2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/180612An overview of recent developments in the renormalization and in the implementation of spacetime symmetries of noncommutative field theory is presented, and argued to be intimately related.9 pages; v2: Further comments and references added; Based on plenary lecture delivered at the VI Latin American Symposium on High Energy Physics, November 1-8, 2006, Puerto Vallarta, Mexico. To be published in the proceedings by American Institute of PhysicsHigh Energy Physics - Theorytext