The edition reflects the progression of the GNC from a focus in the early days on development of tools, materials and research to a much greater emphasis on strengthening country coordination and providing surge support to secure appropriate and high-quality nutrition programming in emergency contexts. The development of strong strategic partnerships has also been a critical development. Despite the enormous progress made by and through the cluster, there are still significant challenges, articulated in a guest editorialby Josephine Ippe, GNC Coordinator, and Carmel Dolan, ENN Technical Director and GNC Strategic Advisory Group member.