Release 3.0 is mainly a cleanup and maintenance release. Deprecated model elements and some redundant definitions are removed and the visualization of diagrams is refactored.
In detail:
- Removed deprecated model elements
- removed ModeCondition* and ModeSwitch*
- Simplified data type definitions
- removed inline definition as part of labels and channels
- Extended model documentation and validation
- Semaphores
- Updated visualization framework
- new utility classes for SVG (PlantUML, GraphViz)
- new persisted visualization parameters
- new EObject references visualization