diff --git a/.env.example b/.env.example
index f47c87658..d9aa2df2a 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,5 @@
 # Common params
-APP_ENV=local
+APP_ENV=production
 APP_CRON_ENABLED=true
 APP_DEMO_MODE=false
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 148415a88..75ab68ff7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,8 +6,10 @@
 **Merged pull requests:**
 
 - Release 2.4.4 🦩 ([belomaxorka](https://github.com/belomaxorka))
+- Some security improvements 🔑 [\#1503](https://github.com/torrentpier/torrentpier/pull/1503) ([belomaxorka](https://github.com/belomaxorka))
 - Some improvements for integrity checker [\#1501](https://github.com/torrentpier/torrentpier/pull/1501) ([belomaxorka](https://github.com/belomaxorka))
 - Minor improvements [\#1502](https://github.com/torrentpier/torrentpier/pull/1502) ([belomaxorka](https://github.com/belomaxorka))
+- New Crowdin updates [\#1504](https://github.com/torrentpier/torrentpier/pull/1504) ([Exileum](https://github.com/Exileum))
 
 ## [v2.4.3](https://github.com/torrentpier/torrentpier/tree/v2.4.3) (2024-06-09)
 [Full Changelog](https://github.com/torrentpier/torrentpier/compare/v2.4.2...v2.4.3)
diff --git a/library/defines.php b/library/defines.php
index ef012e654..f119eb034 100644
--- a/library/defines.php
+++ b/library/defines.php
@@ -65,7 +65,6 @@ define('XS_TAG_ENDIF', 8);
 define('XS_TAG_BEGINELSE', 11);
 
 // Debug
-define('APP_DEBUG', true); // enable application debug
 define('SQL_DEBUG', true); // enable forum sql & cache debug
 define('SQL_LOG_ERRORS', true); // all SQL_xxx options enabled only if SQL_DEBUG == TRUE
 define('SQL_BB_LOG_NAME', 'sql_error_bb'); // mysql log filename (Board)
diff --git a/library/includes/page_footer.php b/library/includes/page_footer.php
index bdabc2539..d4a8cd0d4 100644
--- a/library/includes/page_footer.php
+++ b/library/includes/page_footer.php
@@ -11,7 +11,7 @@ if (!defined('BB_ROOT')) {
     die(basename(__FILE__));
 }
 
-global $bb_cfg, $userdata, $template, $DBS, $lang;
+global $bb_cfg, $debug, $userdata, $template, $DBS, $lang;
 
 if (!empty($template)) {
     $template->assign_vars([
@@ -25,7 +25,7 @@ if (!empty($template)) {
     $template->pparse('page_footer');
 }
 
-$show_dbg_info = (APP_DEBUG && !(isset($_GET['pane']) && $_GET['pane'] == 'left'));
+$show_dbg_info = (!$debug->isProduction && !(isset($_GET['pane']) && $_GET['pane'] == 'left'));
 
 if (!$bb_cfg['gzip_compress']) {
     flush();
diff --git a/library/includes/page_footer_dev.php b/library/includes/page_footer_dev.php
index ae470b6c8..932a09bb6 100644
--- a/library/includes/page_footer_dev.php
+++ b/library/includes/page_footer_dev.php
@@ -71,7 +71,7 @@ if (!empty($_COOKIE['explain'])) {
     }
 }
 
-$sql_log = !empty($_COOKIE['sql_log']) ? \TorrentPier\Dev::get_sql_log() : false;
+$sql_log = !empty($_COOKIE['sql_log']) ? $debug->getSqlLog() : false;
 
 if ($sql_log) {
     echo '<div class="sqlLog" id="sqlLog">' . $sql_log . '</div><!-- / sqlLog --><br clear="all" />';
diff --git a/src/Ajax.php b/src/Ajax.php
index 77a904158..6b73aee1a 100644
--- a/src/Ajax.php
+++ b/src/Ajax.php
@@ -170,14 +170,16 @@ class Ajax
     /**
      * Send data
      *
+     * @return void
      * @throws Exception
      */
-    public function send()
+    public function send(): void
     {
+        global $debug;
         $this->response['action'] = $this->action;
 
-        if (Dev::sql_dbg_enabled()) {
-            $this->response['sql_log'] = Dev::get_sql_log();
+        if ($debug->sqlDebugAllowed()) {
+            $this->response['sql_log'] = $debug->getSqlLog();
         }
 
         // sending output will be handled by $this->ob_handler()
@@ -193,7 +195,9 @@ class Ajax
      */
     public function ob_handler($contents): string
     {
-        if (APP_DEBUG) {
+        global $debug;
+
+        if (!$debug->isProduction) {
             if ($contents) {
                 $this->response['raw_output'] = $contents;
             }
diff --git a/src/Dev.php b/src/Dev.php
index 6452aa4c3..cf946c6cf 100644
--- a/src/Dev.php
+++ b/src/Dev.php
@@ -37,7 +37,14 @@ class Dev
      *
      * @var string
      */
-    public string $envType = 'local';
+    private string $envType;
+
+    /**
+     * In production mode
+     *
+     * @var bool
+     */
+    public bool $isProduction = false;
 
     /**
      * Whoops instance
@@ -51,16 +58,20 @@ class Dev
      */
     public function __construct()
     {
-        $this->envType = env('APP_ENV', 'local');
+        $this->envType = env('APP_ENV', 'production');
         $this->whoops = new Run;
 
         switch ($this->envType) {
+            case 'prod':
             case 'production':
                 ini_set('display_errors', 0);
                 ini_set('display_startup_errors', 0);
                 $this->getWhoopsProduction();
+                $this->isProduction = true;
                 break;
+            case 'dev':
             case 'local':
+            case 'development':
                 ini_set('display_errors', 1);
                 ini_set('display_startup_errors', 1);
                 $this->getWhoops();
@@ -128,10 +139,6 @@ class Dev
      */
     private function getWhoops(): void
     {
-        if (!APP_DEBUG) {
-            return;
-        }
-
         /**
          * Show errors on page
          */
@@ -170,28 +177,28 @@ class Dev
      * @return string
      * @throws Exception
      */
-    public static function get_sql_log(): string
+    public function getSqlLog(): string
     {
         global $DBS, $CACHES, $datastore;
 
         $log = '';
 
         foreach ($DBS->srv as $srv_name => $db_obj) {
-            $log .= !empty($db_obj->dbg) ? self::get_sql_log_html($db_obj, "database: $srv_name [{$db_obj->engine}]") : '';
+            $log .= !empty($db_obj->dbg) ? $this->getSqlLogHtml($db_obj, "database: $srv_name [{$db_obj->engine}]") : '';
         }
 
         foreach ($CACHES->obj as $cache_name => $cache_obj) {
             if (!empty($cache_obj->db->dbg)) {
-                $log .= self::get_sql_log_html($cache_obj->db, "cache: $cache_name [{$cache_obj->db->engine}]");
+                $log .= $this->getSqlLogHtml($cache_obj->db, "cache: $cache_name [{$cache_obj->db->engine}]");
             } elseif (!empty($cache_obj->dbg)) {
-                $log .= self::get_sql_log_html($cache_obj, "cache: $cache_name [{$cache_obj->engine}]");
+                $log .= $this->getSqlLogHtml($cache_obj, "cache: $cache_name [{$cache_obj->engine}]");
             }
         }
 
         if (!empty($datastore->db->dbg)) {
-            $log .= self::get_sql_log_html($datastore->db, "cache: datastore [{$datastore->db->engine}]");
+            $log .= $this->getSqlLogHtml($datastore->db, "cache: datastore [{$datastore->db->engine}]");
         } elseif (!empty($datastore->dbg)) {
-            $log .= self::get_sql_log_html($datastore, "cache: datastore [{$datastore->engine}]");
+            $log .= $this->getSqlLogHtml($datastore, "cache: datastore [{$datastore->engine}]");
         }
 
         return $log;
@@ -202,9 +209,40 @@ class Dev
      *
      * @return bool
      */
-    public static function sql_dbg_enabled(): bool
+    public function sqlDebugAllowed(): bool
     {
-        return (SQL_DEBUG && APP_DEBUG && !empty($_COOKIE['sql_log']));
+        return (SQL_DEBUG && !$this->isProduction && !empty($_COOKIE['sql_log']));
+    }
+
+    /**
+     * Get SQL query html log
+     *
+     * @param object $db_obj
+     * @param string $log_name
+     *
+     * @return string
+     * @throws Exception
+     */
+    private function getSqlLogHtml(object $db_obj, string $log_name): string
+    {
+        $log = '';
+
+        foreach ($db_obj->dbg as $i => $dbg) {
+            $id = "sql_{$i}_" . random_int(0, mt_getrandmax());
+            $sql = $this->shortQuery($dbg['sql'], true);
+            $time = sprintf('%.4f', $dbg['time']);
+            $perc = '[' . round($dbg['time'] * 100 / $db_obj->sql_timetotal) . '%]';
+            $info = !empty($dbg['info']) ? $dbg['info'] . ' [' . $dbg['src'] . ']' : $dbg['src'];
+
+            $log .= '<div onmouseout="$(this).removeClass(\'sqlHover\');" onmouseover="$(this).addClass(\'sqlHover\');" onclick="$(this).toggleClass(\'sqlHighlight\');" class="sqlLogRow" title="' . $info . '">'
+                . '<span style="letter-spacing: -1px;">' . $time . ' </span>'
+                . '<span class="copyElement" data-clipboard-target="#' . $id . '" title="Copy to clipboard" style="color: rgb(128,128,128); letter-spacing: -1px;">' . $perc . '</span>&nbsp;'
+                . '<span style="letter-spacing: 0;" id="' . $id . '">' . $sql . '</span>'
+                . '<span style="color: rgb(128,128,128);"> # ' . $info . ' </span>'
+                . '</div>';
+        }
+
+        return '<div class="sqlLogTitle">' . $log_name . '</div>' . $log;
     }
 
     /**
@@ -214,7 +252,7 @@ class Dev
      * @param bool $esc_html
      * @return string
      */
-    public static function short_query(string $sql, bool $esc_html = false): string
+    public function shortQuery(string $sql, bool $esc_html = false): string
     {
         $max_len = 100;
         $sql = str_compact($sql);
@@ -227,40 +265,4 @@ class Dev
 
         return $esc_html ? htmlCHR($sql, true) : $sql;
     }
-
-    /**
-     * Get SQL query html log
-     *
-     * @param object $db_obj
-     * @param string $log_name
-     *
-     * @return string
-     * @throws Exception
-     */
-    private static function get_sql_log_html(object $db_obj, string $log_name): string
-    {
-        $log = '';
-
-        foreach ($db_obj->dbg as $i => $dbg) {
-            $id = "sql_{$i}_" . random_int(0, mt_getrandmax());
-            $sql = self::short_query($dbg['sql'], true);
-            $time = sprintf('%.4f', $dbg['time']);
-            $perc = '[' . round($dbg['time'] * 100 / $db_obj->sql_timetotal) . '%]';
-            $info = !empty($dbg['info']) ? $dbg['info'] . ' [' . $dbg['src'] . ']' : $dbg['src'];
-
-            $log .= ''
-                . '<div onmouseout="$(this).removeClass(\'sqlHover\');" onmouseover="$(this).addClass(\'sqlHover\');" onclick="$(this).toggleClass(\'sqlHighlight\');" class="sqlLogRow" title="' . $info . '">'
-                . '<span style="letter-spacing: -1px;">' . $time . ' </span>'
-                . '<span class="copyElement" data-clipboard-target="#' . $id . '" title="Copy to clipboard" style="color: gray; letter-spacing: -1px;">' . $perc . '</span>'
-                . ' '
-                . '<span style="letter-spacing: 0;" id="' . $id . '">' . $sql . '</span>'
-                . '<span style="color: gray"> # ' . $info . ' </span>'
-                . '</div>'
-                . "\n";
-        }
-        return '
-		<div class="sqlLogTitle">' . $log_name . '</div>
-		' . $log . '
-	';
-    }
 }
diff --git a/src/Legacy/Cache/APCu.php b/src/Legacy/Cache/APCu.php
index a7a242fd1..7678629ab 100644
--- a/src/Legacy/Cache/APCu.php
+++ b/src/Legacy/Cache/APCu.php
@@ -23,12 +23,14 @@ class APCu extends Common
 
     public function __construct($prefix = null)
     {
+        global $debug;
+
         if (!$this->is_installed()) {
             die("Error: $this->engine extension not installed");
         }
 
         $this->prefix = $prefix;
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function get($name, $get_miss_key_callback = '', $ttl = 0)
diff --git a/src/Legacy/Cache/Common.php b/src/Legacy/Cache/Common.php
index 53bbf54ba..a9b473542 100644
--- a/src/Legacy/Cache/Common.php
+++ b/src/Legacy/Cache/Common.php
@@ -59,6 +59,8 @@ class Common
 
     public function debug($mode, $cur_query = null)
     {
+        global $debug;
+
         if (!$this->dbg_enabled) {
             return;
         }
@@ -69,7 +71,7 @@ class Common
         switch ($mode) {
             case 'start':
                 $this->sql_starttime = utime();
-                $dbg['sql'] = Dev::short_query($cur_query ?? $this->cur_query);
+                $dbg['sql'] = $debug->shortQuery($cur_query ?? $this->cur_query);
                 $dbg['src'] = $this->debug_find_source();
                 $dbg['file'] = $this->debug_find_source('file');
                 $dbg['line'] = $this->debug_find_source('line');
diff --git a/src/Legacy/Cache/File.php b/src/Legacy/Cache/File.php
index 20cff706f..81ed8cde0 100644
--- a/src/Legacy/Cache/File.php
+++ b/src/Legacy/Cache/File.php
@@ -24,9 +24,11 @@ class File extends Common
 
     public function __construct($dir, $prefix = null)
     {
+        global $debug;
+
         $this->dir = $dir;
         $this->prefix = $prefix;
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function get($name, $get_miss_key_callback = '', $ttl = 0)
diff --git a/src/Legacy/Cache/Memcache.php b/src/Legacy/Cache/Memcache.php
index 8f37670d6..816c683dd 100644
--- a/src/Legacy/Cache/Memcache.php
+++ b/src/Legacy/Cache/Memcache.php
@@ -26,6 +26,8 @@ class Memcache extends Common
 
     public function __construct($cfg, $prefix = null)
     {
+        global $debug;
+
         if (!$this->is_installed()) {
             die("Error: $this->engine extension not installed");
         }
@@ -33,7 +35,7 @@ class Memcache extends Common
         $this->cfg = $cfg;
         $this->prefix = $prefix;
         $this->memcache = new \Memcache();
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function connect()
diff --git a/src/Legacy/Cache/Redis.php b/src/Legacy/Cache/Redis.php
index 969581517..e93eb7cfe 100644
--- a/src/Legacy/Cache/Redis.php
+++ b/src/Legacy/Cache/Redis.php
@@ -26,6 +26,8 @@ class Redis extends Common
 
     public function __construct($cfg, $prefix = null)
     {
+        global $debug;
+
         if (!$this->is_installed()) {
             die("Error: $this->engine extension not installed");
         }
@@ -33,7 +35,7 @@ class Redis extends Common
         $this->cfg = $cfg;
         $this->prefix = $prefix;
         $this->redis = new \Redis();
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function connect()
diff --git a/src/Legacy/Cache/SqliteCommon.php b/src/Legacy/Cache/SqliteCommon.php
index 7e99dcce9..a7e3cb37d 100644
--- a/src/Legacy/Cache/SqliteCommon.php
+++ b/src/Legacy/Cache/SqliteCommon.php
@@ -37,8 +37,10 @@ class SqliteCommon extends Common
 
     public function __construct($cfg)
     {
+        global $debug;
+
         $this->cfg = array_merge($this->cfg, $cfg);
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function connect()
diff --git a/src/Legacy/Datastore/APCu.php b/src/Legacy/Datastore/APCu.php
index 06056e13e..61f1ca279 100644
--- a/src/Legacy/Datastore/APCu.php
+++ b/src/Legacy/Datastore/APCu.php
@@ -17,17 +17,19 @@ use TorrentPier\Dev;
  */
 class APCu extends Common
 {
-    public $prefix;
-    public $engine = 'APCu';
+    public string $prefix;
+    public string $engine = 'APCu';
 
     public function __construct($prefix = null)
     {
+        global $debug;
+
         if (!$this->is_installed()) {
             die("Error: $this->engine extension not installed");
         }
 
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
         $this->prefix = $prefix;
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function store($title, $var)
diff --git a/src/Legacy/Datastore/Common.php b/src/Legacy/Datastore/Common.php
index f81467661..7774f27d0 100644
--- a/src/Legacy/Datastore/Common.php
+++ b/src/Legacy/Datastore/Common.php
@@ -139,6 +139,8 @@ class Common
 
     public function debug($mode, $cur_query = null)
     {
+        global $debug;
+
         if (!$this->dbg_enabled) {
             return;
         }
@@ -149,7 +151,7 @@ class Common
         switch ($mode) {
             case 'start':
                 $this->sql_starttime = utime();
-                $dbg['sql'] = Dev::short_query($cur_query ?? $this->cur_query);
+                $dbg['sql'] = $debug->shortQuery($cur_query ?? $this->cur_query);
                 $dbg['src'] = $this->debug_find_source();
                 $dbg['file'] = $this->debug_find_source('file');
                 $dbg['line'] = $this->debug_find_source('line');
diff --git a/src/Legacy/Datastore/File.php b/src/Legacy/Datastore/File.php
index 241892dcd..d27667c6b 100644
--- a/src/Legacy/Datastore/File.php
+++ b/src/Legacy/Datastore/File.php
@@ -23,9 +23,11 @@ class File extends Common
 
     public function __construct($dir, $prefix = null)
     {
+        global $debug;
+
         $this->prefix = $prefix;
         $this->dir = $dir;
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function store($title, $var)
diff --git a/src/Legacy/Datastore/Memcache.php b/src/Legacy/Datastore/Memcache.php
index 37051b5fc..2203a8f69 100644
--- a/src/Legacy/Datastore/Memcache.php
+++ b/src/Legacy/Datastore/Memcache.php
@@ -25,6 +25,8 @@ class Memcache extends Common
 
     public function __construct($cfg, $prefix = null)
     {
+        global $debug;
+
         if (!$this->is_installed()) {
             die("Error: $this->engine extension not installed");
         }
@@ -32,7 +34,7 @@ class Memcache extends Common
         $this->cfg = $cfg;
         $this->prefix = $prefix;
         $this->memcache = new \Memcache();
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function connect()
diff --git a/src/Legacy/Datastore/Redis.php b/src/Legacy/Datastore/Redis.php
index 7a7e34465..8a7175bd9 100644
--- a/src/Legacy/Datastore/Redis.php
+++ b/src/Legacy/Datastore/Redis.php
@@ -25,13 +25,15 @@ class Redis extends Common
 
     public function __construct($cfg, $prefix = null)
     {
+        global $debug;
+
         if (!$this->is_installed()) {
             die("Error: $this->engine extension not installed");
         }
 
         $this->cfg = $cfg;
         $this->redis = new \Redis();
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
         $this->prefix = $prefix;
     }
 
diff --git a/src/Legacy/Datastore/SqliteCommon.php b/src/Legacy/Datastore/SqliteCommon.php
index 69f2a7d32..2acbfe399 100644
--- a/src/Legacy/Datastore/SqliteCommon.php
+++ b/src/Legacy/Datastore/SqliteCommon.php
@@ -37,8 +37,10 @@ class SqliteCommon extends Common
 
     public function __construct($cfg)
     {
+        global $debug;
+
         $this->cfg = array_merge($this->cfg, $cfg);
-        $this->dbg_enabled = Dev::sql_dbg_enabled();
+        $this->dbg_enabled = $debug->sqlDebugAllowed();
     }
 
     public function connect()
diff --git a/src/Legacy/SqlDb.php b/src/Legacy/SqlDb.php
index 8c1835438..93a69c60f 100644
--- a/src/Legacy/SqlDb.php
+++ b/src/Legacy/SqlDb.php
@@ -57,10 +57,10 @@ class SqlDb
      */
     public function __construct($cfg_values)
     {
-        global $DBS;
+        global $DBS, $debug;
 
         $this->cfg = array_combine($this->cfg_keys, $cfg_values);
-        $this->dbg_enabled = (Dev::sql_dbg_enabled() || !empty($_COOKIE['explain']));
+        $this->dbg_enabled = ($debug->sqlDebugAllowed() || !empty($_COOKIE['explain']));
         $this->do_explain = ($this->dbg_enabled && !empty($_COOKIE['explain']));
         $this->slow_time = SQL_SLOW_QUERY_TIME;
 
@@ -886,6 +886,8 @@ class SqlDb
      */
     public function log_query($log_file = 'sql_queries')
     {
+        global $debug;
+
         $q_time = ($this->cur_query_time >= 10) ? round($this->cur_query_time, 0) : sprintf('%.4f', $this->cur_query_time);
         $msg = [];
         $msg[] = round($this->sql_starttime);
@@ -893,7 +895,7 @@ class SqlDb
         $msg[] = sprintf('%-6s', $q_time);
         $msg[] = sprintf('%05d', getmypid());
         $msg[] = $this->db_server;
-        $msg[] = Dev::short_query($this->cur_query);
+        $msg[] = $debug->shortQuery($this->cur_query);
         $msg = implode(LOG_SEPR, $msg);
         $msg .= ($info = $this->query_info()) ? ' # ' . $info : '';
         $msg .= ' # ' . $this->debug_find_source() . ' ';
@@ -951,12 +953,14 @@ class SqlDb
      *
      * @param $mode
      * @param string $html_table
-     * @param string $row
+     * @param array $row
      *
      * @return bool|string
      */
-    public function explain($mode, $html_table = '', $row = '')
+    public function explain($mode, $html_table = '', array $row = [])
     {
+        global $debug;
+
         $query = str_compact($this->cur_query);
         // remove comments
         $query = preg_replace('#(\s*)(/\*)(.*)(\*/)(\s*)#', '', $query);
@@ -975,7 +979,7 @@ class SqlDb
                     $html_table = false;
 
                     if ($result = mysqli_query($this->link, "EXPLAIN $query")) {
-                        while ($row = mysqli_fetch_assoc($result)) {
+                        while ($row = $this->sql_fetchrow($result)) {
                             $html_table = $this->explain('add_explain_row', $html_table, $row);
                         }
                     }
@@ -1002,7 +1006,7 @@ class SqlDb
 				</tr>
 				<tr><td colspan="2">' . $this->explain_hold . '</td></tr>
 				</table>
-				<div class="sqlLog"><div id="' . $htid . '" class="sqlLogRow sqlExplain" style="padding: 0;">' . Dev::short_query($dbg['sql'], true) . '&nbsp;&nbsp;</div></div>
+				<div class="sqlLog"><div id="' . $htid . '" class="sqlLogRow sqlExplain" style="padding: 0;">' . $debug->shortQuery($dbg['sql'], true) . '&nbsp;&nbsp;</div></div>
 				<br />';
                 break;
 
@@ -1024,8 +1028,6 @@ class SqlDb
 
                 return $html_table;
 
-                break;
-
             case 'display':
                 echo '<a name="explain"></a><div class="med">' . $this->explain_out . '</div>';
                 break;
diff --git a/styles/templates/default/page_header.tpl b/styles/templates/default/page_header.tpl
index 1837be317..9a7febee5 100644
--- a/styles/templates/default/page_header.tpl
+++ b/styles/templates/default/page_header.tpl
@@ -3,6 +3,7 @@
 <head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=Edge">
+<meta name="viewport" content="initial-scale=1.0">
 <title><!-- IF HAVE_NEW_PM -->({HAVE_NEW_PM}) <!-- ENDIF --><!-- IF PAGE_TITLE -->{PAGE_TITLE} :: {SITENAME}<!-- ELSE -->{SITENAME}<!-- ENDIF --></title>
 <meta name="application-name" content="{SITENAME}"/>
 <meta property="og:site_name" content="{SITENAME}">