--- a/docs/Writerside/writerside.cfg	Thu Dec 04 18:57:54 2025 +0100
+++ b/docs/Writerside/writerside.cfg	Fri Dec 05 16:11:39 2025 +0100
@@ -5,5 +5,5 @@
     <topics dir="topics" web-path="topics"/>
     <categories src="c.list"/>
     <images dir="images" web-path="images"/>
-    <instance src="ucx.tree" version="3.2"/>
+    <instance src="ucx.tree" version="4.0"/>
 </ihp>
\ No newline at end of file