diff --git a/doc/release-notes/redex/HISTORY.txt b/doc/release-notes/redex/HISTORY.txt
index d9f871e872..a8b12407ff 100644
--- a/doc/release-notes/redex/HISTORY.txt
+++ b/doc/release-notes/redex/HISTORY.txt
@@ -1,3 +1,10 @@
+v4.1.5
+
+  - initial-char-width now accepts functions to give finer grained
+    control of the initial widths of the terms.
+
+ - traces & traces/ps: added the ability to specify a mixin
+   to be mixed into the graph pasteboard
 
 v4.1.4