Happy to share my experience. Pros: capable replacement for Google photos Face recognition, location map, etc Support for albums and sharing. Support for reading folders from local network
Roll the dice on these, YMMV ( there are not really cons to me but I work in tech and deal with far worse things)
Actively being developed. Good- things are fixed, new features added. Bad, have to update the server regularly , multiple times some weeks. Cost: free. You get what you pay for. There’s a donation cost, and I’ve been meaning to do that, but for free you may not get the help like for something you pay for. They do have an active community on Discord, so there’s that. Editing in mobile client only. Exposing to the Internet seems a bit tricky if you plan on doing it right ( securely) but you can use tail scale for external access, works fine.
I’ve been happy enough with it to turn off my google photo backup . Oh they do warn you to not to use this as your main backup since it’s under active development. Something what to consider. Hope this helps, happy to answer questions
If you’re just interested in the synch part, I’ve been using it without any issues for several months. Worked in a pixel 6a, upgraded to a pixel 8 pro and continued right where I left off