No clue what’s going on there, I wish I had more PHP knowledge. I mean, apart from product_cat that I see mentioned there I can;t see a way of making the function know to cascade down the categort’s subcategory. Anyone from support willing to help?
If no, can you please tell the developer to have a look at it? I mean it currently half defeats the purpose of being there. Most small sites migh not have second level categories and they will be able to use the Super Search whilst bigger size shops with multiple sub categories and more products that would benefit from that tool, cannot use it! It doesn’t make sense.