what's new?
1 (used on greeting someone) what's going on? how are you?
2 used to express the fact that a situation is entirely predictable.
❷ 2002The Mad Bull's Blog Jamaica is 'Prison Break Paradise'! Prisoners escape from jail so often that we have come to expect it as an at least once-a-week occurrence.…Yesterday it was all over the radio that a warder had been beaten, and that a prisoner had escaped! What's new?
☞ For other idioms containing new, see the entry for the main word in the idiom (for example, the new rock and roll at rock).