I tend to make the distinction between friends and acquaintances. I do not share the information with acquintances - among many other things. However, if a person has become someone I consider a friend, then while I might not make a point in telling them, as if it were a confession, I do share if it becomes pertinent to a topic we are discussing. So far everyone has been quite accepting.
That said if I were to misjudge and consider someone a friend who ultimately proves to be judgemental, then this would be a great way to weed them out.