Changelog Details
* Warning – Lowest supported WooCommerce version is now 3.0
* Warning – Lowest supported WordPress version is now 4.0
* Feature – Product tag conditions for product, checkout and order fields
* Fix – Recalculating order item totals causes hidden meta data to show up
* Fix – Multiple file size limit validation problems when uploading in one batch
* Fix – Admin unable to save values for user fields set as billing/shipping fields
* Fix – Hidden internal meta data displayed in admin order quick view
* Fix – User field data is not processed when fields are printed in custom form
* Fix – Number field does not accept decimals with comma as a decimal separator
* Fix – Double taxes applied on product field display price
* Tweak – Quantity units with different configuration are now split into multiple cart items
* Tweak – Added settings field to change product list view button label
* Tweak – Performance improvements related to database queries
* Tweak – Other minor bug fixes and improvements
* Dev – Added filter wccf_email_display_product_field_values
* Dev – Added JS event rightpress_live_product_price_update_updated
* Dev – Renamed all helper classes, check for new method location if used in custom code
"WooCommerce Custom Fields"