EDIT: totally agree with the duplicate. Sorry for taking your time: I did search for 10 minutes before posting this. Cheers.
When I link to another question from a question or answer, the rendered markdown shows the title of the other question, e.g.:
But when we do it for comments, it does not (see my comment below).
I wish it would also render the question title on comments, as it really helps readers to find the new content.