diff --git a/app/Mage.php b/app/Mage.php
index 8bf1a5218a0..001766eae25 100644
--- a/app/Mage.php
+++ b/app/Mage.php
@@ -965,14 +965,8 @@ public static function getIsDeveloperMode()
      */
     public static function printException(Throwable $e, $extra = '')
     {
+        self::dispatchEvent('mage_print_exception_before', ['exception' => $e, 'extra' => $extra]);
         if (self::$_isDeveloperMode) {
-            if (class_exists('\Spatie\Ignition\Ignition')) {
-                \Spatie\Ignition\Ignition::make()
-                    ->applicationPath(Mage::getBaseDir())
-                    ->handleException($e);
-                die();
-            }
-
             print '<pre>';
             if (!empty($extra)) {
                 print $extra . "\n\n";
@@ -1003,6 +997,7 @@ public static function printException(Throwable $e, $extra = '')
 
             require_once(self::getBaseDir() . DS . 'errors' . DS . 'report.php');
         }
+        self::dispatchEvent('mage_print_exception_after', ['exception' => $e, 'extra' => $extra]);
 
         die();
     }
diff --git a/app/code/core/Mage/Core/Model/App.php b/app/code/core/Mage/Core/Model/App.php
index 94b4efea263..b9e95a02a9e 100644
--- a/app/code/core/Mage/Core/Model/App.php
+++ b/app/code/core/Mage/Core/Model/App.php
@@ -384,15 +384,10 @@ public function run($params)
      */
     protected function _initEnvironment()
     {
-        if (Mage::getIsDeveloperMode() && class_exists('\Spatie\Ignition\Ignition')) {
-            \Spatie\Ignition\Ignition::make()
-                ->applicationPath(Mage::getBaseDir())
-                ->register();
-        } else {
-            $this->setErrorHandler(self::DEFAULT_ERROR_HANDLER);
-        }
-
+        $this->setErrorHandler(self::DEFAULT_ERROR_HANDLER);
         date_default_timezone_set(Mage_Core_Model_Locale::DEFAULT_TIMEZONE);
+        Mage::dispatchEvent('core_app_init_environment_after', ['app' => $this]);
+
         return $this;
     }
 
diff --git a/docs/EVENTS.md b/docs/EVENTS.md
index 63f7aa8a314..fe6d5bad33b 100644
--- a/docs/EVENTS.md
+++ b/docs/EVENTS.md
@@ -193,6 +193,7 @@
 | controller_front_send_response_before | 1.9.4.5 |
 | controller_response_redirect | 1.9.4.5 |
 | core_app_run_after | 20.1.0 |
+| core_app_init_environment_after | 20.7.0 |
 | core_block_abstract_prepare_layout_after | 1.9.4.5 |
 | core_block_abstract_prepare_layout_before | 1.9.4.5 |
 | core_block_abstract_to_html_after | 1.9.4.5 |
@@ -237,6 +238,8 @@
 | log_visitor_collection_load_before | 1.9.4.5 |
 | mage_run_installed_exception | 20.7.0 |
 | mage_run_exception | 1.9.4.5 |
+| mage_print_exception_before | 20.7.0 |
+| mage_print_exception_after | 20.7.0 |
 | model_config_data_save_before | 1.9.4.5 |
 | model_delete_after | 1.9.4.5 |
 | model_delete_before | 1.9.4.5 |