In category page or search result page, filter for specification attributes does not appear.
Done so far:
-Multiple spec attributes are defined
-Spec attributes added to multiple products (in Spec Attributes tab on Prroduct Edit page)
-Products are linked to same category (in Mappings tab on Product Edit page)
-"Allow Filtering" is checked for all attributes
-Tested both checked and unchecked "Show on product page"
-In mappings, "Is featured product" is not checked.
In CatalogPagingFilteringModel.PrepareSpecsFilters(..) , allFilters is null (e.g, not found in cache). We have not had time to do any further debugging.