After several hours of monitoring the problem seems to be resolved.
Jan 15, 09:32 CET
A fix has been shipped and we are monitoring the changes.
Jan 15, 03:26 CET
We identified an issue with displaying evaluation data of users. We are working on a fix and will continue giving updates here. We are deeply sorry for the trouble with the the recent release.
Jan 14, 22:40 CET