I can't upgrade Java until I upgrade Servoy from 8.3.3 to 2019.12.1. In 8.3.3, I can open the Admin page and enter for selectedlnf 'javax.swing.plaf.metal.MetalLookAndFeel' and for lnf.theme 'com.incors.plaf.kunststoff.themes.KunststoffDesktopTheme'. After saving and restarting Developer, the solutions looks correct in the Form Editor and in the Smart Client preview. This is not the case in 2019.12.1 for things like comboboxes, tabs, check boxes, etc. Is this no longer a supported feature, am I missing a step or am I doing something wrong?
From 8.3.3:
From 2019.12.1: