Defer script loading.

assets/css/admin.scss

@@ -1927,7 +1927,7 @@ a.button.wc-stc-shipment-action-button {
 
 .wc-shiptastic-settings {
   .nav-tab-wrapper {
-    a.nav-tab[href*="tab=shipments"] {
+    a.nav-tab[href*="tab=shiptastic"] {
       border-bottom: 1px solid #f1f1f1;
       background: #f1f1f1;
       color: #000;

src/Admin/Tabs/Packaging.php

@@ -274,7 +274,7 @@ public function get_pointers() {
 				),
 			);
 
-			if ( strstr( $last_url, 'tab=shipments' ) ) {
+			if ( strstr( $last_url, 'tab=shiptastic' ) ) {
 				$pointers['pointers']['auto']['last_step'] = true;
 			}
 		}

src/Package.php

@@ -894,6 +894,24 @@ public static function load_blocks() {
 		return version_compare( $woo_version, '8.2.0', '>=' );
 	}
 
+	public static function register_script( $handle, $path, $dep = array(), $ver = '', $in_footer = array( 'strategy' => 'defer' ) ) {
+		global $wp_version;
+
+		if ( version_compare( $wp_version, '6.3', '<' ) ) {
+			$in_footer = true;
+		}
+
+		$ver = empty( $ver ) ? self::get_version() : $ver;
+
+		wp_register_script(
+			$handle,
+			self::get_assets_url( $path ),
+			$dep,
+			$ver,
+			$in_footer
+		);
+	}
+
 	public static function get_assets_url( $script_or_style ) {
 		$assets_url = self::get_url() . '/build';
 		$is_debug   = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG;

src/PickupDelivery.php

@@ -694,8 +694,8 @@ public static function register_assets() {
 			return;
 		}
 
-		wp_register_script( 'wc-shiptastic-modal', Package::get_assets_url( 'static/modal.js' ), array( 'jquery' ), Package::get_version() ); // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.NotInFooter
-		wp_register_script( 'wc-shiptastic-pickup-locations', Package::get_assets_url( 'static/pickup-locations.js' ), array( 'jquery', 'woocommerce', 'selectWoo', 'wc-shiptastic-modal' ), Package::get_version() ); // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.NotInFooter
+		Package::register_script( 'wc-shiptastic-modal', 'static/modal.js', array( 'jquery' ) );
+		Package::register_script( 'wc-shiptastic-pickup-locations', 'static/pickup-locations.js', array( 'jquery', 'woocommerce', 'selectWoo', 'wc-shiptastic-modal' ) );
 
 		// Register admin styles.
 		wp_register_style( 'woocommerce_shiptastic_pickup_locations', Package::get_assets_url( 'static/pickup-locations-styles.css' ), array(), Package::get_version() );

src/ShippingProvider/Simple.php

@@ -179,10 +179,10 @@ public function hide_return_address() {
 	}
 
 	public function get_edit_link( $section = '' ) {
-		$url = admin_url( 'admin.php?page=wc-settings&tab=shipments-shipping_provider&provider=' . esc_attr( $this->get_name() ) );
-		$url = add_query_arg( array( 'section' => $section ), $url );
+		$base_url = Settings::get_settings_url( 'shipping_provider', $section );
+		$base_url = add_query_arg( array( 'provider' => $this->get_name() ), $base_url );
 
-		return esc_url_raw( $url );
+		return esc_url_raw( $base_url );
 	}
 
 	/**