This has been going on for some time but at first I thought the author removed the comment and only today was able to caught this red-handed.
The issue occurs when you get a notification for a new comment in a discussion ("X left a comment on ..."). When clicking on "comment" hyperlink, the discussion opens but not in the place where the new comment is. I
For example, I got a notification about a comment posted 6 hours ago. But after clicking on the hyperlink this is what was on my screen (old comment from 2018 somewhere in the middle of the thread):
However, when I scrolled to the bottom, I did find the comment posted 6 hours ago which I was expecting the hyperlink to navigate to.
URL itself seems to be correct because if I copy-paste it into a separate tab it works fine and takes me to the right comment: https://answers.sap.com/articles/491054/share-your-abap-gore.html?childToView=777818#comment-777818
However, the fun doesn't end here: try refreshing the page a few times and see how the screen jumps from one random 2018 comment to another. 🙂 Rather an odd problem.
(Using latest Firefox.)