diff --git a/Doc/changelog.docu b/Doc/changelog.docu
index a3c9b1fa..4ea0a4aa 100644
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -6,7 +6,13 @@
 
 <!-- --------------------------------------------------------------------- -->
 
-<tr valign=top><td><b>9.1</b> (?/?/?)</td><td>
+<tr valign=top><td><b>10.0</b> (?/?/?)</td><td>
+
+<b>Breaking Changes</b>
+<ul>
+<li>OM Reader/Writer: Only rad and write custom properties if the Custom option is set (The default option contains this flag).</li>
+</ul>
+
 
 <b>Tools</b>
 <ul>