Redshift evolution of the Schechter parameters that fit the d²N/dzdW data from Mathes et al. (2017, M17), Chen (2017, C17), Bosman et al. (2017, B17), and Sebastian et al. (2024, S24). The M17 and S24 data points are published, while the C17 and C17+B17 data points are obtained by us by re-fitting the authors’ d²N/dzdW data (see caption of Fig. A.1). The solid curves are parametrizations of the form y = a(1 + z)^b/(1 + ((1 + z)/c)^d) fit to the W^⋆ data, and y = a(1 + z)^b fit to the N^⋆ and the α data. The best-fit parameters are listed in Table 1. The 1-σ bands are computed using bootstrapping over the data (W^⋆) and covariance-based bootstrapping over the fit parameters (N^⋆ and α).