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| Feature name | Version | Secure to commit/save |
| 19.0 SP1 | No | |
| 19.0 SP1 | No | |
| 19.0 SP1 | No | |
| 19.0 SP2 | Yes | |
| Contextual relationships in the dependency matrix | 19.0 SP3 | Yes |
| Displaying classifiers on internal structure and behavior diagrams | 19.0 SP3 | Yes |
| Custom hierarchy in tables | 19.0 SP3 | Yes |
| Lock-free Model Editing | 19.0 SP3 | No |
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Features required, but missing, in an earlier tool version (for example, 19.0) are memorized by the cross-version compatibility checking mechanism. This process will continue with each SP release (i.e., SP2 might have features that are missing in both SP1 and 19.0 GA). |
If you are working with features that are mentioned in the table above with status that it can cause inconsistencies after save/commit, this mechanism will track the missing features and show a warning message indicating possible consequences if you proceed. When you attempt to save or commit an opened project with a tool version that is missing features, this mechanism will track the missing features and show a warning message indicating possible consequences if you proceed.
Diagramming features
Forward compatibility tracks the following diagramming features introduced in 19.0 SP1:
When opening a project with tool version 19.0 (or 19.0 SP1 when the project was created with modeling tool 19.0 SP2 version), the usage of these features makes the diagram read-only. Additionally, you will be warned of possible consequences if you edit the diagram:
