If you have an issue with a locked database and media scanning failing, Set Dashboard -> General -> Performance -> Set "Parallel library scan tasks limit" and "Parallel image encoding limit" both to 1
They are already working on the next release. You might want to hang where you are at for a bit if it is working correctly. 😉
It's been a wild month, let me tell you. Feels like riding a bull and not getting thrown off... 🐂
...Hoping each bug fix release doesn't bring more bugs🐂
I'm testing it on a "live" backup install with a limited library right now and so far, so good. We'll see how it does before I put it on my main machine. 🤭
I have a setup with a small library that I take with me on the go. If it gets messed up, No biggie to burn it and set it up again, esp since some of the other 10.9.* bugs included deleting media files.