Oracle Service Bus 11g is Out.

Oracle has released the new version of Oracle Service Bus 11g (11.1.1.3.0) which can now be installed as a managed Server does separating it being tightly coupled with a single weblogic server.It has been certified on the new verion of Weblogic Server 10.3.3.With it the following new versions are avaliable.
- Repository Creation Utility 11gR1 (11.1.1.3.0)
- Service Registry 11gR1 (11.1.1.2.0)
- Enterprise Repository 11gR1 (11.1.1.2.0)
- SOA Suite 11gR1 (11.1.1.3.0)
- Oracle JDeveloper 11gR1 (11.1.1.3.0)

The new Oracle Service Bus 11g requires you to upgrade the Repository Creation Utility 11gR1 to 11.1.1.3.0.
Weblogic Server to 11.1.1.3.0
If SOA Suite is also there than the corresponding upgrade 11.1.1.3.0 is also avaliable which is avaliable as patch.