It’s probably database performance related. There’s a massive PR undergoing round after round of reviews that, when merged, will be a change to 10.12 and will resolve all of the new database performance issues experienced in certain edge cases (book libraries, large music libraries, large collections, etc)

On the Nvidia Shield the MPV backend doesn’t really work, it has an issue with stuttering. Works great on my other TV, though. Besides that, just a few crashes early on, nothing recently, though.

I’ve been using it for a couple months. It’s been great, for the most part

Is it an assumption if there’s a complete lack of unit tests?

So happy to hear this. It’s so nasty to me when devs lock essential features like offline playback behind a paywall.

Audiobookshelf is great. For iOS I’ve got a friend with an iPhone who said that Still is feature complete and the in-app purchases are basically just an optional donation.