Have "Add to Group" in Context Menus
In both the 3D View and Tree View it make workflows easier if the user selects what they want to add and then have a context menu option to add them to a group (via a menu list)
In both the 3D View and Tree View it make workflows easier if the user selects what they want to add and then have a context menu option to add them to a group (via a menu list)