When I connected in this morning I found my staging site was completely reset. I have no idea what happened. It looks like the database is intact but all files in the OS were reset to default. On initial visit to the site the CSS was gone. That might have been from cache, dunno. All I can tell you is that the home page wasn't styled, the theme was back to default, and themes I had loaded were gone.
Shipper wasn't working and neither was managed backup, so the site wasn't moved off-system for recovery. So "*bewm* … total loss.
Oh well, it's a beta.