diff --git a/UPGRADING.md b/UPGRADING.md
index 73b85d5c845..17fdaca2317 100644
--- a/UPGRADING.md
+++ b/UPGRADING.md
@@ -23,6 +23,14 @@ The format of this change log follows the advice given at [Keep a CHANGELOG](htt
 
   For more information see [MDL-81308](https://tracker.moodle.org/browse/MDL-81308)
 
+### core_courseformat
+
+#### Added
+
+- Add core_courseformat\base::invalidate_all_session_caches to reset course editor cache for all users when course is changed. This method can be used as an alternative to core_courseformat\base::session_cache_reset for resetting the cache for the current user  in case the change in the course should be reflected for all users.
+
+  For more information see [MDL-83185](https://tracker.moodle.org/browse/MDL-83185)
+
 ### core_enrol
 
 #### Changed
diff --git a/course/format/UPGRADING.md b/course/format/UPGRADING.md
index b780e726fa8..d08564c595e 100644
--- a/course/format/UPGRADING.md
+++ b/course/format/UPGRADING.md
@@ -1,5 +1,13 @@
 # core_courseformat (subsystem / plugintype) Upgrade notes
 
+## 4.5+
+
+### Added
+
+- Add core_courseformat\base::invalidate_all_session_caches to reset course editor cache for all users when course is changed. This method can be used as an alternative to core_courseformat\base::session_cache_reset for resetting the cache for the current user  in case the change in the course should be reflected for all users.
+
+  For more information see [MDL-83185](https://tracker.moodle.org/browse/MDL-83185)
+
 ## 4.5
 
 ### Added