For dock items, instead of showing window preview on hover, have single click either: open app if only one window exists for that app or show window previews if more than one window exists for the app. This would basically match the default Ubuntu dock behavior.
For dock items, instead of showing window preview on hover, have single click either: open app if only one window exists for that app or show window previews if more than one window exists for the app. This would basically match the default Ubuntu dock behavior.