Changelog diff is:

diff --git a/Changes b/Changes
index 0d7e541..a026813 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,8 @@
 Revision history for Perl extension Test-APIcast

 {{$NEXT}}
+
+0.16 2018-07-25T15:11:19Z
    - Properly cleanup ENV back to uninitialized state.

 0.15 2018-07-18T10:09:07Z