--- a/docs/Writerside/topics/about.md	Tue Dec 30 13:50:55 2025 +0100
+++ b/docs/Writerside/topics/about.md	Tue Dec 30 21:44:23 2025 +0100
@@ -55,6 +55,7 @@
   cxSetDestructor() and cxSetdvancedDestructor()
 * changes the name of cxCollectionCompareFunc() to cxSetCompareFunc()
 * changes the entire low-level array-list API by making it much simpler
+* changes the tree API towards a more simple design
 * changes the members of CxJson and CxJsonValue
 * changes the return value of cxJsonObjIter() to CxMapIterator
 * changes CxTree structure so that it now inherits CX_COLLECTION_BASE
@@ -76,6 +77,7 @@
 * removes the ability to remove elements from the iterators created with cxIterator() and cxIteratorPtr()
 * removes several unnecessary convenience functions
 * removes the complicated wrapping of pointer lists
+* removes cxIteratorRef()
 
 ### Version 3.2 - 2025-11-30 {collapsible="true"}