diff --git a/CHANGELOG b/CHANGELOG
index 902df02..8632e2f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,7 +1,7 @@
 codebird-js - changelog
 =======================
 
-2.3.0 (not yet released)
+2.3.0 (2013-04-26)
 + Fix _detectMultipart for statuses/update calls
 + Add Array.indexOf polyfill
 + Circumvent same-origin policy with CORS
diff --git a/README.md b/README.md
index 82b0e6a..c1faff8 100644
--- a/README.md
+++ b/README.md
@@ -233,6 +233,8 @@ the same base domain.  This is a security feature called the “same-origin
 policy.”  However, this policy is in your way when you try to access the
 (remote) Twitter API domain and its methods.
 
+### 6.1 Cross-domain requests
+
 With Codebird, don’t worry about this.  We automatically send cross-domain
 requests using a secured proxy that sends back the required headers to the
 user’s browser.
@@ -241,9 +243,6 @@ This CORS proxy is using an encrypted SSL connection.
 *We do not record data sent to or from the Twitter API. 
 Using Codebird’s CORS proxy is subject to the Acceptable use policy.*
 
-Cross-domain requests work well in any browser except for
-Internet Explorer 7-9.  Codebird cannot send POST requests in these browsers.
-
 If your JavaScript environment is not restricted under the same-origin policy
 (for example in node-js), it is recommended that you turn off the CORS
 compatibility like this:
@@ -252,6 +251,15 @@ compatibility like this:
 cb.setUseProxy(false);
 ```
 
+### 6.2 Support for Internet Explorer 7 to 9
+
+Cross-domain requests work well in any browser except for
+Internet Explorer 7-9.  Codebird cannot send POST requests in these browsers.
+For IE7-9, Codebird works in limited operation mode:
+
+- Calls to GET methods work fine,
+- calling POST methods is impossible.
+
 7. Using multiple Codebird instances
 ------------------------------------
 
diff --git a/codebird.js b/codebird.js
index be51584..db05763 100644
--- a/codebird.js
+++ b/codebird.js
@@ -2,7 +2,7 @@
  * A Twitter library in JavaScript
  *
  * @package codebird
- * @version 2.3.0-dev
+ * @version 2.3.0
  * @author J.M. <me@mynetx.net>
  * @copyright 2010-2013 J.M. <me@mynetx.net>
  *
@@ -117,7 +117,7 @@ var Codebird = function () {
     /**
      * The current Codebird version
      */
-    var _version = '2.3.0-dev';
+    var _version = '2.3.0';
 
     /**
      * Sets the OAuth consumer key and secret (App key)