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At least in Photos, the model is not what one would consider working. A quick example: "Halloween with [x]" works, because Halloween is recognized as a specific date. It works well. Christmas throws it for a loop. Christmas isn't thought of as a time but a state. So it'll show photos that look appropriately Christmassy, but the picks appear semi-random: it'll show one of about five taken in quick succession, but the…
That isn't "Apple Intelligence" (which is the generative stuff held over to the .1 releases). What you're describing is inference metadata + basic search logic and has been in iOS and macOS for several major versions now, constantly improving. And given that Christmas resolves to a date (it actually offers up the autocomplete of "Christmas Day" to make it easier, then simply making the search criteria a calendar date…
>Search for photos and videos in the Photos app simply by describing what you’re looking for. Apple Intelligence can even find a particular moment in a video clip that fits your search description and take you right to it.