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EntityViewRector

Fixes deprecated entity_view() use

-$rendered = entity_view($entity, 'default');
+$rendered = \Drupal::entityTypeManager()->getViewBuilder($entity
+  ->getEntityTypeId())->view($entity, 'default');

Configure your rector.php:

<?php

use DrupalRector\Drupal8\Rector\Deprecation\EntityViewRector;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withRules([
        EntityViewRector::class,
    ]);