Some hours earlier, many people started reporting that they could not see anyone's submissions nor their own submissions on problems. This seems to have been fixed and interactive problems have a new feature!

Among recent submissions for interactive problems I noticed a new feature that appears when opening the submission from the submissions page on a user's profile, which now shows for each testcase the actual interaction (Input and Output) between the judge and your solution. And a contrast with the model solution for the problem.

Example from my submission 370197687 for 2133C - Нижний мир.

It seems as something messed up Codeforces submissions while they were implementing this new feedback feature. What do you think?