protected function get_extensions_inline_warning_major() {
		$upgrade_type  = 'major';
		$plugins       = $this->major_untested_plugins;
		$version_parts = explode( '.', $this->new_version );
		$new_version   = $version_parts[0] . '.0';

		if ( empty( $plugins ) ) {
			return;
		}

		/* translators: %s: version number */
		$message = sprintf( __( "<strong>Heads up!</strong> The versions of the following plugins you're running haven't been tested with WooCommerce %s. Please update them or confirm compatibility before updating WooCommerce, or you may experience issues:", 'woocommerce' ), $new_version );

		ob_start();
		include 'views/html-notice-untested-extensions-inline.php';
		return ob_get_clean();
	}