diff --git a/doc/release-notes/drscheme/HISTORY.txt b/doc/release-notes/drscheme/HISTORY.txt
index 128c46a0fd..d750f8e6f1 100644
--- a/doc/release-notes/drscheme/HISTORY.txt
+++ b/doc/release-notes/drscheme/HISTORY.txt
@@ -1,3 +1,14 @@
+------------------------------
+        Version 4.2.4
+------------------------------
+
+  . the 2htdp/image library changed:
+
+    - changed how equality works (it is now based on how the 
+      images draw, instead of on an underlying algebra
+      of images)
+    - added cropping and curves
+
 ------------------------------
         Version 4.2.3
 ------------------------------