==and means the same thing as the old.== Multiple people are telling you that it means something different in their experience. Personally, I have 3 keys to my

==and means the same thing as the old.== Multiple people are telling you that it means something different in their experience. Personally, I have 3 keys to my house, but my house has only 1 keystone. Why would you replace a 3-letter word with an 8-letter word that means the same thing? Especially when you have to type the entire word "key" to get to "keystone".