OK---I found the problem! In the integration settings tab I changed theme from "Autodetect" to "Radiance" and now everything works.
So the issue is that having the theme on "Autodetect" causes the wallpaper not to change for some reason. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1305203 Title: wallch does not change wallpapers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wallch/+bug/1305203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs