It looks like the items in album collections, artist collections and play history are shown twice. For example, album collections that should randomly show 8 albums show 16 albums. My Top 40 artist list show 80 artists, starting with number 1 again at 41. Play history shows about 50 items and then starts over with the same item again.
I have tried this on multiple devices with the most recent version of Plexamp and Plex Media Server on Synology, and the issue was replicated. They are all smart collections, I may need to add. I think that the problem was introduced 2 or 3 versions ago and I was hoping for a fix. Thus, reporting the issue may help.