diff --git a/app/code/Magento/Catalog/view/frontend/templates/product/view/form.phtml b/app/code/Magento/Catalog/view/frontend/templates/product/view/form.phtml
index 4d7005dfe6cb2..9c5cce7865532 100644
--- a/app/code/Magento/Catalog/view/frontend/templates/product/view/form.phtml
+++ b/app/code/Magento/Catalog/view/frontend/templates/product/view/form.phtml
@@ -22,6 +22,7 @@
         <input type="hidden" name="product" value="<?= /* @escapeNotVerified */ $_product->getId() ?>" />
         <input type="hidden" name="selected_configurable_option" value="" />
         <input type="hidden" name="related_product" id="related-products-field" value="" />
+        <input type="hidden" name="item"  value="<?= /* @noEscape */ $block->getRequest()->getParam('id') ?>" />
         <?= $block->getBlockHtml('formkey') ?>
         <?= $block->getChildHtml('form_top') ?>
         <?php if (!$block->hasOptions()):?>
diff --git a/app/code/Magento/Checkout/view/frontend/web/js/view/configure/product-customer-data.js b/app/code/Magento/Checkout/view/frontend/web/js/view/configure/product-customer-data.js
index d7a81decbadef..9af5201c267e8 100644
--- a/app/code/Magento/Checkout/view/frontend/web/js/view/configure/product-customer-data.js
+++ b/app/code/Magento/Checkout/view/frontend/web/js/view/configure/product-customer-data.js
@@ -7,10 +7,12 @@ require([
 
     var selectors = {
         qtySelector: '#product_addtocart_form [name="qty"]',
-        productIdSelector: '#product_addtocart_form [name="product"]'
+        productIdSelector: '#product_addtocart_form [name="product"]',
+        itemIdSelector: '#product_addtocart_form [name="item"]'
     },
     cartData = customerData.get('cart'),
     productId = $(selectors.productIdSelector).val(),
+    itemId = $(selectors.itemIdSelector).val(),
     productQty,
     productQtyInput,
 
@@ -40,8 +42,10 @@ require([
             return;
         }
         product = data.items.find(function (item) {
-            return item['product_id'] === productId ||
-                item['item_id'] === productId;
+            if (item['item_id'] === itemId) {
+                return item['product_id'] === productId ||
+                    item['item_id'] === productId;
+            }
         });
 
         if (!product) {
diff --git a/app/code/Magento/ConfigurableProduct/view/frontend/web/js/options-updater.js b/app/code/Magento/ConfigurableProduct/view/frontend/web/js/options-updater.js
index a355a3f3ac7c7..37b7c7c41b216 100644
--- a/app/code/Magento/ConfigurableProduct/view/frontend/web/js/options-updater.js
+++ b/app/code/Magento/ConfigurableProduct/view/frontend/web/js/options-updater.js
@@ -7,10 +7,12 @@ define([
 
     var selectors = {
         formSelector: '#product_addtocart_form',
-        productIdSelector: '#product_addtocart_form [name="product"]'
+        productIdSelector: '#product_addtocart_form [name="product"]',
+        itemIdSelector: '#product_addtocart_form [name="item"]'
     },
     cartData = customerData.get('cart'),
     productId = $(selectors.productIdSelector).val(),
+    itemId = $(selectors.itemIdSelector).val(),
 
     /**
     * set productOptions according to cart data from customer-data
@@ -24,8 +26,10 @@ define([
         if (!(data && data.items && data.items.length && productId)) {
             return false;
         }
-        changedProductOptions = _.find(data.items, function (item) {
-            return item['product_id'] === productId;
+        changedProductOptions = data.items.find(function (item) {
+            if (item['item_id'] === itemId) {
+                return item['product_id'] === productId;
+            }
         });
         changedProductOptions = changedProductOptions && changedProductOptions.options &&
             changedProductOptions.options.reduce(function (obj, val) {
diff --git a/app/code/Magento/Deploy/Console/Command/App/ApplicationDumpCommand.php b/app/code/Magento/Deploy/Console/Command/App/ApplicationDumpCommand.php
index 9d13c97790fa4..4eb965b21d53a 100644
--- a/app/code/Magento/Deploy/Console/Command/App/ApplicationDumpCommand.php
+++ b/app/code/Magento/Deploy/Console/Command/App/ApplicationDumpCommand.php
@@ -12,6 +12,7 @@
 use Magento\Framework\Config\File\ConfigFilePool;
 use Magento\Framework\Console\Cli;
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
@@ -20,6 +21,8 @@
  */
 class ApplicationDumpCommand extends Command
 {
+    const INPUT_CONFIG_TYPES = 'config-types';
+
     /**
      * @var Writer
      */
@@ -47,10 +50,10 @@ public function __construct(
         array $sources,
         Hash $configHash = null
     ) {
-        parent::__construct();
         $this->writer = $writer;
         $this->sources = $sources;
         $this->configHash = $configHash ?: ObjectManager::getInstance()->get(Hash::class);
+        parent::__construct();
     }
 
     /**
@@ -60,6 +63,13 @@ protected function configure()
     {
         $this->setName('app:config:dump');
         $this->setDescription('Create dump of application');
+
+        $configTypes = array_unique(array_column($this->sources, 'namespace'));
+        $this->addArgument(
+            self::INPUT_CONFIG_TYPES,
+            InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
+            sprintf('Space-separated list of config types or omit to dump all [%s]', implode(', ', $configTypes))
+        );
         parent::configure();
     }
 
@@ -74,11 +84,14 @@ protected function configure()
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $this->groupSourcesByPool();
-
+        $dumpedTypes = [];
         foreach ($this->sources as $pool => $sources) {
             $dump = [];
             $comments = [];
             foreach ($sources as $sourceData) {
+                if ($this->skipDump($input, $sourceData)) {
+                    continue;
+                }
                 /** @var ConfigSourceInterface $source */
                 $source = $sourceData['source'];
                 $namespace = $sourceData['namespace'];
@@ -95,15 +108,21 @@ protected function execute(InputInterface $input, OutputInterface $output)
                 null,
                 $comments
             );
+            $dumpedTypes = array_unique($dumpedTypes + array_keys($dump));
             if (!empty($comments)) {
                 $output->writeln($comments);
             }
         }
 
+        if (!$dumpedTypes) {
+            $output->writeln('<error>Nothing dumped. Check the config types specified and try again');
+            return Cli::RETURN_FAILURE;
+        }
+
         // Generate and save new hash of deployment configuration.
         $this->configHash->regenerate();
 
-        $output->writeln('<info>Done.</info>');
+        $output->writeln(sprintf('<info>Done. Config types dumped: %s</info>', implode(', ', $dumpedTypes)));
         return Cli::RETURN_SUCCESS;
     }
 
@@ -127,4 +146,20 @@ private function groupSourcesByPool()
 
         $this->sources = $sources;
     }
+
+    /**
+     * Check whether the dump source should be skipped
+     *
+     * @param InputInterface $input
+     * @param array $sourceData
+     * @return bool
+     */
+    private function skipDump(InputInterface $input, array $sourceData): bool
+    {
+        $allowedTypes = $input->getArgument(self::INPUT_CONFIG_TYPES);
+        if ($allowedTypes && !in_array($sourceData['namespace'], $allowedTypes)) {
+            return true;
+        }
+        return false;
+    }
 }
diff --git a/app/code/Magento/Deploy/Test/Unit/Console/Command/ApplicationDumpCommandTest.php b/app/code/Magento/Deploy/Test/Unit/Console/Command/ApplicationDumpCommandTest.php
index 67c3796e7c6b9..85cae275932fa 100644
--- a/app/code/Magento/Deploy/Test/Unit/Console/Command/ApplicationDumpCommandTest.php
+++ b/app/code/Magento/Deploy/Test/Unit/Console/Command/ApplicationDumpCommandTest.php
@@ -130,7 +130,7 @@ public function testExport()
             ->method('writeln')
             ->withConsecutive(
                 [['system' => 'Some comment message']],
-                ['<info>Done.</info>']
+                ['<info>Done. Config types dumped: system</info>']
             );
 
         $method = new \ReflectionMethod(ApplicationDumpCommand::class, 'execute');
diff --git a/app/code/Magento/Quote/Model/Quote.php b/app/code/Magento/Quote/Model/Quote.php
index 7741d3b0f7657..536c58861a253 100644
--- a/app/code/Magento/Quote/Model/Quote.php
+++ b/app/code/Magento/Quote/Model/Quote.php
@@ -2389,8 +2389,9 @@ protected function _afterLoad()
     {
         // collect totals and save me, if required
         if (1 == $this->getTriggerRecollect()) {
-            $this->collectTotals()->save();
-            $this->setTriggerRecollect(0);
+            $this->collectTotals()
+                ->setTriggerRecollect(0)
+                ->save();
         }
         return parent::_afterLoad();
     }
diff --git a/dev/tests/integration/testsuite/Magento/Deploy/Console/Command/App/ApplicationDumpCommandTest.php b/dev/tests/integration/testsuite/Magento/Deploy/Console/Command/App/ApplicationDumpCommandTest.php
index cb40b110f5fc6..5602e77eb702c 100644
--- a/dev/tests/integration/testsuite/Magento/Deploy/Console/Command/App/ApplicationDumpCommandTest.php
+++ b/dev/tests/integration/testsuite/Magento/Deploy/Console/Command/App/ApplicationDumpCommandTest.php
@@ -176,7 +176,7 @@ public function testExecute()
             ->with(['system' => $comment]);
         $outputMock->expects($this->at(1))
             ->method('writeln')
-            ->with('<info>Done.</info>');
+            ->with('<info>Done. Config types dumped: scopes, themes, system, i18n</info>');
 
         /** @var ApplicationDumpCommand command */
         $command = $this->objectManager->create(ApplicationDumpCommand::class);
diff --git a/lib/internal/Magento/Framework/DB/Adapter/Pdo/Mysql.php b/lib/internal/Magento/Framework/DB/Adapter/Pdo/Mysql.php
index b1843717b0565..2274fde82b818 100644
--- a/lib/internal/Magento/Framework/DB/Adapter/Pdo/Mysql.php
+++ b/lib/internal/Magento/Framework/DB/Adapter/Pdo/Mysql.php
@@ -557,6 +557,15 @@ protected function _query($sql, $bind = [])
                 ) {
                     $retry = true;
                     $triesCount++;
+                    
+                    /**
+                    * _connect() function does not allow port parameter, so put the port back with the host
+                    */
+                    if (!empty($this->_config['port'])) {
+                        $this->_config['host'] = implode(':', [$this->_config['host'], $this->_config['port']]);
+                        unset($this->_config['port']);
+                    }
+
                     $this->closeConnection();
                     $this->_connect();
                 }