diff --git a/CHANGES.current b/CHANGES.current
index 99b31d5c9..27351c834 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -7,6 +7,10 @@ the issue number to the end of the URL: https://github.com/swig/swig/issues/
 Version 4.0.1 (in progress)
 ===========================
 
+2019-07-16: geefr
+            [C#] #616 #1576 Fix C# bool INPUT[], bool OUTPUT[], bool INOUT[] typemaps to marshall
+            as 1-byte.
+
 2019-06-06: bkotzz
             [Java] #1552 Improve performance in Java std::vector constructor wrapper that takes
             a native Java array as input.