diff --git a/phpBB/config/default/container/services_twig.yml b/phpBB/config/default/container/services_twig.yml
index e7a7155deb..c10dfc577c 100644
--- a/phpBB/config/default/container/services_twig.yml
+++ b/phpBB/config/default/container/services_twig.yml
@@ -40,6 +40,7 @@ services:
             - '@template_context'
             - '@template.twig.environment'
             - '@language'
+            - '@dispatcher'
         tags:
             - { name: twig.extension }
 
diff --git a/phpBB/phpbb/template/twig/extension.php b/phpBB/phpbb/template/twig/extension.php
index 982601e41b..9f2bfebb9f 100644
--- a/phpBB/phpbb/template/twig/extension.php
+++ b/phpBB/phpbb/template/twig/extension.php
@@ -28,18 +28,23 @@ class extension extends \Twig\Extension\AbstractExtension
 	/** @var \phpbb\language\language */
 	protected $language;
 
+	/** @var \phpbb\event\dispatcher_interface */
+	protected $phpbb_dispatcher;
+
 	/**
 	* Constructor
 	*
 	* @param \phpbb\template\context $context
 	* @param \phpbb\template\twig\environment $environment
 	* @param \phpbb\language\language $language
+	* @param \phpbb\event\dispatcher_interface $phpbb_dispatcher
 	*/
-	public function __construct(\phpbb\template\context $context, \phpbb\template\twig\environment $environment, $language)
+	public function __construct(\phpbb\template\context $context, \phpbb\template\twig\environment $environment, $language, \phpbb\event\dispatcher_interface $phpbb_dispatcher)
 	{
 		$this->context = $context;
 		$this->environment = $environment;
 		$this->language = $language;
+		$this->phpbb_dispatcher = $phpbb_dispatcher;
 	}
 
 	/**
@@ -64,7 +69,7 @@ class extension extends \Twig\Extension\AbstractExtension
 			new \phpbb\template\twig\tokenparser\includeparser,
 			new \phpbb\template\twig\tokenparser\includejs,
 			new \phpbb\template\twig\tokenparser\includecss,
-			new \phpbb\template\twig\tokenparser\event($this->environment),
+			new \phpbb\template\twig\tokenparser\event($this->environment, $this->phpbb_dispatcher),
 		);
 	}
 
diff --git a/phpBB/phpbb/template/twig/node/event.php b/phpBB/phpbb/template/twig/node/event.php
index 4eddcbcf38..6b77549b67 100644
--- a/phpBB/phpbb/template/twig/node/event.php
+++ b/phpBB/phpbb/template/twig/node/event.php
@@ -24,9 +24,13 @@ class event extends \Twig\Node\Node
 	/** @var \phpbb\template\twig\environment */
 	protected $environment;
 
-	public function __construct(\Twig\Node\Expression\AbstractExpression $expr, \phpbb\template\twig\environment $environment, $lineno, $tag = null)
+	/** @var array */
+	protected $template_event_priority_array;
+
+	public function __construct(\Twig\Node\Expression\AbstractExpression $expr, \phpbb\template\twig\environment $environment, $lineno, $tag = null, $template_event_priority_array = [])
 	{
 		$this->environment = $environment;
+		$this->template_event_priority_array = $template_event_priority_array;
 
 		parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
 	}
@@ -42,17 +46,26 @@ class event extends \Twig\Node\Node
 
 		$location = $this->listener_directory . $this->getNode('expr')->getAttribute('name');
 
+		$compiler_steps = [];
+
 		foreach ($this->environment->get_phpbb_extensions() as $ext_namespace => $ext_path)
 		{
 			$ext_namespace = str_replace('/', '_', $ext_namespace);
 
+			if (isset($this->template_event_priority_array[$ext_namespace][$location]))
+			{
+				$priority_key = $this->template_event_priority_array[$ext_namespace][$location];
+			}
+
+			$compiler_calls = [];
+
 			if ($this->environment->isDebug())
 			{
 				// If debug mode is enabled, lets check for new/removed EVENT
 				//  templates on page load rather than at compile. This is
 				//  slower, but makes developing extensions easier (no need to
 				//  purge the cache when a new event template file is added)
-				$compiler
+				$compiler_calls[] = fn() => $compiler
 					->write("if (\$this->env->getLoader()->exists('@{$ext_namespace}/{$location}.html')) {\n")
 					->indent()
 				;
@@ -60,7 +73,7 @@ class event extends \Twig\Node\Node
 
 			if ($this->environment->isDebug() || $this->environment->getLoader()->exists('@' . $ext_namespace . '/' . $location . '.html'))
 			{
-				$compiler
+				$compiler_calls[] = fn() => $compiler
 					->write("\$previous_look_up_order = \$this->env->getNamespaceLookUpOrder();\n")
 
 					// We set the namespace lookup order to be this extension first, then the main path
@@ -72,11 +85,39 @@ class event extends \Twig\Node\Node
 
 			if ($this->environment->isDebug())
 			{
-				$compiler
+				$compiler_calls[] = fn() => $compiler
 					->outdent()
 					->write("}\n\n")
 				;
 			}
+
+			if (!empty($compiler_calls))
+			{
+				if (isset($priority_key))
+				{
+					if (array_key_exists($priority_key, $compiler_steps))
+					{
+						array_splice($compiler_steps, $priority_key, 0, [$compiler_calls]);
+					}
+					else
+					{
+						$compiler_steps[$priority_key] = $compiler_calls;
+					}
+				}
+				else
+				{
+					array_unshift($compiler_steps, $compiler_calls);
+				}
+			}
+		}
+
+		krsort($compiler_steps);
+		foreach ($compiler_steps as $ext_namespace_steps)
+		{
+			foreach ($ext_namespace_steps as $step)
+			{
+				$step();
+			}
 		}
 	}
 }
diff --git a/phpBB/phpbb/template/twig/tokenparser/event.php b/phpBB/phpbb/template/twig/tokenparser/event.php
index 7b9742cc95..3dadc7e3b3 100644
--- a/phpBB/phpbb/template/twig/tokenparser/event.php
+++ b/phpBB/phpbb/template/twig/tokenparser/event.php
@@ -18,14 +18,38 @@ class event extends \Twig\TokenParser\AbstractTokenParser
 	/** @var \phpbb\template\twig\environment */
 	protected $environment;
 
+	/** @var \phpbb\event\dispatcher_interface */
+	protected $phpbb_dispatcher;
+
+	/** @var array */
+	protected $template_event_priority_array;
+
 	/**
 	* Constructor
 	*
 	* @param \phpbb\template\twig\environment $environment
 	*/
-	public function __construct(\phpbb\template\twig\environment $environment)
+	public function __construct(\phpbb\template\twig\environment $environment, \phpbb\event\dispatcher_interface $phpbb_dispatcher = null)
 	{
 		$this->environment = $environment;
+		$this->phpbb_dispatcher = $phpbb_dispatcher;
+
+		$template_event_priority_array = [];
+
+		/**
+		* Allow assigning priority to template events
+		*
+		* @event core.twig_tokenparser_constructor
+		* @var	array	template_event_priority_array	Array with template event priority assignments per extension namespace
+		* @since 3.3.12-RC1
+		*/
+		if ($this->phpbb_dispatcher)
+		{
+			$vars = array('template_event_priority_array');
+			extract($this->phpbb_dispatcher->trigger_event('core.twig_tokenparser_constructor', compact($vars)));
+		}
+
+		$this->template_event_priority_array = $template_event_priority_array;
 	}
 
 	/**
@@ -42,7 +66,7 @@ class event extends \Twig\TokenParser\AbstractTokenParser
 		$stream = $this->parser->getStream();
 		$stream->expect(\Twig\Token::BLOCK_END_TYPE);
 
-		return new \phpbb\template\twig\node\event($expr, $this->environment, $token->getLine(), $this->getTag());
+		return new \phpbb\template\twig\node\event($expr, $this->environment, $token->getLine(), $this->getTag(), $this->template_event_priority_array);
 	}
 
 	/**