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ArgoUML versions through version 0.18.1 support UML 1.3. Beginning with version 0.20 in early 2006, ArgoUML began supporting UML 1.4. We don’t have plans for the support of UML 2.0 in the immediate future, but it is a goal as the standard is completed and software components that support it (model repository, OCL, etc) become available.
