diff --git a/winsup/cygwin/release/3.4.3 b/winsup/cygwin/release/3.4.3
index bd3e725e7..eb1d6c638 100644
--- a/winsup/cygwin/release/3.4.3
+++ b/winsup/cygwin/release/3.4.3
@@ -4,3 +4,6 @@ Bug Fixes
 - Fix path handling to make sure virtual drives are never treated
   as symlinks.
   Addresses: https://cygwin.com/pipermail/cygwin/2022-December/252665.html
+
+- Revert incorrect optimization of wmemset()
+  Addresses: https://cygwin.com/pipermail/cygwin/2022-December/252699.html