Yes, the bug is specific to nautilus. I don't know what all was updated that day, but some unity packages were definitely part of it (then I encountered some crazy unity bugs). Here's the .xsession-errors.
** Attachment added: "xsession errors" https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/967023/+attachment/2957447/+files/.xsession-errors -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/967023 Title: nautilus global menu and local menu active To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/967023/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs