diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48e8654d8..d72053458 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+# v1.4.3
+## 04/12/2018
+
+1. [](#new)
+    * moved Twig `sortArrayByKey` logic into `Utils::` class
+1. [](#improved)
+    * Rolled back Parsedown library to stable `1.6.4` until a better solution for `1.8.0` compatibility can fe found
+    * Updated vendor libraries to latest versions
+1. [](#bugfix)
+    * Fix for bad reference to `ZipArchive` in `GPM::Installer`
+
 # v1.4.2
 ## 03/21/2018
 
@@ -11,7 +22,7 @@
     * Fixed an issue with Markdown Video and Audio that broke after Parsedown 1.7.0 Security updates [#1924](https://github.com/getgrav/grav/issues/1924)
     * Fix for case-sensitive page metadata [admin#1370](https://github.com/getgrav/grav-plugin-admin/issues/1370)
     * Fixed missing composer requirements for the new `Grav\Framework\Uri` classes
-    * Added missing PSR-7 vendor library required for URI additions in Grav 1.4.0
+    * Added missing PSR-7 vendor library required for URI additions in Grav 1.4.0 
 
 # v1.4.1
 ## 03/11/2018
@@ -60,7 +71,6 @@
     * Optimizations & refactoring to the test suite [#1779](https://github.com/getgrav/grav/pull/1779)
     * Slight modification of Whoops error colors
     * Added new configuration option `system.session.initialize` to delay session initialization if needed by a plugin
-    * Vendor library updated to latest
     * Updated vendor libraries to latest versions
     * Removed constructor from `ObjectInterface`
     * Make it possible to include debug bar also into non-HTML responses
diff --git a/README.md b/README.md
index 182138cfa..916421930 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,7 @@ See [LICENSE](LICENSE.txt)
 
 # Running Tests
 
-First install the dev dependencies by running `composer update` from the Grav root.
-Then `composer test` will run the Unit Tests, which should be always executed successfully on any site.
-
+First install the dev dependencies by running `composer update` from the Grav root.  
+Then `composer test` will run the Unit Tests, which should be always executed successfully on any site.  
+Windows users should use the `composer test-windows` command.  
 You can also run a single unit test file, e.g. `composer test tests/unit/Grav/Common/AssetsTest.php`
diff --git a/composer.json b/composer.json
index 995bd0a85..9918530bf 100644
--- a/composer.json
+++ b/composer.json
@@ -6,10 +6,9 @@
     "homepage": "http://getgrav.org",
     "license": "MIT",
     "require": {
-        "roave/security-advisories": "dev-master",
         "php": ">=5.5.9",
         "twig/twig": "~1.24",
-        "erusev/parsedown": "~1.6",
+        "erusev/parsedown": "1.6.4",
         "erusev/parsedown-extra": "~0.7",
         "symfony/yaml": "~2.8",
         "symfony/console": "~2.8",
diff --git a/composer.lock b/composer.lock
index 38e461d4c..dff7ccb1b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "fd0eed10f16784270a72286db775c95a",
+    "content-hash": "c71dffc7daccd08aba7a52a476569d4c",
     "packages": [
         {
             "name": "antoligy/dom-string-iterators",
@@ -52,16 +52,16 @@
         },
         {
             "name": "composer/ca-bundle",
-            "version": "1.1.0",
+            "version": "1.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/ca-bundle.git",
-                "reference": "943b2c4fcad1ef178d16a713c2468bf7e579c288"
+                "reference": "d2c0a83b7533d6912e8d516756ebd34f893e9169"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/943b2c4fcad1ef178d16a713c2468bf7e579c288",
-                "reference": "943b2c4fcad1ef178d16a713c2468bf7e579c288",
+                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/d2c0a83b7533d6912e8d516756ebd34f893e9169",
+                "reference": "d2c0a83b7533d6912e8d516756ebd34f893e9169",
                 "shasum": ""
             },
             "require": {
@@ -70,7 +70,7 @@
                 "php": "^5.3.2 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8.35",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5",
                 "psr/log": "^1.0",
                 "symfony/process": "^2.5 || ^3.0 || ^4.0"
             },
@@ -104,7 +104,7 @@
                 "ssl",
                 "tls"
             ],
-            "time": "2017-11-29T09:37:33+00:00"
+            "time": "2018-03-29T19:57:20+00:00"
         },
         {
             "name": "doctrine/cache",
@@ -295,20 +295,19 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.7.1",
+            "version": "1.6.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "92e9c27ba0e74b8b028b111d1b6f956a15c01fc1"
+                "reference": "fbe3fe878f4fe69048bb8a52783a09802004f548"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/92e9c27ba0e74b8b028b111d1b6f956a15c01fc1",
-                "reference": "92e9c27ba0e74b8b028b111d1b6f956a15c01fc1",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/fbe3fe878f4fe69048bb8a52783a09802004f548",
+                "reference": "fbe3fe878f4fe69048bb8a52783a09802004f548",
                 "shasum": ""
             },
             "require": {
-                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
             "require-dev": {
@@ -337,7 +336,7 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2018-03-08T01:11:30+00:00"
+            "time": "2017-11-14T20:44:03+00:00"
         },
         {
             "name": "erusev/parsedown-extra",
@@ -827,16 +826,16 @@
         },
         {
             "name": "miljar/php-exif",
-            "version": "v0.6.3",
+            "version": "v0.6.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPExif/php-exif.git",
-                "reference": "e43cc30608824d7f3466653b52bbbb71874b5b02"
+                "reference": "361c15b8bc7d5ef26a9492fe537f09c920fe6511"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPExif/php-exif/zipball/e43cc30608824d7f3466653b52bbbb71874b5b02",
-                "reference": "e43cc30608824d7f3466653b52bbbb71874b5b02",
+                "url": "https://api.github.com/repos/PHPExif/php-exif/zipball/361c15b8bc7d5ef26a9492fe537f09c920fe6511",
+                "reference": "361c15b8bc7d5ef26a9492fe537f09c920fe6511",
                 "shasum": ""
             },
             "require": {
@@ -878,7 +877,7 @@
                 "jpeg",
                 "tiff"
             ],
-            "time": "2017-02-06T14:40:26+00:00"
+            "time": "2018-03-27T10:41:55+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -1202,165 +1201,6 @@
             ],
             "time": "2017-10-23T01:57:42+00:00"
         },
-        {
-            "name": "roave/security-advisories",
-            "version": "dev-master",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/Roave/SecurityAdvisories.git",
-                "reference": "6da6150c9fb568739c8508a9859e9d5d7a5e99e9"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/6da6150c9fb568739c8508a9859e9d5d7a5e99e9",
-                "reference": "6da6150c9fb568739c8508a9859e9d5d7a5e99e9",
-                "shasum": ""
-            },
-            "conflict": {
-                "3f/pygmentize": "<1.2",
-                "adodb/adodb-php": "<5.20.6",
-                "amphp/artax": "<1.0.6|>=2,<2.0.6",
-                "amphp/http": "<1.0.1",
-                "asymmetricrypt/asymmetricrypt": ">=0,<9.9.99",
-                "aws/aws-sdk-php": ">=3,<3.2.1",
-                "bugsnag/bugsnag-laravel": ">=2,<2.0.2",
-                "cakephp/cakephp": ">=1.3,<1.3.18|>=2,<2.4.99|>=2.5,<2.5.99|>=2.6,<2.6.12|>=2.7,<2.7.6|>=3,<3.0.15|>=3.1,<3.1.4",
-                "cart2quote/module-quotation": ">=4.1.6,<=4.4.5|>=5,<5.4.4",
-                "cartalyst/sentry": "<=2.1.6",
-                "codeigniter/framework": "<=3.0.6",
-                "composer/composer": "<=1.0.0-alpha11",
-                "contao-components/mediaelement": ">=2.14.2,<2.21.1",
-                "contao/core": ">=2,<3.5.32",
-                "contao/core-bundle": ">=4,<4.4.8",
-                "contao/listing-bundle": ">=4,<4.4.8",
-                "contao/newsletter-bundle": ">=4,<4.1",
-                "doctrine/annotations": ">=1,<1.2.7",
-                "doctrine/cache": ">=1,<1.3.2|>=1.4,<1.4.2",
-                "doctrine/common": ">=2,<2.4.3|>=2.5,<2.5.1",
-                "doctrine/dbal": ">=2,<2.0.8|>=2.1,<2.1.2",
-                "doctrine/doctrine-bundle": "<1.5.2",
-                "doctrine/doctrine-module": "<=0.7.1",
-                "doctrine/mongodb-odm": ">=1,<1.0.2",
-                "doctrine/mongodb-odm-bundle": ">=2,<3.0.1",
-                "doctrine/orm": ">=2,<2.4.8|>=2.5,<2.5.1",
-                "dompdf/dompdf": ">=0.6,<0.6.2",
-                "drupal/core": ">=8,<8.4.5",
-                "drupal/drupal": ">=8,<8.4.5",
-                "erusev/parsedown": "<1.7",
-                "ezsystems/ezpublish-legacy": ">=5.3,<5.3.12.3|>=5.4,<5.4.11.3|>=2017.8,<2017.8.1.1|>=2017.12,<2017.12.2.1",
-                "firebase/php-jwt": "<2",
-                "friendsofsymfony/rest-bundle": ">=1.2,<1.2.2",
-                "friendsofsymfony/user-bundle": ">=1.2,<1.3.5",
-                "gree/jose": "<=2.2",
-                "gregwar/rst": "<1.0.3",
-                "guzzlehttp/guzzle": ">=6,<6.2.1|>=4.0.0-rc2,<4.2.4|>=5,<5.3.1",
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-                "illuminate/database": ">=4,<4.0.99|>=4.1,<4.1.29",
-                "joomla/session": "<1.3.1",
-                "laravel/framework": ">=4,<4.0.99|>=4.1,<4.1.29",
-                "laravel/socialite": ">=1,<1.0.99|>=2,<2.0.10",
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-                "monolog/monolog": ">=1.8,<1.12",
-                "namshi/jose": "<2.2",
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-                "oro/crm": ">=1.7,<1.7.4",
-                "oro/platform": ">=1.7,<1.7.4",
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-                "phpmailer/phpmailer": ">=5,<5.2.24",
-                "phpunit/phpunit": ">=4.8.19,<4.8.28|>=5.0.10,<5.6.3",
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-                "propel/propel": ">=2.0.0-alpha1,<=2.0.0-alpha7",
-                "propel/propel1": ">=1,<=1.7.1",
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-                "zendframework/zend-view": ">=2,<2.2.7|>=2.3,<2.3.1",
-                "zendframework/zend-xmlrpc": ">=2.1,<2.1.6|>=2.2,<2.2.6",
-                "zendframework/zendframework": ">=2,<2.4.11|>=2.5,<2.5.1",
-                "zendframework/zendframework1": "<1.12.20",
-                "zendframework/zendopenid": ">=2,<2.0.2",
-                "zendframework/zendxml": ">=1,<1.0.1",
-                "zetacomponents/mail": "<1.8.2",
-                "zf-commons/zfc-user": "<1.2.2",
-                "zfcampus/zf-apigility-doctrine": ">=1,<1.0.3",
-                "zfr/zfr-oauth2-server-module": "<0.1.2"
-            },
-            "type": "metapackage",
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Marco Pivetta",
-                    "email": "ocramius@gmail.com",
-                    "role": "maintainer"
-                }
-            ],
-            "description": "Prevents installation of composer packages with known security vulnerabilities: no API, simply require it",
-            "time": "2018-03-20T15:54:02+00:00"
-        },
         {
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             "version": "1.3.9",
@@ -1459,16 +1299,16 @@
         },
         {
             "name": "symfony/console",
-            "version": "v2.8.36",
+            "version": "v2.8.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "a6ff8b2ffa4eb43046828b303af2e3fedadacc27"
+                "reference": "7f78892d900c72a40acd1fe793c856ef0c110f26"
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-                "reference": "a6ff8b2ffa4eb43046828b303af2e3fedadacc27",
+                "url": "https://api.github.com/repos/symfony/console/zipball/7f78892d900c72a40acd1fe793c856ef0c110f26",
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@@ -1516,7 +1356,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2018-02-26T15:33:21+00:00"
+            "time": "2018-04-03T05:20:27+00:00"
         },
         {
             "name": "symfony/debug",
@@ -1577,16 +1417,16 @@
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v2.8.36",
+            "version": "v2.8.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "f5d2d7dcc33b89e20c2696ea9afcbddf6540081c"
+                "reference": "9b69aad7d4c086dc94ebade2d5eb9145da5dac8c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/f5d2d7dcc33b89e20c2696ea9afcbddf6540081c",
-                "reference": "f5d2d7dcc33b89e20c2696ea9afcbddf6540081c",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/9b69aad7d4c086dc94ebade2d5eb9145da5dac8c",
+                "reference": "9b69aad7d4c086dc94ebade2d5eb9145da5dac8c",
                 "shasum": ""
             },
             "require": {
@@ -1633,7 +1473,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2018-02-11T16:53:59+00:00"
+            "time": "2018-04-06T07:35:03+00:00"
         },
         {
             "name": "symfony/polyfill-iconv",
@@ -1755,16 +1595,16 @@
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v2.8.36",
+            "version": "v2.8.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "e6a3e8c832096f8902a3e80169fca5d202e7e0d3"
+                "reference": "942a8142104deb3254f7da292a923b6d4eac8081"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/e6a3e8c832096f8902a3e80169fca5d202e7e0d3",
-                "reference": "e6a3e8c832096f8902a3e80169fca5d202e7e0d3",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/942a8142104deb3254f7da292a923b6d4eac8081",
+                "reference": "942a8142104deb3254f7da292a923b6d4eac8081",
                 "shasum": ""
             },
             "require": {
@@ -1819,11 +1659,11 @@
                 "debug",
                 "dump"
             ],
-            "time": "2018-01-31T10:36:06+00:00"
+            "time": "2018-04-03T05:20:27+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v2.8.36",
+            "version": "v2.8.38",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
@@ -1998,21 +1838,21 @@
         },
         {
             "name": "codeception/codeception",
-            "version": "2.4.0",
+            "version": "2.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Codeception/Codeception.git",
-                "reference": "c50789a9a62cc0eefc0252e88a5f04f8c47b55f4"
+                "reference": "bca3547632556875f1cdd567d6057cc14fe472b8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Codeception/Codeception/zipball/c50789a9a62cc0eefc0252e88a5f04f8c47b55f4",
-                "reference": "c50789a9a62cc0eefc0252e88a5f04f8c47b55f4",
+                "url": "https://api.github.com/repos/Codeception/Codeception/zipball/bca3547632556875f1cdd567d6057cc14fe472b8",
+                "reference": "bca3547632556875f1cdd567d6057cc14fe472b8",
                 "shasum": ""
             },
             "require": {
                 "behat/gherkin": "^4.4.0",
-                "codeception/phpunit-wrapper": "^6.0|^7.0",
+                "codeception/phpunit-wrapper": "^6.0.9|^7.0.6",
                 "codeception/stub": "^1.0",
                 "ext-json": "*",
                 "ext-mbstring": "*",
@@ -2085,20 +1925,20 @@
                 "functional testing",
                 "unit testing"
             ],
-            "time": "2018-02-27T00:09:12+00:00"
+            "time": "2018-03-31T22:30:43+00:00"
         },
         {
             "name": "codeception/phpunit-wrapper",
-            "version": "6.0.8",
+            "version": "6.0.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Codeception/phpunit-wrapper.git",
-                "reference": "e18f3ea1f841bfd2cecaf6e183e584127b9d467b"
+                "reference": "450f1cfc5f49539c421061e64338f5edb8baad6a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Codeception/phpunit-wrapper/zipball/e18f3ea1f841bfd2cecaf6e183e584127b9d467b",
-                "reference": "e18f3ea1f841bfd2cecaf6e183e584127b9d467b",
+                "url": "https://api.github.com/repos/Codeception/phpunit-wrapper/zipball/450f1cfc5f49539c421061e64338f5edb8baad6a",
+                "reference": "450f1cfc5f49539c421061e64338f5edb8baad6a",
                 "shasum": ""
             },
             "require": {
@@ -2131,7 +1971,7 @@
                 }
             ],
             "description": "PHPUnit classes used by Codeception",
-            "time": "2018-03-16T10:17:47+00:00"
+            "time": "2018-03-31T18:50:01+00:00"
         },
         {
             "name": "codeception/stub",
@@ -2324,16 +2164,16 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.3.0",
+            "version": "6.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "f4db5a78a5ea468d4831de7f0bf9d9415e348699"
+                "reference": "68d0ea14d5a3f42a20e87632a5f84931e2709c90"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/f4db5a78a5ea468d4831de7f0bf9d9415e348699",
-                "reference": "f4db5a78a5ea468d4831de7f0bf9d9415e348699",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/68d0ea14d5a3f42a20e87632a5f84931e2709c90",
+                "reference": "68d0ea14d5a3f42a20e87632a5f84931e2709c90",
                 "shasum": ""
             },
             "require": {
@@ -2343,7 +2183,7 @@
             },
             "require-dev": {
                 "ext-curl": "*",
-                "phpunit/phpunit": "^4.0 || ^5.0",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4",
                 "psr/log": "^1.0"
             },
             "suggest": {
@@ -2352,7 +2192,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "6.2-dev"
+                    "dev-master": "6.3-dev"
                 }
             },
             "autoload": {
@@ -2385,7 +2225,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2017-06-22T18:50:49+00:00"
+            "time": "2018-03-26T16:33:04+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -3397,16 +3237,16 @@
         },
         {
             "name": "symfony/browser-kit",
-            "version": "v3.4.6",
+            "version": "v3.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/browser-kit.git",
-                "reference": "490f27762705c8489bd042fe3e9377a191dba9b4"
+                "reference": "840bb6f0d5b3701fd768b68adf7193c2d0f98f79"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/490f27762705c8489bd042fe3e9377a191dba9b4",
-                "reference": "490f27762705c8489bd042fe3e9377a191dba9b4",
+                "url": "https://api.github.com/repos/symfony/browser-kit/zipball/840bb6f0d5b3701fd768b68adf7193c2d0f98f79",
+                "reference": "840bb6f0d5b3701fd768b68adf7193c2d0f98f79",
                 "shasum": ""
             },
             "require": {
@@ -3450,20 +3290,20 @@
             ],
             "description": "Symfony BrowserKit Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-03T07:37:34+00:00"
+            "time": "2018-03-19T22:32:39+00:00"
         },
         {
             "name": "symfony/css-selector",
-            "version": "v3.4.6",
+            "version": "v3.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "544655f1fc078a9cd839fdda2b7b1e64627c826a"
+                "reference": "519a80d7c1d95c6cc0b67f686d15fe27c6910de0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/css-selector/zipball/544655f1fc078a9cd839fdda2b7b1e64627c826a",
-                "reference": "544655f1fc078a9cd839fdda2b7b1e64627c826a",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/519a80d7c1d95c6cc0b67f686d15fe27c6910de0",
+                "reference": "519a80d7c1d95c6cc0b67f686d15fe27c6910de0",
                 "shasum": ""
             },
             "require": {
@@ -3503,20 +3343,20 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2018-02-03T14:55:07+00:00"
+            "time": "2018-03-19T22:32:39+00:00"
         },
         {
             "name": "symfony/dom-crawler",
-            "version": "v3.4.6",
+            "version": "v3.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dom-crawler.git",
-                "reference": "2bb5d3101cc01f4fe580e536daf4f1959bc2d24d"
+                "reference": "1a4cffeb059226ff6bee9f48acb388faf674afff"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/2bb5d3101cc01f4fe580e536daf4f1959bc2d24d",
-                "reference": "2bb5d3101cc01f4fe580e536daf4f1959bc2d24d",
+                "url": "https://api.github.com/repos/symfony/dom-crawler/zipball/1a4cffeb059226ff6bee9f48acb388faf674afff",
+                "reference": "1a4cffeb059226ff6bee9f48acb388faf674afff",
                 "shasum": ""
             },
             "require": {
@@ -3559,20 +3399,20 @@
             ],
             "description": "Symfony DomCrawler Component",
             "homepage": "https://symfony.com",
-            "time": "2018-02-22T10:48:49+00:00"
+            "time": "2018-03-19T22:32:39+00:00"
         },
         {
             "name": "symfony/finder",
-            "version": "v3.4.6",
+            "version": "v3.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "a479817ce0a9e4adfd7d39c6407c95d97c254625"
+                "reference": "bd14efe8b1fabc4de82bf50dce62f05f9a102433"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/a479817ce0a9e4adfd7d39c6407c95d97c254625",
-                "reference": "a479817ce0a9e4adfd7d39c6407c95d97c254625",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/bd14efe8b1fabc4de82bf50dce62f05f9a102433",
+                "reference": "bd14efe8b1fabc4de82bf50dce62f05f9a102433",
                 "shasum": ""
             },
             "require": {
@@ -3608,20 +3448,20 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2018-03-05T18:28:11+00:00"
+            "time": "2018-04-04T05:07:11+00:00"
         },
         {
             "name": "symfony/process",
-            "version": "v3.4.6",
+            "version": "v3.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "cc4aea21f619116aaf1c58016a944e4821c8e8af"
+                "reference": "4b7d64e852886319e93ddfdecff0d744ab87658b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/cc4aea21f619116aaf1c58016a944e4821c8e8af",
-                "reference": "cc4aea21f619116aaf1c58016a944e4821c8e8af",
+                "url": "https://api.github.com/repos/symfony/process/zipball/4b7d64e852886319e93ddfdecff0d744ab87658b",
+                "reference": "4b7d64e852886319e93ddfdecff0d744ab87658b",
                 "shasum": ""
             },
             "require": {
@@ -3657,7 +3497,7 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2018-02-12T17:55:00+00:00"
+            "time": "2018-04-03T05:22:50+00:00"
         },
         {
             "name": "victorjonsson/markdowndocs",
@@ -3759,7 +3599,6 @@
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": {
-        "roave/security-advisories": 20,
         "victorjonsson/markdowndocs": 20
     },
     "prefer-stable": false,
diff --git a/system/defines.php b/system/defines.php
index 6615cf562..329265a05 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -8,7 +8,7 @@
 
 // Some standard defines
 define('GRAV', true);
-define('GRAV_VERSION', '1.4.2');
+define('GRAV_VERSION', '1.4.3');
 define('GRAV_TESTING', false);
 define('DS', '/');
 
diff --git a/system/src/Grav/Common/Config/Setup.php b/system/src/Grav/Common/Config/Setup.php
index 316b090d5..e9180fea8 100644
--- a/system/src/Grav/Common/Config/Setup.php
+++ b/system/src/Grav/Common/Config/Setup.php
@@ -137,7 +137,8 @@ class Setup extends Data
 
         // Pre-load setup.php which contains our initial configuration.
         // Configuration may contain dynamic parts, which is why we need to always load it.
-        $file = GRAV_ROOT . '/setup.php';
+        // If "GRAVE_SETUP_PATH" has been defined, use it, otherwise use defaults.
+        $file = defined('GRAV_SETUP_PATH') ? GRAV_SETUP_PATH :  GRAV_ROOT . '/setup.php';
         $setup = is_file($file) ? (array) include $file : [];
 
         // Add default streams defined in beginning of the class.
diff --git a/system/src/Grav/Common/GPM/Installer.php b/system/src/Grav/Common/GPM/Installer.php
index a32e1e1b0..6c385b8d8 100644
--- a/system/src/Grav/Common/GPM/Installer.php
+++ b/system/src/Grav/Common/GPM/Installer.php
@@ -43,6 +43,11 @@ class Installer
      */
     protected static $error = 0;
 
+    /**
+     * @var integer Zip Error Code
+     */
+    protected static $error_zip = 0;
+
     /**
      * @var string Post install message
      */
@@ -189,60 +194,11 @@ class Installer
             return $extracted_folder;
         }
 
-        self::$error = self::getZipError($archive);
+        self::$error = self::ZIP_EXTRACT_ERROR;
+        self::$error_zip = $archive;
         return false;
     }
 
-    /**
-     * Output a more useful ZIP error
-     *
-     * @param $res
-     * @return string
-     */
-    protected static function getZipError($res)
-    {
-        switch($res){
-            case ZipArchive::ER_EXISTS:
-                $error = "File already exists.";
-                break;
-
-            case ZipArchive::ER_INCONS:
-                $error = "Zip archive inconsistent.";
-                break;
-
-            case ZipArchive::ER_MEMORY:
-                $error = "Malloc failure.";
-                break;
-
-            case ZipArchive::ER_NOENT:
-                $error = "No such file.";
-                break;
-
-            case ZipArchive::ER_NOZIP:
-                $error = "Not a zip archive.";
-                break;
-
-            case ZipArchive::ER_OPEN:
-                $error = "Can't open file.";
-                break;
-
-            case ZipArchive::ER_READ:
-                $error = "Read error.";
-                break;
-
-            case ZipArchive::ER_SEEK:
-                $error = "Seek error.";
-                break;
-
-            default:
-                $error = self::ZIP_EXTRACT_ERROR;
-                break;
-        }
-
-        return $error;
-    }
-
-
     /**
      * Instantiates and returns the package installer class
      *
@@ -509,7 +465,42 @@ class Installer
                 break;
 
             case self::ZIP_EXTRACT_ERROR:
-                $msg = 'An error occurred while extracting the package';
+                $msg = 'Unable to extract the package. ';
+                if (self::$error_zip) {
+                    switch(self::$error_zip) {
+                        case \ZipArchive::ER_EXISTS:
+                            $msg .= "File already exists.";
+                            break;
+
+                        case \ZipArchive::ER_INCONS:
+                            $msg .= "Zip archive inconsistent.";
+                            break;
+
+                        case \ZipArchive::ER_MEMORY:
+                            $msg .= "Malloc failure.";
+                            break;
+
+                        case \ZipArchive::ER_NOENT:
+                            $msg .= "No such file.";
+                            break;
+
+                        case \ZipArchive::ER_NOZIP:
+                            $msg .= "Not a zip archive.";
+                            break;
+
+                        case \ZipArchive::ER_OPEN:
+                            $msg .= "Can't open file.";
+                            break;
+
+                        case \ZipArchive::ER_READ:
+                            $msg .= "Read error.";
+                            break;
+
+                        case \ZipArchive::ER_SEEK:
+                            $msg .= "Seek error.";
+                            break;
+                    }
+                }
                 break;
 
             default:
diff --git a/system/src/Grav/Common/Markdown/ParsedownGravTrait.php b/system/src/Grav/Common/Markdown/ParsedownGravTrait.php
index 8c384c385..59be69b0e 100644
--- a/system/src/Grav/Common/Markdown/ParsedownGravTrait.php
+++ b/system/src/Grav/Common/Markdown/ParsedownGravTrait.php
@@ -243,19 +243,6 @@ trait ParsedownGravTrait
         return $excerpt;
     }
 
-    /**
-     * Return Text as-is to get around Parsedown security fixes
-     * which break these fields
-     *
-     * @param $text
-     * @param $nestable
-     * @return mixed
-     */
-    public function html($text, $nestable)
-    {
-        return $text;
-    }
-
     // For extending this class via plugins
     public function __call($method, $args)
     {
diff --git a/system/src/Grav/Common/Page/Medium/AudioMedium.php b/system/src/Grav/Common/Page/Medium/AudioMedium.php
index c3bac7bd6..aae359776 100644
--- a/system/src/Grav/Common/Page/Medium/AudioMedium.php
+++ b/system/src/Grav/Common/Page/Medium/AudioMedium.php
@@ -25,7 +25,6 @@ class AudioMedium extends Medium
 
         return [
             'name' => 'audio',
-            'handler' => 'html',
             'text' => '<source src="' . $location . '">Your browser does not support the audio tag.',
             'attributes' => $attributes
         ];
diff --git a/system/src/Grav/Common/Page/Medium/VideoMedium.php b/system/src/Grav/Common/Page/Medium/VideoMedium.php
index f7923c367..b3c8eed85 100644
--- a/system/src/Grav/Common/Page/Medium/VideoMedium.php
+++ b/system/src/Grav/Common/Page/Medium/VideoMedium.php
@@ -25,8 +25,7 @@ class VideoMedium extends Medium
 
         return [
             'name' => 'video',
-            'handler' => 'html',
-            'text' => '<source src="' . $location . '">Your2 browser does not support the video tag.',
+            'text' => '<source src="' . $location . '">Your browser does not support the video tag.',
             'attributes' => $attributes
         ];
     }
diff --git a/system/src/Grav/Common/Twig/TwigExtension.php b/system/src/Grav/Common/Twig/TwigExtension.php
index 6de7e106b..fb27ec823 100644
--- a/system/src/Grav/Common/Twig/TwigExtension.php
+++ b/system/src/Grav/Common/Twig/TwigExtension.php
@@ -371,25 +371,14 @@ class TwigExtension extends \Twig_Extension implements \Twig_Extension_GlobalsIn
      *
      * @param  array    $input
      * @param  string   $filter
-     * @param array|int $direction
+     * @param  int      $direction
+     * @param  int      $sort_flags
      *
      * @return array
      */
-    public function sortByKeyFilter($input, $filter, $direction = SORT_ASC)
+    public function sortByKeyFilter($input, $filter, $direction = SORT_ASC, $sort_flags = SORT_REGULAR)
     {
-        $output = [];
-
-        if (!is_array($input) || !$input) {
-            return $output;
-        }
-
-        foreach ($input as $key => $row) {
-            $output[$key] = $row[$filter];
-        }
-
-        array_multisort($output, $direction, $input);
-
-        return $input;
+        return Utils::sortArrayByKey($input, $filter, $direction, $sort_flags);
     }
 
     /**
diff --git a/system/src/Grav/Common/Utils.php b/system/src/Grav/Common/Utils.php
index 9193a6708..2736fd904 100644
--- a/system/src/Grav/Common/Utils.php
+++ b/system/src/Grav/Common/Utils.php
@@ -966,6 +966,32 @@ abstract class Utils
         return $ordered + $array;
     }
 
+    /**
+     * Sort an array by a key value in the array
+     *
+     * @param $array
+     * @param $array_key
+     * @param int $direction
+     * @param int $sort_flags
+     * @return array
+     */
+    public static function sortArrayByKey($array, $array_key, $direction = SORT_DESC, $sort_flags = SORT_REGULAR )
+    {
+        $output = [];
+
+        if (!is_array($array) || !$array) {
+            return $output;
+        }
+
+        foreach ($array as $key => $row) {
+            $output[$key] = $row[$array_key];
+        }
+
+        array_multisort($output, $direction, $sort_flags, $array);
+
+        return $array;
+    }
+
     /**
      * Get's path based on a token
      *
diff --git a/tests/unit/Grav/Common/Markdown/ParsedownTest.php b/tests/unit/Grav/Common/Markdown/ParsedownTest.php
index 88bccabfb..e73e11f01 100644
--- a/tests/unit/Grav/Common/Markdown/ParsedownTest.php
+++ b/tests/unit/Grav/Common/Markdown/ParsedownTest.php
@@ -315,7 +315,7 @@ class ParsedownTest extends \Codeception\TestCase\Test
             $this->parsedown->text('[cnn.com](http://www.cnn.com)'));
         $this->assertSame('<p><a href="https://www.google.com">google.com</a></p>',
             $this->parsedown->text('[google.com](https://www.google.com)'));
-        $this->assertSame('<p><a href="https://github.com/getgrav/grav/issues/new?title=%5Badd-resource%5D%20New%20Plugin%2FTheme&amp;body=Hello%20%2A%2AThere%2A%2A">complex url</a></p>',
+        $this->assertSame('<p><a href="https://github.com/getgrav/grav/issues/new?title=%5Badd-resource%5D%20New%20Plugin%2FTheme&body=Hello%20%2A%2AThere%2A%2A">complex url</a></p>',
             $this->parsedown->text('[complex url](https://github.com/getgrav/grav/issues/new?title=[add-resource]%20New%20Plugin/Theme&body=Hello%20**There**)'));
     }
 
@@ -689,7 +689,7 @@ class ParsedownTest extends \Codeception\TestCase\Test
             $this->parsedown->text('[Relative Target](../item2-3?target=_blank)'));
         $this->assertSame('<p><a href="/item2/item2-3" rel="nofollow">Relative Rel</a></p>',
             $this->parsedown->text('[Relative Rel](../item2-3?rel=nofollow)'));
-        $this->assertSame('<p><a href="/item2/item2-3?foo=bar&amp;baz=qux" rel="nofollow" class="button">Relative Mixed</a></p>',
+        $this->assertSame('<p><a href="/item2/item2-3?foo=bar&baz=qux" rel="nofollow" class="button">Relative Mixed</a></p>',
             $this->parsedown->text('[Relative Mixed](../item2-3?foo=bar&baz=qux&rel=nofollow&class=button)'));
     }