* Fix - Product brand thumbnail lists were not mobile-friendly.
* Fix - Use shop_catalog image size for brand images.
* Fix - Bulk creating products using the REST endpoint did not create brands.
* Fix - Prevent invalid permalink structure.
* Fix - Updated coupon validation logic for WooCommerce 2.3+
* Tweak - PHP 7 compatibility.
* Tweak - Add brands to Structured Data.
* Tweak - Support non-latin [A-Z] alphabets with new filters for brand lists.
* Enhancement: Allow brands permalink base to be changed in settings.
* Enhancement: Add support for product CSV import/export.