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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:

This mechanism prevents unexpected changes after opening a project with version 19.0 SP1.

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The cross-version compatibility checking mechanism is implemented when a project with new feature usages is loaded with an older version of the modeling tool. 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.Image Removed Currently, the cross-version compatibility checking mechanism tracks feature usages of 19.0 SP1,19.0 SP2, and 19.0 SP3 versions that result in triggering a Missing features detected notification in earlier versions. The following table shows tracked features, the version they appear in, and whether the project can be committed/saved without any consequences. 


Excerpt
Feature nameVersionSecure to commit/save

Hiding used projects

19.0 SP1No

Grant package permissions for the user group

19.0 SP1No

Pre-commit validation

19.0 SP1No

Custom row/column hierarchy in the dependency matrix

19.0 SP2Yes
Contextual relationships in the dependency matrix19.0 SP3Yes
Displaying classifiers on internal structure and behavior diagrams19.0 SP3Yes
Custom hierarchy in tables19.0 SP3Yes
Lock-free Model Editing19.0 SP3No



Note
titleImportant

Features required, but missing, in an earlier tool version (in this case 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.

Image AddedCurrently, the cross-version compatibility checking mechanism tracks the following feature usages that result in triggering notifications in the 19.0 version:

Excerpt Include
MD190SP3:Forward compatibilityMD190SP3:Forward compatibility
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