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- Add support for DataType, ValueType, Primitive, and Enumeration
- Model state is stored per model, restores where you left off
- Add support for Containment Relationship
- Focus already opened model when opening a model file
- Remove the New From Template option
- Upgrade toolbox to be compatible with GTK 4
- Add regression tests
- Fix build fails when GitHub Actions secrets are not available
- Fix association direction arrow is not updated