I noticed that in the recent past the behavior of the 'order' of tracks in a playlist has changed. I hope it is a bug and not by design. It used to be that you could specify the order of a smartlist (ie: Random) as you can now. In the past, if you clicked any of the headers in the detail view the view would re-order by the selected header but the rules for the smartlist would remain as Random. Now clicking the header of a column not only changes the display but also changes the rules of the smartlist.
Many times in a randomly sorted playlist I will click the Name header to more easily check the contents of the playlist or to check for a specific track. Obviously it is easier to find a track in alphabetical order. This does not mean that I actually want to change the order of the smartlist permanently. If I want to do that I will edit the samrtlist.
1 more issue with the new smartlist editing is that selecting a preset value for a modifier (ie: Random, Rating, etc) the correct value will be applied but the actual test never displays in the list. This makes editing and reading the rules of the smartlist a bit difficult.