The International Congress on Myelodysplastic Syndromes (MDS 2021) is the premier forum for presenting the latest advancements in myelodysplastic syndromes and offers the ultimate platform to enhance your scientific knowledge, establish new collaborations and bring together the MDS community. The MDS 2021 Congress took place online, from 23-26 September 2021, and covered the most recent discoveries in the field, basic and translational research as well as all relevant clinical aspects of MDS diagnosis, prognosis, and management. Registration is still open, and the virtual platform with all educational content is accessible until the 31st of December 2021.