We released a new version of APP4MC with a couple of new features and improvements.
Extract of APP4MC 2.1.0 Release notes
Model migration support (2.0.0 -> 2.1.0)
New local mode labels
New mode label event
Extended relational operators (<=, >=)
Extended channel fill condition (attribute: relation)
* Runnable dependencies
* Namespace members
Validations: New APP4MC.sim validations
Better handling of model compress / uncompress
New preference settings (editor preferences)
Several bug fixes
Recommended Java runtime is Java 11.
Minimum is Java 8 (with limitations if JavaFX is not included).
Amalthea components (model, validation, migration) are available at Maven Central