diff --git a/app/code/Magento/Cms/view/adminhtml/templates/browser/content.phtml b/app/code/Magento/Cms/view/adminhtml/templates/browser/content.phtml
index 84947051e798b..70a9239af5805 100644
--- a/app/code/Magento/Cms/view/adminhtml/templates/browser/content.phtml
+++ b/app/code/Magento/Cms/view/adminhtml/templates/browser/content.phtml
@@ -20,6 +20,7 @@
                 <div class="title"><?php /* @escapeNotVerified */ echo $block->getHeaderText() ?></div>
             </div>
         </div>
+        <div id="error-message" data-action="show-error"></div>
         <div id="contents-uploader" class="contents-uploader"><?php echo $block->getChildHtml('wysiwyg_images.uploader') ?></div>
         <div id="contents"></div>
     </div>
diff --git a/app/code/Magento/Cms/view/adminhtml/templates/browser/content/uploader.phtml b/app/code/Magento/Cms/view/adminhtml/templates/browser/content/uploader.phtml
index 2ee12c1be3b51..24482f1fb4209 100644
--- a/app/code/Magento/Cms/view/adminhtml/templates/browser/content/uploader.phtml
+++ b/app/code/Magento/Cms/view/adminhtml/templates/browser/content/uploader.phtml
@@ -69,10 +69,16 @@ require([
         },
         done: function (e, data) {
             var progressSelector = '#' + data.fileId + ' .progressbar-container .progressbar';
+            var tempErrorMessage = document.createElement("div");
             $(progressSelector).css('width', '100%');
+            $('[data-action="show-error"]').children(".message").remove();
             if (data.result && !data.result.hasOwnProperty('errorcode')) {
                 $(progressSelector).removeClass('upload-progress').addClass('upload-success');
             } else {
+                tempErrorMessage.className = "message message-warning warning";
+                tempErrorMessage.innerHTML = data.result.error;
+
+                $('[data-action="show-error"]').append(tempErrorMessage);
                 $(progressSelector).removeClass('upload-progress').addClass('upload-failure');
             }
         },
diff --git a/app/code/Magento/Webapi/Controller/Soap.php b/app/code/Magento/Webapi/Controller/Soap.php
index 0fde56dd6b73b..a449504ee1083 100644
--- a/app/code/Magento/Webapi/Controller/Soap.php
+++ b/app/code/Magento/Webapi/Controller/Soap.php
@@ -134,7 +134,7 @@ public function dispatch(\Magento\Framework\App\RequestInterface $request)
                 $this->_setResponseBody($responseBody);
             } else if ($this->_isWsdlListRequest()) {
                 $servicesList = [];
-                foreach (array_keys($this->_wsdlGenerator->getListOfServices()) as $serviceName) {
+                foreach ($this->_wsdlGenerator->getListOfServices() as $serviceName) {
                     $servicesList[$serviceName]['wsdl_endpoint'] = $this->_soapServer->getEndpointUri()
                         . '?' . \Magento\Webapi\Model\Soap\Server::REQUEST_PARAM_WSDL . '&services=' . $serviceName;
                 }
diff --git a/lib/internal/Magento/Framework/View/Template/Html/Minifier.php b/lib/internal/Magento/Framework/View/Template/Html/Minifier.php
index 69bd404606d0a..797fcae985555 100644
--- a/lib/internal/Magento/Framework/View/Template/Html/Minifier.php
+++ b/lib/internal/Magento/Framework/View/Template/Html/Minifier.php
@@ -131,7 +131,7 @@ public function minify($file)
                             '#(?<!:|\\\\|\'|")//(?!\s*\<\!\[)(?!\s*]]\>)[^\n\r]*#',
                             '',
                             preg_replace(
-                                '#(?<!:)//[^\n\r]*(\s\?\>)#',
+                                '#(?<!:|\'|")//[^\n\r]*(\s\?\>)#',
                                 '$1',
                                 preg_replace(
                                     '#(?<!:)//[^\n\r]*(\<\?php)[^\n\r]*(\s\?\>)[^\n\r]*#',
diff --git a/lib/internal/Magento/Framework/View/Test/Unit/Template/Html/MinifierTest.php b/lib/internal/Magento/Framework/View/Test/Unit/Template/Html/MinifierTest.php
index 94fa61e04cbe5..d9f0353451db8 100644
--- a/lib/internal/Magento/Framework/View/Test/Unit/Template/Html/MinifierTest.php
+++ b/lib/internal/Magento/Framework/View/Test/Unit/Template/Html/MinifierTest.php
@@ -124,6 +124,8 @@ public function testMinify()
     <head>
         <title>Test title</title>
     </head>
+    <link rel="stylesheet" href='https://www.example.com/2' type="text/css" />
+    <link rel="stylesheet" type="text/css" media="all" href="https://www.example.com/1" type="text/css" />
     <body>
         <a href="http://somelink.com/text.html">Text Link</a>
         <img src="test.png" alt="some text" />
@@ -149,6 +151,8 @@ public function testMinify()
             //]]>
         </script>
         <?php echo "http://some.link.com/" ?>
+        <?php echo "//some.link.com/" ?>
+        <?php echo '//some.link.com/' ?>
         <em>inline text</em>
         <a href="http://www.<?php echo 'hi' ?>"></a>
     </body>
@@ -156,7 +160,7 @@ public function testMinify()
 TEXT;
 
         $expectedContent = <<<TEXT
-<?php /** * Copyright © 2016 Magento. All rights reserved. * See COPYING.txt for license details. */ ?> <?php ?> <html><head><title>Test title</title></head><body><a href="http://somelink.com/text.html">Text Link</a> <img src="test.png" alt="some text" /><?php echo \$block->someMethod(); ?> <div style="width: 800px" class="<?php echo \$block->getClass() ?>" /><script>
+<?php /** * Copyright © 2016 Magento. All rights reserved. * See COPYING.txt for license details. */ ?> <?php ?> <html><head><title>Test title</title></head><link rel="stylesheet" href='https://www.example.com/2' type="text/css" /><link rel="stylesheet" type="text/css" media="all" href="https://www.example.com/1" type="text/css" /><body><a href="http://somelink.com/text.html">Text Link</a> <img src="test.png" alt="some text" /><?php echo \$block->someMethod(); ?> <div style="width: 800px" class="<?php echo \$block->getClass() ?>" /><script>
             var i = 1;
             var j = 1;
 
@@ -174,7 +178,7 @@ public function testMinify()
                 }
             });
             //]]>
-</script><?php echo "http://some.link.com/" ?> <em>inline text</em> <a href="http://www.<?php echo 'hi' ?>"></a></body></html>
+</script><?php echo "http://some.link.com/" ?> <?php echo "//some.link.com/" ?> <?php echo '//some.link.com/' ?> <em>inline text</em> <a href="http://www.<?php echo 'hi' ?>"></a></body></html>
 TEXT;
 
         $this->appDirectoryMock->expects($this->once())