I see your point, but I don't think that it needs to be a surprise to be announced or made well-known. No one is surprised that Microsoft releases loads of patc

I see your point, but I don't think that it needs to be a surprise to be announced or made well-known. No one is surprised that Microsoft releases loads of patches every Patch Tuesday, but they still publicize it and make it well known and easy for people to find out about.