Index: mod/quiz/mod_form.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- mod/quiz/mod_form.php	(date 1575271738000)
+++ mod/quiz/mod_form.php	(date 1579163821000)
@@ -242,9 +242,16 @@
                 'neq', 'wontmatch');
         $mform->disabledIf('overallfeedbackduring', 'preferredbehaviour',
                 'neq', 'wontmatch');
+
+        /*
+         * This options can be necessary for overrides, even if timeclose option is off
+         * see MDL-62760
+         */
+        /*
         foreach (self::$reviewfields as $field => $notused) {
             $mform->disabledIf($field . 'closed', 'timeclose[enabled]');
         }
+        */
 
         // -------------------------------------------------------------------------------
         $mform->addElement('header', 'display', get_string('appearance'));