May you please help me: this started to reproduce today, both on desktop and mobile site versions. I cannot see anything but scoring in Answer tab in Activity -> Summary, however, answers are seen in Profile. Also in Answers tab I cannot see question titles.
This happens not only on my user, but on any other user Activity tab.
Notes: cleared cache, tried in incognito mode and in different browsers. Console has no errors, same as network.
[support]tag on this question? If I understand correctly, that should notify the folks "upstairs".