2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134983I review recent progress in calculating |V_{us}| from lattice QCD kaon and hyperon systems. A preliminary result from the first dynamical calculation in the hyperon channel is included.Talk given at 7th Particle Physics & Phenomenology Workshop. 15 pages, 6 figuresHigh Energy Physics - PhenomenologyHigh Energy Physics - Latticetext