I just made a fresh install of today's build of Raring (UGR if it matters). I install and uninstall iso's all the time, and have always been meticulous about backups. I have the installation process down to a science. Install the build, do any updates, run a little script that installs all the extra packages I like, and restore my deja-dup backup. Bang zoom – it's all configured to my liking. I've been using this technique since deja-dup has been in the repos.
Everything working fine with this installation, except deja-dup did not bring in a certain set of Gnome Shell settings. Here are the ones I can think of: Desktop background, nautilus settings, panel settings, extension state, favorites on launcher, font settings. Everything else came in just fine. No error message from deja-dup.
This with a backup I made just a couple of days ago, so there can't have been a wholesale change in how Gnome stores configurations and such since then. No complicated excludes in my deja-dup settings (besides, you can't exclude .files anyway) In any case, I've been getting this behavior for at least a month, probably longer. It is unique to Raring – everything works as always when I do a quantal or precise install. Is it deja-dup? Is it GS? Do I have poltergeists?
I'd be curious to hear if anyone has any idea as to what's going on, or has a fix...