I think we should let thunar support $THUNARX_DIRS + (native-search-paths + (list (search-path-specification + (variable "THUNARX_DIRS") + (files (list "lib/thunarx-3"))))) 1. https://gitlab.xfce.org/xfce/thunar/-/commit/848f1dfb2d2f404efa5371817285236d33b32a5c 2. https://gitlab.xfce.org/xfce/thunar/-/merge_requests/232