);
-    return ReactMount.renderComponent(element, container);
+    return ReactMount.render(element, container);
   },
 
   /**
@@ -683,4 +684,13 @@ var ReactMount = {
   purgeID: purgeID
 };
 
+// Deprecations (remove for 0.13)
+ReactMount.renderComponent = deprecated(
+  'ReactMount',
+  'renderComponent',
+  'render',
+  this,
+  ReactMount.render
+);
+
 module.exports = ReactMount;
diff --git a/src/utils/deprecated.js b/src/utils/deprecated.js
new file mode 100644
index 0000000000..ae207206f8
--- /dev/null
+++ b/src/utils/deprecated.js
@@ -0,0 +1,51 @@
+/**
+ * Copyright 2013-2014 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @providesModule deprecated
+ */
+
+var warning = require('warning');
+
+/**
+ * This will log a single deprecation notice per function and forward the call
+ * on to the new API.
+ *
+ * @param {string} namespace The namespace of the call, eg 'React'
+ * @param {string} oldName The old function name, eg 'renderComponent'
+ * @param {string} newName The new function name, eg 'render'
+ * @param {*} ctx The context this forwarded call should run in
+ * @param {function} fn The function to forward on to
+ * @return {*} Will be the value as returned from `fn`
+ */
+function deprecated(namespace, oldName, newName, ctx, fn) {
+  var warned = false;
+  if (__DEV__) {
+    var newFn = function() {
+      warning(
+        warned,
+        `${namespace}.${oldName} will be deprecated in a future version. ` +
+        `Use ${namespace}.${newName} instead.`
+      );
+      warned = true;
+      return fn.apply(ctx, arguments);
+    };
+    newFn.displayName = `${namespace}_${oldName}`;
+    return newFn;
+  }
+
+  return fn;
+}
+
+module.exports = deprecated;