diff --git a/composer.lock b/composer.lock
index 6f4fb63744..29a466328d 100644
--- a/composer.lock
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@@ -1867,18 +1872,77 @@
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             "require-dev": {
                 "doctrine/annotations": "~1.0",
                 "doctrine/common": "~2.2",
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/dependency-injection": "~3.3",
-                "symfony/expression-language": "~2.8|~3.0",
-                "symfony/http-foundation": "~2.8|~3.0",
-                "symfony/yaml": "~3.3"
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.3|~4.0",
+                "symfony/expression-language": "~2.8|~3.0|~4.0",
+                "symfony/http-foundation": "~2.8|~3.0|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "doctrine/annotations": "For using the annotation loader",
@@ -2019,7 +2083,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -2052,20 +2116,20 @@
                 "uri",
                 "url"
             ],
-            "time": "2017-11-07T14:16:22+00:00"
+            "time": "2017-11-24T14:13:49+00:00"
         },
         {
             "name": "symfony/serializer",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/serializer.git",
-                "reference": "d6dc07653b872b3091c70140751d5f3f4905082a"
+                "reference": "ac3e016189682e7d388e00d5c5cd0e84f1c9e55c"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/serializer/zipball/d6dc07653b872b3091c70140751d5f3f4905082a",
-                "reference": "d6dc07653b872b3091c70140751d5f3f4905082a",
+                "url": "https://api.github.com/repos/symfony/serializer/zipball/ac3e016189682e7d388e00d5c5cd0e84f1c9e55c",
+                "reference": "ac3e016189682e7d388e00d5c5cd0e84f1c9e55c",
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             "require": {
@@ -2076,19 +2140,19 @@
                 "symfony/dependency-injection": "<3.2",
                 "symfony/property-access": ">=3.0,<3.0.4|>=2.8,<2.8.4",
                 "symfony/property-info": "<3.1",
-                "symfony/yaml": "<3.3"
+                "symfony/yaml": "<3.4"
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             "require-dev": {
                 "doctrine/annotations": "~1.0",
                 "doctrine/cache": "~1.0",
                 "phpdocumentor/reflection-docblock": "^3.0|^4.0",
-                "symfony/cache": "~3.1",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/dependency-injection": "~3.2",
-                "symfony/http-foundation": "~2.8|~3.0",
-                "symfony/property-access": "~2.8|~3.0",
-                "symfony/property-info": "~3.1",
-                "symfony/yaml": "~3.3"
+                "symfony/cache": "~3.1|~4.0",
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.2|~4.0",
+                "symfony/http-foundation": "~2.8|~3.0|~4.0",
+                "symfony/property-access": "~2.8|~3.0|~4.0",
+                "symfony/property-info": "~3.1|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "doctrine/annotations": "For using the annotation mapping. You will also need doctrine/cache.",
@@ -2103,7 +2167,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
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             },
             "autoload": {
@@ -2130,20 +2194,20 @@
             ],
             "description": "Symfony Serializer Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-07T14:16:22+00:00"
+            "time": "2017-11-29T13:28:14+00:00"
         },
         {
             "name": "symfony/translation",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "373e553477e55cd08f8b86b74db766c75b987fdb"
+                "reference": "e05b0a5996ad7a35ba3a19ffad8b72c9daa64dfa"
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-                "reference": "373e553477e55cd08f8b86b74db766c75b987fdb",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/e05b0a5996ad7a35ba3a19ffad8b72c9daa64dfa",
+                "reference": "e05b0a5996ad7a35ba3a19ffad8b72c9daa64dfa",
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@@ -2152,13 +2216,16 @@
             },
             "conflict": {
                 "symfony/config": "<2.8",
-                "symfony/yaml": "<3.3"
+                "symfony/dependency-injection": "<3.4",
+                "symfony/yaml": "<3.4"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/intl": "^2.8.18|^3.2.5",
-                "symfony/yaml": "~3.3"
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.4|~4.0",
+                "symfony/finder": "~2.8|~3.0|~4.0",
+                "symfony/intl": "^2.8.18|^3.2.5|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "psr/log": "To use logging capability in translator",
@@ -2168,7 +2235,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
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             },
             "autoload": {
@@ -2195,43 +2262,47 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-07T14:12:55+00:00"
+            "time": "2017-11-27T14:23:00+00:00"
         },
         {
             "name": "symfony/validator",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/validator.git",
-                "reference": "ec0739539e4913177e37a43a8e8da091b8f7188d"
+                "reference": "6641e870a06dd21a50344b53d3401e108afca2d6"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/validator/zipball/ec0739539e4913177e37a43a8e8da091b8f7188d",
-                "reference": "ec0739539e4913177e37a43a8e8da091b8f7188d",
+                "url": "https://api.github.com/repos/symfony/validator/zipball/6641e870a06dd21a50344b53d3401e108afca2d6",
+                "reference": "6641e870a06dd21a50344b53d3401e108afca2d6",
                 "shasum": ""
             },
             "require": {
                 "php": "^5.5.9|>=7.0.8",
                 "symfony/polyfill-mbstring": "~1.0",
-                "symfony/translation": "~2.8|~3.0"
+                "symfony/translation": "~2.8|~3.0|~4.0"
             },
             "conflict": {
                 "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
                 "symfony/dependency-injection": "<3.3",
-                "symfony/yaml": "<3.3"
+                "symfony/http-kernel": "<3.3.5",
+                "symfony/yaml": "<3.4"
             },
             "require-dev": {
                 "doctrine/annotations": "~1.0",
                 "doctrine/cache": "~1.0",
                 "egulias/email-validator": "^1.2.8|~2.0",
-                "symfony/cache": "~3.1",
-                "symfony/config": "~2.8|~3.0",
-                "symfony/dependency-injection": "~3.3",
-                "symfony/expression-language": "~2.8|~3.0",
-                "symfony/http-foundation": "~2.8|~3.0",
-                "symfony/intl": "^2.8.18|^3.2.5",
-                "symfony/yaml": "~3.3"
+                "symfony/cache": "~3.1|~4.0",
+                "symfony/config": "~2.8|~3.0|~4.0",
+                "symfony/dependency-injection": "~3.3|~4.0",
+                "symfony/expression-language": "~2.8|~3.0|~4.0",
+                "symfony/http-foundation": "~2.8|~3.0|~4.0",
+                "symfony/http-kernel": "^3.3.5|~4.0",
+                "symfony/intl": "^2.8.18|^3.2.5|~4.0",
+                "symfony/property-access": "~2.8|~3.0|~4.0",
+                "symfony/var-dumper": "~3.3|~4.0",
+                "symfony/yaml": "~3.4|~4.0"
             },
             "suggest": {
                 "doctrine/annotations": "For using the annotation mapping. You will also need doctrine/cache.",
@@ -2242,12 +2313,13 @@
                 "symfony/expression-language": "For using the Expression validator",
                 "symfony/http-foundation": "",
                 "symfony/intl": "",
+                "symfony/property-access": "For accessing properties within comparison constraints",
                 "symfony/yaml": ""
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
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             },
             "autoload": {
@@ -2274,27 +2346,30 @@
             ],
             "description": "Symfony Validator Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-10T19:02:53+00:00"
+            "time": "2017-11-19T18:41:20+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "0938408c4faa518d95230deabb5f595bf0de31b9"
+                "reference": "b3d0c9c11be3831b84825967dc6b52b5a7b84e04"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/0938408c4faa518d95230deabb5f595bf0de31b9",
-                "reference": "0938408c4faa518d95230deabb5f595bf0de31b9",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/b3d0c9c11be3831b84825967dc6b52b5a7b84e04",
+                "reference": "b3d0c9c11be3831b84825967dc6b52b5a7b84e04",
                 "shasum": ""
             },
             "require": {
                 "php": "^5.5.9|>=7.0.8"
             },
+            "conflict": {
+                "symfony/console": "<3.4"
+            },
             "require-dev": {
-                "symfony/console": "~2.8|~3.0"
+                "symfony/console": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/console": "For validating YAML files using the lint command"
@@ -2302,7 +2377,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -2329,7 +2404,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-10T18:26:04+00:00"
+            "time": "2017-11-29T13:28:14+00:00"
         },
         {
             "name": "twig/twig",
@@ -4104,25 +4179,25 @@
         },
         {
             "name": "symfony/browser-kit",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/browser-kit.git",
-                "reference": "03f957cd24bf939524f07b8b910c89cfcad722a8"
+                "reference": "179522b5f0b5e6d00bb60f38a4d6b29962e4b61b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/03f957cd24bf939524f07b8b910c89cfcad722a8",
-                "reference": "03f957cd24bf939524f07b8b910c89cfcad722a8",
+                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/179522b5f0b5e6d00bb60f38a4d6b29962e4b61b",
+                "reference": "179522b5f0b5e6d00bb60f38a4d6b29962e4b61b",
                 "shasum": ""
             },
             "require": {
                 "php": "^5.5.9|>=7.0.8",
-                "symfony/dom-crawler": "~2.8|~3.0"
+                "symfony/dom-crawler": "~2.8|~3.0|~4.0"
             },
             "require-dev": {
-                "symfony/css-selector": "~2.8|~3.0",
-                "symfony/process": "~2.8|~3.0"
+                "symfony/css-selector": "~2.8|~3.0|~4.0",
+                "symfony/process": "~2.8|~3.0|~4.0"
             },
             "suggest": {
                 "symfony/process": ""
@@ -4130,7 +4205,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -4157,20 +4232,20 @@
             ],
             "description": "Symfony BrowserKit Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-07T14:12:55+00:00"
+            "time": "2017-11-07T14:20:24+00:00"
         },
         {
             "name": "symfony/css-selector",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "66e6e046032ebdf1f562c26928549f613d428bd1"
+                "reference": "7134b93e90ea7e7881fcb2da006d21b4c5f31908"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/css-selector/zipball/66e6e046032ebdf1f562c26928549f613d428bd1",
-                "reference": "66e6e046032ebdf1f562c26928549f613d428bd1",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/7134b93e90ea7e7881fcb2da006d21b4c5f31908",
+                "reference": "7134b93e90ea7e7881fcb2da006d21b4c5f31908",
                 "shasum": ""
             },
             "require": {
@@ -4179,7 +4254,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -4210,20 +4285,20 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-05T15:47:03+00:00"
+            "time": "2017-11-05T16:10:10+00:00"
         },
         {
             "name": "symfony/dom-crawler",
-            "version": "v3.3.11",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "cebe3c068867956e012d9135282ba6a05d8a259e"
+                "reference": "7bf68716e400997a291ad42c9f9fe7972e6656d2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/cebe3c068867956e012d9135282ba6a05d8a259e",
-                "reference": "cebe3c068867956e012d9135282ba6a05d8a259e",
+                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/7bf68716e400997a291ad42c9f9fe7972e6656d2",
+                "reference": "7bf68716e400997a291ad42c9f9fe7972e6656d2",
                 "shasum": ""
             },
             "require": {
@@ -4231,7 +4306,7 @@
                 "symfony/polyfill-mbstring": "~1.0"
             },
             "require-dev": {
-                "symfony/css-selector": "~2.8|~3.0"
+                "symfony/css-selector": "~2.8|~3.0|~4.0"
             },
             "suggest": {
                 "symfony/css-selector": ""
@@ -4239,7 +4314,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.3-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -4266,20 +4341,20 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2017-11-05T15:47:03+00:00"
+            "time": "2017-11-05T16:10:10+00:00"
         },
         {
             "name": "symfony/phpunit-bridge",
-            "version": "v3.4.0-BETA4",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/phpunit-bridge.git",
-                "reference": "081113c088d79ed8cf755675d2f55646c9e169fc"
+                "reference": "292c1a79c5c32360c62bbe67022a38c6535094d5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/phpunit-bridge/zipball/081113c088d79ed8cf755675d2f55646c9e169fc",
-                "reference": "081113c088d79ed8cf755675d2f55646c9e169fc",
+                "url": "https://api.github.com/repos/symfony/phpunit-bridge/zipball/292c1a79c5c32360c62bbe67022a38c6535094d5",
+                "reference": "292c1a79c5c32360c62bbe67022a38c6535094d5",
                 "shasum": ""
             },
             "require": {
@@ -4328,19 +4403,18 @@
             ],
             "description": "Symfony PHPUnit Bridge",
             "homepage": "https://symfony.com",
-            "time": "2017-11-07T14:20:24+00:00"
+            "time": "2017-11-22T11:41:29+00:00"
         }
     ],
     "aliases": [],
     "minimum-stability": "dev",
     "stability-flags": {
-        "behat/mink": 20,
-        "symfony/phpunit-bridge": 10
+        "behat/mink": 20
     },
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "platform-dev": []
 }
diff --git a/core/composer.json b/core/composer.json
index 5f77c76be5..1226c622c2 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -4,20 +4,20 @@
     "type": "drupal-core",
     "license": "GPL-2.0+",
     "require": {
-        "php": ">=5.5.9",
-        "symfony/class-loader": "~3.3.11",
-        "symfony/console": "~3.3.11",
-        "symfony/dependency-injection": "~3.3.11",
-        "symfony/event-dispatcher": "~3.3.11",
-        "symfony/http-foundation": "~3.3.11",
-        "symfony/http-kernel": "~3.3.11",
-        "symfony/routing": "~3.3.11",
-        "symfony/serializer": "~3.3.11",
-        "symfony/translation": "~3.3.11",
-        "symfony/validator": "~3.3.11",
-        "symfony/process": "~3.3.11",
+        "php": "^5.5.9|>=7.0.8",
+        "symfony/class-loader": "~3.4.0",
+        "symfony/console": "~3.4.0",
+        "symfony/dependency-injection": "~3.4.0",
+        "symfony/event-dispatcher": "~3.4.0",
+        "symfony/http-foundation": "~3.4.0",
+        "symfony/http-kernel": "~3.4.0",
+        "symfony/routing": "~3.4.0",
+        "symfony/serializer": "~3.4.0",
+        "symfony/translation": "~3.4.0",
+        "symfony/validator": "~3.4.0",
+        "symfony/process": "~3.4.0",
         "symfony/polyfill-iconv": "^1.0",
-        "symfony/yaml": "~3.3.11",
+        "symfony/yaml": "~3.4.0",
         "twig/twig": "^1.35.0",
         "doctrine/common": "^2.5",
         "doctrine/annotations": "^1.2",
@@ -46,8 +46,8 @@
         "mikey179/vfsStream": "^1.2",
         "phpunit/phpunit": ">=4.8.35 <5",
         "phpspec/prophecy": "^1.4",
-        "symfony/css-selector": "~3.3.11",
-        "symfony/phpunit-bridge": "^3.4.0@beta"
+        "symfony/css-selector": "~3.4.0",
+        "symfony/phpunit-bridge": "~3.4.0"
     },
     "replace": {
         "drupal/action": "self.version",