Issue #3232420: Create a service which can recommend a target version of core

src/Form/UpdaterForm.php

@@ -91,11 +91,8 @@ class UpdaterForm extends FormBase {
     ];
 
     $recommender = new UpdateRecommender();
-    // Retrieve the project data for Drupal core, since we'll need it in order
-    // to build up the form.
-    $project = $recommender->getProjectInfo();
     try {
-      $recommended_release = $recommender->getRecommendedRelease($project);
+      $recommended_release = $recommender->getRecommendedRelease(TRUE);
     }
     catch (\RuntimeException $e) {
       $form['message'] = [
@@ -120,6 +117,7 @@ class UpdaterForm extends FormBase {
       ],
     ];
 
+    $project = $recommender->getProjectInfo();
     if (empty($project['title']) || empty($project['link'])) {
       throw new \UnexpectedValueException('Expected project data to have a title and link.');
     }