diff --git a/common/oatbox/service/ExtendedConfigDriver.php b/common/oatbox/service/ExtendedConfigDriver.php
new file mode 100644
index 000000000..51ccb687c
--- /dev/null
+++ b/common/oatbox/service/ExtendedConfigDriver.php
@@ -0,0 +1,103 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2019  (original work) Open Assessment Technologies SA;
+ *
+ * @author Oleksandr Zagovorychev <zagovorichev@gmail.com>
+ */
+
+namespace oat\oatbox\service;
+
+
+class ExtendedConfigDriver extends ServiceConfigDriver
+{
+    const LOCAL_CONFIG_PREFIX = 'local';
+
+    /**
+     * Local configuration with high priority which overrides configuration for the service
+     * @var array
+     */
+    private $localConfig;
+
+    public function get($id)
+    {
+        $entry = parent::get($id);
+        return $this->mergeLocalConfig($id, $entry);
+    }
+
+    private function mergeLocalConfig($id, $entry)
+    {
+        $opts = self::array_merge_recursive_ex($entry->getOptions(), $this->getLocalConfig($id));
+        $entry->setOptions($opts);
+        return $entry;
+    }
+
+    private static function array_merge_recursive_ex(array $array1, array $array2)
+    {
+        $merged = $array1;
+
+        foreach ($array2 as $key => & $value) {
+            if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) {
+                $merged[$key] = static::array_merge_recursive_ex($merged[$key], $value);
+            } else if (is_numeric($key)) {
+                if (!in_array($value, $merged, 1)) {
+                    $merged[] = $value;
+                }
+            } else {
+                $merged[$key] = $value;
+            }
+        }
+
+        return $merged;
+    }
+
+    private function getLocalConfig($id)
+    {
+        $localConfig = $this->loadLocalConfig();
+        $path = explode('/', $id);
+        $conf = $localConfig;
+        foreach ($path as $key) {
+            if (array_key_exists($key, $conf)) {
+                $conf = $conf[$key];
+            } else {
+                $conf = [];
+                break;
+            }
+        }
+        return $conf;
+    }
+
+    /**
+     *
+     */
+    /**
+     * @return array|mixed
+     */
+    private function loadLocalConfig()
+    {
+        if (!$this->localConfig) {
+            $this->localConfig = [];
+            $config = str_replace('.php', '.json', $this->getPath(self::LOCAL_CONFIG_PREFIX));
+            // extended configuration for the local service
+            if (is_readable($config)) {
+                $this->localConfig = @json_decode(@file_get_contents($config), 1);
+            }
+        }
+        return $this->localConfig;
+    }
+
+
+}
diff --git a/common/oatbox/service/ServiceConfigDriver.php b/common/oatbox/service/ServiceConfigDriver.php
index 48ca85897..a5e91e0e6 100644
--- a/common/oatbox/service/ServiceConfigDriver.php
+++ b/common/oatbox/service/ServiceConfigDriver.php
@@ -31,6 +31,7 @@
  */
 class ServiceConfigDriver extends \common_persistence_PhpFileDriver implements ConfigurationDriver
 {
+
     /**
      * Get the config content associated to given $key
      * $key has to be a configurable service
diff --git a/manifest.php b/manifest.php
index 813974414..0b1e2bfb4 100755
--- a/manifest.php
+++ b/manifest.php
@@ -31,7 +31,7 @@
     'label' => 'Generis Core',
     'description' => 'Core extension, provide the low level framework and an API to manage ontologies',
     'license' => 'GPL-2.0',
-    'version' => '8.2.1',
+    'version' => '8.3.0',
     'author' => 'Open Assessment Technologies, CRP Henri Tudor',
     'requires' => array(),
     'models' => array(
diff --git a/scripts/update/Updater.php b/scripts/update/Updater.php
index 76f68b8e9..870118819 100644
--- a/scripts/update/Updater.php
+++ b/scripts/update/Updater.php
@@ -361,6 +361,6 @@ public function update($initialVersion)
             $this->setVersion('8.0.0');
         }
 
-        $this->skip('8.0.0', '8.2.1');
+        $this->skip('8.0.0', '8.3.0');
     }
 }