This has been a tough year for college adcoms. There was widespread publicity given to the belief that international students would avoid US universities due to the current administration. There were also predictions that American students would flock to Canadian universities. So estimating acceptance rates and yields was difficult.
From what I have heard here on CC and elsewhere it seems that many US and Canadian universities are overenrolled.
In addition to the debacle at UC Irvine, there are reports that Northeastern, Boston University and Boston College are significantly over enrolled. In Canada McGill and University of Toronto are overenrolled, at least for international students.
What other colleges have you heard being over enrolled? Are there other major colleges that are under enrolled? A sign of that would be a large number of acceptances from the waitlist.