Changelog diff is:

diff --git a/Changes b/Changes
index bfeff0e..bc65daa 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension List-Flatten-XS

 {{$NEXT}}

+0.05 2018-01-21T09:17:41Z
+
+    - Added function to throw exception using croak instead of into infinity loop when passed circular reference
+
 0.04 2018-01-21T06:43:26Z

     - Supported to compile on thread perl