There is no reason to believe that the prospects expressed in Part III are the ultimate ones for development of evidences about stellar evolutionary information. Instead, (and just as for all other domains of science) technology advances and the availability of funds and manpower will remain important discriminants for new knowledge. As it happened, a presentation of some significant and imminent and distant hardware programs was given at the JD8 and it has been chosen (out of sequence with its order in Kyoto)to end this report.