I've got one, and it's a bit embarrasing, since I only see this happening on a site where I have done a 301 from another tld, and actually, as it turns out done it badly.
I just dicovered that a request for
www.mydomain.nu/subdirectory/ gets redirected to www.mydomain.se/ instead of going to the right place:
Oh, and the update isn't rolling for me. I see the new PR for my sites on just about every DC since yesterday.