diff --git a/winsup/cygwin/release/2.5.2 b/winsup/cygwin/release/2.5.2
index f1324f22a..64e08bae3 100644
--- a/winsup/cygwin/release/2.5.2
+++ b/winsup/cygwin/release/2.5.2
@@ -25,3 +25,6 @@ Bug Fixes
 
 - Fix a usage of INT_MAX (required limits.h) in math.h
   Addresses: Report on #cygwin-developers
+
+- Return at most one line of input in canonical mode and fix tcflush.
+  Addresses: https://cygwin.com/ml/cygwin/2016-05/msg00318.html