Found out recently that Mapillary broke the navigation in their web explorer. Couple years ago it showed a trace as a series of points: you click on one and see the photo.

Now it displays a line. You cannot click anywhere on the line, but have to trace your mouse cursor along it, searching for a photo. And only then you can click and see it.

I think they don't use Mapillary anymore at Meta, that's why all its parts are getting worse with time.