* Improvement - Product addon compatible.
* Improvement - V2 UI improvements.
* Improvement - V2 field validations.
* Improvement - Events: woo_discount_rules_before_apply_cart_discount
* Improvement - Events: advanced_woo_discount_rules_custom_target_for_simple_product_on_qty_update, advanced_woo_discount_rules_custom_target_for_variable_product_on_qty_update
* Improvement - Added compatible with WPC Product Timer for WooCommerce - in v2
* Improvement - Additional shortcode for discount bars - in v2
* Improvement - Strikeout based on tax settings - in v2
* Feature - Beta Subtotal promotion message.
* Fix - Third party coupon doesn't removed in checkout.
* Fix - Rule doesn't works for few attributes.
* Fix - Discount bar for BXGY.
* Fix - Calculating tax for discount fee.
* Fix - Calculating fee multiple time when calculate total is called multiple times.