I entered today in SO and there is not the small hyper-link to "Tag Subscription>>" that was on the right side of the page anymore. What is happening? is a SO update or it just happens to me?
EDIT: Here there is an image of what I am missing. You can appreciate that below ignored tags there is a "cross-site tag sets >>". In my case it was written "favourite tags >>" or "tags subscription >>" , I don't remember.
EDIT2 it looked like this: