We have configurable products (for example colors red, blue and green) with tier price. All child products have same price and same tier prices. For example:
Buy 1 for € 6,36
Buy 12 for € 5,88
Buy 96 for € 4,80
Expected result
If a customer buys 15 green products and 5 red products (total 20 products) he should get tier price for ALL 20 products (in example he should get price of € 5,88 for 15 green and 5 red).
Actual result
magento only use tier price for 15 green products, but not for 5 red.
Preconditions
Magento 2.2.1 PHP 7.0.25 MySQL 5.7
Steps to reproduce
We have configurable products (for example colors red, blue and green) with tier price. All child products have same price and same tier prices. For example: Buy 1 for € 6,36 Buy 12 for € 5,88 Buy 96 for € 4,80
Expected result
If a customer buys 15 green products and 5 red products (total 20 products) he should get tier price for ALL 20 products (in example he should get price of € 5,88 for 15 green and 5 red).
Actual result
magento only use tier price for 15 green products, but not for 5 red.
Original Report: https://github.com/magento/magento2/issues/12233 by @matin73