In the session control window, the user column is almost entirely 'dsilvers' (my username) except smproxy which shows my UID instead of my name. This has held true across three different systems I've tried it on.
This is how smproxy works, it is not a bug. xfce4-session simply reports the information a client provides.
mass reassign from zz-do-not-use to general, so i can remove the zz-do-not-use component. sorry for the spam, search for this string to filter these: fis7cldoq35p3kjdu74emc