diff --git a/build/psalm-baseline.xml b/build/psalm-baseline.xml
index 5122106d8509b..7f565f62ef404 100644
--- a/build/psalm-baseline.xml
+++ b/build/psalm-baseline.xml
@@ -1266,11 +1266,6 @@
       <code><![CDATA[$this->request->server]]></code>
     </NoInterfaceProperties>
   </file>
-  <file src="lib/autoloader.php">
-    <RedundantCondition>
-      <code><![CDATA[$this->memoryCache]]></code>
-    </RedundantCondition>
-  </file>
   <file src="lib/base.php">
     <InvalidArgument>
       <code><![CDATA[$restrictions]]></code>
diff --git a/build/rector.php b/build/rector.php
index 1cc613499c681..a119d84fd5995 100644
--- a/build/rector.php
+++ b/build/rector.php
@@ -52,6 +52,7 @@ public function shouldSkip(File $file, FullyQualifiedObjectType $fullyQualifiedO
 $config = RectorConfig::configure()
 	->withPaths([
 		$nextcloudDir . '/apps',
+		$nextcloudDir . '/status.php',
 		// $nextcloudDir . '/config',
 		// $nextcloudDir . '/core',
 		// $nextcloudDir . '/lib',
diff --git a/lib/autoloader.php b/lib/autoloader.php
index 41b272a457cc0..7084eb93c89d4 100644
--- a/lib/autoloader.php
+++ b/lib/autoloader.php
@@ -22,10 +22,8 @@ class Autoloader {
 
 	/**
 	 * Optional low-latency memory cache for class to path mapping.
-	 *
-	 * @var \OC\Memcache\Cache
 	 */
-	protected $memoryCache;
+	protected ?ICache $memoryCache = null;
 
 	/**
 	 * Autoloader constructor.
@@ -127,15 +125,15 @@ protected function isValidPath(string $fullPath): bool {
 	 * @throws AutoloadNotAllowedException
 	 */
 	public function load(string $class): bool {
+		if (class_exists($class, false)) {
+			return false;
+		}
+
 		$pathsToRequire = null;
 		if ($this->memoryCache) {
 			$pathsToRequire = $this->memoryCache->get($class);
 		}
 
-		if (class_exists($class, false)) {
-			return false;
-		}
-
 		if (!is_array($pathsToRequire)) {
 			// No cache or cache miss
 			$pathsToRequire = [];
diff --git a/lib/base.php b/lib/base.php
index aa463e206a314..e9fdd48f90c8d 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -188,8 +188,6 @@ public static function initPaths(): void {
 	}
 
 	public static function checkConfig(): void {
-		$l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
-
 		// Create config if it does not already exist
 		$configFilePath = self::$configDir . '/config.php';
 		if (!file_exists($configFilePath)) {
@@ -201,6 +199,7 @@ public static function checkConfig(): void {
 		if (!$configFileWritable && !OC_Helper::isReadOnlyConfigEnabled()
 			|| !$configFileWritable && \OCP\Util::needUpgrade()) {
 			$urlGenerator = Server::get(IURLGenerator::class);
+			$l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
 
 			if (self::$CLI) {
 				echo $l->t('Cannot write into "config" directory!') . "\n";
@@ -711,6 +710,7 @@ public static function init(): void {
 		self::performSameSiteCookieProtection($config);
 
 		if (!defined('OC_CONSOLE')) {
+			$eventLogger->start('check_server', 'Run a few configuration checks');
 			$errors = OC_Util::checkServer($systemConfig);
 			if (count($errors) > 0) {
 				if (!self::$CLI) {
@@ -745,6 +745,7 @@ public static function init(): void {
 			} elseif (self::$CLI && $config->getSystemValueBool('installed', false)) {
 				$config->deleteAppValue('core', 'cronErrors');
 			}
+			$eventLogger->end('check_server');
 		}
 
 		// User and Groups
@@ -752,6 +753,7 @@ public static function init(): void {
 			self::$server->getSession()->set('user_id', '');
 		}
 
+		$eventLogger->start('setup_backends', 'Setup group and user backends');
 		Server::get(\OCP\IUserManager::class)->registerBackend(new \OC\User\Database());
 		Server::get(\OCP\IGroupManager::class)->addBackend(new \OC\Group\Database());
 
@@ -770,6 +772,7 @@ public static function init(): void {
 			// Run upgrades in incognito mode
 			OC_User::setIncognitoMode(true);
 		}
+		$eventLogger->end('setup_backends');
 
 		self::registerCleanupHooks($systemConfig);
 		self::registerShareHooks($systemConfig);
diff --git a/lib/private/AppFramework/Bootstrap/Coordinator.php b/lib/private/AppFramework/Bootstrap/Coordinator.php
index 2b04d2917305d..4e613703dece0 100644
--- a/lib/private/AppFramework/Bootstrap/Coordinator.php
+++ b/lib/private/AppFramework/Bootstrap/Coordinator.php
@@ -83,11 +83,12 @@ private function registerApps(array $appIds): void {
 			$appNameSpace = App::buildAppNamespace($appId);
 			$applicationClassName = $appNameSpace . '\\AppInfo\\Application';
 			try {
-				if (class_exists($applicationClassName) && in_array(IBootstrap::class, class_implements($applicationClassName), true)) {
+				if (class_exists($applicationClassName) && is_a($applicationClassName, IBootstrap::class, true)) {
 					$this->eventLogger->start("bootstrap:register_app:$appId:application", "Load `Application` instance for $appId");
 					try {
-						/** @var IBootstrap|App $application */
-						$apps[$appId] = $application = $this->serverContainer->query($applicationClassName);
+						/** @var IBootstrap&App $application */
+						$application = $this->serverContainer->query($applicationClassName);
+						$apps[$appId] = $application;
 					} catch (QueryException $e) {
 						// Weird, but ok
 						$this->eventLogger->end("bootstrap:register_app:$appId");
diff --git a/lib/private/AppFramework/Utility/SimpleContainer.php b/lib/private/AppFramework/Utility/SimpleContainer.php
index 24918992ea3a3..9af65a37ab8b6 100644
--- a/lib/private/AppFramework/Utility/SimpleContainer.php
+++ b/lib/private/AppFramework/Utility/SimpleContainer.php
@@ -153,13 +153,13 @@ public function registerService($name, Closure $closure, $shared = true) {
 			return $closure($this);
 		};
 		$name = $this->sanitizeName($name);
-		if (isset($this[$name])) {
-			unset($this[$name]);
+		if (isset($this->container[$name])) {
+			unset($this->container[$name]);
 		}
 		if ($shared) {
-			$this[$name] = $wrapped;
+			$this->container[$name] = $wrapped;
 		} else {
-			$this[$name] = $this->container->factory($wrapped);
+			$this->container[$name] = $this->container->factory($wrapped);
 		}
 	}
 
diff --git a/lib/private/Route/Router.php b/lib/private/Route/Router.php
index d073132516de5..2a60287254b83 100644
--- a/lib/private/Route/Router.php
+++ b/lib/private/Route/Router.php
@@ -54,9 +54,9 @@ public function __construct(
 		protected LoggerInterface $logger,
 		IRequest $request,
 		private IConfig $config,
-		private IEventLogger $eventLogger,
+		protected IEventLogger $eventLogger,
 		private ContainerInterface $container,
-		private IAppManager $appManager,
+		protected IAppManager $appManager,
 	) {
 		$baseUrl = \OC::$WEBROOT;
 		if (!($config->getSystemValue('htaccess.IgnoreFrontController', false) === true || getenv('front_controller_active') === 'true')) {
@@ -116,9 +116,11 @@ public function loadRoutes($app = null) {
 			$this->loaded = true;
 			$routingFiles = $this->getRoutingFiles();
 
+			$this->eventLogger->start('route:load:attributes', 'Loading Routes from attributes');
 			foreach (\OC_App::getEnabledApps() as $enabledApp) {
 				$this->loadAttributeRoutes($enabledApp);
 			}
+			$this->eventLogger->end('route:load:attributes');
 		} else {
 			if (isset($this->loadedApps[$app])) {
 				return;
@@ -140,6 +142,7 @@ public function loadRoutes($app = null) {
 			}
 		}
 
+		$this->eventLogger->start('route:load:files', 'Loading Routes from files');
 		foreach ($routingFiles as $app => $file) {
 			if (!isset($this->loadedApps[$app])) {
 				if (!$this->appManager->isAppLoaded($app)) {
@@ -160,6 +163,7 @@ public function loadRoutes($app = null) {
 				$this->root->addCollection($collection);
 			}
 		}
+		$this->eventLogger->end('route:load:files');
 
 		if (!isset($this->loadedApps['core'])) {
 			$this->loadedApps['core'] = true;
@@ -265,6 +269,7 @@ public function findMatchingRoute(string $url): array {
 			$this->loadRoutes();
 		}
 
+		$this->eventLogger->start('route:url:match', 'Symfony url matcher call');
 		$matcher = new UrlMatcher($this->root, $this->context);
 		try {
 			$parameters = $matcher->match($url);
@@ -283,6 +288,7 @@ public function findMatchingRoute(string $url): array {
 				throw $e;
 			}
 		}
+		$this->eventLogger->end('route:url:match');
 
 		$this->eventLogger->end('route:match');
 		return $parameters;
diff --git a/lib/private/ServerContainer.php b/lib/private/ServerContainer.php
index 9f887b2d48abb..b5bcbdaeb6fd2 100644
--- a/lib/private/ServerContainer.php
+++ b/lib/private/ServerContainer.php
@@ -128,18 +128,17 @@ public function query(string $name, bool $autoload = true) {
 			} catch (QueryException $e) {
 				// Continue with general autoloading then
 			}
-		}
-
-		// In case the service starts with OCA\ we try to find the service in
-		// the apps container first.
-		if (($appContainer = $this->getAppContainerForService($name)) !== null) {
-			try {
-				return $appContainer->queryNoFallback($name);
-			} catch (QueryException $e) {
-				// Didn't find the service or the respective app container
-				// In this case the service won't be part of the core container,
-				// so we can throw directly
-				throw $e;
+			// In case the service starts with OCA\ we try to find the service in
+			// the apps container first.
+			if (($appContainer = $this->getAppContainerForService($name)) !== null) {
+				try {
+					return $appContainer->queryNoFallback($name);
+				} catch (QueryException $e) {
+					// Didn't find the service or the respective app container
+					// In this case the service won't be part of the core container,
+					// so we can throw directly
+					throw $e;
+				}
 			}
 		} elseif (str_starts_with($name, 'OC\\Settings\\') && substr_count($name, '\\') >= 3) {
 			$segments = explode('\\', $name);
diff --git a/status.php b/status.php
index e4d4bab7e45be..e1b95d9396ba6 100644
--- a/status.php
+++ b/status.php
@@ -1,33 +1,42 @@
 <?php
 
+declare(strict_types=1);
+
 /**
  * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
  * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
  * SPDX-License-Identifier: AGPL-3.0-only
  */
+
 require_once __DIR__ . '/lib/versioncheck.php';
 
+use OC\SystemConfig;
+use OCP\Defaults;
+use OCP\Server;
+use OCP\ServerVersion;
+use OCP\Util;
 use Psr\Log\LoggerInterface;
 
 try {
 	require_once __DIR__ . '/lib/base.php';
 
-	$systemConfig = \OC::$server->getSystemConfig();
+	$systemConfig = Server::get(SystemConfig::class);
 
 	$installed = (bool)$systemConfig->getValue('installed', false);
 	$maintenance = (bool)$systemConfig->getValue('maintenance', false);
 	# see core/lib/private/legacy/defaults.php and core/themes/example/defaults.php
 	# for description and defaults
-	$defaults = new \OCP\Defaults();
+	$defaults = new Defaults();
+	$serverVersion = Server::get(ServerVersion::class);
 	$values = [
 		'installed' => $installed,
 		'maintenance' => $maintenance,
-		'needsDbUpgrade' => \OCP\Util::needUpgrade(),
-		'version' => implode('.', \OCP\Util::getVersion()),
-		'versionstring' => \OCP\Server::get(\OCP\ServerVersion::class)->getVersionString(),
+		'needsDbUpgrade' => Util::needUpgrade(),
+		'version' => implode('.', $serverVersion->getVersion()),
+		'versionstring' => $serverVersion->getVersionString(),
 		'edition' => '',
 		'productname' => $defaults->getProductName(),
-		'extendedSupport' => \OCP\Util::hasExtendedSupport()
+		'extendedSupport' => Util::hasExtendedSupport()
 	];
 	if (OC::$CLI) {
 		print_r($values);
@@ -38,5 +47,5 @@
 	}
 } catch (Exception $ex) {
 	http_response_code(500);
-	\OCP\Server::get(LoggerInterface::class)->error($ex->getMessage(), ['app' => 'remote','exception' => $ex]);
+	Server::get(LoggerInterface::class)->error($ex->getMessage(), ['app' => 'remote','exception' => $ex]);
 }