Package: nitrogen Architecture: amd64 Version: 1.6.1-2build1 Priority: extra Section: universe/x11 Origin: Ubuntu ## STEPS TO REPRODUCE 1. Install nitrogen from default apt repo. ```sudo apt update -y && sudo apt install nitrogen -y``` 1. Start nitrogen application and try to set a wallpaper. Or run `$nitrogen --restore` if `~/.config/nitrogen/*.cfg` exists ## OBSERVED RESULT Wallpaper is not set and the following is logged ```bash (nitrogen:10679): Gtk-WARNING **: 11:42:50.471: Unable to locate theme engine in module_path: "adwaita", UNKNOWN ROOT WINDOW TYPE DETECTED (plasmashell), please file a bug UNKNOWN ROOT WINDOW TYPE DETECTED (plasmashell), please file a bug WARNING: More than one Desktop window found: 0x 1e0001b 3 plasmashell 0x 1e00013 3 plasmashell ERR: Could not load "image-loading" from icon theme, this indicates a problem with your Gtk/Gtkmm install. (nitrogen:10679): Gtk-WARNING **: 11:43:20.507: Unable to locate theme engine in module_path: "adwaita", ``` EXPECTED RESULT Set wallpaper SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: 5.15.0-48-generic | Kubuntu 20.04 (available in About System) KDE Plasma Version: 5.18.8 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 ADDITIONAL INFORMATION
nitrogen is not compatible with how wallpapers in Plasma works See https://github.com/l3ib/nitrogen/issues/110
@Nicolas, thanks, I did came across this issue but wasn't much helpful. Does KDE support any other cross distro/DE way of setting wallpaper?