Editorial Preface

This annual issue embraces articles from three sets of sources: the first covering the topic Virtual Environments and Interaction Design Research at the University of Saint Joseph, Macao SAR, China, works selected and guest edited by Carlos Sena Caires and Gerald Estadieu; the second set are three extended articles from the International Conference on Graphics and Interaction (ICGI’2021), selected and guest edited by Daniel Mendes and Nuno Rodrigues; and, finally, two articles from the regular pipeline.