diff --git a/phpBB/config/development/config.yml b/phpBB/config/development/config.yml
index f39eb52e73..1e144d68d6 100644
--- a/phpBB/config/development/config.yml
+++ b/phpBB/config/development/config.yml
@@ -11,3 +11,7 @@ core:
         debug: true
         auto_reload: true
         enable_debug_extension: true
+
+    extensions:
+        composer_debug: true
+        composer_verbose: true
diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index 79c51bfd70..15a9d74623 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -440,7 +440,7 @@ class acp_extensions
 					'warning' => new \Symfony\Component\Console\Formatter\OutputFormatterStyle('black', 'yellow')
 				]);
 
-				$composer_io = new \phpbb\composer\io\web_io($language, '', \Symfony\Component\Console\Output\OutputInterface::VERBOSITY_VERBOSE, $formatter);
+				$composer_io = new \phpbb\composer\io\web_io($language, '', $phpbb_container->getParameter('extensions.composer.output'), $formatter);
 
 				try
 				{
@@ -479,7 +479,7 @@ class acp_extensions
 					'warning' => new \Symfony\Component\Console\Formatter\OutputFormatterStyle('black', 'yellow')
 				]);
 
-				$composer_io = new \phpbb\composer\io\web_io($language, '', \Symfony\Component\Console\Output\OutputInterface::VERBOSITY_VERBOSE, $formatter);
+				$composer_io = new \phpbb\composer\io\web_io($language, '', $phpbb_container->getParameter('extensions.composer.output'), $formatter);
 
 				try
 				{
@@ -518,7 +518,7 @@ class acp_extensions
 					'warning' => new \Symfony\Component\Console\Formatter\OutputFormatterStyle('black', 'yellow')
 				]);
 
-				$composer_io = new \phpbb\composer\io\web_io($language, '', \Symfony\Component\Console\Output\OutputInterface::VERBOSITY_VERBOSE, $formatter);
+				$composer_io = new \phpbb\composer\io\web_io($language, '', $phpbb_container->getParameter('extensions.composer.output'), $formatter);
 
 				try
 				{
@@ -557,7 +557,7 @@ class acp_extensions
 					'warning' => new \Symfony\Component\Console\Formatter\OutputFormatterStyle('black', 'yellow')
 				]);
 
-				$composer_io = new \phpbb\composer\io\web_io($language, '', \Symfony\Component\Console\Output\OutputInterface::VERBOSITY_VERBOSE, $formatter);
+				$composer_io = new \phpbb\composer\io\web_io($language, '', $phpbb_container->getParameter('extensions.composer.output'), $formatter);
 
 				try
 				{
diff --git a/phpBB/phpbb/composer/extension_manager.php b/phpBB/phpbb/composer/extension_manager.php
index a1f67c6681..7e148e0d54 100644
--- a/phpBB/phpbb/composer/extension_manager.php
+++ b/phpBB/phpbb/composer/extension_manager.php
@@ -106,11 +106,11 @@ class extension_manager extends manager
 				}
 				catch (\phpbb\exception\runtime_exception $e)
 				{
-					$io->writeError([$e->getMessage(), $e->get_parameters()], true, 4);
+					$io->writeError([[$e->getMessage(), $e->get_parameters(), 4]], true);
 				}
 				catch (\Exception $e)
 				{
-					$io->writeError($e->getMessage(), true, 4);
+					$io->writeError([[$e->getMessage(), [], 4]], true);
 				}
 			}
 		}
@@ -121,7 +121,7 @@ class extension_manager extends manager
 	 */
 	protected function pre_update(array $packages, IOInterface $io = null)
 	{
-		$io->writeError([['DISABLING_EXTENSIONS', [], 1]], true, 1);
+		$io->writeError([['DISABLING_EXTENSIONS', [], 1]], true);
 		$this->enabled_extensions = [];
 		foreach ($packages as $package)
 		{
@@ -135,11 +135,11 @@ class extension_manager extends manager
 			}
 			catch (\phpbb\exception\runtime_exception $e)
 			{
-				$io->writeError([$e->getMessage(), $e->get_parameters()], true, 4);
+				$io->writeError([[$e->getMessage(), $e->get_parameters(), 4]], true);
 			}
 			catch (\Exception $e)
 			{
-				$io->writeError($e->getMessage(), true, 4);
+				$io->writeError([[$e->getMessage(), [], 4]], true);
 			}
 		}
 	}
@@ -149,7 +149,7 @@ class extension_manager extends manager
 	 */
 	protected function post_update(array $packages, IOInterface $io = null)
 	{
-		$io->writeError([['ENABLING_EXTENSIONS', [], 1]], true, 1);
+		$io->writeError([['ENABLING_EXTENSIONS', [], 1]], true);
 		foreach ($this->enabled_extensions as $package)
 		{
 			try
@@ -158,11 +158,11 @@ class extension_manager extends manager
 			}
 			catch (\phpbb\exception\runtime_exception $e)
 			{
-				$io->writeError([$e->getMessage(), $e->get_parameters()], true, 4);
+				$io->writeError([[$e->getMessage(), $e->get_parameters(), 4]], true);
 			}
 			catch (\Exception $e)
 			{
-				$io->writeError($e->getMessage(), true, 4);
+				$io->writeError([[$e->getMessage(), [], 4]], true);
 			}
 		}
 	}
@@ -190,7 +190,7 @@ class extension_manager extends manager
 	{
 		if ($this->purge_on_remove)
 		{
-			$io->writeError([['DISABLING_EXTENSIONS', [], 1]], true, 1);
+			$io->writeError([['DISABLING_EXTENSIONS', [], 1]], true);
 		}
 
 		foreach ($packages as $package)
@@ -211,11 +211,11 @@ class extension_manager extends manager
 			}
 			catch (\phpbb\exception\runtime_exception $e)
 			{
-				$io->writeError([$e->getMessage(), $e->get_parameters()], true, 4);
+				$io->writeError([[$e->getMessage(), $e->get_parameters(), 4]], true);
 			}
 			catch (\Exception $e)
 			{
-				$io->writeError($e->getMessage(), true, 4);
+				$io->writeError([[$e->getMessage(), [], 4]], true);
 			}
 		}
 	}
@@ -239,7 +239,7 @@ class extension_manager extends manager
 		if ($this->extension_manager->is_enabled($package))
 		{
 			$enabled = true;
-			$io->writeError([['DISABLING_EXTENSIONS', [], 1]], true, 1);
+			$io->writeError([['DISABLING_EXTENSIONS', [], 1]], true);
 			$this->extension_manager->disable($package);
 		}
 
@@ -274,7 +274,7 @@ class extension_manager extends manager
 		{
 			try
 			{
-				$io->writeError([['ENABLING_EXTENSIONS', [], 1]], true, 1);
+				$io->writeError([['ENABLING_EXTENSIONS', [], 1]], true);
 				$this->extension_manager->enable($package);
 			}
 			catch (\Exception $e)
diff --git a/phpBB/phpbb/composer/io/translate_composer_trait.php b/phpBB/phpbb/composer/io/translate_composer_trait.php
index 64f69263e9..fd06dd95ce 100644
--- a/phpBB/phpbb/composer/io/translate_composer_trait.php
+++ b/phpBB/phpbb/composer/io/translate_composer_trait.php
@@ -16,6 +16,9 @@ namespace phpbb\composer\io;
 use phpbb\language\language;
 use Symfony\Component\Console\Output\OutputInterface;
 
+/**
+ * Trait to translate the composer Output
+ */
 trait translate_composer_trait
 {
 	/**
@@ -54,9 +57,13 @@ trait translate_composer_trait
 				$parameters = [];
 			}
 
-			$message = trim($this->strip_format($message), "\n\r");
+			$message = trim($this->strip_format($lang_key), "\n\r");
 
-			if (strpos($message, 'Deleting ') === 0)
+			if ($this->output->getVerbosity() === OutputInterface::VERBOSITY_DEBUG)
+			{
+				// Do nothing
+			}
+			else if (strpos($message, 'Deleting ') === 0)
 			{
 				$elements = explode(' ', $message);
 				$lang_key = 'COMPOSER_DELETING';
@@ -116,7 +123,11 @@ trait translate_composer_trait
 
 			$message = trim($this->strip_format($lang_key), "\n\r");
 
-			if (strpos($message, '  Problem ') === 0)
+			if ($this->output->getVerbosity() === OutputInterface::VERBOSITY_DEBUG)
+			{
+				// Do nothing
+			}
+			else if (strpos($message, '  Problem ') === 0)
 			{
 				if ($this->output->getVerbosity() < OutputInterface::VERBOSITY_VERBOSE)
 				{
diff --git a/phpBB/phpbb/di/extension/container_configuration.php b/phpBB/phpbb/di/extension/container_configuration.php
index 4585d6509e..3870670ac0 100644
--- a/phpBB/phpbb/di/extension/container_configuration.php
+++ b/phpBB/phpbb/di/extension/container_configuration.php
@@ -45,6 +45,13 @@ class container_configuration implements ConfigurationInterface
 						->booleanNode('enable_debug_extension')->defaultValue(false)->end()
 					->end()
 				->end()
+				->arrayNode('extensions')
+					->addDefaultsIfNotSet()
+					->children()
+						->booleanNode('composer_debug')->defaultValue(false)->end()
+						->booleanNode('composer_verbose')->defaultValue(false)->end()
+					->end()
+				->end()
 			->end()
 		;
 		return $treeBuilder;
diff --git a/phpBB/phpbb/di/extension/core.php b/phpBB/phpbb/di/extension/core.php
index 67150f0103..64c3dafcad 100644
--- a/phpBB/phpbb/di/extension/core.php
+++ b/phpBB/phpbb/di/extension/core.php
@@ -15,6 +15,7 @@ namespace phpbb\di\extension;
 
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
@@ -92,6 +93,18 @@ class core extends Extension
 			$definition->addTag('twig.extension');
 		}
 
+		$composer_output = OutputInterface::VERBOSITY_NORMAL;
+		if ($config['extensions']['composer_verbose'])
+		{
+			$composer_output = OutputInterface::VERBOSITY_VERBOSE;
+		}
+		if ($config['extensions']['composer_debug'])
+		{
+			$composer_output = OutputInterface::VERBOSITY_DEBUG;
+		}
+
+		$container->setParameter('extensions.composer.output', $composer_output);
+
 		// Set the debug options
 		foreach ($config['debug'] as $name => $value)
 		{