diff --git a/app/code/Magento/Checkout/view/frontend/templates/cart/form.phtml b/app/code/Magento/Checkout/view/frontend/templates/cart/form.phtml
index a5f8db141716f..4c8e105f7cdce 100644
--- a/app/code/Magento/Checkout/view/frontend/templates/cart/form.phtml
+++ b/app/code/Magento/Checkout/view/frontend/templates/cart/form.phtml
@@ -45,6 +45,7 @@
         <?php endif; ?>
         <button type="submit"
                 name="update_cart_action"
+                data-cart-empty=""
                 value="empty_cart"
                 title="<?php echo $block->escapeHtml(__('Clear Shopping Cart')); ?>"
                 class="action clear" id="empty_cart_button">
@@ -52,12 +53,13 @@
         </button>
         <button type="submit"
                 name="update_cart_action"
+                data-cart-item-update=""
                 value="update_qty"
                 title="<?php echo $block->escapeHtml(__('Update Shopping Cart')); ?>"
                 class="action update">
             <span><?php echo __('Update Shopping Cart'); ?></span>
         </button>
-        <input type="hidden" value="" id="update_cart_action_container" />
+        <input type="hidden" value="" id="update_cart_action_container" data-cart-item-update=""/>
     </div>
 </form>
 <?php echo $block->getChildHtml('checkout.cart.order.actions') ?>
diff --git a/app/code/Magento/Checkout/view/frontend/templates/cart/item/default.phtml b/app/code/Magento/Checkout/view/frontend/templates/cart/item/default.phtml
index e0aa120c9c63e..3c2b1acc598d0 100644
--- a/app/code/Magento/Checkout/view/frontend/templates/cart/item/default.phtml
+++ b/app/code/Magento/Checkout/view/frontend/templates/cart/item/default.phtml
@@ -93,6 +93,7 @@ $canApplyMsrp = $helper->isShowBeforeOrderConfirm($product) && $helper->isMinima
                 <div class="control qty">
                     <input id="cart-<?php echo $_item->getId() ?>-qty"
                            name="cart[<?php echo $_item->getId() ?>][qty]"
+                           data-cart-item-id="<?php echo $_item->getSku() ?>"
                            value="<?php echo $block->getQty() ?>"
                            type="number"
                            size="4"
diff --git a/app/code/Magento/Downloadable/view/frontend/templates/checkout/cart/item/default.phtml b/app/code/Magento/Downloadable/view/frontend/templates/checkout/cart/item/default.phtml
index e45c33bba790d..4087f2b32f74b 100644
--- a/app/code/Magento/Downloadable/view/frontend/templates/checkout/cart/item/default.phtml
+++ b/app/code/Magento/Downloadable/view/frontend/templates/checkout/cart/item/default.phtml
@@ -87,7 +87,7 @@ $canApplyMsrp = $helper->isShowBeforeOrderConfirm($product) && $helper->isMinima
     <?php endif; ?>
         <td class="col qty" data-th="<?php echo $block->escapeHtml(__('Qty')); ?>">
             <div class="control qty">
-                <input name="cart[<?php echo $_item->getId() ?>][qty]" value="<?php echo $block->getQty() ?>" type="number" size="4" title="<?php echo __('Qty') ?>" class="input-text qty" maxlength="12" data-validate="{'required-number':true,'validate-greater-than-zero':true}" data-role="cart-item-qty"/>
+                <input name="cart[<?php echo $_item->getId() ?>][qty]" value="<?php echo $block->getQty() ?>" type="number" size="4" title="<?php echo __('Qty') ?>" class="input-text qty" data-cart-item-id="<?php echo $block->escapeHtml(__($_item->getSku())) ?>" maxlength="12" data-validate="{'required-number':true,'validate-greater-than-zero':true}" data-role="cart-item-qty"/>
             </div>
             <?php $cols++; ?>
         </td>
diff --git a/app/code/Magento/Multishipping/view/frontend/templates/checkout/addresses.phtml b/app/code/Magento/Multishipping/view/frontend/templates/checkout/addresses.phtml
index f1085b397eedc..f30e53359d635 100644
--- a/app/code/Magento/Multishipping/view/frontend/templates/checkout/addresses.phtml
+++ b/app/code/Magento/Multishipping/view/frontend/templates/checkout/addresses.phtml
@@ -42,7 +42,7 @@
                                     <span><?php echo __('Qty') ?></span>
                                 </label>
                                 <div class="control">
-                                    <input type="number" id="ship-<?php echo $_index ?>-<?php echo $_item->getQuoteItemId() ?>-qty" name="ship[<?php echo $_index ?>][<?php echo $_item->getQuoteItemId() ?>][qty]" value="<?php echo $block->escapeHtml($_item->getQty()) ?>" size="2" class="input-text qty" data-validate="{number: true}"/>
+                                    <input type="number" data-multiship-item-id="<?php echo $_item->getSku() ?>" id="ship-<?php echo $_index ?>-<?php echo $_item->getQuoteItemId() ?>-qty" name="ship[<?php echo $_index ?>][<?php echo $_item->getQuoteItemId() ?>][qty]" value="<?php echo $block->escapeHtml($_item->getQty()) ?>" size="2" class="input-text qty" data-validate="{number: true}"/>
                                 </div>
                             </div>
                         </td>
@@ -61,7 +61,7 @@
                             <?php endif; ?>
                         </td>
                         <td class="col actions" data-th="<?php echo $block->escapeHtml(__('Actions'));?>">
-                            <a href="<?php echo $block->getItemDeleteUrl($_item) ?>" title="<?php echo __('Remove Item') ?>" class="action delete">
+                            <a href="<?php echo $block->getItemDeleteUrl($_item) ?>" title="<?php echo __('Remove Item') ?>" class="action delete" data-multiship-item-update="">
                                 <span><?php echo __('Remove item') ?></span>
                             </a>
                         </td>
@@ -76,7 +76,7 @@
             <button type="submit" title="<?php echo __('Go to Shipping Information') ?>" class="action primary continue<?php if ($block->isContinueDisabled()):?> disabled<?php endif; ?>" data-role="can-continue" data-flag="1"<?php if ($block->isContinueDisabled()):?> disabled="disabled"<?php endif; ?>><span><?php echo __('Go to Shipping Information') ?></span></button>
         </div>
         <div class="secondary">
-            <button type="submit" class="action update" data-role="can-continue" data-flag="0"><span><?php echo __('Update Qty &amp; Addresses') ?></span></button>
+            <button type="submit" data-multiship-item-update="" class="action update" data-role="can-continue" data-flag="0"><span><?php echo __('Update Qty &amp; Addresses') ?></span></button>
             <button type="button" title="<?php echo __('Enter a New Address') ?>" class="action add" data-role="add-new-address"><span><?php echo __('Enter a New Address') ?></span></button>
             <a href="<?php echo $block->getBackUrl() ?>" class="action back"><span><?php echo __('Back to Shopping Cart') ?></span></a>
         </div>
diff --git a/app/code/Magento/Newsletter/Model/Resource/Subscriber/Collection.php b/app/code/Magento/Newsletter/Model/Resource/Subscriber/Collection.php
index f3c949969be87..b2e5333c515e3 100644
--- a/app/code/Magento/Newsletter/Model/Resource/Subscriber/Collection.php
+++ b/app/code/Magento/Newsletter/Model/Resource/Subscriber/Collection.php
@@ -146,7 +146,7 @@ public function showCustomerInfo()
             [
                 'customer' => $this->getTable('customer_entity')
             ],
-            'main_table.customer_id',
+            'main_table.customer_id = customer.entity_id',
             [
                 'customer_lastname' => 'lastname',
                 'customer_firstname' => 'firstname'
diff --git a/setup/src/Magento/Setup/Test/Unit/Controller/InstallTest.php b/setup/src/Magento/Setup/Test/Unit/Controller/InstallTest.php
index af04feacb0de1..d7b9871d41ef3 100644
--- a/setup/src/Magento/Setup/Test/Unit/Controller/InstallTest.php
+++ b/setup/src/Magento/Setup/Test/Unit/Controller/InstallTest.php
@@ -62,7 +62,16 @@ public function testStartAction()
         $this->assertTrue($variables['success']);
     }
 
-    public function testStartActionWithError()
+    public function testStartActionException()
+    {
+        $this->webLogger->expects($this->once())->method('clear');
+        $this->installer->expects($this->once())->method('install')
+            ->willThrowException($this->getMock('\Magento\Setup\SampleDataException'));
+        $jsonModel = $this->controller->startAction();
+        $this->assertTrue($jsonModel->getVariable('isSampleDataError'));
+    }
+
+    public function testStartActionWithSampleDataError()
     {
         $this->webLogger->expects($this->once())->method('clear');
         $this->webLogger->expects($this->once())->method('logError');
@@ -108,6 +117,19 @@ public function testProgressActionWithError()
         $this->assertStringStartsWith('exception \'LogicException\' with message \'' . $e, $variables['console'][0]);
     }
 
+    public function testProgressActionWithSampleDataError()
+    {
+        $this->progressFactory->expects($this->once())->method('createFromLog')
+            ->willThrowException($this->getMock('\Magento\Setup\SampleDataException'));
+        $jsonModel = $this->controller->progressAction();
+        $this->assertInstanceOf('\Zend\View\Model\JsonModel', $jsonModel);
+        $variables = $jsonModel->getVariables();
+        $this->assertArrayHasKey('success', $variables);
+        $this->assertArrayHasKey('console', $variables);
+        $this->assertFalse($variables['success']);
+        $this->assertTrue($jsonModel->getVariable('isSampleDataError'));
+    }
+
     public function testDispatch()
     {
         $request = $this->getMock('\Zend\Http\PhpEnvironment\Request', [], [], '', false);
diff --git a/setup/src/Magento/Setup/Test/Unit/Model/SampleDataTest.php b/setup/src/Magento/Setup/Test/Unit/Model/SampleDataTest.php
new file mode 100644
index 0000000000000..58c35cc933a9b
--- /dev/null
+++ b/setup/src/Magento/Setup/Test/Unit/Model/SampleDataTest.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Setup\Test\Unit\Model;
+
+use Magento\Setup\Model\SampleData;
+
+/**
+ * Test Magento\Setup\Model\SampleData
+ */
+class SampleDataTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Magento\Setup\Model\SampleData
+     */
+    protected $sampleDataInstall;
+
+    /**
+     * @var \Magento\Framework\Setup\LoggerInterface
+     */
+    protected $loggerInterface;
+
+    /**
+     * @var \Magento\Framework\App\Filesystem\DirectoryList
+     */
+    protected $directoryList;
+
+    protected function setUp()
+    {
+        $this->loggerInterface = $this->getMock('Magento\Framework\Setup\LoggerInterface');
+        $this->directoryList = $this->getMock('Magento\Framework\App\Filesystem\DirectoryList', [], [], '', false);
+        $this->sampleDataInstall = new SampleData($this->directoryList);
+    }
+
+    public function testIsDeployed()
+    {
+        $this->directoryList->expects($this->once())->method('getPath')->with('code');
+        $this->sampleDataInstall->isDeployed();
+    }
+
+    /**
+     * Test SampleData installation check method.
+     * Can be tested only negative case because file_exists method used in the tested class
+     */
+    public function testIsInstalledSuccessfully()
+    {
+        $this->assertFalse($this->sampleDataInstall->isInstalledSuccessfully());
+    }
+}