diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index c160413e13..a9a25ee2dc 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -2,7 +2,8 @@ name: build-documentation
 
 on:
   release:
-    types: [published]
+    # only run for stable releases
+    types: [released]
 
 jobs:
   build_docs:
diff --git a/bin/froxlor-cli b/bin/froxlor-cli
index 68765da940..a3236bddc7 100755
--- a/bin/froxlor-cli
+++ b/bin/froxlor-cli
@@ -43,7 +43,19 @@ require dirname(__DIR__) . '/lib/tables.inc.php';
 $application = new Application('froxlor-cli', Froxlor::getFullVersion());
 
 // files that are no commands
-$fileIgnoreList = ['CliCommand.php', 'index.html', 'install.functions.php'];
+$fileIgnoreList = [
+	// Current non-command files
+	'CliCommand.php',
+	'index.html',
+	'install.functions.php',
+	// older files not used anymore (should be removed by the updater), but take care of it just in case
+	'Action.php',
+	'CmdLineHandler.php',
+	'ConfigServicesCmd.php',
+	'PhpSessioncleanCmd.php',
+	'SwitchServerIpCmd.php',
+	'UpdateCliCmd.php',
+];
 // directory of commands to include
 $cmd_files = glob(Froxlor::getInstallDir() . '/lib/Froxlor/Cli/*.php');
 
diff --git a/install/froxlor.sql.php b/install/froxlor.sql.php
index 6ceb1b9b2e..50456bd922 100644
--- a/install/froxlor.sql.php
+++ b/install/froxlor.sql.php
@@ -727,7 +727,7 @@
 	('panel', 'settings_mode', '0'),
 	('panel', 'menu_collapsed', '1'),
 	('panel', 'version', '2.1.0-rc3'),
-	('panel', 'db_version', '202311260');
+	('panel', 'db_version', '202312050');
 
 
 DROP TABLE IF EXISTS `panel_tasks`;
diff --git a/install/updates/froxlor/update_2.1.inc.php b/install/updates/froxlor/update_2.1.inc.php
index be2c3f03c3..76975b9155 100644
--- a/install/updates/froxlor/update_2.1.inc.php
+++ b/install/updates/froxlor/update_2.1.inc.php
@@ -130,8 +130,8 @@
 	$current_fileextension = Settings::Get('system.index_file_extension');
 	Database::query("DELETE FROM `" . TABLE_PANEL_SETTINGS . "` WHERE `settinggroup`= 'system' AND `varname`= 'index_file_extension'");
 	Database::query("ALTER TABLE `" . TABLE_PANEL_TEMPLATES . "` ADD `file_extension` varchar(50) NOT NULL default 'html';");
-	if (strtolower(trim($current_fileextension)) != 'html') {
-		$stmt = Database::prepare("UPDATE TABLE `" . TABLE_PANEL_TEMPLATES . "` SET `file_extension` = :ext WHERE `templategroup` = 'files'");
+	if (!empty(trim($current_fileextension)) && strtolower(trim($current_fileextension)) != 'html') {
+		$stmt = Database::prepare("UPDATE `" . TABLE_PANEL_TEMPLATES . "` SET `file_extension` = :ext WHERE `templategroup` = 'files'");
 		Database::pexecute($stmt, ['ext' => strtolower(trim($current_fileextension))]);
 	}
 	Update::lastStepStatus(0);
@@ -143,3 +143,60 @@
 	Update::showUpdateStep("Updating from 2.1.0-rc2 to 2.1.0-rc3", false);
 	Froxlor::updateToVersion('2.1.0-rc3');
 }
+
+if (Froxlor::isDatabaseVersion('202311260')) {
+	Update::showUpdateStep("Cleaning up old files");
+	$to_clean = array(
+		"install/updates/froxlor/update_2.x.inc.php",
+		"install/updates/preconfig/preconfig_2.x.inc.php",
+		"lib/Froxlor/Api/Commands/CustomerBackups.php",
+		"lib/Froxlor/Cli/Action",
+		"lib/Froxlor/Cli/Action.php",
+		"lib/Froxlor/Cli/CmdLineHandler.php",
+		"lib/Froxlor/Cli/ConfigServicesCmd.php",
+		"lib/Froxlor/Cli/PhpSessioncleanCmd.php",
+		"lib/Froxlor/Cli/SwitchServerIpCmd.php",
+		"lib/Froxlor/Cli/UpdateCliCmd.php",
+		"lib/Froxlor/Cron/System/BackupCron.php",
+		"lib/formfields/customer/extras/formfield.backup.php",
+		"lib/tablelisting/customer/tablelisting.backups.php",
+		"templates/Froxlor/assets/mix-manifest.json",
+		"templates/Froxlor/assets/css",
+		"templates/Froxlor/assets/webfonts",
+		"templates/Froxlor/assets/js/main.js",
+		"templates/Froxlor/assets/js/main.js.LICENSE.txt",
+		"templates/Froxlor/src",
+		"templates/Froxlor/user/change_language.html.twig",
+		"templates/Froxlor/user/change_password.html.twig",
+		"templates/Froxlor/user/change_theme.html.twig",
+		"tests/Backup/CustomerBackupsTest.php"
+	);
+	$disabled = explode(',', ini_get('disable_functions'));
+	$exec_allowed = !in_array('exec', $disabled);
+	$del_list = "";
+	foreach ($to_clean as $filedir) {
+		$complete_filedir = Froxlor::getInstallDir() . $filedir;
+		if (file_exists($complete_filedir)) {
+			if ($exec_allowed) {
+				FileDir::safe_exec("rm -rf " . escapeshellarg($complete_filedir));
+			} else {
+				$del_list .= "rm -rf " . escapeshellarg($complete_filedir) . PHP_EOL;
+			}
+		}
+	}
+	if ($exec_allowed) {
+		Update::lastStepStatus(0);
+	} else {
+		if (empty($del_list)) {
+			// none of the files existed
+			Update::lastStepStatus(0);
+		} else {
+			Update::lastStepStatus(
+                1,
+                'manual commands needed',
+                'Please run the following commands manually:<br><pre>' . $del_list . '</pre>'
+            );
+		}
+	}
+	Froxlor::updateToDbVersion('202312050');
+}
diff --git a/lib/Froxlor/Froxlor.php b/lib/Froxlor/Froxlor.php
index 2e4798121a..2f74be5879 100644
--- a/lib/Froxlor/Froxlor.php
+++ b/lib/Froxlor/Froxlor.php
@@ -34,7 +34,7 @@ final class Froxlor
 	const VERSION = '2.1.0-rc3';
 
 	// Database version (YYYYMMDDC where C is a daily counter)
-	const DBVERSION = '202311260';
+	const DBVERSION = '202312050';
 
 	// Distribution branding-tag (used for Debian etc.)
 	const BRANDING = '';
diff --git a/templates/Froxlor/assets/scss/components/_card.scss b/templates/Froxlor/assets/scss/components/_card.scss
index abd1e17e3e..cac90bdf58 100644
--- a/templates/Froxlor/assets/scss/components/_card.scss
+++ b/templates/Froxlor/assets/scss/components/_card.scss
@@ -22,6 +22,9 @@
 		}
 	}
 }
+.list-group-item {
+	background: $white;
+}
 
 @include color-mode(dark) {
 	.card, .list-group-item {