Version 5.0.0 beta 6

applications/core/modules/admin/promotion/seo.php

@@ -238,7 +238,7 @@ class seo extends Controller
 				$value = $values['use_robotstxt_custom_editor'];
 			}
 
-			$form->saveAsSettings( [ 'robots_txt' => $value ] );
+			$form->saveAsSettings( [ 'robots_txt' => $value, 'seo_reduce_links' => $values['seo_reduce_links'] ] );
 			
 			Session::i()->log( 'acplog__robotstxt_edited' );