Since Lightroom versions are currently much lower (e.g., v14-15), "56" likely refers to a futuristic or highly advanced version. A relevant feature to create would be .
: A feature that analyzes your entire 50,000+ photo catalog to learn your unique "aesthetic DNA." Search results for lightroom (56)
: After performing a search that yields 56 results, a "Create Feature" button would allow you to instantly save those specific criteria (keywords, metadata, or AI aesthetic scores) into a dynamic folder. Since Lightroom versions are currently much lower (e