diff --git a/Doc/changelog.docu b/Doc/changelog.docu
index b78fb2b1..3e705c5c 100644
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -7,6 +7,13 @@
 
 <!-- --------------------------------------------------------------------- -->
 
+<tr valign=top><td><b>2.4</b> (?/?/?,Rev.758)</td><td>
+
+
+
+</tr>
+
+
 <tr valign=top><td><b>2.3</b> (2012/11/12,Rev.758)</td><td>
 
 <b>Core</b>
@@ -42,7 +49,7 @@
 </ul>
 
 
-<b>IO</b>
+<b>Subdivider</b>
 <ul>
 <li>Fixed typedef problems causing compiler errors</li>
 <li>Removed a wrong assertion in the refine method for vector handles</li>
diff --git a/Doc/misc.docu b/Doc/misc.docu
index 1b37967f..f228755b 100644
--- a/Doc/misc.docu
+++ b/Doc/misc.docu
@@ -48,6 +48,7 @@ gcc 4.3.x<br>
 gcc 4.4.x<br>
 gcc 4.5.x<br>
 gcc 4.6.x<br>
+gcc 4.7.x<br>
 </td></tr>
 
 <tr><td> Windows </td><td> 
@@ -60,6 +61,12 @@ gcc 4.0 <br>
 gcc 4.2 <br>
 </td></tr>
 
+<tr><td> MacOS X <br>(Snow Leopard),... with clang</td><td> 
+XCode 4.3 <br>
+XCode 4.4 <br>
+XCode 4.5 <br>
+</td></tr>
+
 </table>
 
 \section req_libs Required libraries (Only for included Apps)
diff --git a/README b/README
index bd1d1279..bd9d7041 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-OpenMesh, 2.3.0
+OpenMesh, 2.4.0
 ~~~~~~~~~~~~~~~
 
 0. Licence
diff --git a/VERSION b/VERSION
index b81012cb..416ac60d 100644
--- a/VERSION
+++ b/VERSION
@@ -1,6 +1,6 @@
-VERSION=2.3
+VERSION=2.4
 MAJOR=2
-MINOR=3
+MINOR=4
 PATCH=0
 ID=OPENMESH
 
diff --git a/src/OpenMesh/Core/System/config.h b/src/OpenMesh/Core/System/config.h
index 3eefb611..364dbf0f 100644
--- a/src/OpenMesh/Core/System/config.h
+++ b/src/OpenMesh/Core/System/config.h
@@ -57,7 +57,7 @@
 
 // ----------------------------------------------------------------------------
 
-#define OM_VERSION 0x20300
+#define OM_VERSION 0x20400
 
 // only defined, if it is a beta version
 //#define OM_VERSION_BETA 4