Then you need to understand what happens to the specific field type.
TEXT type fields are "Searchable" and are indexed in Search with the Article text itself (this is something that I just posed about that is available in the upcoming release).
Select, MultiSelect, Radio and Checkbox type fields will be enabled for FILTERING via the Refine by system on Category Pages that are associated with the field.
Rating Fields and Data Picker Fields are currently NOT Searchable and NOT Filterable.
I did, however, I clearly stated that Text Fields would be indexed in search: Updated - Article Fields: Text input fields are now indexed in search if Field is searchableI thought you said that you would add support for text fields in AMS 1.6.6.
You could NEVER Filter by custom fields before. FILTERING is something BRAND NEW and is done via the Refine By System.with the old version, you could filter