update: I could solve my issues and now it works. thx very much.

Thanks. Indeed I had to change this setting. Will test it as soon as I could fix some sync issue with an image I have now. I think this prevents it also from working in background.

Also a synology client is missing. They should just provide a public API. Then we could build the clients by ourself instead of waiting for years.

can you add the option to choose holidays based on the state? many public holidays are just for some states/regions in many countries.