The summer issue of Croatian Operational Research Review (CrORR) journal – Volume 15, Number 1, 2024 is published. The issue consists of 8 original scientific papers from the area of operational research and related fields, such as data envelopment analysis, multicriteria decision making methods, multivariate statistical analysis, panel data analysis, bilinear programming, genetic algorithms and macroeconomic modelling. All scientific papers were sent to at least two independent reviewers for a double blind peer review process. As of this Issue, the editors encourage publication of papers which provide data and/or codes openly available in a public repository.