Over-promise and under-deliver. Overv3 1/2 years later and nothing. Roon was $499 at that time and now is $699. Worked then, works now.
Darko raised Plexamp profile in this article: https://darko.audio/2020/09/a-short-film-about-plex-and-plexamp/
If you add bit perfect play and ability to control Plexamp remotely, audiophiles would have inexpensive alternative for Roon. That would significantly increase number of subscribers for Plex. Isn’t this obvious?