diff --git a/winsup/cygwin/release/3.4.7 b/winsup/cygwin/release/3.4.7
index 941519ebc..1186e57f5 100644
--- a/winsup/cygwin/release/3.4.7
+++ b/winsup/cygwin/release/3.4.7
@@ -12,3 +12,6 @@ Bug Fixes
 
 - Fix reading CONIN$ in non cygwin apps when stdin is not a pty.
   Addresses https://cygwin.com/pipermail/cygwin/2023-April/253424.html
+
+- Fix bug in cygheap allocation size computation after fork.  Addresses:
+  https://cygwin.com/pipermail/cygwin-developers/2023-April/012620.html