Created attachment 103621 [details] Main context menu on rght screen. Submenus on left screen I have bug in multimonitor configuration. Submenus opened on another monitor when I tryng call submenu in context menu. On attach Main context menu on rght screen. Submenus on left screen.
Handling of context menus is not handled by plasmashell, so there's not much we can do. Sorry. Please see https://bugreports.qt.io/browse/QTBUG-53813 FWIW, there's a patch in review on Qt at the moment.