Magento 2 Admin Product Grid with Category Extension - Filter Product by Category
Specify the table when adding field to filter for the collection Eav/Model/ResourceModel/Entity/Attribute/Option/Collection.php · Issue #14572 · magento/magento2 · GitHub
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GitHub - aune-io/magento2-product-grid-category-filter: Add category column and filter in an efficient way to the product grid in the Magento 2 admin.
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