Merging develop into main

patches/d10/3492453.diff

+diff --git a/core/lib/Drupal/Core/Installer/InstallerKernel.php b/core/lib/Drupal/Core/Installer/InstallerKernel.php
+index 8f4f1c760dee0882ad0cff4f29dd8a5c3fe5d9c8..23f329eff551b67d86f8e2c69ebe7d26bd86e5ad 100644
+--- a/core/lib/Drupal/Core/Installer/InstallerKernel.php
++++ b/core/lib/Drupal/Core/Installer/InstallerKernel.php
+@@ -3,6 +3,7 @@
+ namespace Drupal\Core\Installer;
+ 
+ use Drupal\Core\DrupalKernel;
++use Symfony\Component\DependencyInjection\ContainerInterface;
+ 
+ /**
+  * Extend DrupalKernel to handle force some kernel behaviors.
+@@ -83,4 +84,17 @@ public static function installationAttempted() {
+     return isset($GLOBALS['install_state']) && empty($GLOBALS['install_state']['installation_finished']);
+   }
+ 
++  /**
++   * {@inheritdoc}
++   */
++  protected function attachSynthetic(ContainerInterface $container): void {
++    parent::attachSynthetic($container);
++
++    // Reset any existing container in order to avoid holding on to old object
++    // references, otherwise memory usage grows exponentially with each rebuild
++    // when multiple modules are being installed.
++    // @todo Move this to the parent class after https://www.drupal.org/i/2066993
++    $this->container?->reset();
++  }
++
+ }