Say I publish a notebook called "note.nb" to the cloud. Then I embed it on my website and play with it (e.g. http://www.fmt.if.usp.br/~gtlandi/qulib.html). Then I make some changes to "note.nb" and publish it again.
Then, when I open the website, I get something strange: first, I see the embed of the new notebook. But then after 1 second or so, it switches back to the old save. This seem to be only a viewing issue (maybe cookie related), since if I try to download the notebook, it download the correct version.