...Magento/Catalog/Controller/Adminhtml/Product/Set/Save.php

...e/Magento/Catalog/Model/Product/Attribute/Backend/Sku.php

...e/Magento/Catalog/Model/Product/Gallery/CreateHandler.php

app/code/Magento/Catalog/Model/Product/Link/SaveHandler.php

app/code/Magento/Catalog/Model/ResourceModel/Category.php

...ode/Magento/Catalog/Model/ResourceModel/Eav/Attribute.php

...code/Magento/Catalog/Model/ResourceModel/Product/Link.php

...ento/CatalogInventory/Model/Stock/StockItemRepository.php

...ventory/Test/Unit/Model/Stock/StockItemRepositoryTest.php

...uct/Initialization/Helper/Plugin/UpdateConfigurations.php

...to/ConfigurableProduct/Model/Product/VariationHandler.php

...Initialization/Helper/Plugin/UpdateConfigurationsTest.php

.../adminhtml/web/js/components/dynamic-rows-configurable.js

app/code/Magento/Eav/Model/Entity/AbstractEntity.php

.../Magento/Eav/Model/Entity/Attribute/AbstractAttribute.php

...Entity/Attribute/AttributeGroupAlreadyExistsException.php

app/code/Magento/Eav/Model/ResourceModel/AttributeLoader.php

...de/Magento/Eav/Model/ResourceModel/AttributePersistor.php

app/code/Magento/Eav/Model/ResourceModel/CreateHandler.php

...agento/Eav/Model/ResourceModel/Entity/Attribute/Group.php