DocsMultiplatform RuntimeConfiguration and advanced topicsConfiguration and advanced topics Adding Legacy Components in a Flow LayoutLegacy theme in MPRCustom widgetset and MPRLimitations of MPRSetting up production modePush and MPRUsing sessions with MPRUsing a custom legacy UI classStep-by-step migration guideStep 5 - Adding legacy components to Flow layoutsConfiguration and advanced topicsAdding Legacy Components in a Flow Layout