Changelog diff is:

diff --git a/Changes b/Changes
index db86f2d..e89f56a 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension Gazelle

 {{$NEXT}}

+0.42 2016-03-18T00:16:33Z
+
+ - logging errno and rv of writev
+
 0.41 2016-02-17T01:28:18Z

  - requires Parallel::Prefork 0.18