> I could mass-delete photos older than a certain date in the Mac Photos app (or whatever its called these days) using a smart album, but then that mass deletio

> I could mass-delete photos older than a certain date in the Mac Photos app (or whatever its called these days) using a smart album, but then that mass deletion would not sync to iCloud. Why wouldn’t it sync? If I did this right now, my expectation is that it would sync. Is there a limitation in how this works?