Openjfx library is available in maven central i.e https://mvnrepository.com/artifact/org.openjfx
Instead of Openjfx mods (co-bundled with JMC) use openjfx library from maven.
This might remove "ClassLoaderHook" which is implemented as part of JMC-5859.
Cannot run JOverflow in Eclipse running on JDK 11
Integrate org.openjfx library as dependency local local p2 and re-distribute with Update sites
Upgrade to Tycho 1.2.0 with class loader hook for javafx-swt.jar