diff --git a/winsup/cygwin/release/1.7.17 b/winsup/cygwin/release/1.7.17
index 885680035..9d295cb6a 100644
--- a/winsup/cygwin/release/1.7.17
+++ b/winsup/cygwin/release/1.7.17
@@ -1,3 +1,10 @@
+What's new:
+-----------
+
+- Support the "e" flag to fopen(3).  This is a Glibc extension which
+  allows to fopen the file with the O_CLOEXEC flag set.
+
+
 Bug fixes:
 ----------