diff --git a/.upgradenotes/MDL-80380-2025052104135989.yml b/.upgradenotes/MDL-80380-2025052104135989.yml
deleted file mode 100644
index e604009777c..00000000000
--- a/.upgradenotes/MDL-80380-2025052104135989.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-issueNumber: MDL-80380
-notes:
-  core_auth:
-    - message: >
-        A new method called `get_additional_upgrade_token_parameters` has been
-        added to `oauth2_client` class. This will allow custom clients to
-        override this one and add their extra parameters for upgrade token
-        request.
-      type: improved
diff --git a/.upgradenotes/MDL-82132-2025041514493372.yml b/.upgradenotes/MDL-82132-2025041514493372.yml
deleted file mode 100644
index 625a9e21756..00000000000
--- a/.upgradenotes/MDL-82132-2025041514493372.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-issueNumber: MDL-82132
-notes:
-  core_user:
-    - message: >-
-        New method `\core_user::get_dummy_fullname(...)` for returning dummy
-        user fullname comprised of configured name fields only
-      type: improved
diff --git a/.upgradenotes/MDL-83448-2025031805112717.yml b/.upgradenotes/MDL-83448-2025031805112717.yml
deleted file mode 100644
index 4773e85041d..00000000000
--- a/.upgradenotes/MDL-83448-2025031805112717.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-issueNumber: MDL-83448
-notes:
-  core:
-    - message: >
-        - Added is_site_registered_in_hub method in lib/classes/hub/api.php to
-          check if the site is registered or not.
-        - Added get_secret method in lib/classes/hub/registration.php to get site's secret.
-      type: improved
diff --git a/.upgradenotes/MDL-84442-2025042111220326.yml b/.upgradenotes/MDL-84442-2025042111220326.yml
deleted file mode 100644
index 19d18a79c46..00000000000
--- a/.upgradenotes/MDL-84442-2025042111220326.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-issueNumber: MDL-84442
-notes:
-  core:
-    - message: >-
-        Added a new optional param to adhoc_task_failed and
-        scheduled_task_failed to allow skipping log finalisation when called
-        from a separate task.
-      type: improved
diff --git a/.upgradenotes/MDL-84804-2025060412115860.yml b/.upgradenotes/MDL-84804-2025060412115860.yml
deleted file mode 100644
index 4bc9e66e5ed..00000000000
--- a/.upgradenotes/MDL-84804-2025060412115860.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-issueNumber: MDL-84804
-notes:
-  core:
-    - message: >-
-        There is a new `core/page_title` Javascript module for manipulating the
-        current page title
-      type: improved
diff --git a/.upgradenotes/MDL-85556-2025052709221269.yml b/.upgradenotes/MDL-85556-2025052709221269.yml
deleted file mode 100644
index c2a0a321a41..00000000000
--- a/.upgradenotes/MDL-85556-2025052709221269.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-issueNumber: MDL-85556
-notes:
-  core_question:
-    - message: >
-        The unit test repeated\_restore\_test::test\_restore\_course\_with\_same\_stamp\_questions was passing incorrectly on 5.x for question types that use answers.
-
-        Maintainers of third-party question types may want to re-run the test with the fix in place, or if they have copied parts of this test as the basis of a test in their own plugin, review the changes and see if they should be reflected in their own test.
-      type: fixed
diff --git a/UPGRADING.md b/UPGRADING.md
index 9bcc4937418..e1f80d23bd1 100644
--- a/UPGRADING.md
+++ b/UPGRADING.md
@@ -6,7 +6,7 @@ More detailed information on key changes can be found in the [Developer update n
 
 The format of this change log follows the advice given at [Keep a CHANGELOG](https://keepachangelog.com).
 
-## 5.0+
+## 5.0.1
 
 ### core
 
diff --git a/auth/UPGRADING.md b/auth/UPGRADING.md
index 4b6c0c5b986..f181d4258d8 100644
--- a/auth/UPGRADING.md
+++ b/auth/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_auth (subsystem / plugintype) Upgrade notes
 
-## 5.0+
+## 5.0.1
 
 ### Added
 
diff --git a/lib/UPGRADING.md b/lib/UPGRADING.md
index 7e60d7f200c..4968da31c2d 100644
--- a/lib/UPGRADING.md
+++ b/lib/UPGRADING.md
@@ -1,6 +1,6 @@
 # core (subsystem) Upgrade notes
 
-## 5.0+
+## 5.0.1
 
 ### Added
 
diff --git a/question/UPGRADING.md b/question/UPGRADING.md
index d5c9f5c703c..1eb235fb781 100644
--- a/question/UPGRADING.md
+++ b/question/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_question (subsystem) Upgrade notes
 
-## 5.0+
+## 5.0.1
 
 ### Fixed
 
diff --git a/user/UPGRADING.md b/user/UPGRADING.md
index aaaa7c0842e..48a15909a7f 100644
--- a/user/UPGRADING.md
+++ b/user/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_user (subsystem) Upgrade notes
 
-## 5.0+
+## 5.0.1
 
 ### Added