https://github.com/sandptel/regolith-nix/blame/465e28bc593f5447fdb3e6e41c9df65209eb8aa9/ilia.nix#L65 ``` postInstall = '' mkdir -p $out/share/glib-2.0/schemas/ glib-compile-schemas --targetdir=$out/share/glib-2.0/schemas $src/data wrapProgram "$out/bin/ilia" --set XDG_DATA_DIRS "$out/share/gsettings-schemas/ilia-3.1" ''; ``` Mentioning 3.1 in wrapping the binary can cause future errors when the main package version would be updated.