diff --git a/vendor/magento/module-inventory-configurable-product/Plugin/CatalogInventory/UpdateLegacyStockItemForNewConfigurableProduct.php b/vendor/magento/module-inventory-configurable-product/Plugin/CatalogInventory/UpdateLegacyStockItemForNewConfigurableProduct.php
new file mode 100644
index 00000000000..0069c8e5de8
--- /dev/null
+++ b/vendor/magento/module-inventory-configurable-product/Plugin/CatalogInventory/UpdateLegacyStockItemForNewConfigurableProduct.php
@@ -0,0 +1,178 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventoryConfigurableProduct\Plugin\CatalogInventory;
+
+use Magento\Catalog\Model\ResourceModel\GetProductTypeById;
+use Magento\CatalogInventory\Model\ResourceModel\Stock\Item as ItemResourceModel;
+use Magento\CatalogInventory\Model\Stock\Item as StockItemModel;
+use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
+use Magento\Framework\App\RequestInterface;
+use Magento\Framework\Model\AbstractModel as StockItem;
+use Magento\Framework\Serialize\Serializer\Json;
+use Magento\InventoryCatalogApi\Model\GetSkusByProductIdsInterface;
+use Magento\InventorySalesApi\Api\AreProductsSalableInterface;
+use Magento\CatalogInventory\Model\Stock;
+use Magento\InventoryCatalog\Model\ResourceModel\UpdateLegacyStockItems;
+
+class UpdateLegacyStockItemForNewConfigurableProduct
+{
+    /**
+     * @var RequestInterface
+     */
+    private $request;
+
+    /**
+     * @var Json
+     */
+    private $serializer;
+
+    /**
+     * @var GetProductTypeById
+     */
+    private $getProductTypeById;
+
+    /**
+     * @var Configurable
+     */
+    private $configurableType;
+
+    /**
+     * @var GetSkusByProductIdsInterface
+     */
+    private $getSkusByProductIds;
+
+    /**
+     * @var AreProductsSalableInterface
+     */
+    private $areProductsSalable;
+
+    /**
+     * @var UpdateLegacyStockItems
+     */
+    private $updateLegacyStockItems;
+
+    /**
+     * @param RequestInterface $request
+     * @param Json $serializer
+     * @param GetProductTypeById $getProductTypeById
+     * @param Configurable $configurableType
+     * @param GetSkusByProductIdsInterface $getSkusByProductIds
+     * @param AreProductsSalableInterface $areProductsSalable
+     * @param UpdateLegacyStockItems $updateLegacyStockItems
+     */
+    public function __construct(
+        RequestInterface $request,
+        Json $serializer,
+        GetProductTypeById $getProductTypeById,
+        Configurable $configurableType,
+        GetSkusByProductIdsInterface $getSkusByProductIds,
+        AreProductsSalableInterface $areProductsSalable,
+        UpdateLegacyStockItems $updateLegacyStockItems
+    ) {
+        $this->request = $request;
+        $this->serializer = $serializer;
+        $this->getProductTypeById = $getProductTypeById;
+        $this->configurableType = $configurableType;
+        $this->getSkusByProductIds = $getSkusByProductIds;
+        $this->areProductsSalable = $areProductsSalable;
+        $this->updateLegacyStockItems = $updateLegacyStockItems;
+    }
+
+    /**
+     * Updates stock item for new configurable product based on variation's qty
+     *
+     * @param ItemResourceModel $subject
+     * @param ItemResourceModel $result
+     * @param StockItem $stockItem
+     * @return ItemResourceModel
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function afterSave(ItemResourceModel $subject, ItemResourceModel $result, StockItem $stockItem)
+    {
+        if ($stockItem->isObjectNew() &&
+            $stockItem->getIsInStock() &&
+            $this->getProductTypeById->execute($stockItem->getProductId()) === Configurable::TYPE_CODE
+        ) {
+            $configurableMatrix = $this->request->getParam('configurable-matrix-serialized');
+            if (!empty($configurableMatrix) && $configurableMatrix !== '[]') {
+                $this->updateStatus($stockItem, $this->hasStockStatusFromVariationMatrix($configurableMatrix));
+            } else {
+                $childrenIds = $this->configurableType->getChildrenIds($stockItem->getProductId());
+                $childrenIds = array_shift($childrenIds);
+                if (!empty($childrenIds)) {
+                    $this->updateStatus($stockItem, $this->hasStockStatusFromChildren($childrenIds));
+                }
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Updates Configurable stock status based on the variations
+     *
+     * @param StockItem $stockItem
+     * @param bool $isInStock
+     * @return void
+     */
+    private function updateStatus(StockItem $stockItem, bool $isInStock): void
+    {
+        if ($stockItem->getIsInStock() == $isInStock) {
+            return;
+        }
+        $stockItemData = [
+            StockItemModel::IS_IN_STOCK => $isInStock,
+            StockItemModel::STOCK_STATUS_CHANGED_AUTO => 1
+        ];
+        $this->updateLegacyStockItems->execute([$stockItem->getProductId()], $stockItemData);
+    }
+
+    /**
+     * Get stock status based on qty of the variation-matrix from request
+     *
+     * @param string $configurableMatrix
+     * @return bool
+     */
+    private function hasStockStatusFromVariationMatrix(string $configurableMatrix): bool
+    {
+        $configurableMatrix = $this->serializer->unserialize($configurableMatrix);
+        foreach ($configurableMatrix as $item) {
+            if (!empty($item['qty'])) {
+                return true;
+            } elseif (!empty($item['quantity_per_source'])) {
+                foreach ($item['quantity_per_source'] as $source) {
+                    if (!empty($source['quantity_per_source'])) {
+                        return true;
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Checks if configurable has salable options
+     *
+     * @param array $childrenIds
+     * @return bool
+     */
+    private function hasStockStatusFromChildren(array $childrenIds): bool
+    {
+        $skus = $this->getSkusByProductIds->execute($childrenIds);
+        $areSalableResults = $this->areProductsSalable->execute($skus, Stock::DEFAULT_STOCK_ID);
+        foreach ($areSalableResults as $productSalable) {
+            if ($productSalable->isSalable() === true) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
diff --git a/vendor/magento/module-inventory-configurable-product/Plugin/CatalogInventory/UpdateLegacyStockStatusForConfigurableProduct.php b/vendor/magento/module-inventory-configurable-product/Plugin/CatalogInventory/UpdateLegacyStockStatusForConfigurableProduct.php
new file mode 100644
index 00000000000..4bfd3fb71cb
--- /dev/null
+++ b/vendor/magento/module-inventory-configurable-product/Plugin/CatalogInventory/UpdateLegacyStockStatusForConfigurableProduct.php
@@ -0,0 +1,146 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventoryConfigurableProduct\Plugin\CatalogInventory;
+
+use Magento\Catalog\Model\ResourceModel\GetProductTypeById;
+use Magento\CatalogInventory\Model\ResourceModel\Stock\Item as ItemResourceModel;
+use Magento\Framework\Model\AbstractModel as StockItem;
+use Magento\InventoryCatalog\Model\ResourceModel\SetDataToLegacyStockStatus;
+use Magento\InventoryCatalogApi\Model\GetSkusByProductIdsInterface;
+use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
+use Magento\CatalogInventory\Model\Stock;
+use Magento\InventorySalesApi\Api\AreProductsSalableInterface;
+use Magento\InventoryConfiguration\Model\GetLegacyStockItem;
+
+/**
+ * Class provides after Plugin on Magento\CatalogInventory\Model\ResourceModel\Stock\Item::save
+ * to update legacy stock status for configurable product
+ */
+class UpdateLegacyStockStatusForConfigurableProduct
+{
+    /**
+     * @var GetProductTypeById
+     */
+    private $getProductTypeById;
+
+    /**
+     * @var SetDataToLegacyStockStatus
+     */
+    private $setDataToLegacyStockStatus;
+
+    /**
+     * @var GetSkusByProductIdsInterface
+     */
+    private $getSkusByProductIds;
+
+    /**
+     * @var Configurable
+     */
+    private $configurableType;
+
+    /**
+     * @var AreProductsSalableInterface
+     */
+    private $areProductsSalable;
+
+    /**
+     * @var GetLegacyStockItem
+     */
+    private $getLegacyStockItem;
+
+    /**
+     * @param GetProductTypeById $getProductTypeById
+     * @param SetDataToLegacyStockStatus $setDataToLegacyStockStatus
+     * @param GetSkusByProductIdsInterface $getSkusByProductIds
+     * @param Configurable $configurableType
+     * @param AreProductsSalableInterface $areProductsSalable
+     * @param GetLegacyStockItem $getLegacyStockItem
+     */
+    public function __construct(
+        GetProductTypeById $getProductTypeById,
+        SetDataToLegacyStockStatus $setDataToLegacyStockStatus,
+        GetSkusByProductIdsInterface $getSkusByProductIds,
+        Configurable $configurableType,
+        AreProductsSalableInterface $areProductsSalable,
+        GetLegacyStockItem $getLegacyStockItem
+    ) {
+        $this->getProductTypeById = $getProductTypeById;
+        $this->setDataToLegacyStockStatus = $setDataToLegacyStockStatus;
+        $this->getSkusByProductIds = $getSkusByProductIds;
+        $this->configurableType = $configurableType;
+        $this->areProductsSalable = $areProductsSalable;
+        $this->getLegacyStockItem = $getLegacyStockItem;
+    }
+
+    /**
+     * Update source item for legacy stock of a configurable product
+     *
+     * @param ItemResourceModel $subject
+     * @param ItemResourceModel $result
+     * @param StockItem $stockItem
+     * @return ItemResourceModel
+     * @throws Exception
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function afterSave(ItemResourceModel $subject, ItemResourceModel $result, StockItem $stockItem)
+    {
+        if ($stockItem->getIsInStock() &&
+            $this->getProductTypeById->execute($stockItem->getProductId()) === Configurable::TYPE_CODE
+        ) {
+            $productSku = $this->getSkusByProductIds
+                ->execute([$stockItem->getProductId()])[$stockItem->getProductId()];
+
+            if ($stockItem->getStockStatusChangedAuto() ||
+                ($this->stockStatusChange($productSku) && $this->hasChildrenInStock($stockItem->getProductId()))
+            ) {
+                $this->setDataToLegacyStockStatus->execute(
+                    $productSku,
+                    (float) $stockItem->getQty(),
+                    Stock::STOCK_IN_STOCK
+                );
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Checks if configurable product stock item status was changed
+     *
+     * @param string $sku
+     * @return bool
+     */
+    private function stockStatusChange(string $sku): bool
+    {
+        return $this->getLegacyStockItem->execute($sku)->getIsInStock() == Stock::STOCK_OUT_OF_STOCK;
+    }
+
+    /**
+     * Checks if configurable has salable options
+     *
+     * @param int $productId
+     * @return bool
+     */
+    private function hasChildrenInStock(int $productId): bool
+    {
+        $childrenIds = $this->configurableType->getChildrenIds($productId);
+        if (empty($childrenIds)) {
+            return false;
+        }
+        $skus = $this->getSkusByProductIds->execute(array_shift($childrenIds));
+        $areSalableResults = $this->areProductsSalable->execute($skus, Stock::DEFAULT_STOCK_ID);
+        foreach ($areSalableResults as $productSalable) {
+            if ($productSalable->isSalable() === true) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/vendor/magento/module-inventory-configurable-product/etc/di.xml b/vendor/magento/module-inventory-configurable-product/etc/di.xml
index 7b32be4f885..cfe1b00afbc 100644
--- a/vendor/magento/module-inventory-configurable-product/etc/di.xml
+++ b/vendor/magento/module-inventory-configurable-product/etc/di.xml
@@ -40,4 +40,13 @@
         <plugin name="update_parent_configurable_product_stock_status_in_legacy_stock"
                 type="Magento\InventoryConfigurableProduct\Plugin\InventoryApi\UpdateParentStockStatusInLegacyStockPlugin"/>
     </type>
+    <type name="Magento\CatalogInventory\Model\ResourceModel\Stock\Item">
+        <plugin name="after_update_stock_item_for_new_configurable_product"
+                type="Magento\InventoryConfigurableProduct\Plugin\CatalogInventory\UpdateLegacyStockItemForNewConfigurableProduct"
+                sortOrder="100"/>
+        <plugin name="update_source_stock_for_configurable_product"
+                type="Magento\InventoryConfigurableProduct\Plugin\CatalogInventory\UpdateLegacyStockStatusForConfigurableProduct"
+                sortOrder="200"/>
+
+    </type>
 </config>