[TASK] Move breaking changes to UPGRADE.md files

README.md

@@ -149,7 +149,3 @@ if($language_uid > 0) {
         $this->row = tx_mvc_system_dbtools::getTYPO3RowOverlay($this->row, $table, $language_uid);
 }
 ```
-
-## Version 3 to 4 changes
-
-- Dropped TYPO3 8 Support

UPGRADE.md

@@ -5,3 +5,7 @@
 - Install Tool: Apply all changed fields.
 - Upgrade Wizard: Execute the "VisibilitySettingsMigrationWizard"-Wizard.
 - Remove all old fields.
+
+# Version 4 Breaking Changes
+
+- Dropped TYPO3 8 Support