ProGuard can be downloaded from ProGuard’s GitHub page.
Download the most recent version and place the proguard-ant.jar in the build/proguard folder of the LuciadFusion release, next to the configuration files (+*+.pro).
The minimum supported version of ProGuard is 7.2. Please note that the version you use may impose additional requirements
on the Java version. See ProGuard’s Releases page for details on each ProGuard release.