diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0132916..5ec2adb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         php_version: ["7.4", "8.0", "8.1"]
-        drupal_version: ["9"]
+        drupal_version: ["9", "10"]
         exclude:
           - php_version: "7.4"
             drupal_version: "10"
diff --git a/.gitignore b/.gitignore
index 50dd546..102fcde 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,5 +5,8 @@ composer.lock
 reports
 vendor
 drush
+/drupal
 
 .phpunit.result.cache
+/.editorconfig
+/.gitattributes
diff --git a/composer.json b/composer.json
index 21d2e23..e2f660b 100644
--- a/composer.json
+++ b/composer.json
@@ -15,16 +15,26 @@
     "php": ">=7.4",
     "symfony/process": "~2.5|~3.0|~4.4|^6",
     "symfony/dependency-injection": "~2.6|~3.0|~4.4|^6",
-    "drupal/core-utility": "^8.4 || ^9 || ^10.0.0-alpha1"
+    "drupal/core-utility": "^8.4 || ^9 || ^10@beta"
   },
   "require-dev": {
+    "composer/installers": "^2.1",
     "drupal/coder": "~8.3.0",
     "phpspec/phpspec": "~2.0 || ~4.0 || ~6.1 || dev-main",
     "phpunit/phpunit": "~6.0 || ~7.0 || ^9",
-    "mockery/mockery": "^0.9.4",
+    "mockery/mockery": "^1.5",
+    "drupal/core-composer-scaffold": "^8.4 || ^9 || ^10@beta",
+    "drupal/core-recommended": "^8.4 || ^9 || ^10@beta",
+    "drupal/mailsystem": "^4.4",
     "drush-ops/behat-drush-endpoint": "*",
     "php-parallel-lint/php-parallel-lint": "^1.0",
-    "dms/phpunit-arraysubset-asserts": "^0.4.0"
+    "dms/phpunit-arraysubset-asserts": "^0.4.0",
+    "mglaman/drupal-check": "^1",
+    "palantirnet/drupal-rector": "^0.13",
+    "symfony/phpunit-bridge": "^6.1"
+  },
+  "conflict": {
+    "drupal/core": ">=8.0 <9.3"
   },
   "scripts": {
     "test": [
@@ -32,8 +42,11 @@
       "parallel-lint src spec tests",
       "phpunit",
       "phpspec run -f pretty --no-interaction",
-      "phpcs --standard=./phpcs-ruleset.xml ."
-
+      "phpcs --standard=./phpcs-ruleset.xml .",
+      "./vendor/bin/drupal-check --drupal-root=drupal ./src/Drupal/Driver/Cores/Drupal8.php ./src/Drupal/Driver/Fields/Drupal8",
+      "cp ./vendor/palantirnet/drupal-rector/rector.php drupal/.",
+      "cd drupal && ../vendor/bin/rector process ../src/Drupal/Driver/Cores/Drupal8.php --dry-run",
+      "cd drupal && ../vendor/bin/rector process ../src/Drupal/Driver/Fields/Drupal8 --dry-run"
     ]
   },
   "autoload": {
@@ -42,14 +55,37 @@
       "Drupal\\Tests\\Driver" : "tests/"
     }
   },
+  "repositories": {
+    "drupal": {
+      "type": "composer",
+      "url": "https://packages.drupal.org/8"
+    }
+  },
+  "prefer-stable": true,
+  "minimum-stability": "beta",
   "extra": {
     "branch-alias": {
       "dev-master": "2.3.x-dev"
+    },
+    "installer-paths": {
+      "drupal/core": [
+        "type:drupal-core"
+      ],
+      "drupal/modules/{$name}": [
+        "type:drupal-module"
+      ]
+    },
+    "drupal-scaffold": {
+      "locations": {
+        "web-root": "drupal/"
+      }
     }
   },
   "config": {
     "allow-plugins": {
-      "dealerdirect/phpcodesniffer-composer-installer": true
+      "dealerdirect/phpcodesniffer-composer-installer": true,
+      "drupal/core-composer-scaffold": true,
+      "composer/installers": true
     }
   }
 }
diff --git a/phpcs-ruleset.xml b/phpcs-ruleset.xml
index 97abe68..f87e72f 100644
--- a/phpcs-ruleset.xml
+++ b/phpcs-ruleset.xml
@@ -24,5 +24,6 @@
     <exclude-pattern>*/vendor/*</exclude-pattern>
     <exclude-pattern>*/CHANGELOG.md</exclude-pattern>
     <exclude-pattern>*/README.md</exclude-pattern>
+    <exclude-pattern>./drupal/*</exclude-pattern>
 
 </ruleset>
diff --git a/src/Drupal/Driver/Cores/Drupal7.php b/src/Drupal/Driver/Cores/Drupal7.php
index 7c8d133..4736104 100644
--- a/src/Drupal/Driver/Cores/Drupal7.php
+++ b/src/Drupal/Driver/Cores/Drupal7.php
@@ -346,7 +346,7 @@ public function languageCreate(\stdClass $language) {
 
     // If the language code is not valid then throw an InvalidArgumentException.
     if (!isset($predefined_languages[$language->langcode])) {
-      throw new InvalidArgumentException("There is no predefined language with langcode '{$language->langcode}'.");
+      throw new \InvalidArgumentException("There is no predefined language with langcode '{$language->langcode}'.");
     }
 
     // Enable a language only if it has not been enabled already.
diff --git a/src/Drupal/Driver/Cores/Drupal8.php b/src/Drupal/Driver/Cores/Drupal8.php
index 05d6e19..a681767 100644
--- a/src/Drupal/Driver/Cores/Drupal8.php
+++ b/src/Drupal/Driver/Cores/Drupal8.php
@@ -4,6 +4,7 @@
 
 use Drupal\Core\DrupalKernel;
 use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\Core\Routing\RouteObjectInterface;
 use Drupal\Driver\Exception\BootstrapException;
 use Drupal\field\Entity\FieldStorageConfig;
 use Drupal\language\Entity\ConfigurableLanguage;
@@ -77,6 +78,7 @@ public function clearCache() {
    */
   public function nodeCreate($node) {
     // Throw an exception if the node type is missing or does not exist.
+    /** @var \Drupal\node\Entity\Node $node */
     if (!isset($node->type) || !$node->type) {
       throw new \Exception("Cannot create content because it is missing the required property 'type'.");
     }
@@ -85,11 +87,12 @@ public function nodeCreate($node) {
     $bundle_info = \Drupal::service('entity_type.bundle.info');
     $bundles = $bundle_info->getBundleInfo('node');
     if (!in_array($node->type, array_keys($bundles))) {
-      throw new \Exception("Cannot create content because provided content type '$node->type' does not exist.");
+      throw new \Exception(sprintf('Cannot create content because provided content type %s does not exist.', $node->type));
     }
     // If 'author' is set, remap it to 'uid'.
     if (isset($node->author)) {
       $user = user_load_by_name($node->author);
+      /** @var \Drupal\user\Entity\User $user */
       if ($user) {
         $node->uid = $user->id();
       }
@@ -331,8 +334,13 @@ public function termCreate(\stdClass $term) {
     $term->vid = $term->vocabulary_machine_name;
 
     if (isset($term->parent)) {
-      $parent = \taxonomy_term_load_multiple_by_name($term->parent, $term->vocabulary_machine_name);
+      $query = \Drupal::entityQuery('taxonomy_term')
+        ->accessCheck(FALSE)
+        ->condition('id', $term->parent)
+        ->condition('vid', $term->vocabulary_machine_name);
+      $parent = $query->execute();
       if (!empty($parent)) {
+        /** @var \Drupal\taxonomy\Entity\Term $parent */
         $parent = reset($parent);
         $term->parent = $parent->id();
       }
@@ -382,12 +390,12 @@ public function getExtensionPathList() {
    *
    * @param string $entity_type
    *   The entity type for which to return the field types.
-   * @param object $entity
+   * @param \StdClass $entity
    *   Entity object.
    * @param array $base_fields
    *   Base fields to be expanded in addition to user defined fields.
    */
-  public function expandEntityBaseFields($entity_type, \stdClass $entity, array $base_fields) {
+  public function expandEntityBaseFields($entity_type, \StdClass $entity, array $base_fields) {
     $this->expandEntityFields($entity_type, $entity, $base_fields);
   }
 
@@ -438,7 +446,7 @@ public function languageCreate(\stdClass $language) {
     if (!ConfigurableLanguage::load($langcode)) {
       $created_language = ConfigurableLanguage::createFromLangcode($language->langcode);
       if (!$created_language) {
-        throw new InvalidArgumentException("There is no predefined language with langcode '{$langcode}'.");
+        throw new \InvalidArgumentException("There is no predefined language with langcode '{$langcode}'.");
       }
       $created_language->save();
       return $language;
diff --git a/src/Drupal/Driver/DrushDriver.php b/src/Drupal/Driver/DrushDriver.php
index 2086e8a..bc50179 100644
--- a/src/Drupal/Driver/DrushDriver.php
+++ b/src/Drupal/Driver/DrushDriver.php
@@ -414,7 +414,7 @@ public function drush($command, array $arguments = [], array $options = []) {
     // Add any global arguments.
     $global = $this->getArguments();
 
-    $process = new Process("{$this->binary} {$alias} {$string_options} {$global} {$command} {$arguments}");
+    $process = Process::fromShellCommandline("{$this->binary} {$alias} {$string_options} {$global} {$command} {$arguments}");
     $process->setTimeout(3600);
     $process->run();
 
diff --git a/src/Drupal/Driver/Fields/Drupal8/AbstractHandler.php b/src/Drupal/Driver/Fields/Drupal8/AbstractHandler.php
index cda97d5..62bb0f3 100644
--- a/src/Drupal/Driver/Fields/Drupal8/AbstractHandler.php
+++ b/src/Drupal/Driver/Fields/Drupal8/AbstractHandler.php
@@ -25,7 +25,7 @@ abstract class AbstractHandler implements FieldHandlerInterface {
   /**
    * Constructs an AbstractHandler object.
    *
-   * @param object $entity
+   * @param \StdClass $entity
    *   The simulated entity object containing field information.
    * @param string $entity_type
    *   The entity type.
@@ -35,7 +35,7 @@ abstract class AbstractHandler implements FieldHandlerInterface {
    * @throws \Exception
    *   Thrown when the given field name does not exist on the entity.
    */
-  public function __construct(\stdClass $entity, $entity_type, $field_name) {
+  public function __construct(\StdClass $entity, $entity_type, $field_name) {
     if (empty($entity_type)) {
       throw new \Exception("You must specify an entity type in order to parse entity fields.");
     }
diff --git a/src/Drupal/Driver/Fields/Drupal8/ImageHandler.php b/src/Drupal/Driver/Fields/Drupal8/ImageHandler.php
index d042bfb..b314fcc 100644
--- a/src/Drupal/Driver/Fields/Drupal8/ImageHandler.php
+++ b/src/Drupal/Driver/Fields/Drupal8/ImageHandler.php
@@ -17,9 +17,7 @@ public function expand($values) {
     }
 
     /** @var \Drupal\file\FileInterface $file */
-    $file = file_save_data(
-      $data,
-      'public://' . uniqid() . '.jpg');
+    $file = \Drupal::service('file.repository')->writeData($data, 'public://' . uniqid() . '.jpg');
 
     if (FALSE === $file) {
       throw new \Exception("Error saving file");