true Apply system fonts to shell interface. true Extend top bar left box. true Legacy tray icons in top bar. false Convert legacy tray icons to greyscale. true Autofocus windows that demand attention. true Show desktop name in top bar. "GNOME Desktop" Set the top bar desktop name text. true Enable window titlebar actions on top bar click. true Restrict functionalities to the primary screen. true Hide top bar dropdown arrows. false Hide aggregate menu dropdown arrow. true Hide app menu dropdown arrow. true Hide app menu application icon. 0 Limit the width of the app menu. 0 means no limit. "end" The place where characters will be omitted when the max width of the app menu is reached. true Reduce top bar items spacing. "auto" Top bar window buttons position. "maximized" Use window title to replace the app-menu label. "maximized" Active window bottons in top bar. "default-dark" Top bar window buttons theme. "maximized" Select windows state to hide titlebars. "right" Select notification messages position. "auto" Hide top bar activities button.