diff --git a/src/Orders.php b/src/Orders.php
index f0011ec..19b88aa 100644
--- a/src/Orders.php
+++ b/src/Orders.php
@@ -26,9 +26,6 @@ public function __construct() {
 		add_action( 'woocommerce_order_status_completed', array( __CLASS__, 'handle_order_status_changed' ) );
 		add_action( 'woocommerce_checkout_order_processed', array( __CLASS__, 'handle_order_status_changed' ) );
 		add_action( 'woocommerce_order_status_changed', array( __CLASS__, 'handle_order_status_changed' ) );
-		// TODO: handle order status change and order remove scenario.
-		// TODO: handle order again feature.
-
 		add_action( 'woocommerce_email_after_order_table', array( __CLASS__, 'order_email_keys' ), PHP_INT_MAX );
 		add_action( 'woocommerce_order_details_after_order_table', array( __CLASS__, 'order_display_keys' ), 9 );
 	}
diff --git a/wc-serial-numbers.php b/wc-serial-numbers.php
index 73d2ac1..d321d63 100644
--- a/wc-serial-numbers.php
+++ b/wc-serial-numbers.php
@@ -3,7 +3,7 @@
  * Plugin Name:          WC Serial Numbers
  * Plugin URI:           https://pluginever.com/plugins/wocommerce-serial-numbers-pro/
  * Description:          Sell and manage license keys/ serial numbers/ secret keys easily within your WooCommerce store.
- * Version:              2.1.0
+ * Version:              2.1.1
  * Requires at least:    5.0
  * Requires PHP:         7.4
  * Author:               PluginEver
@@ -12,9 +12,9 @@
  * License URI:          https://www.gnu.org/licenses/gpl-2.0.html
  * Text Domain:          wc-serial-numbers
  * Domain Path:          /languages
- * Tested up to:         6.6
- * WC requires at least: 5.0
- * WC tested up to:      9.3
+ * Tested up to:         6.7
+ * WC requires at least: 3.0.0
+ * WC tested up to:      9.4
  *
  * @package WooCommerceSerialNumbers
  *