diff --git a/src/Application.php b/src/Application.php
index 88d41741e8..0a224de2cf 100644
--- a/src/Application.php
+++ b/src/Application.php
@@ -405,4 +405,14 @@ public function renderException(\Exception $e, OutputInterface $output)
 
         $this->doRenderException($e, $output);
     }
+
+    /**
+     * Renders a caught Throwable. Omits the command docs at end.
+     */
+    public function renderThrowable(\Throwable $e, OutputInterface $output): void
+    {
+        $output->writeln('', OutputInterface::VERBOSITY_QUIET);
+
+        $this->doRenderThrowable($e, $output);
+    }
 }
diff --git a/src/Command/RemoteCommandProxy.php b/src/Command/RemoteCommandProxy.php
index ef7256d854..ff83f5c17a 100644
--- a/src/Command/RemoteCommandProxy.php
+++ b/src/Command/RemoteCommandProxy.php
@@ -40,6 +40,9 @@ public function __construct($name, RedispatchHook $redispatchHook)
             InputArgument::IS_ARRAY,
             'Proxy for command arguments'
         );
+
+        // The above should be enough but isn't in Drupal 10.
+        $this->ignoreValidationErrors();
     }
 
     protected function execute(InputInterface $input, OutputInterface $output): void
diff --git a/src/Drupal/Commands/core/DeployHookCommands.php b/src/Drupal/Commands/core/DeployHookCommands.php
index f6477eea2d..9bcbb0a761 100644
--- a/src/Drupal/Commands/core/DeployHookCommands.php
+++ b/src/Drupal/Commands/core/DeployHookCommands.php
@@ -25,8 +25,8 @@ class DeployHookCommands extends DrushCommands implements SiteAliasManagerAwareI
     public static function getRegistry(): UpdateRegistry
     {
         $registry = new class (
-            \Drupal::service('app.root'),
-            \Drupal::service('site.path'),
+            \Drupal::getContainer()->getParameter('app.root'),
+            \Drupal::getContainer()->getParameter('site.path'),
             array_keys(\Drupal::service('module_handler')->getModuleList()),
             \Drupal::service('keyvalue')->get('deploy_hook')
         ) extends UpdateRegistry {