Options array doesnt pass 'autoScriptToLang', 'autoLangToFont' and possibly 'useAdobeCJK'

[RGinguls]

This in web.php config file under 'compenets'

   'pdf' => [
        'class' => Pdf::classname(),
        'mode' => Pdf::MODE_UTF8,
        'format' => Pdf::FORMAT_A4,
        'orientation' => Pdf::ORIENT_PORTRAIT,
        'destination' => Pdf::DEST_STRING,
        'cssFile' => '@vendor/kartik-v/yii2-mpdf/assets/kv-mpdf-bootstrap.min.css',
        'options' =>[
            'autoScriptToLang' => true,
            'autoLangToFont' => true,
            'useAdobeCJK' => true,
        ]
  ]

didnt work, had to

    $pdf = Yii::$app->pdf;
    $mpdf = $pdf->api;
    $mpdf->autoScriptToLang = true;
    $mpdf->autoLangToFont = true;
    $mpdf->useAdobeCJK = true;

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