Fixes: Deprecated in PHP 8.4: Parameter #2 $extension (string) is implicitly nullable via default value null.

Author: magicsunday

Classes/OptimizeImageService.php

@@ -39,7 +39,7 @@ public function __construct()
      */
     public function process(
         string $file,
-        string $extension = null,
+        ?string $extension = null,
         bool $fileIsUploaded = false,
         bool $testMode = false
     ): bool {