* New: Show tiered pricing block in the product catalog.
* New: Compatibility with the new WooCommerce react-based product editor.
* New: New API for the tiered pricing fields.
* New: Integration with Addify Request a Quote plugin.
* Update: Frontend script updated.
* Update: New hooks.
* Update: Removed legacy hooks support.
* Update: WooCommerce & WordPress compatibility.
* Update: Other minor enhancements.
* Fix: Allow minimum quantity to be set to null.
* Fix: Plaintext template variables issue.
* Fix: Custom columns: total column always shows the price with taxes.
