Am I using the wrong setting somewhere? When I read a post, it used to change color to show I had read it and I knew

[Qutzupalotl]

4. I can see visited threads on one column but not the other

on the Greatest Threads page. There are two versions of the layout. When sorted by Most Recent, itshows visited threads on the left (most recent) but not the right (most recs) : https://www.democraticunderground.com/?com=greatest_threads&sort1=recent

If you sort by Most Recs from the top bar, it's just the opposite, showing visited threads only on the right: https://www.democraticunderground.com/?com=greatest_threads&sort1=mostrecs