Is there a way to change where it shows "custom value (x,y,z)" on the product page to show "Pack quantities"?


In order to change that text, could you please run the sql command below in the database to update the frontend_label for attribute module?
UPDATE `eav_attribute` SET `frontend_label`="Pack quantities" WHERE `attribute_code`= "custom_value";

For more information about product, please refer Quantity Dropdown for Magento 2 page.

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