diff --git a/feeds.info.yml b/feeds.info.yml
index 8d3681b9..568134a7 100644
--- a/feeds.info.yml
+++ b/feeds.info.yml
@@ -4,3 +4,4 @@ package: Feeds
 type: module
 core_version_requirement: ^9.3 || ^10
 configure: entity.feeds_feed_type.collection
+php: 8.1
diff --git a/feeds.module b/feeds.module
index 487d14a2..3a17757f 100644
--- a/feeds.module
+++ b/feeds.module
@@ -7,6 +7,8 @@
 
 use Drupal\Component\Render\FormattableMarkup;
 use Drupal\Component\Utility\Xss;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Render\Element;
 use Drupal\Core\Routing\RouteMatchInterface;
@@ -267,3 +269,33 @@ function template_preprocess_feeds_feed(array &$variables) {
   // Add article ARIA role.
   $variables['attributes']['role'] = 'article';
 }
+
+/**
+ * Implements hook_entity_presave().
+ */
+function feeds_entity_presave(EntityInterface $entity) {
+  if ($entity instanceof FieldableEntityInterface && $entity->hasField('feeds_item')) {
+    /** @var \Drupal\feeds\FeedsItemInterface */
+    $feeds_item = $entity->get('feeds_item')->first();
+    if ($feeds_item) {
+      foreach ($feeds_item->getPreSaveOperations() as $callable) {
+        $callable($entity);
+      }
+    }
+  }
+}
+
+/**
+ * Implements hook_entity_postsave().
+ */
+function feeds_entity_postsave(EntityInterface $entity) {
+  if ($entity instanceof FieldableEntityInterface && $entity->hasField('feeds_item')) {
+    /** @var \Drupal\feeds\FeedsItemInterface */
+    $feeds_item = $entity->get('feeds_item')->first();
+    if ($feeds_item) {
+      foreach ($feeds_item->getPostSaveOperations() as $callable) {
+        $callable($entity);
+      }
+    }
+  }
+}
diff --git a/src/Feeds/Target/Changed.php b/src/Feeds/Target/Changed.php
new file mode 100644
index 00000000..3fcfd6d5
--- /dev/null
+++ b/src/Feeds/Target/Changed.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Drupal\feeds\Feeds\Target;
+
+use Drupal\Component\Datetime\DateTimePlus;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\feeds\FeedInterface;
+
+/**
+ * Defines a timestamp field mapper.
+ *
+ * @FeedsTarget(
+ *   id = "changed",
+ *   field_types = {
+ *     "changed",
+ *   }
+ * )
+ */
+class Changed extends DateTargetBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function prepareValue($delta, array &$values) {
+    $date = $this->convertToDate($values['value']);
+
+    if ($date instanceof DateTimePlus) {
+      $values['value'] = $date->getTimestamp();
+    }
+    else {
+      $values['value'] = REQUEST_TIME;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setTarget(FeedInterface $feed, EntityInterface $entity, $field_name, array $values) {
+    parent::setTarget($feed, $entity, $field_name, $values);
+
+    if ($values = $this->prepareValues($values)) {
+      $entity_target = $this->getEntityTarget($feed, $entity);
+      if (!empty($entity_target)) {
+
+        $closure = \Closure::fromCallable(function(EntityInterface $entity) use ($field_name, $values) {
+          $item_list = $entity->get($field_name);
+          $values = array_merge($item_list->getValue(), $values);
+          $item_list->setValue($values);
+        });
+
+        $entity_target->get('feeds_item')->first()->addPreSaveOperation($closure);
+      }
+    }
+  }
+}
diff --git a/src/FeedsItemInterface.php b/src/FeedsItemInterface.php
index 88d9f715..b2d9e02b 100644
--- a/src/FeedsItemInterface.php
+++ b/src/FeedsItemInterface.php
@@ -17,4 +17,36 @@ interface FeedsItemInterface extends FieldItemInterface {
    */
   public function getUrl();
 
+  /**
+   * Add a callable to be invoked during entity pre-save.
+   *
+   * @var Callable $c
+   *   The operation to be invoked.
+   */
+  public function addPreSaveOperation(Callable $c) ;
+
+  /**
+   * Add a callable to be invoked during entity post-save.
+   *
+   * @var Callable $c
+   *   The operation to be invoked.
+   */
+  public function addPostSaveOperation(Callable $c);
+
+  /**
+   * Retrieve all operations to be invoked during entity pre-save.
+   *
+   * @return Callable[]
+   *   Array of callables to be invoked.
+   */
+  public function getPreSaveOperations() : array;
+
+  /**
+   * Retrieve all operations to be invoked during entity post-save.
+   *
+   * @return Callable[]
+   *   Array of callables to be invoked.
+   */
+  public function getPostSaveOperations() : array;
+
 }
diff --git a/src/Plugin/Field/FieldType/FeedsItem.php b/src/Plugin/Field/FieldType/FeedsItem.php
index bd848d32..c9058b5c 100644
--- a/src/Plugin/Field/FieldType/FeedsItem.php
+++ b/src/Plugin/Field/FieldType/FeedsItem.php
@@ -25,6 +25,48 @@ use Drupal\feeds\FeedsItemInterface;
  */
 class FeedsItem extends EntityReferenceItem implements FeedsItemInterface {
 
+  /**
+   * Entity pre-save operations can be added as a callable.
+   *
+   * @var Callable[]
+   */
+  protected $preSave = [];
+
+  /**
+   * Entity post-save operations can be added as a callable.
+   *
+   * @var Callable[]
+   */
+  protected $postSave = [];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function addPreSaveOperation(Callable $c) {
+    $this->preSave[] = $c;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function addPostSaveOperation(Callable $c) {
+    $this->postSave[] = $c;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getPreSaveOperations() : array {
+    return $this->preSave;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getPostSaveOperations() : array {
+    return $this->postSave;
+  }
+
   /**
    * {@inheritdoc}
    */