diff --git a/emhttp/languages/en_US/helptext.txt b/emhttp/languages/en_US/helptext.txt
index 08a4d856c9..40a1a93015 100644
--- a/emhttp/languages/en_US/helptext.txt
+++ b/emhttp/languages/en_US/helptext.txt
@@ -2155,8 +2155,19 @@ Click on the counters to either acknowledge or view the unread notifications.
 :end
 
 :notifications_display_position_help:
-Choose the position of where notifications appear on screen in *Detailed* view. Multiple notifications are stacked, bottom-to-top or
-top-to-bottom depending on the selected placement.
+Choose the position of where notification popups appear on screen.
+:end
+
+:notifications_stack_help:
+When enabled, multiple notifications are stacked to conserve screen space.
+:end
+
+:notifications_duration_help:
+Time in milliseconds before a notification automatically closes.
+:end
+
+:notifications_max_help:
+Maximum number of notifications shown on screen at once.
 :end
 
 :notifications_auto_close_help:
diff --git a/emhttp/plugins/dynamix/Notifications.page b/emhttp/plugins/dynamix/Notifications.page
index b6ffafba72..8d4aa24d97 100644
--- a/emhttp/plugins/dynamix/Notifications.page
+++ b/emhttp/plugins/dynamix/Notifications.page
@@ -112,17 +112,44 @@ $(function(){
 <input type="hidden" name="language_notify">
 <input type="hidden" name="report">
 
+_(Store notifications to flash)_:
+: <select name="path">
+  <?=mk_option($notify['path'], "/tmp/notifications", _("No"))?>
+  <?=mk_option($notify['path'], "/boot/config/plugins/dynamix/notifications", _("Yes"))?>
+  </select>
+
+:notifications_store_flash_help:
+
 _(Display position)_:
 : <select name="position">
   <?=mk_option($notify['position'], "top-left", _("top-left"))?>
   <?=mk_option($notify['position'], "top-right", _("top-right"))?>
   <?=mk_option($notify['position'], "bottom-left", _("bottom-left"))?>
   <?=mk_option($notify['position'], "bottom-right", _("bottom-right"))?>
-  <?=mk_option($notify['position'], "center", _("center"))?>
+  <?=mk_option($notify['position'], "bottom-center", _("bottom-center"))?>
+  <?=mk_option($notify['position'], "top-center", _("top-center"))?>
   </select>
 
 :notifications_display_position_help:
 
+_(Stack notification popups)_:
+: <select name="expand">
+  <?=mk_option($notify['expand'] ?? 'true', "true", _("Yes"))?>
+  <?=mk_option($notify['expand'] ?? 'true', "false", _("No"))?>
+  </select>
+
+:notifications_stack_help:
+
+_(Notification popup duration)_:
+: <input type="number" name="duration" value="<?=$notify['duration'] ?? 5000?>" min="1000" step="500">
+
+:notifications_duration_help:
+
+_(Max notification popups)_:
+: <input type="number" name="max" value="<?=$notify['max'] ?? 3?>" min="1" max="10">
+
+:notifications_max_help:
+
 _(Date format)_:
 : <select name="date">
   <?=mk_option($notify['date'], "d-m-Y", _("DD-MM-YYYY"))?>
@@ -140,14 +167,6 @@ _(Time format)_:
 
 :notifications_time_format_help:
 
-_(Store notifications to flash)_:
-: <select name="path">
-  <?=mk_option($notify['path'], "/tmp/notifications", _("No"))?>
-  <?=mk_option($notify['path'], "/boot/config/plugins/dynamix/notifications", _("Yes"))?>
-  </select>
-
-:notifications_store_flash_help:
-
 _(System notifications)_:
 : <select name="system" onchange="prepareSystem(this.selectedIndex)">
   <?=mk_option($notify['system'], "", _("Disabled"))?>
diff --git a/emhttp/plugins/dynamix/default.cfg b/emhttp/plugins/dynamix/default.cfg
index 81147abe5d..a555d54756 100644
--- a/emhttp/plugins/dynamix/default.cfg
+++ b/emhttp/plugins/dynamix/default.cfg
@@ -45,6 +45,9 @@ day="0"
 cron=""
 write="NOCORRECT"
 [notify]
+expand="true"
+duration="5000"
+max="3"
 date="d-m-Y"
 time="H:i"
 position="top-right"
diff --git a/emhttp/plugins/dynamix/include/Notify.php b/emhttp/plugins/dynamix/include/Notify.php
index e692b41b03..f4b51115b0 100644
--- a/emhttp/plugins/dynamix/include/Notify.php
+++ b/emhttp/plugins/dynamix/include/Notify.php
@@ -36,6 +36,10 @@
     case 'm':
       $notify .= " -{$option} ".escapeshellarg($value);
       break;
+    case 'u':
+      $notify .= " -{$option} ".escapeshellarg($value);
+      break;
+    
     case 'x':
     case 't':
       $notify .= " -{$option}";
diff --git a/emhttp/plugins/dynamix/include/Translations.php b/emhttp/plugins/dynamix/include/Translations.php
index c3bd47382d..5f6c8bb924 100644
--- a/emhttp/plugins/dynamix/include/Translations.php
+++ b/emhttp/plugins/dynamix/include/Translations.php
@@ -73,9 +73,9 @@ function parse_plugin($plugin) {
   global $docroot,$language,$locale;
   $plugin = strtolower($plugin);
   $text = "$docroot/languages/$locale/$plugin.txt";
-  if (file_exists($text)) {
+   if (file_exists($text)) {
     $store = "$docroot/languages/$locale/$plugin.dot";
-    if (!file_exists($store)) file_put_contents($store,serialize(parse_lang_file($text)));
+    clearstatcache(); if (!file_exists($store) || filemtime($text) > filemtime($store)) file_put_contents($store,serialize(parse_lang_file($text)));
     $language = array_merge($language,unserialize(file_get_contents($store)));
   }
 }
@@ -133,7 +133,7 @@ function translate($key) {
   if (file_exists($text)) {
     $store = "$docroot/languages/$locale/translations.dot";
     // global translations
-    if (!file_exists($store)) file_put_contents($store,serialize(parse_lang_file($text)));
+    clearstatcache(); if (!file_exists($store) || filemtime($text) > filemtime($store)) file_put_contents($store,serialize(parse_lang_file($text)));
     $language = unserialize(file_get_contents($store));
   }
   if (file_exists("$docroot/languages/$locale/helptext.txt")) {
@@ -163,7 +163,7 @@ function translate($key) {
   if (file_exists($text)) {
     // additional translations
     $store = "$docroot/languages/$locale/$more.dot";
-    if (!file_exists($store)) file_put_contents($store,serialize(parse_lang_file($text)));
+    clearstatcache(); if (!file_exists($store) || filemtime($text) > filemtime($store)) file_put_contents($store,serialize(parse_lang_file($text)));
     $language = array_merge($language,unserialize(file_get_contents($store)));
   }
 }
diff --git a/emhttp/plugins/dynamix/scripts/notify b/emhttp/plugins/dynamix/scripts/notify
index 1c4db802b5..e9db2df506 100755
--- a/emhttp/plugins/dynamix/scripts/notify
+++ b/emhttp/plugins/dynamix/scripts/notify
@@ -31,6 +31,7 @@ notify [-e "event"] [-s "subject"] [-d "description"] [-i "normal|warning|alert"
   use -r to specify recipients and not use default
   use -t to force send email only (for testing)
   use -b to NOT send a browser notification
+  use -u to specify a custom filename (API use only)
   all options are optional
 
 notify init
@@ -87,12 +88,13 @@ function generate_email($event, $subject, $description, $importance, $message, $
   return mail($to, $subj, implode("\n", $body), implode("\n", $headers));
 }
 
-function safe_filename($string) {
+function safe_filename($string, $maxLength=255) {
   $special_chars = ["?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}"];
   $string = trim(str_replace($special_chars, "", $string));
-  $string = preg_replace('~[^0-9a-z -_]~i', '', $string);
+  $string = preg_replace('~[^0-9a-z -_.]~i', '', $string);
   $string = preg_replace('~[- ]~i', '_', $string);
-  return trim($string);
+  // limit filename length to $maxLength characters
+  return substr(trim($string), 0, $maxLength);
 }
 
 /*
@@ -112,7 +114,7 @@ function ini_encode_value($value) {
   if (is_int($value) || is_float($value)) return $value;
   if (is_bool($value)) return $value ? 'true' : 'false';
   $value = (string)$value;
-  return '"'.strtr($value, ["\\"=>"\\\\", '"' => '\\"']).'"';
+  return '"'.strtr($value, ["\\" => "\\\\", '"' => '\\"']).'"';
 }
 
 function build_ini_string(array $data) {
@@ -135,6 +137,7 @@ function ini_decode_value($value) {
   return $value;
 }
 
+
 // start
 if ($argc == 1) exit(usage());
 
@@ -209,8 +212,9 @@ case 'add':
   $mailtest = false;
   $overrule = false;
   $noBrowser = false;
+  $customFilename = false;
 
-  $options = getopt("l:e:s:d:i:m:r:xtb");
+  $options = getopt("l:e:s:d:i:m:r:u:xtb");
   foreach ($options as $option => $value) {
     switch ($option) {
      case 'e':
@@ -246,11 +250,26 @@ case 'add':
       $link = $value;
       $fqdnlink = (strpos($link,"http") === 0) ? $link : ($nginx['NGINX_DEFAULTURL']??'').$link;
       break;
+     case 'u':
+      $customFilename = $value;
+      break;
     }
   }
 
-  $unread = "{$unread}/".safe_filename("{$event}-{$ticket}.notify");
-  $archive = "{$archive}/".safe_filename("{$event}-{$ticket}.notify");
+  if ($customFilename) {
+    $filename = safe_filename($customFilename);
+  } else {
+    // suffix length: _{timestamp}.notify = 1+10+7 = 18 chars.
+    $suffix = "_{$ticket}.notify";
+    $max_name_len = 255 - strlen($suffix);
+    // sanitize event, truncating it to leave room for suffix
+    $clean_name = safe_filename($event, $max_name_len);
+    // construct filename with suffix (underscore separator matches safe_filename behavior)
+    $filename = "{$clean_name}{$suffix}";
+  }
+
+  $unread = "{$unread}/{$filename}";
+  $archive = "{$archive}/{$filename}";
   if (file_exists($archive)) break;
   $entity = $overrule===false ? $notify[$importance] : $overrule;
   $cleanSubject = clean_subject($subject);
@@ -274,8 +293,8 @@ case 'add':
     ];
     file_put_contents($unread, build_ini_string($unreadData));
   }
-  if (($entity & 2)==2 || $mailtest) generate_email($event, $cleanSubject, str_replace('<br>','. ',$description), $importance, $message, $recipients, $fqdnlink);
-  if (($entity & 4)==4 && !$mailtest) { if (is_array($agents)) {foreach ($agents as $agent) {exec("TIMESTAMP='$timestamp' EVENT=".escapeshellarg($event)." SUBJECT=".escapeshellarg($cleanSubject)." DESCRIPTION=".escapeshellarg($description)." IMPORTANCE=".escapeshellarg($importance)." CONTENT=".escapeshellarg($message)." LINK=".escapeshellarg($fqdnlink)." bash ".$agent);};}};
+  if (($entity & 2)==2 || $mailtest) generate_email($event, clean_subject($subject), str_replace('<br>','. ',$description), $importance, $message, $recipients, $fqdnlink);
+  if (($entity & 4)==4 && !$mailtest) { if (is_array($agents)) {foreach ($agents as $agent) {exec("TIMESTAMP='$timestamp' EVENT=".escapeshellarg($event)." SUBJECT=".escapeshellarg(clean_subject($subject))." DESCRIPTION=".escapeshellarg($description)." IMPORTANCE=".escapeshellarg($importance)." CONTENT=".escapeshellarg($message)." LINK=".escapeshellarg($fqdnlink)." bash ".$agent);};}};
   break;
 
 case 'get':