Material Browser, Content Library and Effect maker (new implementation) views open either too small sized on display or are not visible at all (on macOS) when they are added to a workspace. Attached screenshots from Windows and Linux.

• delete possible existing workspaces (.config/QtProject/workspaces)
• Start Design Studio and create a new project
• Add Content Library and Material Browser view to Default workspace
• -> Result as in attached pictures on Windows and Linux. On macOS could not find views at all from the display.
• Affects also new Effect maker view (see https://bugreports.qt.io/browse/QDS-10484)
• Tested with latest 4.3 snapshot and effect maker view part with my own build (Qt652 based)
• Does not reproduce in DS4.2