2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36178I briefly review some of the recent progress in quantum field theory in curved spacetime and other aspects of semiclassical gravity, as reported at the D3 Workshop at GR15.7 pages, plain LaTeX 2.09 fileGeneral Relativity and Quantum CosmologyQuantum Fields in Curved Spacetimes and Semiclassical Approaches: A Workshop Summarytext