New QTL, marker and genetic map data from two sweet cherry publications have been added to GDR. Calle A, Wünsch A. Multiple-population QTL mapping of maturity and fruit-quality traits reveals LG4 region as a breeding target in sweet cherry (Prunus avium L.).. Horticulture research. 2020; 7:127. Calle, A., Balas, F., Cai, L. et al. Fruit size and firmness QTL alleles of breeding interest identified in a sweet cherry ‘Ambrunés’ × ‘Sweetheart’ population. Mol Breeding 40, 86 (2020). https://doi.org/10.1007/s11032-020-01165-1