Built a Xtext 2.3-compatible version.
diff --git a/com.google.eclipse.protobuf.feature/feature.xml b/com.google.eclipse.protobuf.feature/feature.xml
index e5f61f9..b968391 100644
--- a/com.google.eclipse.protobuf.feature/feature.xml
+++ b/com.google.eclipse.protobuf.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="com.google.eclipse.protobuf"
       label="%featureName"
-      version="1.2.3.qualifier"
+      version="1.3.0.qualifier"
       provider-name="%providerName">
 
    <description url="https://code.google.com/p/protobuf-dt/">
diff --git a/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
index c618942..cfd661a 100644
--- a/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
+++ b/com.google.eclipse.protobuf.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2

 Bundle-Name: %Bundle-Name

 Bundle-Vendor: %Bundle-Vendor

-Bundle-Version: 1.2.3.qualifier

+Bundle-Version: 1.3.0.qualifier

 Bundle-SymbolicName: com.google.eclipse.protobuf.ui; singleton:=true

 Bundle-ActivationPolicy: lazy

 Require-Bundle: com.google.eclipse.protobuf;visibility:=reexport,

diff --git a/com.google.eclipse.protobuf/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
index caafc24..57bf156 100644
--- a/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
+++ b/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Eclipse-ExtensibleAPI: true

 Bundle-Name: %Bundle-Name

 Bundle-Vendor: %Bundle-Vendor

-Bundle-Version: 1.2.3.qualifier

+Bundle-Version: 1.3.0.qualifier

 Bundle-SymbolicName: com.google.eclipse.protobuf; singleton:=true

 Bundle-ActivationPolicy: lazy

 Require-Bundle: org.eclipse.xtext;bundle-version="2.2.1",

diff --git a/update-site/artifacts.jar b/update-site/artifacts.jar
new file mode 100644
index 0000000..9c68dc8
--- /dev/null
+++ b/update-site/artifacts.jar
Binary files differ
diff --git a/update-site/content.jar b/update-site/content.jar
new file mode 100644
index 0000000..705f7d9
--- /dev/null
+++ b/update-site/content.jar
Binary files differ
diff --git a/update-site/features/com.google.eclipse.protobuf_1.3.0.201204101726.jar b/update-site/features/com.google.eclipse.protobuf_1.3.0.201204101726.jar
new file mode 100644
index 0000000..031c268
--- /dev/null
+++ b/update-site/features/com.google.eclipse.protobuf_1.3.0.201204101726.jar
Binary files differ
diff --git a/update-site/plugins/com.google.eclipse.protobuf.ui_1.3.0.201204101726.jar b/update-site/plugins/com.google.eclipse.protobuf.ui_1.3.0.201204101726.jar
new file mode 100644
index 0000000..0283b4c
--- /dev/null
+++ b/update-site/plugins/com.google.eclipse.protobuf.ui_1.3.0.201204101726.jar
Binary files differ
diff --git a/update-site/plugins/com.google.eclipse.protobuf_1.3.0.201204101726.jar b/update-site/plugins/com.google.eclipse.protobuf_1.3.0.201204101726.jar
new file mode 100644
index 0000000..cc863b9
--- /dev/null
+++ b/update-site/plugins/com.google.eclipse.protobuf_1.3.0.201204101726.jar
Binary files differ
diff --git a/update-site/site.xml b/update-site/site.xml
index 4170bab..89eeb0b 100644
--- a/update-site/site.xml
+++ b/update-site/site.xml
@@ -3,8 +3,6 @@
    <description name="protobuf-dt" url="http://protobuf-dt.googlecode.com/git/update-site">
       Update site for protobuf-dt, an Eclipse-based Development Environment for Protocol Buffers.
    </description>
-   <feature url="features/com.google.eclipse.protobuf_1.2.3.201203050215.jar" id="com.google.eclipse.protobuf" version="1.2.3.201203050215">
-      <category name="google"/>
-   </feature>
+   <feature url="features/com.google.eclipse.protobuf_1.3.0.201204101726.jar" id="com.google.eclipse.protobuf" version="1.3.0.201204101726"/>
    <category-def name="google" label="Google Inc."/>
 </site>