With 10 minutes to spare, I was able to get yesterday's upgrade list. I do see that someone *was* 'upgraded' on the website.

Upgrade Standby List:
Capacity: 12 | Booked: Full | Checked In: Full
Customers Upgraded to First Class: No Upgrade Standby Customers
NAME SEAT
AHL, K. 1B
CLA, L. 3F
FOR, J. 2F
GIL, C. 3B
SMI, B. 2B
SMI, L. 2A