2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109206In this presentation, I will summarize the present status of the developments with a Universal Theory of Relativity \cite{smw-utr}. Some general challenges to be overcome will also be discussed.5 pages, 4 figures, Talk Presented at the South African Relativity Society's Einstein Centennial Meeting, September 25 - 26, 2005, Durban, South AfricaGeneral Physicstext