B4J Question OpenJDK vs B4X JDK?

Just trying to clarify what the difference is between the JDK on B4X and the ones from other sources.

Is it just the addition of JFX? Any other mods I should be aware of?

For Linux deployments of my server apps I use https://download.java.net to download OpenJDK and havent had any issues. For UI apps I use the B4X one.

Thanks