Thank you for your bug report. Do you get any error printed if you start nautilus from a commandline ? It's supposed to the use desktop portal for setting the wallpaper so maybe that's not working as expected from some reason...
Thank you for your bug report. Do you get any error printed if you start nautilus from a commandline ? It's supposed to the use desktop portal for setting the wallpaper so maybe that's not working as expected from some reason...