You did not post the complete context:
If you can find a user friendly way, e.g. not just adding the JavaFX jars to the code folder, please let me know. I would like to make that possible.
My interpretation of this is they are still needed and that seems to be the case with Processing 4.3.2 and Windows 10 for me. It may not be clear in the post but testing clarified this for me.
Absolute clarity and rigorous testing is needed to iterate down to working solutions and reporting issues.
I am going to end my participation in this topic.
Have fun!
:)