diff --git a/UPGRADING.md b/UPGRADING.md
index dbc6f0f332e..10531f5b89f 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).
 
-## 4.5beta
+## 4.5rc1
 
 ### core
 
@@ -272,7 +272,6 @@ The format of this change log follows the advice given at [Keep a CHANGELOG](htt
     - `plagiarism_plugin::update_status()`, please use `{plugin name}_before_standard_top_of_body_html` instead.
   - Final deprecation and removal of `plagiarism_get_file_results()`. Please use `plagiarism_get_links()` instead. - Final deprecation and removal of `plagiarism_update_status()`. Please use `{plugin name}_before_standard_top_of_body_html()` instead.
 
-
   For more information see [MDL-71326](https://tracker.moodle.org/browse/MDL-71326)
 - `moodle_list` and `list_item` were only used by `qbank_managecategories`, and these usages have been removed, so these classes (and thus all of listlib.php) are now deprecated. This method was the only usage of the `QUESTION_PAGE_LENGTH` constant, which was defined in `question_category_object.php`, and so is also now deprecated.
 
@@ -547,7 +546,6 @@ The format of this change log follows the advice given at [Keep a CHANGELOG](htt
       `$mform->addElement('static', 'assigndelete', get_string('delete'));`
   - Review all the strings used in the reset page to remove the "Delete" or "Remove" words from them.
 
-
   For more information see [MDL-81872](https://tracker.moodle.org/browse/MDL-81872)
 - The external function `core_course::get_course_contents` now returns the `component` and `itemid` of sections.
 
@@ -823,7 +821,6 @@ The format of this change log follows the advice given at [Keep a CHANGELOG](htt
 - A new `$reponsive` property (defaulting to `true`) has been added to the `core_table\flexible_table` class.
   This property allows you to control whether the table is rendered as a responsive table.
 
-
   For more information see [MDL-80748](https://tracker.moodle.org/browse/MDL-80748)
 
 #### Changed
@@ -1168,7 +1165,6 @@ The format of this change log follows the advice given at [Keep a CHANGELOG](htt
   You may need to override this class in your maintenance and secure layouts if both of the following are true:
   - Your theme plugin inherits from `theme_boost` and uses this CSS class - Your theme plugin applies a different styling for the page header for the maintenance and secure layouts.
 
-
   For more information see [MDL-83047](https://tracker.moodle.org/browse/MDL-83047)
 
 ### tool
diff --git a/admin/UPGRADING.md b/admin/UPGRADING.md
index b7ff93ed8ef..f9f88d810bd 100644
--- a/admin/UPGRADING.md
+++ b/admin/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_admin (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Removed
 
diff --git a/admin/roles/UPGRADING.md b/admin/roles/UPGRADING.md
index afeb5562005..b31a4c4a88b 100644
--- a/admin/roles/UPGRADING.md
+++ b/admin/roles/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_role (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/admin/tool/UPGRADING.md b/admin/tool/UPGRADING.md
index 864c5329b75..9bd14660511 100644
--- a/admin/tool/UPGRADING.md
+++ b/admin/tool/UPGRADING.md
@@ -1,6 +1,6 @@
 # tool (plugin type) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Removed
 
diff --git a/admin/tool/behat/UPGRADING.md b/admin/tool/behat/UPGRADING.md
index 72332362c87..10507b47a54 100644
--- a/admin/tool/behat/UPGRADING.md
+++ b/admin/tool/behat/UPGRADING.md
@@ -1,6 +1,6 @@
 # tool_behat Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/admin/tool/mfa/factor/sms/UPGRADING.md b/admin/tool/mfa/factor/sms/UPGRADING.md
index 8148985f5a6..d091b140fd9 100644
--- a/admin/tool/mfa/factor/sms/UPGRADING.md
+++ b/admin/tool/mfa/factor/sms/UPGRADING.md
@@ -1,6 +1,6 @@
 # factor_sms Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Removed
 
diff --git a/admin/tool/oauth2/UPGRADING.md b/admin/tool/oauth2/UPGRADING.md
index 2f57f48c873..4f9ccbc2a33 100644
--- a/admin/tool/oauth2/UPGRADING.md
+++ b/admin/tool/oauth2/UPGRADING.md
@@ -1,6 +1,6 @@
 # tool_oauth2 Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/availability/UPGRADING.md b/availability/UPGRADING.md
index f4e2ac96e8e..62f750b8566 100644
--- a/availability/UPGRADING.md
+++ b/availability/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_availability (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Removed
 
diff --git a/availability/condition/UPGRADING.md b/availability/condition/UPGRADING.md
index 1beac60f304..2283263b81b 100644
--- a/availability/condition/UPGRADING.md
+++ b/availability/condition/UPGRADING.md
@@ -1,6 +1,6 @@
 # availability (plugin type) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/backup/util/ui/UPGRADING.md b/backup/util/ui/UPGRADING.md
index 67f549471cc..457b75a58f4 100644
--- a/backup/util/ui/UPGRADING.md
+++ b/backup/util/ui/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_backup (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Removed
 
diff --git a/badges/UPGRADING.md b/badges/UPGRADING.md
index 03afdd6d117..4aab62b5764 100644
--- a/badges/UPGRADING.md
+++ b/badges/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_badges (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/cache/UPGRADING.md b/cache/UPGRADING.md
index 3a270aa98c5..81a6e76dd72 100644
--- a/cache/UPGRADING.md
+++ b/cache/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_cache (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/communication/UPGRADING.md b/communication/UPGRADING.md
index 5d0818dc97b..7e7afb20aa2 100644
--- a/communication/UPGRADING.md
+++ b/communication/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_communication (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/completion/UPGRADING.md b/completion/UPGRADING.md
index 88c2e899222..a45f5065b0e 100644
--- a/completion/UPGRADING.md
+++ b/completion/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_completion (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/course/UPGRADING.md b/course/UPGRADING.md
index 274176d0e59..b77d77cf4ed 100644
--- a/course/UPGRADING.md
+++ b/course/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_course (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
@@ -34,7 +34,6 @@
       `$mform->addElement('static', 'assigndelete', get_string('delete'));`
   - Review all the strings used in the reset page to remove the "Delete" or "Remove" words from them.
 
-
   For more information see [MDL-81872](https://tracker.moodle.org/browse/MDL-81872)
 - The external function `core_course::get_course_contents` now returns the `component` and `itemid` of sections.
 
diff --git a/course/format/UPGRADING.md b/course/format/UPGRADING.md
index 84cb28c1121..edb940f89c8 100644
--- a/course/format/UPGRADING.md
+++ b/course/format/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_courseformat (subsystem / plugintype) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/customfield/UPGRADING.md b/customfield/UPGRADING.md
index ae51c76ec48..a3cd7ffd8ea 100644
--- a/customfield/UPGRADING.md
+++ b/customfield/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_customfield (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/customfield/field/number/UPGRADING.md b/customfield/field/number/UPGRADING.md
index bb34e93a44e..bc7dd387fdb 100644
--- a/customfield/field/number/UPGRADING.md
+++ b/customfield/field/number/UPGRADING.md
@@ -1,6 +1,6 @@
 # customfield_number Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/customfield/field/select/UPGRADING.md b/customfield/field/select/UPGRADING.md
index e9f89ad4850..8a499977c44 100644
--- a/customfield/field/select/UPGRADING.md
+++ b/customfield/field/select/UPGRADING.md
@@ -1,6 +1,6 @@
 # customfield_select Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/files/UPGRADING.md b/files/UPGRADING.md
index 4aa48bba911..f959c73893d 100644
--- a/files/UPGRADING.md
+++ b/files/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_files (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/filter/UPGRADING.md b/filter/UPGRADING.md
index e349b81463f..712a71d66a1 100644
--- a/filter/UPGRADING.md
+++ b/filter/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_filters (subsystem / plugintype) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/grade/UPGRADING.md b/grade/UPGRADING.md
index b1650fbe455..ccbd9ce8845 100644
--- a/grade/UPGRADING.md
+++ b/grade/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_grades (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/grade/report/grader/UPGRADING.md b/grade/report/grader/UPGRADING.md
index 6b1fb4ff12a..3c7b7476628 100644
--- a/grade/report/grader/UPGRADING.md
+++ b/grade/report/grader/UPGRADING.md
@@ -1,6 +1,6 @@
 # gradereport_grader Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Deprecated
 
diff --git a/grade/report/singleview/UPGRADING.md b/grade/report/singleview/UPGRADING.md
index 158080f09a9..e8ccbf387d2 100644
--- a/grade/report/singleview/UPGRADING.md
+++ b/grade/report/singleview/UPGRADING.md
@@ -1,6 +1,6 @@
 # gradereport_singleview Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Deprecated
 
diff --git a/grade/report/user/UPGRADING.md b/grade/report/user/UPGRADING.md
index 0c0dc142921..70e322198ef 100644
--- a/grade/report/user/UPGRADING.md
+++ b/grade/report/user/UPGRADING.md
@@ -1,6 +1,6 @@
 # gradereport_user Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Deprecated
 
diff --git a/lib/UPGRADING.md b/lib/UPGRADING.md
index b045c33192d..88c32afc892 100644
--- a/lib/UPGRADING.md
+++ b/lib/UPGRADING.md
@@ -1,6 +1,6 @@
 # core (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
@@ -264,7 +264,6 @@
     - `plagiarism_plugin::update_status()`, please use `{plugin name}_before_standard_top_of_body_html` instead.
   - Final deprecation and removal of `plagiarism_get_file_results()`. Please use `plagiarism_get_links()` instead. - Final deprecation and removal of `plagiarism_update_status()`. Please use `{plugin name}_before_standard_top_of_body_html()` instead.
 
-
   For more information see [MDL-71326](https://tracker.moodle.org/browse/MDL-71326)
 - `moodle_list` and `list_item` were only used by `qbank_managecategories`, and these usages have been removed, so these classes (and thus all of listlib.php) are now deprecated. This method was the only usage of the `QUESTION_PAGE_LENGTH` constant, which was defined in `question_category_object.php`, and so is also now deprecated.
 
diff --git a/lib/editor/tiny/UPGRADING.md b/lib/editor/tiny/UPGRADING.md
index 7443a81d451..a4d2c175434 100644
--- a/lib/editor/tiny/UPGRADING.md
+++ b/lib/editor/tiny/UPGRADING.md
@@ -1,6 +1,6 @@
 # editor_tiny Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/lib/external/UPGRADING.md b/lib/external/UPGRADING.md
index 120e687bdec..addb0366fde 100644
--- a/lib/external/UPGRADING.md
+++ b/lib/external/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_external (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/lib/form/UPGRADING.md b/lib/form/UPGRADING.md
index 8f6622bba89..2c0f1c5942f 100644
--- a/lib/form/UPGRADING.md
+++ b/lib/form/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_form (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/lib/table/UPGRADING.md b/lib/table/UPGRADING.md
index 68ed975a545..83f232b8cbf 100644
--- a/lib/table/UPGRADING.md
+++ b/lib/table/UPGRADING.md
@@ -1,13 +1,12 @@
 # core_table (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
 - A new `$reponsive` property (defaulting to `true`) has been added to the `core_table\flexible_table` class.
   This property allows you to control whether the table is rendered as a responsive table.
 
-
   For more information see [MDL-80748](https://tracker.moodle.org/browse/MDL-80748)
 
 ### Changed
diff --git a/message/UPGRADING.md b/message/UPGRADING.md
index af19ef5d7a1..ed2066bc6c5 100644
--- a/message/UPGRADING.md
+++ b/message/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_message (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/mod/UPGRADING.md b/mod/UPGRADING.md
index 7c26c03562b..41a6f0f8859 100644
--- a/mod/UPGRADING.md
+++ b/mod/UPGRADING.md
@@ -1,6 +1,6 @@
 # mod (plugin type) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/mod/assign/UPGRADING.md b/mod/assign/UPGRADING.md
index fb0743c1cce..dbadbfb402a 100644
--- a/mod/assign/UPGRADING.md
+++ b/mod/assign/UPGRADING.md
@@ -1,6 +1,6 @@
 # mod_assign Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/mod/bigbluebuttonbn/UPGRADING.md b/mod/bigbluebuttonbn/UPGRADING.md
index fd0e04294e5..e08f26c08b9 100644
--- a/mod/bigbluebuttonbn/UPGRADING.md
+++ b/mod/bigbluebuttonbn/UPGRADING.md
@@ -1,6 +1,6 @@
 # mod_bigbluebuttonbn Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/mod/data/UPGRADING.md b/mod/data/UPGRADING.md
index d2b23dd52d6..9aaacc10667 100644
--- a/mod/data/UPGRADING.md
+++ b/mod/data/UPGRADING.md
@@ -1,6 +1,6 @@
 # mod_data Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/mod/feedback/UPGRADING.md b/mod/feedback/UPGRADING.md
index 9893524ad69..1e1aa05ea07 100644
--- a/mod/feedback/UPGRADING.md
+++ b/mod/feedback/UPGRADING.md
@@ -1,6 +1,6 @@
 # mod_feedback Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Deprecated
 
diff --git a/question/UPGRADING.md b/question/UPGRADING.md
index 174d842744e..89af4a688bb 100644
--- a/question/UPGRADING.md
+++ b/question/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_question (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/question/bank/managecategories/UPGRADING.md b/question/bank/managecategories/UPGRADING.md
index f5778c2d5bd..229c9c0e129 100644
--- a/question/bank/managecategories/UPGRADING.md
+++ b/question/bank/managecategories/UPGRADING.md
@@ -1,6 +1,6 @@
 # qbank_managecategories Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Changed
 
diff --git a/report/UPGRADING.md b/report/UPGRADING.md
index 593aab144ae..b3cb8db2d52 100644
--- a/report/UPGRADING.md
+++ b/report/UPGRADING.md
@@ -1,6 +1,6 @@
 # report (plugin type) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/report/eventlist/UPGRADING.md b/report/eventlist/UPGRADING.md
index eda01ca7b54..8849ae42a53 100644
--- a/report/eventlist/UPGRADING.md
+++ b/report/eventlist/UPGRADING.md
@@ -1,6 +1,6 @@
 # report_eventlist Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Deprecated
 
diff --git a/report/log/UPGRADING.md b/report/log/UPGRADING.md
index 0e67c82b5c5..5b551525b4a 100644
--- a/report/log/UPGRADING.md
+++ b/report/log/UPGRADING.md
@@ -1,6 +1,6 @@
 # report_log Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/reportbuilder/UPGRADING.md b/reportbuilder/UPGRADING.md
index 885aa133596..f1f7225f359 100644
--- a/reportbuilder/UPGRADING.md
+++ b/reportbuilder/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_reportbuilder (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/repository/onedrive/UPGRADING.md b/repository/onedrive/UPGRADING.md
index 085744518a8..75cddb4f834 100644
--- a/repository/onedrive/UPGRADING.md
+++ b/repository/onedrive/UPGRADING.md
@@ -1,6 +1,6 @@
 # repository_onedrive Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Removed
 
diff --git a/sms/UPGRADING.md b/sms/UPGRADING.md
index 7381eabf662..271dfb6956c 100644
--- a/sms/UPGRADING.md
+++ b/sms/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_sms (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/theme/UPGRADING.md b/theme/UPGRADING.md
index 19f87e19ac7..43b6ca14b4a 100644
--- a/theme/UPGRADING.md
+++ b/theme/UPGRADING.md
@@ -1,6 +1,6 @@
 # theme (plugin type) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/theme/boost/UPGRADING.md b/theme/boost/UPGRADING.md
index 0b3be6dccd4..0564defeb79 100644
--- a/theme/boost/UPGRADING.md
+++ b/theme/boost/UPGRADING.md
@@ -1,6 +1,6 @@
 # theme_boost Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
@@ -24,5 +24,4 @@
   You may need to override this class in your maintenance and secure layouts if both of the following are true:
   - Your theme plugin inherits from `theme_boost` and uses this CSS class - Your theme plugin applies a different styling for the page header for the maintenance and secure layouts.
 
-
   For more information see [MDL-83047](https://tracker.moodle.org/browse/MDL-83047)
diff --git a/user/UPGRADING.md b/user/UPGRADING.md
index b4d758e167b..af837f41f0b 100644
--- a/user/UPGRADING.md
+++ b/user/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_user (subsystem) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Added
 
diff --git a/webservice/UPGRADING.md b/webservice/UPGRADING.md
index c87a952f239..3e848735531 100644
--- a/webservice/UPGRADING.md
+++ b/webservice/UPGRADING.md
@@ -1,6 +1,6 @@
 # core_webservice (subsystem / plugintype) Upgrade notes
 
-## 4.5beta
+## 4.5rc1
 
 ### Deprecated