MAGETWO-50409: Changing order of configurable attributes is ignored on frontend

Author: Valeriy Nayda

app/code/Magento/ConfigurableProduct/Model/ConfigurableAttributeData.php

@@ -30,7 +30,7 @@ public function getAttributesData(Product $product, array $options = [])
             if ($attributeOptionsData) {
                 $productAttribute = $attribute->getProductAttribute();
                 $attributeId = $productAttribute->getId();
-                $attributes['swatch_' . $attributeId] = [
+                $attributes[] = [
                     'id' => $attributeId,
                     'code' => $productAttribute->getAttributeCode(),
                     'label' => $productAttribute->getStoreLabel($product->getStoreId()),