Krieger, K., Brezinsek, S., Coenen, J. W., Frerichs, H., Kallenbach, A., Leonard, A. W., et al. (2025). Scrape-off layer and divertor physics – Chapter 5 of the special issue: on the path to tokamak burning plasma operation. Nuclear Fusion, 65: 043001. doi:10.1088/1741-4326/adaf42.