diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a6091c73..3aa6d4796 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# v1.7.22
+## 09/16/2021
+
+1. [](#new)
+    * Register plugin autoloaders into plugin objects
+1. [](#bugfix)
+    * Fixed conflicting `$_original` variable in `Flex Pages`
+
 # v1.7.21
 ## 09/14/2021
 
diff --git a/system/defines.php b/system/defines.php
index 9ab384fab..b0211a7d2 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -9,7 +9,7 @@
 
 // Some standard defines
 define('GRAV', true);
-define('GRAV_VERSION', '1.7.21');
+define('GRAV_VERSION', '1.7.22');
 define('GRAV_SCHEMA', '1.7.0_2020-11-20_1');
 define('GRAV_TESTING', false);
 
diff --git a/system/src/Grav/Common/Flex/Types/Pages/PageObject.php b/system/src/Grav/Common/Flex/Types/Pages/PageObject.php
index 21a03d35f..5ad456b77 100644
--- a/system/src/Grav/Common/Flex/Types/Pages/PageObject.php
+++ b/system/src/Grav/Common/Flex/Types/Pages/PageObject.php
@@ -311,7 +311,7 @@ class PageObject extends FlexPageObject
         }
 
         // Reset original after save events have all been called.
-        $this->_original = null;
+        $this->_originalObject = null;
 
         return $instance;
     }
diff --git a/system/src/Grav/Common/Plugin.php b/system/src/Grav/Common/Plugin.php
index 65b11dba1..b32e39e6b 100644
--- a/system/src/Grav/Common/Plugin.php
+++ b/system/src/Grav/Common/Plugin.php
@@ -10,6 +10,7 @@
 namespace Grav\Common;
 
 use ArrayAccess;
+use Composer\Autoload\ClassLoader;
 use Grav\Common\Data\Blueprint;
 use Grav\Common\Data\Data;
 use Grav\Common\Page\Interfaces\PageInterface;
@@ -42,6 +43,8 @@ class Plugin implements EventSubscriberInterface, ArrayAccess
     protected $active = true;
     /** @var Blueprint|null */
     protected $blueprint;
+    /** @var ClassLoader|null */
+    protected $loader;
 
     /**
      * By default assign all methods as listeners using the default priority.
@@ -79,6 +82,24 @@ class Plugin implements EventSubscriberInterface, ArrayAccess
         }
     }
 
+    /**
+     * @return ClassLoader|null
+     * @internal
+     */
+    final public function getAutoloader(): ?ClassLoader
+    {
+        return $this->loader;
+    }
+
+    /**
+     * @param ClassLoader|null $loader
+     * @internal
+     */
+    final public function setAutoloader(?ClassLoader $loader): void
+    {
+        $this->loader = $loader;
+    }
+
     /**
      * @param Config $config
      * @return $this
diff --git a/system/src/Grav/Common/Plugins.php b/system/src/Grav/Common/Plugins.php
index f9fe32d7e..88b5e524e 100644
--- a/system/src/Grav/Common/Plugins.php
+++ b/system/src/Grav/Common/Plugins.php
@@ -143,7 +143,7 @@ class Plugins extends Iterator
                 $instance->setConfig($config);
                 // Register autoloader.
                 if (method_exists($instance, 'autoload')) {
-                    $instance->autoload();
+                    $instance->setAutoloader($instance->autoload());
                 }
                 // Register event listeners.
                 $events->addSubscriber($instance);
diff --git a/system/src/Grav/Framework/Flex/Pages/FlexPageObject.php b/system/src/Grav/Framework/Flex/Pages/FlexPageObject.php
index 621dae046..ebc26b45a 100644
--- a/system/src/Grav/Framework/Flex/Pages/FlexPageObject.php
+++ b/system/src/Grav/Framework/Flex/Pages/FlexPageObject.php
@@ -50,7 +50,7 @@ class FlexPageObject extends FlexObject implements PageInterface, FlexTranslateI
     /** @var array|null */
     protected $_reorder;
     /** @var FlexPageObject|null */
-    protected $_original;
+    protected $_originalObject;
 
     /**
      * Clone page.
@@ -264,7 +264,7 @@ class FlexPageObject extends FlexObject implements PageInterface, FlexTranslateI
      */
     public function getOriginal()
     {
-        return $this->_original;
+        return $this->_originalObject;
     }
 
     /**
@@ -276,8 +276,8 @@ class FlexPageObject extends FlexObject implements PageInterface, FlexTranslateI
      */
     public function storeOriginal(): void
     {
-        if (null === $this->_original) {
-            $this->_original = clone $this;
+        if (null === $this->_originalObject) {
+            $this->_originalObject = clone $this;
         }
     }