diff --git a/app/code/Magento/Config/Model/Config.php b/app/code/Magento/Config/Model/Config.php
index 356c6ca17da18..f61e99529c3cc 100644
--- a/app/code/Magento/Config/Model/Config.php
+++ b/app/code/Magento/Config/Model/Config.php
@@ -208,6 +208,7 @@ public function save()
             );
 
             $groupChangedPaths = $this->getChangedPaths($sectionId, $groupId, $groupData, $oldConfig, $extraOldGroups);
+            // phpcs:ignore Magento2.Performance.ForeachArrayMerge
             $changedPaths = \array_merge($changedPaths, $groupChangedPaths);
         }
 
@@ -370,6 +371,7 @@ private function getChangedPaths(
                     $oldConfig,
                     $extraOldGroups
                 );
+                // phpcs:ignore Magento2.Performance.ForeachArrayMerge
                 $changedPaths = \array_merge($changedPaths, $subGroupChangedPaths);
             }
         }
@@ -435,11 +437,11 @@ protected function _processGroup(
                 if (!isset($fieldData['value'])) {
                     $fieldData['value'] = null;
                 }
-                
+
                 if ($field->getType() == 'multiline' && is_array($fieldData['value'])) {
                     $fieldData['value'] = trim(implode(PHP_EOL, $fieldData['value']));
                 }
-                
+
                 $data = [
                     'field' => $fieldId,
                     'groups' => $groups,
@@ -453,7 +455,7 @@ protected function _processGroup(
                 $backendModel->addData($data);
                 $this->_checkSingleStoreMode($field, $backendModel);
 
-                $path = $this->getFieldPath($field, $fieldId, $extraOldGroups, $oldConfig);
+                $path = $this->getFieldPath($field, $fieldId, $oldConfig, $extraOldGroups);
                 $backendModel->setPath($path)->setValue($fieldData['value']);
 
                 $inherit = !empty($fieldData['inherit']);
diff --git a/app/code/Magento/Contact/view/frontend/templates/form.phtml b/app/code/Magento/Contact/view/frontend/templates/form.phtml
index 673bdc73840dc..66e215b0475ff 100644
--- a/app/code/Magento/Contact/view/frontend/templates/form.phtml
+++ b/app/code/Magento/Contact/view/frontend/templates/form.phtml
@@ -4,6 +4,9 @@
  * See COPYING.txt for license details.
  */
 
+// phpcs:disable Magento2.Templates.ThisInTemplate
+// phpcs:disable Generic.Files.LineLength.TooLong
+
 /** @var \Magento\Contact\Block\ContactForm $block */
 ?>
 <form class="form contact"
@@ -18,19 +21,31 @@
         <div class="field name required">
             <label class="label" for="name"><span><?= $block->escapeHtml(__('Name')) ?></span></label>
             <div class="control">
-                <input name="name" id="name" title="<?= $block->escapeHtmlAttr(__('Name')) ?>" value="<?= $block->escapeHtmlAttr($this->helper(\Magento\Contact\Helper\Data::class)->getPostValue('name') ?: $this->helper(\Magento\Contact\Helper\Data::class)->getUserName()) ?>" class="input-text" type="text" data-validate="{required:true}"/>
+                <input name="name" id="name" title="<?= $block->escapeHtmlAttr(__('Name')) ?>"
+                       value="<?= $block->escapeHtmlAttr($this->helper(\Magento\Contact\Helper\Data::class)
+                           ->getPostValue('name')
+                           ?: $this->helper(\Magento\Contact\Helper\Data::class)->getUserName()) ?>"
+                       class="input-text" type="text" data-validate="{required:true}"/>
             </div>
         </div>
         <div class="field email required">
             <label class="label" for="email"><span><?= $block->escapeHtml(__('Email')) ?></span></label>
             <div class="control">
-                <input name="email" id="email" title="<?= $block->escapeHtmlAttr(__('Email')) ?>" value="<?= $block->escapeHtmlAttr($this->helper(\Magento\Contact\Helper\Data::class)->getPostValue('email') ?: $this->helper(\Magento\Contact\Helper\Data::class)->getUserEmail()) ?>" class="input-text" type="email" data-validate="{required:true, 'validate-email':true}"/>
+                <input name="email" id="email"
+                       title="<?= $block->escapeHtmlAttr(__('Email')) ?>"
+                       value="<?= $block->escapeHtmlAttr($this->helper(\Magento\Contact\Helper\Data::class)
+                           ->getPostValue('email')
+                           ?: $this->helper(\Magento\Contact\Helper\Data::class)->getUserEmail()) ?>"
+                       class="input-text" type="email" data-validate="{required:true, 'validate-email':true}"/>
             </div>
         </div>
         <div class="field telephone">
             <label class="label" for="telephone"><span><?= $block->escapeHtml(__('Phone Number')) ?></span></label>
             <div class="control">
-                <input name="telephone" id="telephone" title="<?= $block->escapeHtmlAttr(__('Phone Number')) ?>" value="<?= $block->escapeHtmlAttr($this->helper(\Magento\Contact\Helper\Data::class)->getPostValue('telephone')) ?>" class="input-text" type="text" />
+                <input name="telephone" id="telephone" title="<?= $block->escapeHtmlAttr(__('Phone Number')) ?>"
+                       value="<?= $block->escapeHtmlAttr($this->helper(\Magento\Contact\Helper\Data::class)
+                           ->getPostValue('telephone')) ?>"
+                       class="input-text" type="text" />
             </div>
         </div>
         <div class="field comment required">
@@ -50,3 +65,12 @@
         </div>
     </div>
 </form>
+<script type="text/x-magento-init">
+    {
+        "*": {
+            "Magento_Customer/js/block-submit-on-send": {
+                "formId": "contact-form"
+            }
+        }
+    }
+</script>
diff --git a/app/code/Magento/Customer/view/frontend/templates/form/forgotpassword.phtml b/app/code/Magento/Customer/view/frontend/templates/form/forgotpassword.phtml
index be201afa8f66c..caa501d48da83 100644
--- a/app/code/Magento/Customer/view/frontend/templates/form/forgotpassword.phtml
+++ b/app/code/Magento/Customer/view/frontend/templates/form/forgotpassword.phtml
@@ -6,6 +6,8 @@
  * @var $block \Magento\Customer\Block\Account\Forgotpassword
  */
 
+// phpcs:disable Generic.Files.LineLength.TooLong
+
 /** @var \Magento\Customer\Block\Account\Forgotpassword $block */
 ?>
 <form class="form password forget"
@@ -32,3 +34,12 @@
         </div>
     </div>
 </form>
+<script type="text/x-magento-init">
+    {
+        "*": {
+            "Magento_Customer/js/block-submit-on-send": {
+                "formId": "form-validate"
+            }
+        }
+    }
+</script>
diff --git a/app/code/Magento/Customer/view/frontend/templates/form/login.phtml b/app/code/Magento/Customer/view/frontend/templates/form/login.phtml
index 339e26fa54328..c208af8547407 100644
--- a/app/code/Magento/Customer/view/frontend/templates/form/login.phtml
+++ b/app/code/Magento/Customer/view/frontend/templates/form/login.phtml
@@ -4,6 +4,8 @@
  * See COPYING.txt for license details.
  */
 
+// phpcs:disable Generic.Files.LineLength.TooLong
+
 /** @var \Magento\Customer\Block\Form\Login $block */
 ?>
 <div class="block block-customer-login">
@@ -22,13 +24,22 @@
                 <div class="field email required">
                     <label class="label" for="email"><span><?= $block->escapeHtml(__('Email')) ?></span></label>
                     <div class="control">
-                        <input name="login[username]" value="<?= $block->escapeHtmlAttr($block->getUsername()) ?>" <?php if ($block->isAutocompleteDisabled()) : ?> autocomplete="off"<?php endif; ?> id="email" type="email" class="input-text" title="<?= $block->escapeHtmlAttr(__('Email')) ?>" data-mage-init='{"mage/trim-input":{}}' data-validate="{required:true, 'validate-email':true}">
+                        <input name="login[username]" value="<?= $block->escapeHtmlAttr($block->getUsername()) ?>"
+                            <?php if ($block->isAutocompleteDisabled()): ?> autocomplete="off"<?php endif; ?>
+                               id="email" type="email" class="input-text"
+                               title="<?= $block->escapeHtmlAttr(__('Email')) ?>"
+                               data-mage-init='{"mage/trim-input":{}}'
+                               data-validate="{required:true, 'validate-email':true}">
                     </div>
                 </div>
                 <div class="field password required">
                     <label for="pass" class="label"><span><?= $block->escapeHtml(__('Password')) ?></span></label>
                     <div class="control">
-                        <input name="login[password]" type="password" <?php if ($block->isAutocompleteDisabled()) : ?> autocomplete="off"<?php endif; ?> class="input-text" id="pass" title="<?= $block->escapeHtmlAttr(__('Password')) ?>" data-validate="{required:true}">
+                        <input name="login[password]" type="password"
+                            <?php if ($block->isAutocompleteDisabled()): ?> autocomplete="off"<?php endif; ?>
+                               class="input-text" id="pass"
+                               title="<?= $block->escapeHtmlAttr(__('Password')) ?>"
+                               data-validate="{required:true}">
                     </div>
                 </div>
                 <?= $block->getChildHtml('form_additional_info') ?>
@@ -41,3 +52,12 @@
     </div>
 </div>
 
+<script type="text/x-magento-init">
+    {
+        "*": {
+            "Magento_Customer/js/block-submit-on-send": {
+                "formId": "login-form"
+            }
+        }
+    }
+</script>
diff --git a/app/code/Magento/Customer/view/frontend/templates/form/register.phtml b/app/code/Magento/Customer/view/frontend/templates/form/register.phtml
index bbcb842d02e5a..0e06deb90f0be 100644
--- a/app/code/Magento/Customer/view/frontend/templates/form/register.phtml
+++ b/app/code/Magento/Customer/view/frontend/templates/form/register.phtml
@@ -199,12 +199,6 @@ require([
         ignore: ignore ? ':hidden:not(' + ignore + ')' : ':hidden'
     <?php endif ?>
     }).find('input:text').attr('autocomplete', 'off');
-    dataForm.submit(function () {
-        $(this).find(':submit').attr('disabled', 'disabled');
-    });
-    dataForm.bind("invalid-form.validate", function () {
-        $(this).find(':submit').prop('disabled', false);
-    });
 });
 </script>
 <?php if ($block->getShowAddressFields()): ?>
@@ -225,13 +219,17 @@ require([
     }
 </script>
 <?php endif; ?>
-
 <script type="text/x-magento-init">
     {
         ".field.password": {
             "passwordStrengthIndicator": {
                 "formSelector": "form.form-create-account"
             }
+        },
+        "*": {
+            "Magento_Customer/js/block-submit-on-send": {
+                "formId": "form-validate"
+            }
         }
     }
 </script>
diff --git a/app/code/Magento/Customer/view/frontend/web/js/block-submit-on-send.js b/app/code/Magento/Customer/view/frontend/web/js/block-submit-on-send.js
new file mode 100644
index 0000000000000..b941ec7a254d8
--- /dev/null
+++ b/app/code/Magento/Customer/view/frontend/web/js/block-submit-on-send.js
@@ -0,0 +1,22 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery',
+    'mage/mage'
+], function ($) {
+    'use strict';
+
+    return function (config) {
+        var dataForm = $('#' + config.formId);
+
+        dataForm.submit(function () {
+            $(this).find(':submit').attr('disabled', 'disabled');
+        });
+        dataForm.bind('invalid-form.validate', function () {
+            $(this).find(':submit').prop('disabled', false);
+        });
+    };
+});
diff --git a/app/code/Magento/Newsletter/view/frontend/templates/subscribe.phtml b/app/code/Magento/Newsletter/view/frontend/templates/subscribe.phtml
index bb5c1ef2b5923..a68805d2149d3 100644
--- a/app/code/Magento/Newsletter/view/frontend/templates/subscribe.phtml
+++ b/app/code/Magento/Newsletter/view/frontend/templates/subscribe.phtml
@@ -40,3 +40,12 @@
         </form>
     </div>
 </div>
+<script type="text/x-magento-init">
+    {
+        "*": {
+            "Magento_Customer/js/block-submit-on-send": {
+                "formId": "newsletter-validate-detail"
+            }
+        }
+    }
+</script>
diff --git a/app/code/Magento/Paypal/Test/Mftf/Test/StorefrontPaypalSmartButtonInCheckoutPageTest.xml b/app/code/Magento/Paypal/Test/Mftf/Test/StorefrontPaypalSmartButtonInCheckoutPageTest.xml
index fea1cf3966b99..1d3d47f70773c 100644
--- a/app/code/Magento/Paypal/Test/Mftf/Test/StorefrontPaypalSmartButtonInCheckoutPageTest.xml
+++ b/app/code/Magento/Paypal/Test/Mftf/Test/StorefrontPaypalSmartButtonInCheckoutPageTest.xml
@@ -17,6 +17,9 @@
             <severity value="CRITICAL"/>
             <testCaseId value="MC-13690"/>
             <group value="paypal"/>
+            <skip>
+                <issueId value="MC-35014"/>
+            </skip>
         </annotations>
         <before>
 
diff --git a/app/code/Magento/Quote/Model/Quote/Address.php b/app/code/Magento/Quote/Model/Quote/Address.php
index f8b6e7a197fa4..f2e1f30e1f084 100644
--- a/app/code/Magento/Quote/Model/Quote/Address.php
+++ b/app/code/Magento/Quote/Model/Quote/Address.php
@@ -1019,6 +1019,13 @@ public function collectShippingRates()
      */
     public function requestShippingRates(AbstractItem $item = null)
     {
+        $storeId = $this->getQuote()->getStoreId() ?: $this->storeManager->getStore()->getId();
+        $taxInclude = $this->_scopeConfig->getValue(
+            'tax/calculation/price_includes_tax',
+            ScopeInterface::SCOPE_STORE,
+            $storeId
+        );
+
         /** @var $request RateRequest */
         $request = $this->_rateRequestFactory->create();
         $request->setAllItems($item ? [$item] : $this->getAllItems());
@@ -1028,9 +1035,11 @@ public function requestShippingRates(AbstractItem $item = null)
         $request->setDestStreet($this->getStreetFull());
         $request->setDestCity($this->getCity());
         $request->setDestPostcode($this->getPostcode());
-        $request->setPackageValue($item ? $item->getBaseRowTotal() : $this->getBaseSubtotal());
+        $baseSubtotal = $taxInclude ? $this->getBaseSubtotalTotalInclTax() : $this->getBaseSubtotal();
+        $request->setPackageValue($item ? $item->getBaseRowTotal() : $baseSubtotal);
+        $baseSubtotalWithDiscount = $baseSubtotal + $this->getBaseDiscountAmount();
         $packageWithDiscount = $item ? $item->getBaseRowTotal() -
-            $item->getBaseDiscountAmount() : $this->getBaseSubtotalWithDiscount();
+            $item->getBaseDiscountAmount() : $baseSubtotalWithDiscount;
         $request->setPackageValueWithDiscount($packageWithDiscount);
         $request->setPackageWeight($item ? $item->getRowWeight() : $this->getWeight());
         $request->setPackageQty($item ? $item->getQty() : $this->getItemQty());
@@ -1038,8 +1047,7 @@ public function requestShippingRates(AbstractItem $item = null)
         /**
          * Need for shipping methods that use insurance based on price of physical products
          */
-        $packagePhysicalValue = $item ? $item->getBaseRowTotal() : $this->getBaseSubtotal() -
-            $this->getBaseVirtualAmount();
+        $packagePhysicalValue = $item ? $item->getBaseRowTotal() : $baseSubtotal - $this->getBaseVirtualAmount();
         $request->setPackagePhysicalValue($packagePhysicalValue);
 
         $request->setFreeMethodWeight($item ? 0 : $this->getFreeMethodWeight());
@@ -1047,12 +1055,10 @@ public function requestShippingRates(AbstractItem $item = null)
         /**
          * Store and website identifiers specified from StoreManager
          */
+        $request->setStoreId($storeId);
         if ($this->getQuote()->getStoreId()) {
-            $storeId = $this->getQuote()->getStoreId();
-            $request->setStoreId($storeId);
             $request->setWebsiteId($this->storeManager->getStore($storeId)->getWebsiteId());
         } else {
-            $request->setStoreId($this->storeManager->getStore()->getId());
             $request->setWebsiteId($this->storeManager->getWebsite()->getId());
         }
         $request->setFreeShipping($this->getFreeShipping());
diff --git a/app/code/Magento/Quote/Test/Unit/Model/Quote/AddressTest.php b/app/code/Magento/Quote/Test/Unit/Model/Quote/AddressTest.php
index 242f81b222507..06dc8becf4d3c 100644
--- a/app/code/Magento/Quote/Test/Unit/Model/Quote/AddressTest.php
+++ b/app/code/Magento/Quote/Test/Unit/Model/Quote/AddressTest.php
@@ -345,10 +345,40 @@ public function testRequestShippingRates()
 
         $currentCurrencyCode = 'UAH';
 
+        $this->quote->expects($this->any())
+            ->method('getStoreId')
+            ->willReturn($storeId);
+
+        $this->storeManager->expects($this->at(0))
+            ->method('getStore')
+            ->with($storeId)
+            ->willReturn($this->store);
+        $this->store->expects($this->any())
+            ->method('getWebsiteId')
+            ->willReturn($webSiteId);
+
+        $this->scopeConfig->expects($this->exactly(1))
+            ->method('getValue')
+            ->with(
+                'tax/calculation/price_includes_tax',
+                ScopeInterface::SCOPE_STORE,
+                $storeId
+            )
+            ->willReturn(1);
+
         /** @var RateRequest */
         $request = $this->getMockBuilder(RateRequest::class)
             ->disableOriginalConstructor()
-            ->setMethods(['setStoreId', 'setWebsiteId', 'setBaseCurrency', 'setPackageCurrency'])
+            ->setMethods(
+                [
+                    'setStoreId',
+                    'setWebsiteId',
+                    'setBaseCurrency',
+                    'setPackageCurrency',
+                    'getBaseSubtotalTotalInclTax',
+                    'getBaseSubtotal'
+                ]
+            )
             ->getMock();
 
         /** @var Collection */
@@ -427,13 +457,6 @@ public function testRequestShippingRates()
         $this->storeManager->method('getStore')
             ->willReturn($this->store);
 
-        $this->storeManager->expects($this->once())
-            ->method('getWebsite')
-            ->willReturn($this->website);
-
-        $this->store->method('getId')
-            ->willReturn($storeId);
-
         $this->store->method('getBaseCurrency')
             ->willReturn($baseCurrency);
 
@@ -445,10 +468,6 @@ public function testRequestShippingRates()
             ->method('getCurrentCurrencyCode')
             ->willReturn($currentCurrencyCode);
 
-        $this->website->expects($this->once())
-            ->method('getId')
-            ->willReturn($webSiteId);
-
         $this->addressRateFactory->expects($this->once())
             ->method('create')
             ->willReturn($rate);
diff --git a/app/code/Magento/SalesRule/view/frontend/requirejs-config.js b/app/code/Magento/SalesRule/view/frontend/requirejs-config.js
index 13b701c6fe65a..21f49fb3080fc 100644
--- a/app/code/Magento/SalesRule/view/frontend/requirejs-config.js
+++ b/app/code/Magento/SalesRule/view/frontend/requirejs-config.js
@@ -8,6 +8,9 @@ var config = {
         mixins: {
             'Magento_Checkout/js/action/select-payment-method': {
                 'Magento_SalesRule/js/action/select-payment-method-mixin': true
+            },
+            'Magento_Checkout/js/model/shipping-save-processor': {
+                'Magento_SalesRule/js/model/shipping-save-processor-mixin': true
             }
         }
     }
diff --git a/app/code/Magento/SalesRule/view/frontend/web/js/model/shipping-save-processor-mixin.js b/app/code/Magento/SalesRule/view/frontend/web/js/model/shipping-save-processor-mixin.js
new file mode 100644
index 0000000000000..193acb8eed2f4
--- /dev/null
+++ b/app/code/Magento/SalesRule/view/frontend/web/js/model/shipping-save-processor-mixin.js
@@ -0,0 +1,34 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+define([
+    'mage/utils/wrapper',
+    'Magento_Checkout/js/model/quote',
+    'Magento_SalesRule/js/model/coupon'
+], function (wrapper, quote, coupon) {
+    'use strict';
+
+    return function (shippingSaveProcessor) {
+        shippingSaveProcessor.saveShippingInformation = wrapper.wrapSuper(
+            shippingSaveProcessor.saveShippingInformation,
+            function (type) {
+                var updateCouponCallback;
+
+                /**
+                 * Update coupon form
+                 */
+                updateCouponCallback = function () {
+                    if (quote.totals() && !quote.totals()['coupon_code']) {
+                        coupon.setCouponCode('');
+                        coupon.setIsApplied(false);
+                    }
+                };
+
+                return this._super(type).done(updateCouponCallback);
+            }
+        );
+
+        return shippingSaveProcessor;
+    };
+});
diff --git a/dev/tests/integration/testsuite/Magento/Config/Model/ConfigTest.php b/dev/tests/integration/testsuite/Magento/Config/Model/ConfigTest.php
index 1b7a504959d54..eedb93099b8c3 100644
--- a/dev/tests/integration/testsuite/Magento/Config/Model/ConfigTest.php
+++ b/dev/tests/integration/testsuite/Magento/Config/Model/ConfigTest.php
@@ -5,12 +5,18 @@
  */
 namespace Magento\Config\Model;
 
+use Magento\Backend\App\Area\FrontNameResolver;
+use Magento\Config\Model\ResourceModel\Config\Data\Collection;
+use Magento\Config\Model\ResourceModel\Config\Data\CollectionFactory;
+use Magento\Framework\Config\ScopeInterface;
+use Magento\Framework\Encryption\EncryptorInterface;
 use Magento\TestFramework\Helper\Bootstrap;
+use PHPUnit\Framework\TestCase;
 
 /**
  * @magentoAppArea adminhtml
  */
-class ConfigTest extends \PHPUnit\Framework\TestCase
+class ConfigTest extends TestCase
 {
     /**
      * @covers \Magento\Config\Model\Config::save
@@ -22,25 +28,25 @@ class ConfigTest extends \PHPUnit\Framework\TestCase
     public function testSaveWithSingleStoreModeEnabled($groups)
     {
         Bootstrap::getObjectManager()->get(
-            \Magento\Framework\Config\ScopeInterface::class
+            ScopeInterface::class
         )->setCurrentScope(
-            \Magento\Backend\App\Area\FrontNameResolver::AREA_CODE
+            FrontNameResolver::AREA_CODE
         );
-        /** @var $_configDataObject \Magento\Config\Model\Config */
-        $_configDataObject = Bootstrap::getObjectManager()->create(\Magento\Config\Model\Config::class);
+        /** @var $_configDataObject Config */
+        $_configDataObject = Bootstrap::getObjectManager()->create(Config::class);
         $_configData = $_configDataObject->setSection('dev')->setWebsite('base')->load();
         $this->assertEmpty($_configData);
 
-        $_configDataObject = Bootstrap::getObjectManager()->create(\Magento\Config\Model\Config::class);
+        $_configDataObject = Bootstrap::getObjectManager()->create(Config::class);
         $_configDataObject->setSection('dev')->setGroups($groups)->save();
 
-        /** @var $_configDataObject \Magento\Config\Model\Config */
-        $_configDataObject = Bootstrap::getObjectManager()->create(\Magento\Config\Model\Config::class);
+        /** @var $_configDataObject Config */
+        $_configDataObject = Bootstrap::getObjectManager()->create(Config::class);
         $_configData = $_configDataObject->setSection('dev')->load();
         $this->assertArrayHasKey('dev/debug/template_hints_admin', $_configData);
         $this->assertArrayHasKey('dev/debug/template_hints_blocks', $_configData);
 
-        $_configDataObject = Bootstrap::getObjectManager()->create(\Magento\Config\Model\Config::class);
+        $_configDataObject = Bootstrap::getObjectManager()->create(Config::class);
         $_configData = $_configDataObject->setSection('dev')->setWebsite('base')->load();
         $this->assertArrayNotHasKey('dev/debug/template_hints_admin', $_configData);
         $this->assertArrayNotHasKey('dev/debug/template_hints_blocks', $_configData);
@@ -63,16 +69,16 @@ public function testSave($section, $groups, $expected)
     {
         $objectManager = Bootstrap::getObjectManager();
 
-        /** @var $_configDataObject \Magento\Config\Model\Config */
-        $_configDataObject = $objectManager->create(\Magento\Config\Model\Config::class);
+        /** @var $_configDataObject Config */
+        $_configDataObject = $objectManager->create(Config::class);
         $_configDataObject->setSection($section)->setWebsite('base')->setGroups($groups)->save();
 
         foreach ($expected as $group => $expectedData) {
-            $_configDataObject = $objectManager->create(\Magento\Config\Model\Config::class);
+            $_configDataObject = $objectManager->create(Config::class);
             $_configData = $_configDataObject->setSection($group)->setWebsite('base')->load();
             if (array_key_exists('payment/payflow_link/pwd', $_configData)) {
                 $_configData['payment/payflow_link/pwd'] = $objectManager->get(
-                    \Magento\Framework\Encryption\EncryptorInterface::class
+                    EncryptorInterface::class
                 )->decrypt(
                     $_configData['payment/payflow_link/pwd']
                 );
@@ -85,4 +91,102 @@ public function saveDataProvider()
     {
         return require __DIR__ . '/_files/config_section.php';
     }
+
+    /**
+     * @param string $website
+     * @param string $section
+     * @param array $override
+     * @param array $inherit
+     * @param array $expected
+     * @dataProvider saveWebsiteScopeDataProvider
+     */
+    public function testSaveUseDefault(
+        string $website,
+        string $section,
+        array $override,
+        array $inherit,
+        array $expected
+    ): void {
+        $objectManager = Bootstrap::getObjectManager();
+        /** @var Config $config*/
+        $configFactory = $objectManager->create(ConfigFactory::class);
+        $config = $configFactory->create()
+            ->setSection($section)
+            ->setWebsite($website)
+            ->setGroups($override['groups'])
+            ->save();
+
+        $paths = array_keys($expected);
+
+        $this->assertEquals(
+            $expected,
+            $this->getConfigValues($config->getScope(), $config->getScopeId(), $paths)
+        );
+
+        $config = $configFactory->create()
+            ->setSection($section)
+            ->setWebsite($website)
+            ->setGroups($inherit['groups'])
+            ->save();
+
+        $this->assertEmpty(
+            $this->getConfigValues($config->getScope(), $config->getScopeId(), $paths)
+        );
+    }
+
+    /**
+     * @return array
+     */
+    public function saveWebsiteScopeDataProvider(): array
+    {
+        return [
+            [
+                'website' => 'base',
+                'section' => 'payment',
+                [
+                    'groups' => [
+                        'account' => [
+                            'fields' => [
+                                'merchant_country' => ['value' => 'GB'],
+                            ],
+                        ],
+                    ]
+                ],
+                [
+                    'groups' => [
+                        'account' => [
+                            'fields' => [
+                                'merchant_country' => ['inherit' => 1],
+                            ],
+                        ],
+                    ],
+                ],
+                'expected' => [
+                    'paypal/general/merchant_country' => 'GB',
+                ],
+            ]
+        ];
+    }
+
+    /**
+     * @param string $scope
+     * @param int $scopeId
+     * @param array $paths
+     * @return array
+     */
+    private function getConfigValues(string $scope, int $scopeId, array $paths): array
+    {
+        $objectManager = Bootstrap::getObjectManager();
+        /** @var Collection $configCollection */
+        $configCollectionFactory = $objectManager->create(CollectionFactory::class);
+        $configCollection = $configCollectionFactory->create();
+        $configCollection->addFieldToFilter('scope', $scope);
+        $configCollection->addFieldToFilter('scope_id', $scopeId);
+        $configCollection->addFieldToFilter('path', ['in' => $paths]);
+        $result = [];
+        foreach ($configCollection as $data) {
+            $result[$data->getPath()] = $data->getValue();
+        }
+        return $result;
+    }
 }
diff --git a/setup/src/Magento/Setup/Console/CompilerPreparation.php b/setup/src/Magento/Setup/Console/CompilerPreparation.php
index c39c721b61716..2a92310b7230f 100644
--- a/setup/src/Magento/Setup/Console/CompilerPreparation.php
+++ b/setup/src/Magento/Setup/Console/CompilerPreparation.php
@@ -65,13 +65,9 @@ public function __construct(
      */
     public function handleCompilerEnvironment()
     {
-        $compilationCommands = $this->getCompilerInvalidationCommands();
-        $cmdName = $this->input->getFirstArgument();
-        $isHelpOption = $this->input->hasParameterOption('--help') || $this->input->hasParameterOption('-h');
-        if (!in_array($cmdName, $compilationCommands) || $isHelpOption) {
+        if (!$this->shouldInvalidateCompiledDI()) {
             return;
         }
-
         if (!$this->getGenerationDirectoryAccess()->check()) {
             throw new GenerationDirectoryAccessException();
         }
@@ -121,4 +117,38 @@ private function getGenerationDirectoryAccess()
 
         return $this->generationDirectoryAccess;
     }
+
+    /**
+     * Checks if the command being executed should invalidate compiled DI.
+     *
+     * @return bool
+     */
+    private function shouldInvalidateCompiledDI(): bool
+    {
+        $compilationCommands = $this->getCompilerInvalidationCommands();
+        $cmdName = $this->input->getFirstArgument();
+        $isHelpOption = $this->input->hasParameterOption('--help') || $this->input->hasParameterOption('-h');
+        $invalidate = false;
+        if (!$isHelpOption) {
+            $invalidate = in_array($cmdName, $compilationCommands);
+            if (!$invalidate) {
+                // Check if it's an abbreviation of compilation commands.
+                $expr = preg_replace_callback(
+                    '{([^:]+|)}',
+                    function ($matches) {
+                        return preg_quote($matches[1]) . '[^:]*';
+                    },
+                    $cmdName
+                );
+                $commands = preg_grep('{^' . $expr . '$}', $compilationCommands);
+                if (empty($commands)) {
+                    $commands = preg_grep('{^' . $expr . '$}i', $compilationCommands);
+                }
+                if (count($commands) === 1) {
+                    $invalidate = true;
+                }
+            }
+        }
+        return $invalidate;
+    }
 }
diff --git a/setup/src/Magento/Setup/Test/Unit/Console/CompilerPreparationTest.php b/setup/src/Magento/Setup/Test/Unit/Console/CompilerPreparationTest.php
index 7bd11c64f93ac..5310446eb0f98 100644
--- a/setup/src/Magento/Setup/Test/Unit/Console/CompilerPreparationTest.php
+++ b/setup/src/Magento/Setup/Test/Unit/Console/CompilerPreparationTest.php
@@ -136,7 +136,25 @@ public function commandNameDataProvider()
                 'commandName' => 'not:a:compiler',
                 'isCompileCommand' => false,
                 'isHelpOption' => false,
-            ]
+            ],
+            'ST compiler, directory exists, abbreviation 1' => [
+                'commandName' => 's:d:c',
+                'isCompileCommand' => true,
+                'isHelpOption' => false,
+                'dirExists' => true
+            ],
+            'ST compiler, directory exists, abbreviation 2' => [
+                'commandName' => 'se:di:co',
+                'isCompileCommand' => true,
+                'isHelpOption' => false,
+                'dirExists' => true
+            ],
+            'ST compiler, directory exists, abbreviation ambiguous' => [
+                'commandName' => 'se:di',
+                'isCompileCommand' => false,
+                'isHelpOption' => false,
+                'dirExists' => true
+            ],
         ];
     }