WooCommerce Product Search 6.1.0

* Improved handling multiple instances of category filters; restricted terms offered to eligible terms within include and chosen context.
* Improved handling multiple instances of attribute filters as with category filters.
* Improved container IDs of live filters and live search.
* Added internal guards for string values on filter parameters.
* Fixes an issue where filters would be rendered multiple times in particular circumstances.
* Added the woocommerce_product_search_like_within filter.
* Fixed cross-filtering introducing unwanted terms on restricted filter terms with include.
* Updated the minimum WordPress version requirement to 4.6.
* Added the taxonomy renderer.
* Improved the adaptive term filter to take explicit inclusions into account.

2018.03.09 - version 2.0.2
* Guarded the indexing process from failing due to invalid taxonomies.
* Fixed an issue with no results displayed in the product search field when no categories are shown.
* Fixed an issue with category thumbnail and product filter images clashing.

2018.03.08 - version 2.0.1
* Fixed a fatal error with installations using WordPress before 4.9.0 due to a missing core API function.

* This major release requires WooCommerce 3.x to use new features while maintaining backwards-compatibility with WooCommerce 2.6 where these are not available.
* All new improvements and features listed below for this version __require__ WooCommerce 3.x.
* Added full support to use the search engine for all front and back end product searches.
* Automatically powers front and back end searches for products and added related options.
* Automatically replaces front end product search field where possible.
* Added the product indexer.
* Added search statistics.
* Added the report on Searches.
* Added the report on Search Queries.
* Added the Welcome section with useful information and links.
* Added the notice inviting to rate the extension.
* Added the Assistant to set up filter widgets.
* Added the Index section in settings.
* Updated the Thumbnails section in settings with additional thumbnail settings for product taxonomies.
* Updated the Weights section with additional settings.
* Removed the performance section in settings.
* Added live product filter facilities available through widgets, shortcodes and the extension's API.
* Added the Product Filter widget.
* Added the Product Category Filter widget.
* Added the Product Tag Filter widget.
* Added the Product Attribute Filter widget.
* Added the Price Filter widget.
* Added the [woocommerce_product_filter] shortcode.
* Added the [woocommerce_product_filter_products] shortcode.
* Added the [woocommerce_product_filter_attribute] shortcode.
* Added the [woocommerce_product_filter_category] shortcode.
* Added the [woocommerce_product_filter_tag] shortcode.
* Added the [woocommerce_product_filter_price] shortcode.
* Added product search filter image support for product categories, tags and attributes.
* Added new options to shorten titles and description for results in the search field.
* Added data deletion option.
* Replaced the "WooCommerce Instant Product Search" widget with the improved "Product Search Field" widget that offers additional options and much better default settings.
* Replaced use of language domain constant WOO_PS_PLUGIN_DOMAIN with string literal 'woocommerce-product-search' (*sigh*).
* Removed support for like_escape().
* Added WooCommerce version compatibility and tested up to tags.
* Removed the woocommerce_product_search_use_admin_ajax filter and product-search.php alternative.
* Optimized scripts.
* Added performance improvements with added minified scripts and styles.
* Updated the translation template.
* Updated the built-in styles for better appearance and theme-compatibility.
* Several minor fixes and improvements.