2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/172687A review on the current state of mode physics in classical pulsators is presented. Two, currently in use, time-dependent convection models are compared and their applications on mode stability are discussed with particular emphasis on the location of the Delta Scuti instability strip.Accepted for publication in CoAst (invited paper), 9 pages, 4 figuresAstrophysicstext