diff --git a/app/code/Magento/ConfigurableProduct/Setup/Patch/Data/InstallInitialConfigurableAttributes.php b/app/code/Magento/ConfigurableProduct/Setup/Patch/Data/InstallInitialConfigurableAttributes.php
index f69d8529fb80..c6b173453f5e 100644
--- a/app/code/Magento/ConfigurableProduct/Setup/Patch/Data/InstallInitialConfigurableAttributes.php
+++ b/app/code/Magento/ConfigurableProduct/Setup/Patch/Data/InstallInitialConfigurableAttributes.php
@@ -6,16 +6,16 @@
 
 namespace Magento\ConfigurableProduct\Setup\Patch\Data;
 
+use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
 use Magento\Eav\Setup\EavSetup;
 use Magento\Eav\Setup\EavSetupFactory;
-use Magento\Framework\App\ResourceConnection;
 use Magento\Framework\Setup\ModuleDataSetupInterface;
 use Magento\Framework\Setup\Patch\DataPatchInterface;
 use Magento\Framework\Setup\Patch\PatchVersionInterface;
-use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
 
 /**
  * Class InstallInitialConfigurableAttributes
+ *
  * @package Magento\ConfigurableProduct\Setup\Patch
  */
 class InstallInitialConfigurableAttributes implements DataPatchInterface, PatchVersionInterface
@@ -24,6 +24,7 @@ class InstallInitialConfigurableAttributes implements DataPatchInterface, PatchV
      * @var ModuleDataSetupInterface
      */
     private $moduleDataSetup;
+
     /**
      * @var EavSetupFactory
      */
@@ -43,7 +44,7 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function apply()
     {
@@ -64,24 +65,27 @@ public function apply()
             'color'
         ];
         foreach ($attributes as $attributeCode) {
-            $relatedProductTypes = explode(
-                ',',
-                $eavSetup->getAttribute(\Magento\Catalog\Model\Product::ENTITY, $attributeCode, 'apply_to')
-            );
-            if (!in_array(Configurable::TYPE_CODE, $relatedProductTypes)) {
-                $relatedProductTypes[] = Configurable::TYPE_CODE;
-                $eavSetup->updateAttribute(
-                    \Magento\Catalog\Model\Product::ENTITY,
-                    $attributeCode,
-                    'apply_to',
-                    implode(',', $relatedProductTypes)
+            $attribute = $eavSetup->getAttribute(\Magento\Catalog\Model\Product::ENTITY, $attributeCode, 'apply_to');
+            if ($attribute) {
+                $relatedProductTypes = explode(
+                    ',',
+                    $attribute
                 );
+                if (!in_array(Configurable::TYPE_CODE, $relatedProductTypes)) {
+                    $relatedProductTypes[] = Configurable::TYPE_CODE;
+                    $eavSetup->updateAttribute(
+                        \Magento\Catalog\Model\Product::ENTITY,
+                        $attributeCode,
+                        'apply_to',
+                        implode(',', $relatedProductTypes)
+                    );
+                }
             }
         }
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public static function getDependencies()
     {
@@ -89,7 +93,7 @@ public static function getDependencies()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public static function getVersion()
     {
@@ -97,7 +101,7 @@ public static function getVersion()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getAliases()
     {
diff --git a/app/code/Magento/Customer/Test/Mftf/ActionGroup/StorefrontCustomerActionGroup.xml b/app/code/Magento/Customer/Test/Mftf/ActionGroup/StorefrontCustomerActionGroup.xml
index fc5c1b881752..c3b92b1af7f8 100644
--- a/app/code/Magento/Customer/Test/Mftf/ActionGroup/StorefrontCustomerActionGroup.xml
+++ b/app/code/Magento/Customer/Test/Mftf/ActionGroup/StorefrontCustomerActionGroup.xml
@@ -9,8 +9,8 @@
 <actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
     <actionGroup name="CustomerLogoutStorefrontByMenuItemsActionGroup">
-        <conditionalClick selector="{{StorefrontPanelHeaderSection.customerWelcome}}"
-                          dependentSelector="{{StorefrontPanelHeaderSection.customerWelcomeMenu}}"
+        <conditionalClick selector="{{StorefrontPanelHeaderSection.customerWelcomeMenu}}"
+                          dependentSelector="{{StorefrontPanelHeaderSection.customerLogoutLink}}"
                           visible="false"
                           stepKey="clickHeaderCustomerMenuButton" />
         <click selector="{{StorefrontPanelHeaderSection.customerLogoutLink}}" stepKey="clickSignOutButton" />
diff --git a/app/code/Magento/Customer/Test/Mftf/Section/StorefrontPanelHeaderSection.xml b/app/code/Magento/Customer/Test/Mftf/Section/StorefrontPanelHeaderSection.xml
index dab298f6b416..3610532c5356 100644
--- a/app/code/Magento/Customer/Test/Mftf/Section/StorefrontPanelHeaderSection.xml
+++ b/app/code/Magento/Customer/Test/Mftf/Section/StorefrontPanelHeaderSection.xml
@@ -15,8 +15,8 @@
         <element name="welcomeMessage" type="text" selector="header>.panel .greet.welcome" />
         <element name="createAnAccountLink" type="select" selector="//div[@class='panel wrapper']//li/a[contains(.,'Create an Account')]" timeout="30"/>
         <element name="notYouLink" type="button" selector=".greet.welcome span a"/>
-        <element name="customerWelcome" type="text" selector=".panel.header .customer-welcome"/>
-        <element name="customerWelcomeMenu" type="text" selector=".panel.header .customer-welcome .customer-menu"/>
+        <element name="customerWelcome" type="text" selector=".panel.header .greet.welcome"/>
+        <element name="customerWelcomeMenu" type="text" selector=".panel.header .customer-welcome .customer-name"/>
         <element name="customerLoginLink" type="button" selector=".panel.header .header.links .authorization-link a" timeout="30"/>
         <element name="customerLogoutLink" type="text" selector=".panel.header .customer-welcome .customer-menu .authorization-link a" timeout="30"/>
     </section>
diff --git a/app/code/Magento/Customer/view/frontend/templates/account/customer.phtml b/app/code/Magento/Customer/view/frontend/templates/account/customer.phtml
index 2bdb6ac044a9..b7b8796142de 100644
--- a/app/code/Magento/Customer/view/frontend/templates/account/customer.phtml
+++ b/app/code/Magento/Customer/view/frontend/templates/account/customer.phtml
@@ -16,7 +16,6 @@
               data-toggle="dropdown"
               data-trigger-keypress-button="true"
               data-bind="scope: 'customer'">
-            <span data-bind="text: customer().fullname"></span>
             <button type="button"
                     class="action switch"
                     tabindex="-1"
diff --git a/app/code/Magento/Downloadable/Observer/SaveDownloadableOrderItemObserver.php b/app/code/Magento/Downloadable/Observer/SaveDownloadableOrderItemObserver.php
index 64305cfce9b0..7c1d2748a3e9 100644
--- a/app/code/Magento/Downloadable/Observer/SaveDownloadableOrderItemObserver.php
+++ b/app/code/Magento/Downloadable/Observer/SaveDownloadableOrderItemObserver.php
@@ -9,6 +9,8 @@
 use Magento\Store\Model\ScopeInterface;
 
 /**
+ * Saves data from order to purchased links.
+ *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class SaveDownloadableOrderItemObserver implements ObserverInterface
@@ -92,9 +94,15 @@ public function execute(\Magento\Framework\Event\Observer $observer)
         if ($purchasedLink->getId()) {
             return $this;
         }
+        $storeId = $orderItem->getOrder()->getStoreId();
+        $orderStatusToEnableItem = $this->_scopeConfig->getValue(
+            \Magento\Downloadable\Model\Link\Purchased\Item::XML_PATH_ORDER_ITEM_STATUS,
+            ScopeInterface::SCOPE_STORE,
+            $storeId
+        );
         if (!$product) {
             $product = $this->_createProductModel()->setStoreId(
-                $orderItem->getOrder()->getStoreId()
+                $storeId
             )->load(
                 $orderItem->getProductId()
             );
@@ -150,6 +158,8 @@ public function execute(\Magento\Framework\Event\Observer $observer)
                         )->setNumberOfDownloadsBought(
                             $numberOfDownloads
                         )->setStatus(
+                            \Magento\Sales\Model\Order\Item::STATUS_PENDING == $orderStatusToEnableItem ?
+                            \Magento\Downloadable\Model\Link\Purchased\Item::LINK_STATUS_AVAILABLE :
                             \Magento\Downloadable\Model\Link\Purchased\Item::LINK_STATUS_PENDING
                         )->setCreatedAt(
                             $orderItem->getCreatedAt()
@@ -165,6 +175,8 @@ public function execute(\Magento\Framework\Event\Observer $observer)
     }
 
     /**
+     * Create purchased model.
+     *
      * @return \Magento\Downloadable\Model\Link\Purchased
      */
     protected function _createPurchasedModel()
@@ -173,6 +185,8 @@ protected function _createPurchasedModel()
     }
 
     /**
+     * Create product model.
+     *
      * @return \Magento\Catalog\Model\Product
      */
     protected function _createProductModel()
@@ -181,6 +195,8 @@ protected function _createProductModel()
     }
 
     /**
+     * Create purchased item model.
+     *
      * @return \Magento\Downloadable\Model\Link\Purchased\Item
      */
     protected function _createPurchasedItemModel()
@@ -189,6 +205,8 @@ protected function _createPurchasedItemModel()
     }
 
     /**
+     * Create items collection.
+     *
      * @return \Magento\Downloadable\Model\ResourceModel\Link\Purchased\Item\Collection
      */
     protected function _createItemsCollection()
diff --git a/app/code/Magento/Quote/Model/Quote/Item/Compare.php b/app/code/Magento/Quote/Model/Quote/Item/Compare.php
index ddaa636ef32b..76ba324518dc 100644
--- a/app/code/Magento/Quote/Model/Quote/Item/Compare.php
+++ b/app/code/Magento/Quote/Model/Quote/Item/Compare.php
@@ -50,7 +50,7 @@ protected function getOptionValues($value)
         if (is_string($value) && $this->jsonValidator->isValid($value)) {
             $value = $this->serializer->unserialize($value);
             if (is_array($value)) {
-                unset($value['qty'], $value['uenc']);
+                unset($value['qty'], $value['uenc'], $value['related_product'], $value['item']);
                 $value = array_filter($value, function ($optionValue) {
                     return !empty($optionValue);
                 });
diff --git a/app/code/Magento/Sales/Model/Order/Creditmemo/Sender/EmailSender.php b/app/code/Magento/Sales/Model/Order/Creditmemo/Sender/EmailSender.php
index ecd5670a319e..3d2c13cbaaaa 100644
--- a/app/code/Magento/Sales/Model/Order/Creditmemo/Sender/EmailSender.php
+++ b/app/code/Magento/Sales/Model/Order/Creditmemo/Sender/EmailSender.php
@@ -89,6 +89,7 @@ public function __construct(
      * @param bool $forceSyncMode
      *
      * @return bool
+     * @throws \Exception
      */
     public function send(
         \Magento\Sales\Api\Data\OrderInterface $order,
@@ -96,7 +97,7 @@ public function send(
         \Magento\Sales\Api\Data\CreditmemoCommentCreationInterface $comment = null,
         $forceSyncMode = false
     ) {
-        $creditmemo->setSendEmail(true);
+        $creditmemo->setSendEmail($this->identityContainer->isEnabled());
 
         if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
             $transport = [
@@ -145,6 +146,7 @@ public function send(
      * @param \Magento\Sales\Api\Data\OrderInterface $order
      *
      * @return string
+     * @throws \Exception
      */
     private function getPaymentHtml(\Magento\Sales\Api\Data\OrderInterface $order)
     {
diff --git a/app/code/Magento/Sales/Model/Order/Email/Sender/CreditmemoSender.php b/app/code/Magento/Sales/Model/Order/Email/Sender/CreditmemoSender.php
index 800448358311..126fe4f93f1e 100644
--- a/app/code/Magento/Sales/Model/Order/Email/Sender/CreditmemoSender.php
+++ b/app/code/Magento/Sales/Model/Order/Email/Sender/CreditmemoSender.php
@@ -57,10 +57,10 @@ class CreditmemoSender extends Sender
      * @param CreditmemoIdentity $identityContainer
      * @param Order\Email\SenderBuilderFactory $senderBuilderFactory
      * @param \Psr\Log\LoggerInterface $logger
+     * @param Renderer $addressRenderer
      * @param PaymentHelper $paymentHelper
      * @param CreditmemoResource $creditmemoResource
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $globalConfig
-     * @param Renderer $addressRenderer
      * @param ManagerInterface $eventManager
      */
     public function __construct(
@@ -96,10 +96,11 @@ public function __construct(
      * @param Creditmemo $creditmemo
      * @param bool $forceSyncMode
      * @return bool
+     * @throws \Exception
      */
     public function send(Creditmemo $creditmemo, $forceSyncMode = false)
     {
-        $creditmemo->setSendEmail(true);
+        $creditmemo->setSendEmail($this->identityContainer->isEnabled());
 
         if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
             $order = $creditmemo->getOrder();
@@ -146,6 +147,7 @@ public function send(Creditmemo $creditmemo, $forceSyncMode = false)
      *
      * @param Order $order
      * @return string
+     * @throws \Exception
      */
     protected function getPaymentHtml(Order $order)
     {
diff --git a/app/code/Magento/Sales/Model/Order/Email/Sender/InvoiceSender.php b/app/code/Magento/Sales/Model/Order/Email/Sender/InvoiceSender.php
index 994fd79945cf..ba3895cfa152 100644
--- a/app/code/Magento/Sales/Model/Order/Email/Sender/InvoiceSender.php
+++ b/app/code/Magento/Sales/Model/Order/Email/Sender/InvoiceSender.php
@@ -57,10 +57,10 @@ class InvoiceSender extends Sender
      * @param InvoiceIdentity $identityContainer
      * @param Order\Email\SenderBuilderFactory $senderBuilderFactory
      * @param \Psr\Log\LoggerInterface $logger
+     * @param Renderer $addressRenderer
      * @param PaymentHelper $paymentHelper
      * @param InvoiceResource $invoiceResource
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $globalConfig
-     * @param Renderer $addressRenderer
      * @param ManagerInterface $eventManager
      */
     public function __construct(
@@ -96,10 +96,11 @@ public function __construct(
      * @param Invoice $invoice
      * @param bool $forceSyncMode
      * @return bool
+     * @throws \Exception
      */
     public function send(Invoice $invoice, $forceSyncMode = false)
     {
-        $invoice->setSendEmail(true);
+        $invoice->setSendEmail($this->identityContainer->isEnabled());
 
         if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
             $order = $invoice->getOrder();
@@ -146,6 +147,7 @@ public function send(Invoice $invoice, $forceSyncMode = false)
      *
      * @param Order $order
      * @return string
+     * @throws \Exception
      */
     protected function getPaymentHtml(Order $order)
     {
diff --git a/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php b/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php
index 6729c746f556..10e5e37a4939 100644
--- a/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php
+++ b/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php
@@ -57,10 +57,10 @@ class ShipmentSender extends Sender
      * @param ShipmentIdentity $identityContainer
      * @param Order\Email\SenderBuilderFactory $senderBuilderFactory
      * @param \Psr\Log\LoggerInterface $logger
+     * @param Renderer $addressRenderer
      * @param PaymentHelper $paymentHelper
      * @param ShipmentResource $shipmentResource
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $globalConfig
-     * @param Renderer $addressRenderer
      * @param ManagerInterface $eventManager
      */
     public function __construct(
@@ -96,10 +96,11 @@ public function __construct(
      * @param Shipment $shipment
      * @param bool $forceSyncMode
      * @return bool
+     * @throws \Exception
      */
     public function send(Shipment $shipment, $forceSyncMode = false)
     {
-        $shipment->setSendEmail(true);
+        $shipment->setSendEmail($this->identityContainer->isEnabled());
 
         if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
             $order = $shipment->getOrder();
@@ -146,6 +147,7 @@ public function send(Shipment $shipment, $forceSyncMode = false)
      *
      * @param Order $order
      * @return string
+     * @throws \Exception
      */
     protected function getPaymentHtml(Order $order)
     {
diff --git a/app/code/Magento/Sales/Model/Order/Invoice/Sender/EmailSender.php b/app/code/Magento/Sales/Model/Order/Invoice/Sender/EmailSender.php
index aa0687bee504..5ae3306ddf75 100644
--- a/app/code/Magento/Sales/Model/Order/Invoice/Sender/EmailSender.php
+++ b/app/code/Magento/Sales/Model/Order/Invoice/Sender/EmailSender.php
@@ -89,6 +89,7 @@ public function __construct(
      * @param bool $forceSyncMode
      *
      * @return bool
+     * @throws \Exception
      */
     public function send(
         \Magento\Sales\Api\Data\OrderInterface $order,
@@ -96,7 +97,7 @@ public function send(
         \Magento\Sales\Api\Data\InvoiceCommentCreationInterface $comment = null,
         $forceSyncMode = false
     ) {
-        $invoice->setSendEmail(true);
+        $invoice->setSendEmail($this->identityContainer->isEnabled());
 
         if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
             $transport = [
@@ -145,6 +146,7 @@ public function send(
      * @param \Magento\Sales\Api\Data\OrderInterface $order
      *
      * @return string
+     * @throws \Exception
      */
     private function getPaymentHtml(\Magento\Sales\Api\Data\OrderInterface $order)
     {
diff --git a/app/code/Magento/Sales/Model/Order/Shipment/Sender/EmailSender.php b/app/code/Magento/Sales/Model/Order/Shipment/Sender/EmailSender.php
index 0a393548069f..3657f84d4445 100644
--- a/app/code/Magento/Sales/Model/Order/Shipment/Sender/EmailSender.php
+++ b/app/code/Magento/Sales/Model/Order/Shipment/Sender/EmailSender.php
@@ -89,6 +89,7 @@ public function __construct(
      * @param bool $forceSyncMode
      *
      * @return bool
+     * @throws \Exception
      */
     public function send(
         \Magento\Sales\Api\Data\OrderInterface $order,
@@ -96,7 +97,7 @@ public function send(
         \Magento\Sales\Api\Data\ShipmentCommentCreationInterface $comment = null,
         $forceSyncMode = false
     ) {
-        $shipment->setSendEmail(true);
+        $shipment->setSendEmail($this->identityContainer->isEnabled());
 
         if (!$this->globalConfig->getValue('sales_email/general/async_sending') || $forceSyncMode) {
             $transport = [
@@ -145,6 +146,7 @@ public function send(
      * @param \Magento\Sales\Api\Data\OrderInterface $order
      *
      * @return string
+     * @throws \Exception
      */
     private function getPaymentHtml(\Magento\Sales\Api\Data\OrderInterface $order)
     {
diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/Sender/EmailSenderTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/Sender/EmailSenderTest.php
index 9fd2a8b0d929..467476c9bb40 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/Sender/EmailSenderTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/Sender/EmailSenderTest.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
@@ -249,7 +248,7 @@ public function testSend($configValue, $forceSyncMode, $isComment, $emailSending
 
         $this->creditmemoMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with($emailSendingResult);
 
         if (!$configValue || $forceSyncMode) {
             $transport = [
@@ -279,7 +278,7 @@ public function testSend($configValue, $forceSyncMode, $isComment, $emailSending
                 ->method('setTemplateVars')
                 ->with($transport->getData());
 
-            $this->identityContainerMock->expects($this->once())
+            $this->identityContainerMock->expects($this->exactly(2))
                 ->method('isEnabled')
                 ->willReturn($emailSendingResult);
 
diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/CreditmemoSenderTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/CreditmemoSenderTest.php
index 31bf84668923..1f074d7262f4 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/CreditmemoSenderTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/CreditmemoSenderTest.php
@@ -7,6 +7,9 @@
 
 use Magento\Sales\Model\Order\Email\Sender\CreditmemoSender;
 
+/**
+ * Test for Magento\Sales\Model\Order\Email\Sender\CreditmemoSender class.
+ */
 class CreditmemoSenderTest extends AbstractSenderTest
 {
     /**
@@ -90,7 +93,7 @@ public function testSend($configValue, $forceSyncMode, $customerNoteNotify, $ema
 
         $this->creditmemoMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with($emailSendingResult);
 
         $this->globalConfig->expects($this->once())
             ->method('getValue')
@@ -130,7 +133,7 @@ public function testSend($configValue, $forceSyncMode, $customerNoteNotify, $ema
                     ]
                 );
 
-            $this->identityContainerMock->expects($this->once())
+            $this->identityContainerMock->expects($this->exactly(2))
                 ->method('isEnabled')
                 ->willReturn($emailSendingResult);
 
@@ -197,6 +200,8 @@ public function sendDataProvider()
      * @param bool $isVirtualOrder
      * @param int $formatCallCount
      * @param string|null $expectedShippingAddress
+     *
+     * @return void
      * @dataProvider sendVirtualOrderDataProvider
      */
     public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expectedShippingAddress)
@@ -207,7 +212,7 @@ public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expecte
 
         $this->creditmemoMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with(false);
 
         $this->globalConfig->expects($this->once())
             ->method('getValue')
@@ -242,7 +247,7 @@ public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expecte
                 ]
             );
 
-        $this->identityContainerMock->expects($this->once())
+        $this->identityContainerMock->expects($this->exactly(2))
             ->method('isEnabled')
             ->willReturn(false);
 
diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/InvoiceSenderTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/InvoiceSenderTest.php
index 9c54c716e420..d1aa5af53da4 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/InvoiceSenderTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/InvoiceSenderTest.php
@@ -7,6 +7,9 @@
 
 use Magento\Sales\Model\Order\Email\Sender\InvoiceSender;
 
+/**
+ * Test for Magento\Sales\Model\Order\Email\Sender\InvoiceSender class.
+ */
 class InvoiceSenderTest extends AbstractSenderTest
 {
     /**
@@ -90,7 +93,7 @@ public function testSend($configValue, $forceSyncMode, $customerNoteNotify, $ema
 
         $this->invoiceMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with($emailSendingResult);
 
         $this->globalConfig->expects($this->once())
             ->method('getValue')
@@ -136,7 +139,7 @@ public function testSend($configValue, $forceSyncMode, $customerNoteNotify, $ema
                     ]
                 );
 
-            $this->identityContainerMock->expects($this->once())
+            $this->identityContainerMock->expects($this->exactly(2))
                 ->method('isEnabled')
                 ->willReturn($emailSendingResult);
 
@@ -212,7 +215,7 @@ public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expecte
 
         $this->invoiceMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with(false);
 
         $this->globalConfig->expects($this->once())
             ->method('getValue')
@@ -247,7 +250,7 @@ public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expecte
                 ]
             );
 
-        $this->identityContainerMock->expects($this->once())
+        $this->identityContainerMock->expects($this->exactly(2))
             ->method('isEnabled')
             ->willReturn(false);
 
diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/ShipmentSenderTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/ShipmentSenderTest.php
index b1b18af63b59..2d7b42bccae5 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/ShipmentSenderTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Email/Sender/ShipmentSenderTest.php
@@ -7,6 +7,9 @@
 
 use Magento\Sales\Model\Order\Email\Sender\ShipmentSender;
 
+/**
+ * Test for Magento\Sales\Model\Order\Email\Sender\ShipmentSender class.
+ */
 class ShipmentSenderTest extends AbstractSenderTest
 {
     /**
@@ -90,7 +93,7 @@ public function testSend($configValue, $forceSyncMode, $customerNoteNotify, $ema
 
         $this->shipmentMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with($emailSendingResult);
 
         $this->globalConfig->expects($this->once())
             ->method('getValue')
@@ -136,7 +139,7 @@ public function testSend($configValue, $forceSyncMode, $customerNoteNotify, $ema
                     ]
                 );
 
-            $this->identityContainerMock->expects($this->once())
+            $this->identityContainerMock->expects($this->exactly(2))
                 ->method('isEnabled')
                 ->willReturn($emailSendingResult);
 
@@ -212,7 +215,7 @@ public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expecte
 
         $this->shipmentMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with(false);
 
         $this->globalConfig->expects($this->once())
             ->method('getValue')
@@ -247,7 +250,7 @@ public function testSendVirtualOrder($isVirtualOrder, $formatCallCount, $expecte
                 ]
             );
 
-        $this->identityContainerMock->expects($this->once())
+        $this->identityContainerMock->expects($this->exactly(2))
             ->method('isEnabled')
             ->willReturn(false);
         $this->shipmentResourceMock->expects($this->once())
diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Invoice/Sender/EmailSenderTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Invoice/Sender/EmailSenderTest.php
index 8a4e2920ba20..dcf689cf7d53 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Invoice/Sender/EmailSenderTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Invoice/Sender/EmailSenderTest.php
@@ -247,7 +247,7 @@ public function testSend($configValue, $forceSyncMode, $isComment, $emailSending
 
         $this->invoiceMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with($emailSendingResult);
 
         if (!$configValue || $forceSyncMode) {
             $transport = [
@@ -277,7 +277,7 @@ public function testSend($configValue, $forceSyncMode, $isComment, $emailSending
                 ->method('setTemplateVars')
                 ->with($transport->getData());
 
-            $this->identityContainerMock->expects($this->once())
+            $this->identityContainerMock->expects($this->exactly(2))
                 ->method('isEnabled')
                 ->willReturn($emailSendingResult);
 
diff --git a/app/code/Magento/Sales/Test/Unit/Model/Order/Shipment/Sender/EmailSenderTest.php b/app/code/Magento/Sales/Test/Unit/Model/Order/Shipment/Sender/EmailSenderTest.php
index 94347e8b32d5..391e99ba6f83 100644
--- a/app/code/Magento/Sales/Test/Unit/Model/Order/Shipment/Sender/EmailSenderTest.php
+++ b/app/code/Magento/Sales/Test/Unit/Model/Order/Shipment/Sender/EmailSenderTest.php
@@ -249,7 +249,7 @@ public function testSend($configValue, $forceSyncMode, $isComment, $emailSending
 
         $this->shipmentMock->expects($this->once())
             ->method('setSendEmail')
-            ->with(true);
+            ->with($emailSendingResult);
 
         if (!$configValue || $forceSyncMode) {
             $transport = [
@@ -279,7 +279,7 @@ public function testSend($configValue, $forceSyncMode, $isComment, $emailSending
                 ->method('setTemplateVars')
                 ->with($transport->getData());
 
-            $this->identityContainerMock->expects($this->once())
+            $this->identityContainerMock->expects($this->exactly(2))
                 ->method('isEnabled')
                 ->willReturn($emailSendingResult);
 
diff --git a/app/design/frontend/Magento/luma/Magento_Theme/web/css/source/_module.less b/app/design/frontend/Magento/luma/Magento_Theme/web/css/source/_module.less
index 1f1ea93d0b54..dfcc51e0a0a2 100644
--- a/app/design/frontend/Magento/luma/Magento_Theme/web/css/source/_module.less
+++ b/app/design/frontend/Magento/luma/Magento_Theme/web/css/source/_module.less
@@ -112,6 +112,10 @@
                 font-size: @font-size__base;
                 margin: 0 0 0 15px;
 
+                &.customer-welcome {
+                    margin: 0 0 0 5px;
+                }
+
                 > a {
                     .lib-link(
                     @_link-color: @header-panel__text-color,
diff --git a/dev/tests/integration/testsuite/Magento/Sales/_files/order_list.php b/dev/tests/integration/testsuite/Magento/Sales/_files/order_list.php
index 1f4253f18487..99122d72df4b 100644
--- a/dev/tests/integration/testsuite/Magento/Sales/_files/order_list.php
+++ b/dev/tests/integration/testsuite/Magento/Sales/_files/order_list.php
@@ -9,6 +9,7 @@
 use Magento\Sales\Model\Order\Address as OrderAddress;
 use Magento\Sales\Model\Order\Payment;
 
+// phpcs:ignore Magento2.Security.IncludeFile
 require 'order.php';
 /** @var Order $order */
 /** @var  Order\Payment $payment */
@@ -24,8 +25,7 @@
         'subtotal' => 120.00,
         'base_grand_total' => 120.00,
         'store_id' => 1,
-        'website_id' => 1,
-        'payment' => $payment
+        'website_id' => 1
     ],
     [
         'increment_id' => '100000003',
@@ -35,8 +35,7 @@
         'base_grand_total' => 140.00,
         'subtotal' => 140.00,
         'store_id' => 0,
-        'website_id' => 0,
-        'payment' => $payment
+        'website_id' => 0
     ],
     [
         'increment_id' => '100000004',
@@ -46,8 +45,7 @@
         'base_grand_total' => 140.00,
         'subtotal' => 140.00,
         'store_id' => 1,
-        'website_id' => 1,
-        'payment' => $payment
+        'website_id' => 1
     ],
 ];
 
diff --git a/lib/internal/Magento/Framework/App/DocRootLocator.php b/lib/internal/Magento/Framework/App/DocRootLocator.php
index 6fb35c42f133..d73baf8e4e74 100644
--- a/lib/internal/Magento/Framework/App/DocRootLocator.php
+++ b/lib/internal/Magento/Framework/App/DocRootLocator.php
@@ -3,10 +3,12 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\Framework\App;
 
 use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\Filesystem;
 use Magento\Framework\Filesystem\Directory\ReadFactory;
 
 /**
@@ -20,18 +22,26 @@ class DocRootLocator
     private $request;
 
     /**
+     * @deprecated
      * @var ReadFactory
      */
     private $readFactory;
 
+    /**
+     * @var Filesystem
+     */
+    private $filesystem;
+
     /**
      * @param RequestInterface $request
      * @param ReadFactory $readFactory
+     * @param Filesystem|null $filesystem
      */
-    public function __construct(RequestInterface $request, ReadFactory $readFactory)
+    public function __construct(RequestInterface $request, ReadFactory $readFactory, Filesystem $filesystem = null)
     {
         $this->request = $request;
         $this->readFactory = $readFactory;
+        $this->filesystem = $filesystem ?: ObjectManager::getInstance()->get(Filesystem::class);
     }
 
     /**
@@ -42,7 +52,8 @@ public function __construct(RequestInterface $request, ReadFactory $readFactory)
     public function isPub()
     {
         $rootBasePath = $this->request->getServer('DOCUMENT_ROOT');
-        $readDirectory = $this->readFactory->create(DirectoryList::ROOT);
-        return (substr($rootBasePath, -strlen('/pub')) === '/pub') && !$readDirectory->isExist($rootBasePath . 'setup');
+        $readDirectory = $this->filesystem->getDirectoryRead(DirectoryList::ROOT);
+
+        return (substr($rootBasePath, -\strlen('/pub')) === '/pub') && ! $readDirectory->isExist('setup');
     }
 }
diff --git a/lib/internal/Magento/Framework/App/Test/Unit/DocRootLocatorTest.php b/lib/internal/Magento/Framework/App/Test/Unit/DocRootLocatorTest.php
index 23afbbc73d2b..ef4152ba2e49 100644
--- a/lib/internal/Magento/Framework/App/Test/Unit/DocRootLocatorTest.php
+++ b/lib/internal/Magento/Framework/App/Test/Unit/DocRootLocatorTest.php
@@ -8,6 +8,9 @@
 
 use Magento\Framework\App\DocRootLocator;
 
+/**
+ * Test for Magento\Framework\App\DocRootLocator class.
+ */
 class DocRootLocatorTest extends \PHPUnit\Framework\TestCase
 {
     /**
@@ -21,11 +24,15 @@ public function testIsPub($path, $isExist, $result)
     {
         $request = $this->createMock(\Magento\Framework\App\Request\Http::class);
         $request->expects($this->once())->method('getServer')->willReturn($path);
+
+        $readFactory = $this->createMock(\Magento\Framework\Filesystem\Directory\ReadFactory::class);
+
         $reader = $this->createMock(\Magento\Framework\Filesystem\Directory\Read::class);
+        $filesystem = $this->createMock(\Magento\Framework\Filesystem::class);
+        $filesystem->expects($this->once())->method('getDirectoryRead')->willReturn($reader);
         $reader->expects($this->any())->method('isExist')->willReturn($isExist);
-        $readFactory = $this->createMock(\Magento\Framework\Filesystem\Directory\ReadFactory::class);
-        $readFactory->expects($this->once())->method('create')->willReturn($reader);
-        $model = new DocRootLocator($request, $readFactory);
+
+        $model = new DocRootLocator($request, $readFactory, $filesystem);
         $this->assertSame($result, $model->isPub());
     }