I have dhewm3 1.5.2rc1 installed via Flatpak. When I attempt to load Resurrection of Evil via the main menu (Mods->d3xp->Load Mod) I get a segfault. This doesn't occur with 1.5.1. However, I can run Resurrection of Evil directly with flatpak run org.dhewm3.Dhewm3 +set fs_game d3xp.
dhewm3-1.5.2rc1.log