We're running an internal migration of all old players' stats to our new highly advanced statistics tracking backend. This means that stat changes will be a bit delayed while we ingest this huge backlog of data. Nothing is being lost, it'll just take a bit longer to show up in the in-game UIs.
YOU KNOW AN EXAM WILL BE YOUR FUNERAL WHEN THEY GIVE 20 MULTIPLE CHOICE QUESTIONS, 90 MINUTES, CALCULATOR AND A FORMULA SHEET
even with all of these I still messed up