diff --git a/grade/upgrade.txt b/grade/upgrade.txt
index 7e4d0d076e2..170f25ee099 100644
--- a/grade/upgrade.txt
+++ b/grade/upgrade.txt
@@ -1,6 +1,12 @@
 This file describes API changes in /grade/* ;
 Information provided here is intended especially for developers.
 
+=== 4.2.4 ===
+* Some changes to how print_grade_page_head() sets the page title:
+  * If a non-empty `$heading` parameter is passed, it will be used as the page title's unique identifying information.
+  * Add support for grade report plugins that define an `editingmode_title` lang string. If the grade report plugin defines this
+    language string, it will be used for the page title's unique identifying information when editing mode is turned on.
+
 === 4.2.3 ===
 * The grade `itemname` property contained in the return structure of the following external methods is now PARAM_CLEANHTML:
   - `core_grades_get_gradeitems`