--- a/CHANGELOG	Thu Jan 10 17:30:01 2019 +0100
+++ b/CHANGELOG	Wed Dec 26 14:52:07 2018 +0800
@@ -17,6 +17,7 @@
   * stack: introduce a --children flag (see help for details)
   * topic: make --age compatible with the usual other display for `hg topic`
   * stack: support for '#stack[idx]' absolute indexing in revset (4.9+ only)
+  * topic: support for '#topic[idx]' relative indexing in revset (4.9+ only)
 
 8.3.3 -- 2017-12-24
 -------------------