NewStaticToNewSelfRector

Change unsafe new static() to new self()

 final class SomeClass
 {
     public function build()
     {
-        return new static();
+        return new self();
     }
 }

Configure your rector.php:

<?php

use Rector\CodeQuality\Rector\New_\NewStaticToNewSelfRector;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withRules([
        NewStaticToNewSelfRector::class,
    ]);
SETS:  Code Quality