I am pleased to announce the release candidates of omniORB 4.0.0 and omniORBpy 2.0.
omniORB is a robust, high performance CORBA ORB for C++. omniORBpy is a version for Python. They are freely available under the terms of the GNU Lesser General Public License (for the libraries), and GNU General Public License (for the tools). For more information, see
The release candidates contain minor bug fixes and new features since the beta 2 releases.
Highlights of the new features since omniORB 3.0 and omniORBpy 1:
- Updated to CORBA 2.6. - Support for GIOP 1.1 and 1.2. - Wide string and codeset negotiation. - Unix domain and SSL transports. - Bidirectional GIOP. - Flexible thread pool mode. - PortableServer::Current. - Interceptors. - Fixed point. - Complete freeing of all heap allocations. - Efficient in-process calls between C++ and Python. - Python / C++ object reference translation API. - New comprehensive configuration mechanism. - Commercial support. See http://www.omniorb-support.com/
Release notes are available from
You can download the releases themselves via the release notes pages, or from
Please try out the release candidates and report any problems you encounter to the omniORB mailing list. The intention is to make a full release in a week or so.