diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3284aec191..d4e0343e02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+## 0.12.2 (December 18, 2014)
+
+### React Core
+
+* Added support for more HTML attributes: `formAction`, `formEncType`, `formMethod`, `formTarget`, `marginHeight`, `marginWidth`
+* Added `strokeOpacity` to the list of unitless CSS properties
+* Removed trailing commas (allows npm module to be bundled and used in IE8)
+* Fixed bug resulting in error when passing `undefined` to `React.createElement` - now there is a useful warning
+
+### React Tools
+
+* JSX-related transforms now always use double quotes for props and `displayName`
+
+
 ## 0.12.1 (November 18, 2014)
 
 ### React Tools
diff --git a/README.md b/README.md
index 2ba3edffc2..7c9cb8c5c8 100644
--- a/README.md
+++ b/README.md
@@ -35,12 +35,12 @@ The fastest way to get started is to serve JavaScript from the CDN (also availab
 
 ```html
 <!-- The core React library -->
-<script src="http://fb.me/react-0.12.1.js"></script>
+<script src="http://fb.me/react-0.12.2.js"></script>
 <!-- In-browser JSX transformer, remove when pre-compiling JSX. -->
-<script src="http://fb.me/JSXTransformer-0.12.1.js"></script>
+<script src="http://fb.me/JSXTransformer-0.12.2.js"></script>
 ```
 
-We've also built a [starter kit](http://facebook.github.io/react/downloads/react-0.12.1.zip) which might be useful if this is your first time using React. It includes a webpage with an example of using React with live code.
+We've also built a [starter kit](http://facebook.github.io/react/downloads/react-0.12.2.zip) which might be useful if this is your first time using React. It includes a webpage with an example of using React with live code.
 
 If you'd like to use [bower](http://bower.io), it's as easy as: