For what it is worth, I have been running 1.28.0.5999 since 8/1 with no deadlocks yet. Logs are not useless to diagnose a deadlock, but additional steps are needed to provide the devs with all of the info that they need to see what is going on. Logs are just one piece of the puzzle; you would also need to provide the connections text file and the process dump for Plex Media Server. So if you do experience a deadlock on the latest version, here is the way to get all of the diagnostics that the Plex team needs to see what is going on:
Figured I would mention the process again since it is so far up in this thread.