IBM Rational Rhapsody 8.0.4 has been made generally available and contains fixes to version 8.0.3. development IBM Rational Rhapsody 8.0.3 and Rational Rhapsody Design Manager 4.0.3 offer several improvements and new features. Capture and validate designs easier with new action language and table improvements, increase performance with 64-bit support, trace requirements with improved workflows with IBM Rational DOORS, using Rhapsody Design Manager. There is also increased support for developing applications that comply with the DO-178B/C standard for avionics and the IEC 62304 standard for medical devices, using reference documentation.