diff --git a/winsup/cygwin/release/2.5.1 b/winsup/cygwin/release/2.5.1
new file mode 100644
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+What's new:
+-----------
+
+
+What changed:
+-------------
+
+
+Bug Fixes
+---------
+
+- Fix strxfrm/wcsxfrm return value if output buffer is too small.  Fix
+  wcsxfrm return value either way.
+  Addresses: https://cygwin.com/ml/cygwin/2016-04/msg00232.html