Still actual in 18.04.
The Control Center applet shows "Super+Page Up" for "Move to workspace above" shortcut, but "gsettings get org.gnome.desktop.wm.keybindings switch-to-workspace-up" returns "['<Super>Page_Up', '<Control><Alt>Up']".
Still actual in 18.04.
The Control Center applet shows "Super+Page Up" for "Move to workspace above" shortcut, but "gsettings get org.gnome. desktop. wm.keybindings switch- to-workspace- up" returns "['<Super>Page_Up', '<Control> <Alt>Up' ]".