diff --git a/_diag_licenses.php b/_diag_licenses.php
deleted file mode 100644
index d8f6d90..0000000
--- a/_diag_licenses.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-error_reporting(E_ALL);
-ini_set('display_errors', 1);
-
-chdir(__DIR__ . '/admin');
-
-require_once '../config.php';
-require_once '../libraries/medoo/medoo.php';
-require_once '../libraries/grid/config.php';
-
-$mdb = new medoo([
-  'database_type' => 'mysql',
-  'database_name' => $database['name'],
-  'server'        => $database['host'],
-  'username'      => $database['user'],
-  'password'      => $database['password'],
-  'charset'       => 'utf8'
-]);
-
-spl_autoload_register(function($classname) {
-  $q = explode('\\', $classname);
-  $c = array_pop($q);
-  $f = '../autoload/' . implode('/', $q) . '/class.' . $c . '.php';
-  if (file_exists($f)) { require_once($f); return; }
-  $f = '../autoload/' . implode('/', $q) . '/' . $c . '.php';
-  if (file_exists($f)) require_once($f);
-});
-
-// Render view (exactly like admin does)
-$html = \admin\view\Releases::main_view();
-
-// Find licenses table section in rendered HTML
-$start = strpos($html, 'tab-licenses');
-$end   = strpos($html, '</table>', $start) + 8;
-$section = substr($html, $start - 50, $end - $start + 50 + 100);
-
-header('Content-Type: text/plain');
-echo "=== FULL HTML SIZE: " . strlen($html) . " bytes ===\n\n";
-echo "=== LICENSES SECTION ===\n";
-echo $section . "\n\n";
-
-// Count <tr> in licenses part
-$lic_start = strpos($html, 'id="tab-licenses"');
-$lic_end   = strpos($html, '</div>', $lic_start + 100);
-$lic_html  = substr($html, $lic_start, $lic_end - $lic_start);
-$tr_count = substr_count($lic_html, '<tr>');
-echo "=== TR COUNT in #tab-licenses: $tr_count ===\n";
-echo "=== TAB-LICENSES SNIPPET (first 500 chars) ===\n";
-echo substr($lic_html, 0, 500) . "\n";
diff --git a/admin/templates/releases/main-view.php b/admin/templates/releases/main-view.php
index 27de6e6..fe29d08 100644
--- a/admin/templates/releases/main-view.php
+++ b/admin/templates/releases/main-view.php
@@ -26,6 +26,14 @@ ob_start();
 
 <!-- TAB: Wersje -->
 <div class="releases-tab-pane active" id="tab-versions">
+  <div style="margin-bottom: 12px;">
+    <form method="post" action="/admin/releases/discover_versions/" style="display:inline"
+      onsubmit="return confirm('Wykryć wersje z dysku i zarejestrować jako stable?')">
+      <button type="submit" class="btn btn-info btn-sm">
+        <i class="fa fa-search"></i> Wykryj wersje z dysku
+      </button>
+    </form>
+  </div>
   <table class="table table-bordered table-striped table-hover table-condensed">
     <thead>
       <tr>
@@ -298,6 +306,7 @@ $grid->gdb_opt           = $gdb;
 $grid->include_plugins   = true;
 $grid->title             = 'Releases &amp; Licencje';
 $grid->default_buttons   = false;
+$grid->form              = false;
 $grid->external_code     = $out;
 echo $grid->draw();
 ?>
diff --git a/autoload/Shared/Tpl/Tpl.php b/autoload/Shared/Tpl/Tpl.php
index 9d5109d..fca6415 100644
--- a/autoload/Shared/Tpl/Tpl.php
+++ b/autoload/Shared/Tpl/Tpl.php
@@ -68,6 +68,11 @@ class Tpl
     $this->vars[ $name ] = $value;
   }
 
+  public function __isset( $name )
+  {
+    return isset( $this->vars[ $name ] );
+  }
+
   public function __get( $name )
   {
     return $this->vars[ $name ];
diff --git a/autoload/admin/controls/class.Releases.php b/autoload/admin/controls/class.Releases.php
index 7bda90e..46460f1 100644
--- a/autoload/admin/controls/class.Releases.php
+++ b/autoload/admin/controls/class.Releases.php
@@ -26,11 +26,19 @@ class Releases
     exit;
   }
 
+  public static function discover_versions(): void
+  {
+    $added = \admin\factory\Releases::discover_versions();
+    \S::set_message("Wykryto i dodano {$added} nowych wersji jako stable.");
+    header('Location: /admin/releases/main_view/');
+    exit;
+  }
+
   public static function save_license(): void
   {
     \admin\factory\Releases::save_license($_POST);
     \S::set_message('Licencja została zapisana.');
-    header('Location: /admin/releases/main_view/');
+    header('Location: /admin/releases/main_view/#licenses');
     exit;
   }
 
@@ -39,7 +47,7 @@ class Releases
     $id = (int)\S::get('id');
     if ($id)
       \admin\factory\Releases::delete_license($id);
-    header('Location: /admin/releases/main_view/');
+    header('Location: /admin/releases/main_view/#licenses');
     exit;
   }
 
@@ -48,7 +56,7 @@ class Releases
     $id = (int)\S::get('id');
     if ($id)
       \admin\factory\Releases::toggle_beta($id);
-    header('Location: /admin/releases/main_view/');
+    header('Location: /admin/releases/main_view/#licenses');
     exit;
   }
 }
diff --git a/autoload/admin/factory/class.Releases.php b/autoload/admin/factory/class.Releases.php
index 84dd6f2..950c473 100644
--- a/autoload/admin/factory/class.Releases.php
+++ b/autoload/admin/factory/class.Releases.php
@@ -31,6 +31,28 @@ class Releases
     );
   }
 
+  public static function discover_versions(): int
+  {
+    global $mdb;
+    $known = array_flip($mdb->select('pp_update_versions', 'version', []) ?: []);
+    $zips  = glob('../updates/*/ver_*.zip') ?: [];
+    $added = 0;
+    foreach ($zips as $path) {
+      preg_match('/ver_([0-9.]+)\.zip$/', $path, $m);
+      if (!$m) continue;
+      $ver = $m[1];
+      if (isset($known[$ver])) continue;
+      $mdb->insert('pp_update_versions', [
+        'version'    => $ver,
+        'channel'    => 'beta',
+        'created_at' => date('Y-m-d H:i:s'),
+      ]);
+      $known[$ver] = true;
+      $added++;
+    }
+    return $added;
+  }
+
   public static function get_licenses(): array
   {
     global $mdb;