--- a/docs/changelog	Sat May 01 14:27:38 2021 +0200
+++ b/docs/changelog	Thu Jun 03 11:39:23 2021 +0200
@@ -1,5 +1,19 @@
 Change Log
 ----------
+Version 21.6:
+- bug fixes
+- Tasks
+  -- made the task properties dialog adapt to the task kind
+  -- added code to get typed manual tasks
+- UML Diagrams
+  -- extended the class items to show class attributes
+  -- added code to load a saved UML diagram via the file browser or
+     the project others browser
+  -- improved the diagram layout of the Import Diagram and the
+     Application Diagram
+  -- added code to save and load diagrams as JSON files
+  -- changed print code
+
 Version 21.5:
 - bug fixes
 - Code Style Checker