Running beta 1 on Windows 7 x64. When I run list-tags, the "Class" column is empty and the class name appears under a column just titled "4".
Also, while trying to figure out why some tags had different icons next to them, I noticed that there's no pop-up text anymore when I hover the mouse over the icon(s) in the list-tags dialog.
(The extra icon "decoration" turned out to be on a couple of static functions. Still not sure what the little icon is supposed to represent -- it looked like a small lightning bolt?)