The release allows customization of the filter form on the Showcase index page and the search page. Previously, only the custom fields shared by all categories would be shown. Now, this is an option - "Multiple category search mode", and changing its value to "All fields" you can show all custom fields from all categories in the form.
Another enhancement in this version is the ability to see each prefix in the active filters list and remove them individually.
The new version is available for all licensed customers at
Feel free to suggest further enhancements for the add-on or report any issues you have and they will be addressed asap.
Please consider posting a review if you are using the add-on and let us and other users know how it works for you.
Thank you!